Photometry of the Wolf-Rayet binary HD 211853 in the Vilnius photometric system

Details Photometry of the Wolf-Rayet binary HD 211853 in the Vilnius photometric system Photometry of the Wolf-Rayet binary HD 211853 in the Vilnius photometric system

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...282..137a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 282, no. 1, p. 137-140

Astronomy and Astrophysics

Astrophysics

4

Astronomical Photometry, Binary Stars, Ephemerides, Stellar Spectra, Wolf-Rayet Stars, Absorption Spectra, Emission Spectra, Light Curve, Line Spectra, Radial Velocity

Scientific paper

New photometric observations of the Wolf-Rayet binary HD 211853 are presented. The period search routine confirms the period of 6.6884 days for pair A. For pair B, a new corrected ephemeris (T0 = 2443689.16, P = 3.4696 days) is determined. This ephemeris allows to present light minima of all available photometric data in the same phase. Moreover, they are in good accordance with the absorption lines radial velocity residuals of Hiltner (1945) and Massey (1981). It is shown that the third possible period of 2.34607 days found by Panov & Seggewiss (1990) is an alias from the half period of approximately 3.47 days.

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