The high state of the FU Orionis variable Z Canis Majoris

Details The high state of the FU Orionis variable Z Canis Majoris The high state of the FU Orionis variable Z Canis Majoris

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...370..384h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 370, March 20, 1991, p. 384-395.

Astronomy and Astrophysics

Astrophysics

39

Accretion Disks, Pre-Main Sequence Stars, Variable Stars, Astronomical Photometry, Dwarf Novae, Stellar Evolution, Stellar Mass Accretion, Stellar Spectra

Scientific paper

Photometry and high-resolution spectroscopy of the pre-main-sequence object Z CMa are presented. During the first part of 1987, this luminous FU Ori variable had an eruption during which the absorption-line spectrum from an accretion disk seen in the normal state was replaced by a nearly featureless and bluer continuum and a large number of narrow emission lines from neutral and singly ionized metals. During 1985, a slight increase in the brightness was observed, corresponding both photometrically and spectroscopically to an intermediate state.

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