Detection and BVR photometry of late type stars in the Large Magellanic cloud

Details Detection and BVR photometry of late type stars in the Large Magellanic cloud Detection and BVR photometry of late type stars in the Large Magellanic cloud

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...51..277r&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 51, Feb. 1983, p. 277-320.

Astronomy and Astrophysics

Astrophysics

49

Late Stars, M Stars, Magellanic Clouds, Stellar Spectrophotometry, Supergiant Stars, Visual Photometry, Astronomical Catalogs, Astronomical Photography, Radial Velocity, Tables (Data)

Scientific paper

A new survey of the Large Magellanic Cloud has allowed the identification of 839 late type supergiants among which over 260 do not appear in the major catalogues of LMC M stars. After a preselection performed through a blink inspection of pairs of blue and red plates taken with the ESO astrograph, 714 objects were selected owing to a M spectral type determined on objective-prism plates taken with the ESO Schmidt telescope, and an additional 125 stars were selected owing to their large colour indices. Identification charts for the new stars, accurate coordinates, indications on the radial velocity when available, and BVR individual photographic photometry according to the dates of observations are provided. A further list contains similar data for stars appearing in the main catalogues of Sanduleak and Philip and Westerlund et al. that were preselected by blink but not retained in the final catalogue. Crude statistics show that 25% of the stars are variables; this percentage is clearly a strong underestimate. Finally the authors give the corresponding numbers of their stars in various catalogues.

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