Massive stars exploding in a He‐rich circumstellar medium – I. Type Ibn (SN 2006jc‐like) events
Identifieur interne : 008782 ( Main/Exploration ); précédent : 008781; suivant : 008783Massive stars exploding in a He‐rich circumstellar medium – I. Type Ibn (SN 2006jc‐like) events
Auteurs : A. Pastorello [Royaume-Uni] ; S. Mattila [Finlande] ; L. Zampieri [Italie] ; M. Della Valle [Italie, Allemagne] ; S. J. Smartt ; S. Valenti [Allemagne, Italie] ; I. Agnoletto [Italie] ; S. Benetti [Italie] ; C. R. Benn [Espagne] ; D. Branch [États-Unis] ; E. Cappellaro [Italie] ; M. Dennefeld [France] ; J. J. Eldridge [Royaume-Uni] ; A. Gal-Yam [Israël] ; A. Harutyunyan [Italie] ; I. Hunter [Espagne] ; H. Kjeldsen [Danemark] ; Y. Lipkin [Israël] ; P. A. Mazzali [Italie, Allemagne] ; P. Milne [États-Unis] ; H. Navasardyan [Italie] ; E. O. Ofek [États-Unis] ; E. Pian [Italie] ; O. Shemmer [États-Unis] ; S. Spiro [Italie] ; R. A. Stathakis [Australie] ; S. Taubenberger [Allemagne] ; M. Turatto [Italie] ; H. Yamaoka [Japon]Source :
- Monthly Notices of the Royal Astronomical Society [ 0035-8711 ] ; 2008-09-01.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Classification.
English descriptors
- KwdEn :
- Absolute light curve, Absolute magnitude, Alternative scenario, April, Astron, Astrophysics research centre, Basic information, Benetti, Binary, Binary systems, Blackbody bolometric luminosity, Blackbody luminosities, Bolometric, Bolometric curve, Bolometric light curve, Bolometric modelling, Bottom panel, California institute, Cappellaro, Circ, Circumstellar, Circumstellar medium, Classification, Collapse, Control time, Copernico telescope, Davidson humphreys, December, Della valle, Deprojected distance, Detection limits, Early spectra, Early times, Efosc2, Ejecta, Eldridge, Eldridge vink, Emission lines, Energy output, Explosion energy, Exposure time, February, Fesen, Filippenko, Foley, Fwhm, Galaxy, Galaxy type, Green line, Heger, High explosion energy, High redshift, Host galaxies, Host galaxy, Humphreys, Immler, Inaf osservatorio astronomico, January, Journal compilation, Koenigsberger, Late phases, Lbvs, Light curve, Light curves, Lines show, Liverpool telescope, Lled circles, Local group infall, Luminosity, Luminosity evolution, Luminous blue variable star, Luminous outburst, Luminous outbursts, Luminous peak, Luminous type, Major outburst, Mass loss, Massive ejecta, Massive star, Massive stars, Matheson, Mattila, Maximum light, Minor role, Mnras, Modelling, Modjaz, More detail, More details, Negligible extinction, November, Optical bands, Outburst, Oxygen abundance, Parent galaxies, Pasp, Pastorello, Peculiar type, Phase calibration, Photometric, Photometric data, Physical parameters, Port imager, Precursor, Precursor star, Progenitor, Progenitor stars, Ratcam, Recession velocities, Recombination, Reddening, Representative sample, Rest wavelength, Rough estimate, Scenario, Setia gunawan, Show evidence, Similar events, Similar phases, Sollerman, Spectral features, Spectral properties, Spectroscopic, Spectroscopic evolution, Spectrum, Spiral galaxies, Stellar mass, Steward observatory, Supernova, Supernovae, Supernovae explosion, Total luminosity, Total reddening, Tremonti, Tting procedures, Turatto, Unequivocal evidence, Unpublished spectra, Upper limit, Uvoir curve, Uvoir light curve, Vaucouleurs corwin, Vink, Virgo cluster, Wolf-Rayet stars, Woosley.
