KRONBERGER 49: A NEW LOW-MASS GLOBULAR CLUSTER OR AN UNPRECEDENTED BULGE WINDOW?


Autoria(s): Ortolani, S.; Bonatto, C.; Bica, E.; Barbuy, B.; Saito, R. K.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO

Data(s)

07/11/2013

07/11/2013

2012

Resumo

We employ optical and near-infrared photometry to study the stars in the direction of the star cluster candidate Kronberger 49. The optical color-magnitude diagrams (V, I, and Gunn z photometry obtained with the Galileo Telescope) are tight and present evidence of a main-sequence turnoff. We may be dealing with a low-mass, metal-rich globular cluster located in the bulge at a distance from the Sun of d(circle dot) = 8 +/- 1 kpc. Alternatively, it may be a dust hole through which we are sampling the bulge stellar population affected by a very low amount of differential reddening.

National Aeronautics and Space Administration

National Aeronautics and Space Administration

National Science Foundation

National Science Foundation

CNPq

CNPq

Fapesp

FAPESP

Italian Ministero dell'Universita e della Ricerca Scientifica e Tecnologica (MURST)

Italian Ministero dellUniversita e della Ricerca Scientifica e Tecnologica (MURST)

BASCAL CATA Center for Astrophysics and Associated Technologies

BASCAL CATA Center for Astrophysics and Associated Technologies [PFB-06]

Ministry for the Economy, Development, and Tourisms Programa Iniciativa Cientifica Milenio

Ministry for the Economy, Development, and Tourism's Programa Iniciativa Cientifica Milenio [P07-021-F]

Identificador

ASTRONOMICAL JOURNAL, BRISTOL, v. 144, n. 5, supl. 1, Part 2, pp. 54-60, NOV, 2012

0004-6256

http://www.producao.usp.br/handle/BDPI/43202

10.1088/0004-6256/144/5/147

http://dx.doi.org/10.1088/0004-6256/144/5/147

Idioma(s)

eng

Publicador

IOP PUBLISHING LTD

BRISTOL

Relação

ASTRONOMICAL JOURNAL

Direitos

restrictedAccess

Copyright IOP PUBLISHING LTD

Palavras-Chave #GLOBULAR CLUSTERS: INDIVIDUAL (KRONBERGER 49) #HERTZSPRUNG-RUSSELL AND C-M DIAGRAMS #GALACTIC BULGE #MILKY-WAY #EXTINCTION #2MASS #CATALOG #GALAXY #STARS #ORBIT #ASTRONOMY & ASTROPHYSICS
Tipo

article

original article

publishedVersion