NGC 3105 - Further photoelectric UBV observations

Details NGC 3105 - Further photoelectric UBV observations NGC 3105 - Further photoelectric UBV observations

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....59..141f&link_type=abstract

Astronomy and Astrophysics, vol. 59, no. 1, July 1977, p. 141-144. Research supported by the National Research Council of Canad

Astronomy and Astrophysics

Astrophysics

3

Star Clusters, Stellar Spectrophotometry, Ubv Spectra, B Stars, Binary Stars, Galactic Structure, Supergiant Stars

Scientific paper

NGC 3105 (galactic longitude 279.92 deg, latitude +0.28 deg) is confirmed to be a distant young cluster located 5.5 kpc from the sun on the basis of photoelectric photometry of 34 stars. Its mean B-V color excess is 1.08 plus or minus 0.03 (m.e.). The earliest spectral type is B2, making NGC 3105 a useful spiral tracer. It contains six probable supergiants: three red, one yellow, and two blue, one of the latter being confirmed spectroscopically. One of the red supergiants appears to be one component of a red-blue close binary. Three Be stars are also probable members.

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