- Teeft :
- Absolute light curve, Absolute magnitude, Alternative scenario, April, Astron, Astrophysics research centre, Basic information, Benetti, Binary, Binary systems, Blackbody bolometric luminosity, Blackbody luminosities, Bolometric, Bolometric curve, Bolometric light curve, Bolometric modelling, Bottom panel, California institute, Cappellaro, Circ, Circumstellar, Circumstellar medium, Control time, Copernico telescope, Davidson humphreys, December, Della valle, Deprojected distance, Detection limits, Early spectra, Early times, Efosc2, Ejecta, Eldridge, Eldridge vink, Emission lines, Energy output, Explosion energy, Exposure time, February, Fesen, Filippenko, Foley, Fwhm, Galaxy, Galaxy type, Green line, Heger, High explosion energy, High redshift, Host galaxies, Host galaxy, Humphreys, Immler, Inaf osservatorio astronomico, January, Journal compilation, Koenigsberger, Late phases, Lbvs, Light curve, Light curves, Lines show, Liverpool telescope, Lled circles, Local group infall, Luminosity, Luminosity evolution, Luminous outburst, Luminous outbursts, Luminous peak, Luminous type, Major outburst, Massive ejecta, Massive star, Massive stars, Matheson, Mattila, Maximum light, Minor role, Mnras, Modelling, Modjaz, More detail, More details, Negligible extinction, November, Optical bands, Outburst, Oxygen abundance, Parent galaxies, Pasp, Pastorello, Peculiar type, Phase calibration, Photometric, Photometric data, Physical parameters, Port imager, Precursor, Precursor star, Progenitor, Progenitor stars, Ratcam, Recession velocities, Recombination, Reddening, Representative sample, Rest wavelength, Rough estimate, Scenario, Setia gunawan, Show evidence, Similar events, Similar phases, Sollerman, Spectral features, Spectral properties, Spectroscopic, Spectroscopic evolution, Spectrum, Spiral galaxies, Steward observatory, Supernova, Total luminosity, Total reddening, Tremonti, Tting procedures, Turatto, Unequivocal evidence, Unpublished spectra, Upper limit, Uvoir curve, Uvoir light curve, Vaucouleurs corwin, Vink, Virgo cluster, Woosley.
Abstract
We present new spectroscopic and photometric data of the Type Ibn supernovae 2006jc, 2000er and 2002ao. We discuss the general properties of this recently proposed supernova family, which also includes SN 1999cq. The early‐time monitoring of SN 2000er traces the evolution of this class of objects during the first few days after the shock breakout. An overall similarity in the photometric and spectroscopic evolution is found among the members of this group, which would be unexpected if the energy in these core‐collapse events was dominated by the interaction between supernova ejecta and circumstellar medium. Type Ibn supernovae appear to be rather normal Type Ib/c supernova explosions which occur within a He‐rich circumstellar environment. SNe Ibn are therefore likely produced by the explosion of Wolf–Rayet progenitors still embedded in the He‐rich material lost by the star in recent mass‐loss episodes, which resemble known luminous blue variable eruptions. The evolved Wolf–Rayet star could either result from the evolution of a very massive star or be the more evolved member of a massive binary system. We also suggest that there are a number of arguments in favour of a Type Ibn classification for the historical SN 1885A (S‐Andromedae), previously considered as an anomalous Type Ia event with some resemblance to SN 1991bg.
