The young Galactic star cluster [DBS2003]179

J. Borissova, V. D. Ivanov, M. M. Hanson, L. Georgiev, D. Minniti, R. Kurtev, D. Geisler

Resultado de la investigación: Article

23 Citas (Scopus)

Resumen

Context. Recent near- and mid-infrared surveys have brought evidence that the Milky Way continues to form massive clusters.Aims. We carry out a program to determine the basic physical properties of the new massive cluster candidate [DBS2003]179.Methods. Medium-resolution -band spectra and deep near-infrared images of [DBS2003]179 were used to derive the spectral types of eight member stars, and to estimate the distance and reddening to the cluster.Results. Seven of ten stars with spectra show emission lines. Comparison with template spectra indicated that they are early O-type stars. The mean radial velocity of the cluster is kms. Knowing the spectral types of the members and the color excesses, we determined extinction and distance modulus (mag (Kpc). The presence of early O-stars and a lack of red supergiants suggests a cluster age of 2-5Myr. The total cluster mass is approximated to and it is not yet dynamically relaxed.Conclusions. The candidate [DBS2003]179 further increases the family of the massive young clusters in the Galaxy, although it appears less massive than the prototypical starburst clusters.

Idioma originalEnglish
Páginas (desde-hasta)151-159
Número de páginas9
PublicaciónAstronomy and Astrophysics
Volumen488
N.º1
DOI
EstadoPublished - sep 2008

Huella dactilar

star clusters
near infrared
physical property
extinction
stars
early stars
O stars
young
radial velocity
emission spectra
templates
physical properties
galaxies
color
estimates

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Citar esto

Borissova, J., Ivanov, V. D., Hanson, M. M., Georgiev, L., Minniti, D., Kurtev, R., & Geisler, D. (2008). The young Galactic star cluster [DBS2003]179. Astronomy and Astrophysics, 488(1), 151-159. https://doi.org/10.1051/0004-6361:20079255
Borissova, J. ; Ivanov, V. D. ; Hanson, M. M. ; Georgiev, L. ; Minniti, D. ; Kurtev, R. ; Geisler, D. / The young Galactic star cluster [DBS2003]179. En: Astronomy and Astrophysics. 2008 ; Vol. 488, N.º 1. pp. 151-159.
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abstract = "Context. Recent near- and mid-infrared surveys have brought evidence that the Milky Way continues to form massive clusters.Aims. We carry out a program to determine the basic physical properties of the new massive cluster candidate [DBS2003]179.Methods. Medium-resolution -band spectra and deep near-infrared images of [DBS2003]179 were used to derive the spectral types of eight member stars, and to estimate the distance and reddening to the cluster.Results. Seven of ten stars with spectra show emission lines. Comparison with template spectra indicated that they are early O-type stars. The mean radial velocity of the cluster is kms. Knowing the spectral types of the members and the color excesses, we determined extinction and distance modulus (mag (Kpc). The presence of early O-stars and a lack of red supergiants suggests a cluster age of 2-5Myr. The total cluster mass is approximated to and it is not yet dynamically relaxed.Conclusions. The candidate [DBS2003]179 further increases the family of the massive young clusters in the Galaxy, although it appears less massive than the prototypical starburst clusters.",
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Borissova, J, Ivanov, VD, Hanson, MM, Georgiev, L, Minniti, D, Kurtev, R & Geisler, D 2008, 'The young Galactic star cluster [DBS2003]179', Astronomy and Astrophysics, vol. 488, n.º 1, pp. 151-159. https://doi.org/10.1051/0004-6361:20079255

The young Galactic star cluster [DBS2003]179. / Borissova, J.; Ivanov, V. D.; Hanson, M. M.; Georgiev, L.; Minniti, D.; Kurtev, R.; Geisler, D.

En: Astronomy and Astrophysics, Vol. 488, N.º 1, 09.2008, p. 151-159.

Resultado de la investigación: Article

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T1 - The young Galactic star cluster [DBS2003]179

AU - Borissova, J.

AU - Ivanov, V. D.

AU - Hanson, M. M.

AU - Georgiev, L.

AU - Minniti, D.

AU - Kurtev, R.

AU - Geisler, D.

PY - 2008/9

Y1 - 2008/9

N2 - Context. Recent near- and mid-infrared surveys have brought evidence that the Milky Way continues to form massive clusters.Aims. We carry out a program to determine the basic physical properties of the new massive cluster candidate [DBS2003]179.Methods. Medium-resolution -band spectra and deep near-infrared images of [DBS2003]179 were used to derive the spectral types of eight member stars, and to estimate the distance and reddening to the cluster.Results. Seven of ten stars with spectra show emission lines. Comparison with template spectra indicated that they are early O-type stars. The mean radial velocity of the cluster is kms. Knowing the spectral types of the members and the color excesses, we determined extinction and distance modulus (mag (Kpc). The presence of early O-stars and a lack of red supergiants suggests a cluster age of 2-5Myr. The total cluster mass is approximated to and it is not yet dynamically relaxed.Conclusions. The candidate [DBS2003]179 further increases the family of the massive young clusters in the Galaxy, although it appears less massive than the prototypical starburst clusters.

AB - Context. Recent near- and mid-infrared surveys have brought evidence that the Milky Way continues to form massive clusters.Aims. We carry out a program to determine the basic physical properties of the new massive cluster candidate [DBS2003]179.Methods. Medium-resolution -band spectra and deep near-infrared images of [DBS2003]179 were used to derive the spectral types of eight member stars, and to estimate the distance and reddening to the cluster.Results. Seven of ten stars with spectra show emission lines. Comparison with template spectra indicated that they are early O-type stars. The mean radial velocity of the cluster is kms. Knowing the spectral types of the members and the color excesses, we determined extinction and distance modulus (mag (Kpc). The presence of early O-stars and a lack of red supergiants suggests a cluster age of 2-5Myr. The total cluster mass is approximated to and it is not yet dynamically relaxed.Conclusions. The candidate [DBS2003]179 further increases the family of the massive young clusters in the Galaxy, although it appears less massive than the prototypical starburst clusters.

KW - Galaxy: open clusters and associations: general

KW - Galaxy: open clusters and associations: individual [DBS2003] 179

KW - Stars: early-type

KW - Stars: emission-line, Be

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Borissova J, Ivanov VD, Hanson MM, Georgiev L, Minniti D, Kurtev R y otros. The young Galactic star cluster [DBS2003]179. Astronomy and Astrophysics. 2008 sep;488(1):151-159. https://doi.org/10.1051/0004-6361:20079255