ICCD Speckle Observations of Binary Stars.XVIII.An Investigation of Be =

Details ICCD Speckle Observations of Binary Stars.XVIII.An Investigation of Be = ICCD Speckle Observations of Binary Stars.XVIII.An Investigation of Be =

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....114.2112m&link_type=abstract

Astronomical Journal v.114, p.2112

Astronomy and Astrophysics

Astronomy

15

Stars: Be, Binaries: Visual

Scientific paper

We report on a speckle interferometric survey for duplicity among a southern sky sample of Be stars. Within the detection regime of this speckle survey we find S binaries in a sample of 48 bright Be stars, and one of these, HD 54309, is a new discovery. A recent spectrum in the Hα region of this star shows no obvious evidence of the companion. The binary frequency of Be stars in the observed period range is similar to that of dwarf stars in general. In addition to this survey, all past CHARA CCD observations of Be stars have been re-digitized and re-analyzed with the goal of further investigating stars of this type. Results from this re-analysis are also presented.

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