2001A&A...380..258O

Query : 2001A&A...380..258O

2001A&A...380..258O - Astronomy and Astrophysics, volume 380258-263 (2001/12-2)

Fundamental parameters for the eclipsing binary AzV 73 in the Small Magellanic Cloud.

OSTROV P.G.

Abstract (from CDS):

A CCD V light curve for the eclipsing binary star Az V73 is presented. This new photometric observations are analysed together with previously published CCD I photometry from Udalski et al. (1998AcA....48..563U) and spectrographic data from Niemela & Bassino (1994ApJ...437..332N), by means of the Wilson-Devinney code. It is found that this system is semi-detached, with an orbital inclination of roughly 86° and a separation of 42R☉. The sizes and masses are R1=11.53 ±0.5R☉, M1=25.26±0.7M☉, and R2=15.46±0.4R☉, M2=21.96±0.8M☉ for the primary and secondary components, respectively.

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Journal keyword(s): binaries: eclipsing - stars: early-type - stars: fundamental parameters - stars: individual: Az V73

VizieR on-line data: <Available at CDS (J/A+A/380/258): table.dat>

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 DEM S 51 HII 00 48 56.3 -73 03 55           ~ 9 0
2 BBB SMC 33 EB* 00 50 27.9281649480 -73 03 16.538396148 13.04 13.85 13.88   14.24 B0III+O9V 35 0
3 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
4 SA 92- reg 00 55 03.80 +00 47 13.2           ~ 102 0
5 SA 98- reg 06 52 04.1 -00 23 58           ~ 179 0

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