Url:
- https://api.istex.fr/document/32D6D4614763706CEA0386EF51F1A0F32B1F5E6B/fulltext/pdf
- https://api.istex.fr/document/032C4633EC38E8B0C24611012A1D979F559D0C0B/fulltext/pdf
DOI: 10.1111/j.1365-2966.2008.13602.x
Affiliations:
- Allemagne, Australie, Danemark, Espagne, Finlande, France, Israël, Italie, Japon, Royaume-Uni, États-Unis
- Angleterre, Angleterre de l'Est, Arizona, Californie, Finlande occidentale, Kyūshū, Oklahoma, Pennsylvanie, Préfecture de Fukuoka, Vénétie, Île-de-France
- Cambridge, Fukuoka, Padoue, Paris, Turku, University Park (Pennsylvanie)
- Université d'État de Pennsylvanie, Université de Cambridge, Université de Kyūshū, Université de Padoue, Université de Turku
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Le document en format XML
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Smartt</name><affiliation><wicri:noCountry code="subField">1NN</wicri:noCountry></affiliation></author><author><name sortKey="Valenti, S" sort="Valenti, S" uniqKey="Valenti S" first="S." last="Valenti">S. Valenti</name><affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country><wicri:regionArea>European Southern Observatory (ESO), Karl‐Schwarzschild‐Str. 2, D‐85748 Garching bei München</wicri:regionArea><wicri:noRegion>85748 Garching bei München</wicri:noRegion><wicri:noRegion>D‐85748 Garching bei München</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Fisica, Università di Ferrara, via Saragat 1, I‐44100 Ferrara</wicri:regionArea><wicri:noRegion>I‐44100 Ferrara</wicri:noRegion></affiliation></author><author><name sortKey="Agnoletto, I" sort="Agnoletto, I" uniqKey="Agnoletto I" first="I." last="Agnoletto">I. Agnoletto</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, I‐35122 Padova</wicri:regionArea><orgName type="university">Université de Padoue</orgName><placeName><settlement type="city">Padoue</settlement><region type="region" nuts="2">Vénétie</region></placeName></affiliation></author><author><name sortKey="Benetti, S" sort="Benetti, S" uniqKey="Benetti S" first="S." last="Benetti">S. Benetti</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation></author><author><name sortKey="Benn, C R" sort="Benn, C R" uniqKey="Benn C" first="C. R." last="Benn">C. R. Benn</name><affiliation wicri:level="1"><country xml:lang="fr">Espagne</country><wicri:regionArea>Isaac Newton Group of Telescopes, Apartado 321, E‐38700 Santa Cruz de La Palma</wicri:regionArea><wicri:noRegion>E‐38700 Santa Cruz de La Palma</wicri:noRegion></affiliation></author><author><name sortKey="Branch, D" sort="Branch, D" uniqKey="Branch D" first="D." last="Branch">D. Branch</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK 73019‐2061</wicri:regionArea><placeName><region type="state">Oklahoma</region></placeName></affiliation></author><author><name sortKey="Cappellaro, E" sort="Cappellaro, E" uniqKey="Cappellaro E" first="E." last="Cappellaro">E. Cappellaro</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation></author><author><name sortKey="Dennefeld, M" sort="Dennefeld, M" uniqKey="Dennefeld M" first="M." last="Dennefeld">M. Dennefeld</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Institut d'Astrophysique de Paris, CNRS, and Université P. et M. Curie, 98bis Bd Arago, F‐75014 Paris</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName></affiliation></author><author><name sortKey="Eldridge, J J" sort="Eldridge, J J" uniqKey="Eldridge J" first="J. J." last="Eldridge">J. J. Eldridge</name><affiliation></affiliation><affiliation wicri:level="4"><orgName type="university">Université de Cambridge</orgName><country>Royaume-Uni</country><placeName><settlement type="city">Cambridge</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Angleterre de l'Est</region></placeName></affiliation></author><author><name sortKey="Gal Am, A" sort="Gal Am, A" uniqKey="Gal Am A" first="A." last="Gal-Yam">A. Gal-Yam</name><affiliation wicri:level="1"><country xml:lang="fr">Israël</country><wicri:regionArea>Benoziyo Centre for Astrophysics, Weizmann Institute of Science, 76100 Rehovot</wicri:regionArea><wicri:noRegion>76100 Rehovot</wicri:noRegion></affiliation></author><author><name