AustralieFrV1, Main, Exploration, bibRecord, 00A339

A new population of extended, luminous star clusters in the halo of M31

Identifieur interne : 00A339 ( Main/Exploration ); précédent : 00A338; suivant : 00A340

A new population of extended, luminous star clusters in the halo of M31

Auteurs : A. P. Huxor [Royaume-Uni] ; N. R. Tanvir ; M. J. Irwin ; R. Ibata [France] ; J. L. Collett ; A. M. N. Ferguson [Royaume-Uni] ; T. Bridges [Canada] ; G. F. Lewis [Australie]

Source :

Monthly Notices of the Royal Astronomical Society [ 0035-8711 ] ; 2005-07.

RBID : ISTEX:0C870C03071CCE64168D3CD2DAA11377352927EE

Descripteurs français

Pascal (Inist)
- Amas galaxies, Amas globulaire, Amas stellaire, Couleur, Diagramme magnitude couleur, Galaxies, Luminosité, Voie lactée.

English descriptors

KwdEn :
- Absolute magnitude, Aperture photometry, Arcsec, Bekki chiba, Bergh, Bergh mackey, Bright stars, Brodie larsen, Cluster, Color, Color-magnitude diagrams, Dsphs, Dwarf, Dwarf galaxy, Dwarf spheroidals, Galaxies, Galaxy, Galaxy clusters, Giant galaxy, Globular clusters, Halo, Hilker infante, Host galaxies, Intermediate forms, Iraf implementation, Irwin, Irwin hatzidimitriou, Irwin lewis, Isaac newton telescope, Large number, Large radii, Larsen, Lenticular galaxies, Lled points, Luminosity, Luminous star clusters, Milky Way, Mnras, Parameter space, Photometry, Progenitor dwarf, Star cluster, Star clusters, Such clusters, Super star clusters, Tidal radii, galaxies: individual: M31, galaxies: star clusters.
Teeft :
- Absolute magnitude, Aperture photometry, Arcsec, Bekki chiba, Bergh, Bergh mackey, Bright stars, Brodie larsen, Cluster, Dsphs, Dwarf, Dwarf galaxy, Dwarf spheroidals, Galaxy, Giant galaxy, Globular clusters, Halo, Hilker infante, Host galaxies, Intermediate forms, Iraf implementation, Irwin, Irwin hatzidimitriou, Irwin lewis, Isaac newton telescope, Large number, Large radii, Larsen, Lenticular galaxies, Lled points, Luminosity, Luminous star clusters, Mnras, Parameter space, Photometry, Progenitor dwarf, Star cluster, Star clusters, Such clusters, Super star clusters, Tidal radii.

Abstract

We present three new clusters discovered in the halo of M31 which, although having globular‐like colours and luminosities, have unusually large half‐light radii, ∼30 pc. They lie at projected galactocentric distances of ≈15 to ≈35 kpc. These objects begin to fill the gap in parameter space between globular clusters and dwarf spheroidals, and are unlike any clusters found in the Milky Way, or elsewhere to date. Colour–magnitude diagrams, integrated photometric properties and derived King profile fit parameters are given, and we discuss possible origins of these clusters and their relationships to other populations.

Url:

DOI: 10.1111/j.1365-2966.2005.09086.x

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">We present three new clusters discovered in the halo of M31 which, although having globular‐like colours and luminosities, have unusually large half‐light radii, ∼30 pc. They lie at projected galactocentric distances of ≈15 to ≈35 kpc. These objects begin to fill the gap in parameter space between globular clusters and dwarf spheroidals, and are unlike any clusters found in the Milky Way, or elsewhere to date. Colour–magnitude diagrams, integrated photometric properties and derived King profile fit parameters are given, and we discuss possible origins of these clusters and their relationships to other populations.</div>
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A new population of extended, luminous star clusters in the halo of M31

A new population of extended, luminous star clusters in the halo of M31

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur les relations entre la France et l'Australie
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