Photometric variability of LBV-candidate stars and Hubble-Sandage variables A, B, C and 2 in M 33

Details Photometric variability of LBV-candidate stars and Hubble-Sandage variables A, B, C and 2 in M 33 Photometric variability of LBV-candidate stars and Hubble-Sandage variables A, B, C and 2 in M 33

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...349..796k&link_type=abstract

Astronomy and Astrophysics, v.349, p.796-800 (1999)

Astronomy and Astrophysics

Astrophysics

7

Stars: Early-Type, Stars: Variables: General, Galaxies: Individual: M 33

Scientific paper

We present the photometric history of some Luminous Blue Variable candidate stars in M 33. The search for outbursts was made in photographic plates taken in the B band of the galaxy M 33 and cover an eight year period, 1982-1990. Twenty five plates, separated into seven groups, have been used. CCD UBV magnitudes of the star UIT003 are presented also. Only one (of 12) of the LBV candidates (UIT003) presents clear variability above the noise. The combination of photometric variability and a typical LBV spectrum make it a new LBV. We present also the light curves of Hubble-Sandage Variables A, B, C and 2.

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