The ellipsoidal shape of the M giant in T Coronae Borealis

Details The ellipsoidal shape of the M giant in T Coronae Borealis The ellipsoidal shape of the M giant in T Coronae Borealis

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...270..165y&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 270, no. 1-2, p. 165, 166.

Astronomy and Astrophysics

Astrophysics

19

Binary Stars, Ellipsoids, M Stars, Novae, Stellar Structure, Astronomical Photography, Giant Stars

Scientific paper

We present IR observations that give evidence for a pronounced ellipsoidal shape of the M3 giant in the recurrent nova T Coronae Borealis. Our observations, which span 1340 days or 5.8 orbital periods, do not show any of the shorter period scale variabilities sometimes encountered in the optical. A slight revision of the orbital period from 227.53 to 227.59 days seems supported by our IR photometry.

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