Structure and kinematics of the Small Magellanic Cloud as outlined by its brightest stars

Details Structure and kinematics of the Small Magellanic Cloud as outlined by its brightest stars Structure and kinematics of the Small Magellanic Cloud as outlined by its brightest stars

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....77..277a&link_type=abstract

Astronomy and Astrophysics, vol. 77, no. 3, Aug. 1979, p. 277-285.

Astronomy and Astrophysics

Astrophysics

31

Magellanic Clouds, Radial Velocity, Stellar Luminosity, Supergiant Stars, Astrometry, Histograms, Stellar Spectrophotometry, Velocity Measurement

Scientific paper

Some basic properties of extreme Population I stars in the Small Magellanic Cloud (SMC) are investigated on the basis of a systematic spectroscopic and photometric survey of the brightest supergiants belonging to the SMC. It is found that the main body and Wing of the SMC appear to have essentially the same mean radial velocity but that the K1 region has a markedly different velocity. A differential distance modulus of 0.50 + or - 0.07 is determined, along with an internal mean B-V color excess of 0.06 mag, a radial depth greater than that of the Large Magellanic Cloud, and a disruption time of the order of 700 million years.

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