Speckle observations of the central binary tar in the Red Rectangle

Details Speckle observations of the central binary tar in the Red Rectangle Speckle observations of the central binary tar in the Red Rectangle

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205p..53m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Nov. 1983, p. 53P-56P.

Astronomy and Astrophysics

Astronomy

10

Binary Stars, Speckle Patterns, Autocorrelation, Interferometry, Orbits, Stellar Mass, Visual Observation

Scientific paper

The binary nature of the central star in the Red Rectangle HD 44179 has been confirmed using the Imperial College speckle interferometer on the AAT. The position angle of 146 + or - 3 deg and separation 0.29 + or - 0.02 arcsec are given for 1981 November 11. An orbital period of 60 + or - 5 yr and a total mass of the two components of the binary of about 31 solar masses are both predicted. No correlation between the inclination of the orbit and the striking geometry of the nebulosity is found.

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