2002MNRAS.334..193C

Query : 2002MNRAS.334..193C

2002MNRAS.334..193C - Mon. Not. R. Astron. Soc., 334, 193-197 (2002/July-3)

Hipparcos open clusters and stellar evolution.

CASTELLANI V., DEGL'INNOCENTI S., PRADA MORONI P.G. and TORDIGLIONE V.

Abstract (from CDS):

By relying on recently improved Hipparcos parallaxes for the Hyades, Pleiades and Ursa Major clusters we find that stellar models with updated physical inputs reproduce nicely the location in the colour-magnitude diagram of main-sequence stars of different metallicities. Stars in the helium-burning phase are also discussed, showing that the luminosity of giants in the Hyades, Praesepe and Ursa Major clusters appears to be in reasonable agreement with theoretical predictions. A short discussion concerning the current evolutionary scenarios closes the paper.

Abstract Copyright: 2002 Blackwell Science Ltd

Journal keyword(s): stars: evolution - Hertzsprung-Russell (HR) diagram - open clusters and associations: individual: Hyades - open clusters and associations: individual: Pleiades - open clusters and associations: individual: Ursa Major - open clusters and associations: individual: Praesepe

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
2 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
3 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
4 NAME UMa Region reg 11 00 +50.0           ~ 333 0
5 NAME Ursa Major Cluster ClG 15 08.8 +67 07           ~ 424 1

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