The orbital period of the hydrogen-deficient binary CPD-58 deg 2721

Details The orbital period of the hydrogen-deficient binary CPD-58 deg 2721 The orbital period of the hydrogen-deficient binary CPD-58 deg 2721

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.225.1005j&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 225, April 15, 1987, p. 1005-1011.

Astronomy and Astrophysics

Astronomy

5

Binary Stars, Radial Velocity, Stellar Composition, Stellar Orbits, Hydrogen, Stellar Mass

Scientific paper

Provisional values have been obtained for the orbital period and velocity semi-amplitude of the hydrogen-deficient binary CPD -58°2721 (=LSS 1922). The period (≡43 day) is the shortest so far discovered for a member of this class. The velocity semi-amplitude K1 = 61±8 km s-1 provides an estimate for the mass function f(m) ≡ 1.0. The need for further radial velocity measurements is emphasized.

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