sortKey="Harutyunyan, A" sort="Harutyunyan, A" uniqKey="Harutyunyan A" first="A." last="Harutyunyan">A. Harutyunyan</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Astronomia, Università di Padova, Vicolo dell'Osservatorio 2, I‐35122 Padova</wicri:regionArea><orgName type="university">Université de Padoue</orgName><placeName><settlement type="city">Padoue</settlement><region type="region" nuts="2">Vénétie</region></placeName></affiliation></author><author><name sortKey="Hunter, I" sort="Hunter, I" uniqKey="Hunter I" first="I." last="Hunter">I. Hunter</name><affiliation></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Espagne</country><wicri:regionArea>Isaac Newton Group of Telescopes, Apartado 321, E‐38700 Santa Cruz de La Palma</wicri:regionArea><wicri:noRegion>E‐38700 Santa Cruz de La Palma</wicri:noRegion></affiliation></author><author><name sortKey="Kjeldsen, H" sort="Kjeldsen, H" uniqKey="Kjeldsen H" first="H." last="Kjeldsen">H. Kjeldsen</name><affiliation wicri:level="1"><country xml:lang="fr">Danemark</country><wicri:regionArea>Danish Asteroseismology Centre, Institut for Fysik og Astronomi, Aarhus Universitet, Ny Munkegade, Bygn. 1520, 8000 Aarhus C.</wicri:regionArea><wicri:noRegion>8000 Aarhus C.</wicri:noRegion></affiliation></author><author><name sortKey="Lipkin, Y" sort="Lipkin, Y" uniqKey="Lipkin Y" first="Y." last="Lipkin">Y. Lipkin</name><affiliation wicri:level="1"><country xml:lang="fr">Israël</country><wicri:regionArea>School of Physics and Astronomy and Wise Observatory, Tel Aviv University, 69978 Tel Aviv</wicri:regionArea><wicri:noRegion>69978 Tel Aviv</wicri:noRegion></affiliation></author><author><name sortKey="Mazzali, P A" sort="Mazzali, P A" uniqKey="Mazzali P" first="P. A." last="Mazzali">P. A. Mazzali</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Trieste, Via Tiepolo 11, I‐34131 Trieste</wicri:regionArea><wicri:noRegion>I‐34131 Trieste</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Max‐Planck‐Institut für Astrophysik, Karl‐Schwarzschild‐Str. 1, D‐85741 Garching bei München</wicri:regionArea><wicri:noRegion>85741 Garching bei München</wicri:noRegion><wicri:noRegion>D‐85741 Garching bei München</wicri:noRegion></affiliation></author><author><name sortKey="Milne, P" sort="Milne, P" uniqKey="Milne P" first="P." last="Milne">P. Milne</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Astronomy and Steward Observatory, University of Arizona, Tucson, AZ 85721</wicri:regionArea><placeName><region type="state">Arizona</region></placeName></affiliation></author><author><name sortKey="Navasardyan, H" sort="Navasardyan, H" uniqKey="Navasardyan H" first="H." last="Navasardyan">H. Navasardyan</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation></author><author><name sortKey="Ofek, E O" sort="Ofek, E O" uniqKey="Ofek E" first="E. O." last="Ofek">E. O. Ofek</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Pian, E" sort="Pian, E" uniqKey="Pian E" first="E." last="Pian">E. Pian</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Trieste, Via Tiepolo 11, I‐34131 Trieste</wicri:regionArea><wicri:noRegion>I‐34131 Trieste</wicri:noRegion></affiliation></author><author><name sortKey="Shemmer, O" sort="Shemmer, O" uniqKey="Shemmer O" first="O." last="Shemmer">O. Shemmer</name><affiliation wicri:level="4"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Astronomy and Astrophysics, 525 Davey Laboratory, Pennsylvania State University, University Park, PA 16802</wicri:regionArea><placeName><region type="state">Pennsylvanie</region><settlement type="city">University Park (Pennsylvanie)</settlement></placeName><orgName type="university">Université d'État de Pennsylvanie</orgName></affiliation></author><author><name sortKey="Spiro, S" sort="Spiro, S" uniqKey="Spiro S" first="S." last="Spiro">S. Spiro</name><affiliation></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation></author><author><name sortKey="Stathakis, R A" sort="Stathakis, R A" uniqKey="Stathakis R" first="R. A." last="Stathakis">R. A. Stathakis</name><affiliation wicri:level="1"><country xml:lang="fr">Australie</country><wicri:regionArea>Anglo‐Australian