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Massive Stars in M31 and M33 OB Associations

Published online by Cambridge University Press:  03 August 2017

K. Cananzi  and
M. Azzopardi
K. Cananzi
Affiliation:
Observatoire de Marseille 2 Place Le Verrier F-13248 Marseille Cedex 4, France
M. Azzopardi
Affiliation:
Observatoire de Marseille 2 Place Le Verrier F-13248 Marseille Cedex 4, France

Extract

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We observed several OB associations of M31 (OB 33, 42, 59 and 69) and of M33 (OB 4 and 137) in UBVI and through interference filters centered on lines of HeII and CIII, as well as a narrow continuum comparison filter at 4749 å (Armandroff & Massey, 1985). The observations were made at the CFH 3.6m telescope with a RCA-CCD. The stellar photometry was obtained using DAOPHOT.

Type
Session VIII. Inventory and Distribution
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 649
Copyright
Copyright © Kluwer 1991 

References

Armandroff, T., Massey, P. 1989, Astrophys. J., 291, 685.Google Scholar
Berkhuijsen, E.M., Humphreys, R.M. 1989, Astron. Astrophys. 214, 6.Google Scholar
Maeder, A. 1990, Astron. Astrophys. (in press).Google Scholar