Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.277.1269m&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 277, Issue 4, pp. 1269-1273.
Astronomy and Astrophysics
Astronomy
10
Hertzsprung-Russell (Hr) Diagram, Open Clusters And Associations: Individual: Bochum 2
Scientific paper
UBV(RI)_C-Hα CCD photometry and GRISM spectroscopy are presented for Bochum 2, a distant cluster in the galactic anticentre direction. The cluster is young, with late O-type members still on the main sequence. No red giant/supergiant is associated with the cluster. 28 possible cluster members are identified. The distance and mean reddening are ~6 kpc and E(B-V)=0.80, respectively. The reddening law for Bochum 2 matches the standard one. The upper main sequence of the cluster is well defined over a range >=6.5 mag, with some spread due to differential reddening. No strong emission line or Wolf-Rayet star has been detected. There is no bright HII region associated with the cluster.
Carraro Giovanni
Munari Ulisse
No associations
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