Observatory, PO Box 296, Epping, NSW 1710</wicri:regionArea><wicri:noRegion>NSW 1710</wicri:noRegion></affiliation></author><author><name sortKey="Taubenberger, S" sort="Taubenberger, S" uniqKey="Taubenberger S" first="S." last="Taubenberger">S. Taubenberger</name><affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Max‐Planck‐Institut für Astrophysik, Karl‐Schwarzschild‐Str. 1, D‐85741 Garching bei München</wicri:regionArea><wicri:noRegion>85741 Garching bei München</wicri:noRegion><wicri:noRegion>D‐85741 Garching bei München</wicri:noRegion></affiliation></author><author><name sortKey="Turatto, M" sort="Turatto, M" uniqKey="Turatto M" first="M." last="Turatto">M. Turatto</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INAF Osservatorio Astronomico di Padova, Vicolo dell' Osservatorio 5, I‐35122 Padova</wicri:regionArea><wicri:noRegion>I‐35122 Padova</wicri:noRegion></affiliation></author><author><name sortKey="Yamaoka, H" sort="Yamaoka, H" uniqKey="Yamaoka H" first="H." last="Yamaoka">H. Yamaoka</name><affiliation wicri:level="4"><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Physics, Kyushu University, Fukuoka 810‐8560</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Monthly Notices of the Royal Astronomical Society</title><title level="j" type="alt">MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY</title><idno type="ISSN">0035-8711</idno><idno type="eISSN">1365-2966</idno><imprint><biblScope unit="vol">389</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="113">113</biblScope><biblScope unit="page" to="130">130</biblScope><biblScope unit="page-count">18</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2008-09-01">2008-09-01</date></imprint><idno type="ISSN">0035-8711</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0035-8711</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absolute light curve</term><term>Absolute magnitude</term><term>Alternative scenario</term><term>April</term><term>Astron</term><term>Astrophysics research centre</term><term>Basic information</term><term>Benetti</term><term>Binary</term><term>Binary systems</term><term>Blackbody bolometric luminosity</term><term>Blackbody luminosities</term><term>Bolometric</term><term>Bolometric curve</term><term>Bolometric light curve</term><term>Bolometric modelling</term><term>Bottom panel</term><term>California institute</term><term>Cappellaro</term><term>Circ</term><term>Circumstellar</term><term>Circumstellar medium</term><term>Classification</term><term>Collapse</term><term>Control time</term><term>Copernico telescope</term><term>Davidson humphreys</term><term>December</term><term>Della valle</term><term>Deprojected distance</term><term>Detection limits</term><term>Early spectra</term><term>Early times</term><term>Efosc2</term><term>Ejecta</term><term>Eldridge</term><term>Eldridge vink</term><term>Emission lines</term><term>Energy output</term><term>Explosion energy</term><term>Exposure time</term><term>February</term><term>Fesen</term><term>Filippenko</term><term>Foley</term><term>Fwhm</term><term>Galaxy</term><term>Galaxy type</term><term>Green line</term><term>Heger</term><term>High explosion energy</term><term>High redshift</term><term>Host galaxies</term><term>Host galaxy</term><term>Humphreys</term><term>Immler</term><term>Inaf osservatorio astronomico</term><term>January</term><term>Journal compilation</term><term>Koenigsberger</term><term>Late phases</term><term>Lbvs</term><term>Light curve</term><term>Light curves</term><term>Lines show</term><term>Liverpool telescope</term><term>Lled circles</term><term>Local group infall</term><term>Luminosity</term><term>Luminosity evolution</term><term>Luminous blue variable star</term><term>Luminous outburst</term><term>Luminous outbursts</term><term>Luminous peak</term><term>Luminous type</term><term>Major outburst</term><term>Mass loss</term><term>Massive ejecta</term><term>Massive star</term><term>Massive stars</term><term>Matheson</term><term>Mattila</term><term>Maximum light</term><term>Minor role</term><term>Mnras</term><term>Modelling</term><term>Modjaz</term><term>More detail</term><term>More details</term><term>Negligible