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2002MNRAS.337..133Y - Mon. Not. R. Astron. Soc., 337, 133-146 (2002/November-3)
A deep UBVRI CCD photometric study of the open clusters Tr1 and Be 11.
YADAV R.K.S. and SAGAR R.
Abstract (from CDS):
The distances to Tr1 and Be11 are estimated as 2.6±0.10 and 2.2±0.10 kpc, respectively, while the theoretical stellar evolutionary isochrones fitted to the bright cluster members indicate that the clusters Tr1 and Be11 are 40±10 and 110 ±10 Myr old, respectively. The mass functions corrected for both field star contamination and data incompleteness are derived for both clusters. The slopes 1.50±0.40 and 1.22±0.24 for Tr1 and Be11, respectively, are in agreement with the Salpeter value. Observed mass segregations in both clusters may be the result of dynamical evolutions or the imprint of star formation processes or both.
Abstract Copyright: RAS
Journal keyword(s): Hertzsprung-Russell (HR) diagram - stars: luminosity function, mass function - open clusters and associations: individual: Tr1 - open clusters and associations: individual: Be11 - galaxies: star clusters
VizieR on-line data: <Available at CDS (J/MNRAS/337/133): tr1.dat tr1f.dat be11.dat be11f.dat>
Nomenclature: Table 4: Cl* Trumpler 1 YS NNNN (Nos 1001-2066). Table 5: Cl* Berkeley 11 YS NNN (Nos 1-670).
Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.
CDS comments: Table 4: format 'NNN' = Cl* Trumpler 1 PJ NNN.
Simbad objects: 2
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