Spectroscopic and photometric observations of the Herbig Be star Z Canis Majoris

Details Spectroscopic and photometric observations of the Herbig Be star Z Canis Majoris Spectroscopic and photometric observations of the Herbig Be star Z Canis Majoris

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1868c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Dec. 1984, p. 1868-1875. Research supported by the Consiglio Nazionale delle Ric

Astronomy and Astrophysics

Astronomy

26

Absorption Spectra, B Stars, Stellar Spectrophotometry, Ubv Spectra, Variable Stars, H Beta Line, Line Shape, Line Spectra, Radial Velocity

Scientific paper

Spectroscopic and photometric (UBV) observations of Z CMa were carried out at ESO, La Silla during February 1983. Photometric variations of the order of a few tenths of magnitude were detected in contrast with its past more variable behavior. The spectrum of Z CMa appears to have a complex structure showing at the same time characteristics of both early (B5 - B8) and late (middle F) spectral types. A rather peculiar and variable profile with three different absorption components was observed at the Hβ line. From a comparison between the present and the past behaviour it seems that the star is now in a relatively quiescent phase.

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