extinction</term><term>November</term><term>Optical bands</term><term>Outburst</term><term>Oxygen abundance</term><term>Parent galaxies</term><term>Pasp</term><term>Pastorello</term><term>Peculiar type</term><term>Phase calibration</term><term>Photometric</term><term>Photometric data</term><term>Physical parameters</term><term>Port imager</term><term>Precursor</term><term>Precursor star</term><term>Progenitor</term><term>Progenitor stars</term><term>Ratcam</term><term>Recession velocities</term><term>Recombination</term><term>Reddening</term><term>Representative sample</term><term>Rest wavelength</term><term>Rough estimate</term><term>Scenario</term><term>Setia gunawan</term><term>Show evidence</term><term>Similar events</term><term>Similar phases</term><term>Sollerman</term><term>Spectral features</term><term>Spectral properties</term><term>Spectroscopic</term><term>Spectroscopic evolution</term><term>Spectrum</term><term>Spiral galaxies</term><term>Stellar mass</term><term>Steward observatory</term><term>Supernova</term><term>Supernovae</term><term>Supernovae explosion</term><term>Total luminosity</term><term>Total reddening</term><term>Tremonti</term><term>Tting procedures</term><term>Turatto</term><term>Unequivocal evidence</term><term>Unpublished spectra</term><term>Upper limit</term><term>Uvoir curve</term><term>Uvoir light curve</term><term>Vaucouleurs corwin</term><term>Vink</term><term>Virgo cluster</term><term>Wolf-Rayet stars</term><term>Woosley</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Classification</term><term>Effondrement</term><term>Etoile massive</term><term>Etoile type Wolf Rayet</term><term>Etoile variable bleue lumineuse</term><term>Explosion supernova</term><term>Masse stellaire</term><term>Perte masse</term><term>Supernova</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Absolute light curve</term><term>Absolute magnitude</term><term>Alternative scenario</term><term>April</term><term>Astron</term><term>Astrophysics research centre</term><term>Basic information</term><term>Benetti</term><term>Binary</term><term>Binary systems</term><term>Blackbody bolometric luminosity</term><term>Blackbody luminosities</term><term>Bolometric</term><term>Bolometric curve</term><term>Bolometric light curve</term><term>Bolometric modelling</term><term>Bottom panel</term><term>California institute</term><term>Cappellaro</term><term>Circ</term><term>Circumstellar</term><term>Circumstellar medium</term><term>Control time</term><term>Copernico telescope</term><term>Davidson humphreys</term><term>December</term><term>Della valle</term><term>Deprojected distance</term><term>Detection limits</term><term>Early spectra</term><term>Early times</term><term>Efosc2</term><term>Ejecta</term><term>Eldridge</term><term>Eldridge vink</term><term>Emission lines</term><term>Energy output</term><term>Explosion energy</term><term>Exposure time</term><term>February</term><term>Fesen</term><term>Filippenko</term><term>Foley</term><term>Fwhm</term><term>Galaxy</term><term>Galaxy type</term><term>Green line</term><term>Heger</term><term>High explosion energy</term><term>High redshift</term><term>Host galaxies</term><term>Host galaxy</term><term>Humphreys</term><term>Immler</term><term>Inaf osservatorio astronomico</term><term>January</term><term>Journal compilation</term><term>Koenigsberger</term><term>Late phases</term><term>Lbvs</term><term>Light curve</term><term>Light curves</term><term>Lines show</term><term>Liverpool telescope</term><term>Lled circles</term><term>Local group infall</term><term>Luminosity</term><term>Luminosity evolution</term><term>Luminous outburst</term><term>Luminous outbursts</term><term>Luminous peak</term><term>Luminous type</term><term>Major outburst</term><term>Massive ejecta</term><term>Massive star</term><term>Massive stars</term><term>Matheson</term><term>Mattila</term><term>Maximum light</term><term>Minor role</term><term>Mnras</term><term>Modelling</term><term>Modjaz</term><term>More detail</term><term>More details</term><term>Negligible extinction</term><term>November</term><term>Optical bands</term><term>Outburst</term><term>Oxygen