SIMBAD references

1999A&A...349..448S - Astronomy and Astrophysics, volume 349, 448-456 (1999/9-2)

Photometric and kinematic studies of open star clusters. I. NGC 581 (M 103).

SANNER J., GEFFERT M., BRUNZENDORF J. and SCHMOLL J.

Abstract (from CDS):

We present CCD photometry and a proper motion study of the young open star cluster, NGC 581 (M 103). Fitting isochrones to the colour magnitude diagram, we found an age of 16±4Myr and a distance of roughly 3kpc for this cluster. The proper motion study identifies 77 stars of V=14.5mag or brighter to be cluster members. We combine membership determination by proper motions and statistical field star subtraction to derive the IMF of the cluster and find a quite steep slope of Γ=-1.80.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: open clusters and associations: individual: NGC 581 (M 103) - astrometry - stars: kinematics - stars: Hertzsprung-Russel (HR) and C-M diagrams - stars: luminosity function, mass function

VizieR on-line data: <Available at CDS (J/A+A/349/448): table4.dat table7.dat>

Nomenclature: Tables 4, 7: Cl* NGC 581 SGB NNNNN N=2387+2134 among (Nos 1-2132, 10031-18746).

CDS comments: Fig.1: Stars A, B, C = Cl* NGC 581 PUR A, B, C.

Simbad objects: 34

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