2005A&A...433..173C

Query : 2005A&A...433..173C

2005A&A...433..173C - Astronomy and Astrophysics, volume 433, 173-183 (2005/4-1)

The thick disc component of the Galaxy from near infrared colour-magnitude diagrams.

CABRERA-LAVERS A., GARZON F. and HAMMERSLEY P.L.

Abstract (from CDS):

The vertical distribution of K giants stars is analyzed using 2MASS data and a semiempirical method of extracting stellar densities from the K/J-K colour-magnitude diagrams. The vertical density distribution of red clump giant stars can be described by a double exponential, with scaleheights of 268.81±12.65pc and 1061.9±52.16pc. These values are in agreement with the expected values for the thin and thick disc components of the Milky Way. For the thick disc, the radial scalelength is also obtained, with a value of hR=3.04±0.11kpc.

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Journal keyword(s): Galaxy: general - Galaxy: stellar content - Galaxy: structure - infrared: stars - Galaxy: disk

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 3913 0
2 NAME SGP reg 00 51 26.275 -27 07 41.70           ~ 567 0
3 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1177 0

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