abundance</term><term>Parent galaxies</term><term>Pasp</term><term>Pastorello</term><term>Peculiar type</term><term>Phase calibration</term><term>Photometric</term><term>Photometric data</term><term>Physical parameters</term><term>Port imager</term><term>Precursor</term><term>Precursor star</term><term>Progenitor</term><term>Progenitor stars</term><term>Ratcam</term><term>Recession velocities</term><term>Recombination</term><term>Reddening</term><term>Representative sample</term><term>Rest wavelength</term><term>Rough estimate</term><term>Scenario</term><term>Setia gunawan</term><term>Show evidence</term><term>Similar events</term><term>Similar phases</term><term>Sollerman</term><term>Spectral features</term><term>Spectral properties</term><term>Spectroscopic</term><term>Spectroscopic evolution</term><term>Spectrum</term><term>Spiral galaxies</term><term>Steward observatory</term><term>Supernova</term><term>Total luminosity</term><term>Total reddening</term><term>Tremonti</term><term>Tting procedures</term><term>Turatto</term><term>Unequivocal evidence</term><term>Unpublished spectra</term><term>Upper limit</term><term>Uvoir curve</term><term>Uvoir light curve</term><term>Vaucouleurs corwin</term><term>Vink</term><term>Virgo cluster</term><term>Woosley</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Classification</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present new spectroscopic and photometric data of the Type Ibn supernovae 2006jc, 2000er and 2002ao. We discuss the general properties of this recently proposed supernova family, which also includes SN 1999cq. The early‐time monitoring of SN 2000er traces the evolution of this class of objects during the first few days after the shock breakout. An overall similarity in the photometric and spectroscopic evolution is found among the members of this group, which would be unexpected if the energy in these core‐collapse events was dominated by the interaction between supernova ejecta and circumstellar medium. Type Ibn supernovae appear to be rather normal Type Ib/c supernova explosions which occur within a He‐rich circumstellar environment. SNe Ibn are therefore likely produced by the explosion of Wolf–Rayet progenitors still embedded in the He‐rich material lost by the star in recent mass‐loss episodes, which resemble known luminous blue variable eruptions. The evolved Wolf–Rayet star could either result from the evolution of a very massive star or be the more evolved member of a massive binary system. We also suggest that there are a number of arguments in favour of a Type Ibn classification for the historical SN 1885A (S‐Andromedae), previously considered as an anomalous Type Ia event with some resemblance to SN 1991bg.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Australie</li><li>Danemark</li><li>Espagne</li><li>Finlande</li><li>France</li><li>Israël</li><li>Italie</li><li>Japon</li><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Angleterre</li><li>Angleterre de l'Est</li><li>Arizona</li><li>Californie</li><li>Finlande occidentale</li><li>Kyūshū</li><li>Oklahoma</li><li>Pennsylvanie</li><li>Préfecture de Fukuoka</li><li>Vénétie</li><li>Île-de-France</li></region><settlement><li>Cambridge</li><li>Fukuoka</li><li>Padoue</li><li>Paris</li><li>Turku</li><li>University Park (Pennsylvanie)</li></settlement><orgName><li>Université d'État de Pennsylvanie</li><li>Université de Cambridge</li><li>Université de Kyūshū</li><li>Université de Padoue</li><li>Université de Turku</li></orgName></list><tree><noCountry><name sortKey="Smartt, S J" sort="Smartt, S J" uniqKey="Smartt S" first="S. J." last="Smartt">S. J. Smartt</name></noCountry><country name="Royaume-Uni"><noRegion><name sortKey="Pastorello, A" sort="Pastorello, A" uniqKey="Pastorello A" first="A." last="Pastorello">A. Pastorello</name></noRegion><name sortKey="Eldridge, J J" sort="Eldridge, J J" uniqKey="Eldridge J" first="J. J." last="Eldridge">J. J. Eldridge</name></country><country name="Finlande"><region name="Finlande occidentale"><name sortKey="Mattila, S" sort="Mattila, S" uniqKey="Mattila S" first="S." last="Mattila">S. Mattila</name></region></country><country