An infrared companion to Z Canis Majoris

Details An infrared companion to Z Canis Majoris An infrared companion to Z Canis Majoris

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....102.2073k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 102, Dec. 1991, p. 2073-2078, 2127, 2128.

Astronomy and Astrophysics

Astronomy

87

Companion Stars, Infrared Stars, Stellar Systems, Accretion Disks, Double Stars, T Tauri Stars

Scientific paper

New near-infrared speckle observations of Z CMa reveal it to be a double star with a separation 0.1 arcsec at P.A. 120 deg. The northwest component is an infrared object whose broadband spectrum is reminiscent of the infrared companions to several T Tauri stars. The southeast component has the spectral energy distribution expected for a circumstellar disk whose luminosity is dominated by gravitational accretion. The far-infrared and millimeter-wave photometric fluxes suggest the presence of a massive second disk large enough to surround both components; this may be the reservoir from which the material accreted by the first disk is drawn.

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