Absolute parameters of the Algol binary V505 Sgr from infrared JK light curves

Details Absolute parameters of the Algol binary V505 Sgr from infrared JK light curves Absolute parameters of the Algol binary V505 Sgr from infrared JK light curves

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006mnras.368..959l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 368, Issue 2, pp. 959-964.

Astronomy and Astrophysics

Astronomy

8

Binaries: General, Stars: Fundamental Parameters, Stars: Individual: V505 Sgr, Infrared: Stars

Scientific paper

We present the first light curves of V505 Sgr in the infrared (IR) J and K bands. The light curves are analysed with a code based on Roche geometry and stellar model atmosphere fluxes in order to determine a new set of stellar and orbital parameters. From the visual-IR photometry we find no evidence of IR excess in the system. We study the effect of the non-synchronous rotation of the primary star in the light and radial velocity curves. The distance of the system is estimated as 112 +/- 4pc, in close agreement with the Hipparcos parallax.

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