name="Italie"><noRegion><name sortKey="Zampieri, L" sort="Zampieri, L" uniqKey="Zampieri L" first="L." last="Zampieri">L. Zampieri</name></noRegion><name sortKey="Agnoletto, I" sort="Agnoletto, I" uniqKey="Agnoletto I" first="I." last="Agnoletto">I. Agnoletto</name><name sortKey="Agnoletto, I" sort="Agnoletto, I" uniqKey="Agnoletto I" first="I." last="Agnoletto">I. Agnoletto</name><name sortKey="Benetti, S" sort="Benetti, S" uniqKey="Benetti S" first="S." last="Benetti">S. Benetti</name><name sortKey="Cappellaro, E" sort="Cappellaro, E" uniqKey="Cappellaro E" first="E." last="Cappellaro">E. Cappellaro</name><name sortKey="Della Valle, M" sort="Della Valle, M" uniqKey="Della Valle M" first="M." last="Della Valle">M. Della Valle</name><name sortKey="Della Valle, M" sort="Della Valle, M" uniqKey="Della Valle M" first="M." last="Della Valle">M. Della Valle</name><name sortKey="Harutyunyan, A" sort="Harutyunyan, A" uniqKey="Harutyunyan A" first="A." last="Harutyunyan">A. Harutyunyan</name><name sortKey="Harutyunyan, A" sort="Harutyunyan, A" uniqKey="Harutyunyan A" first="A." last="Harutyunyan">A. Harutyunyan</name><name sortKey="Mazzali, P A" sort="Mazzali, P A" uniqKey="Mazzali P" first="P. A." last="Mazzali">P. A. Mazzali</name><name sortKey="Navasardyan, H" sort="Navasardyan, H" uniqKey="Navasardyan H" first="H." last="Navasardyan">H. Navasardyan</name><name sortKey="Pian, E" sort="Pian, E" uniqKey="Pian E" first="E." last="Pian">E. Pian</name><name sortKey="Spiro, S" sort="Spiro, S" uniqKey="Spiro S" first="S." last="Spiro">S. Spiro</name><name sortKey="Turatto, M" sort="Turatto, M" uniqKey="Turatto M" first="M." last="Turatto">M. Turatto</name><name sortKey="Valenti, S" sort="Valenti, S" uniqKey="Valenti S" first="S." last="Valenti">S. Valenti</name></country><country name="Allemagne"><noRegion><name sortKey="Della Valle, M" sort="Della Valle, M" uniqKey="Della Valle M" first="M." last="Della Valle">M. Della Valle</name></noRegion><name sortKey="Mazzali, P A" sort="Mazzali, P A" uniqKey="Mazzali P" first="P. A." last="Mazzali">P. A. Mazzali</name><name sortKey="Taubenberger, S" sort="Taubenberger, S" uniqKey="Taubenberger S" first="S." last="Taubenberger">S. Taubenberger</name><name sortKey="Valenti, S" sort="Valenti, S" uniqKey="Valenti S" first="S." last="Valenti">S. Valenti</name></country><country name="Espagne"><noRegion><name sortKey="Benn, C R" sort="Benn, C R" uniqKey="Benn C" first="C. R." last="Benn">C. R. Benn</name></noRegion><name sortKey="Hunter, I" sort="Hunter, I" uniqKey="Hunter I" first="I." last="Hunter">I. Hunter</name></country><country name="États-Unis"><region name="Oklahoma"><name sortKey="Branch, D" sort="Branch, D" uniqKey="Branch D" first="D." last="Branch">D. Branch</name></region><name sortKey="Milne, P" sort="Milne, P" uniqKey="Milne P" first="P." last="Milne">P. Milne</name><name sortKey="Ofek, E O" sort="Ofek, E O" uniqKey="Ofek E" first="E. O." last="Ofek">E. O. Ofek</name><name sortKey="Shemmer, O" sort="Shemmer, O" uniqKey="Shemmer O" first="O." last="Shemmer">O. Shemmer</name></country><country name="France"><region name="Île-de-France"><name sortKey="Dennefeld, M" sort="Dennefeld, M" uniqKey="Dennefeld M" first="M." last="Dennefeld">M. Dennefeld</name></region></country><country name="Israël"><noRegion><name sortKey="Gal Am, A" sort="Gal Am, A" uniqKey="Gal Am A" first="A." last="Gal-Yam">A. Gal-Yam</name></noRegion><name sortKey="Lipkin, Y" sort="Lipkin, Y" uniqKey="Lipkin Y" first="Y." last="Lipkin">Y. Lipkin</name></country><country name="Danemark"><noRegion><name sortKey="Kjeldsen, H" sort="Kjeldsen, H" uniqKey="Kjeldsen H" first="H." last="Kjeldsen">H. Kjeldsen</name></noRegion></country><country name="Australie"><noRegion><name sortKey="Stathakis, R A" sort="Stathakis, R A" uniqKey="Stathakis R" first="R. A." last="Stathakis">R. A. Stathakis</name></noRegion></country><country name="Japon"><region name="Kyūshū"><name sortKey="Yamaoka, H" sort="Yamaoka, H" uniqKey="Yamaoka H" first="H." last="Yamaoka">H. Yamaoka</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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