2001A&A...377..972O

Query : 2001A&A...377..972O

2001A&A...377..972O - Astronomy and Astrophysics, volume 377, 972-980 (2001/10-3)

Investigation of the Magellanic eclipsing binary HV 2241.

OSTROV P.G., MORRELL N.I. and LAPASSET E.

Abstract (from CDS):

We present a CCD V light curve of HV 2241, together with some observations in the B band. We analysed our photometric data jointly with previously published radial velocities by means of the Wilson-Devinney code, and derived new values for the physical parameters of this massive eclipsing binary system. We confirm that this system is semi-detached, with the secondary (less massive and less luminous component) filling its Roche-lobe. From our analysis, we estimate the following masses and radii for the components of HV 2241: M₁=36.2±0.7M_☉, R₁=14.9±0.4R_☉, M₂=18.4 ±0.7M_☉ and R₂=13.7±0.4R_☉. We review the spectral classification analysing HST and IUE data and discuss the temperature and the reddening for this star.

Abstract Copyright: ∼

Journal keyword(s): binaries: eclipsing - stars: early-type - stars: fundamental parameters - stars: individual: HV 2241

Simbad objects: 3

Full paper

View the references in ADS

Number of rows : 3

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag I	Sp type	#ref 1850 - 2023
1	SV* HV 2241	V*	04 57 15.7351536912	-66 33 54.281614680		13.82	13.96		O6-8V-III((f))	29
2	SV* HV 2543	EB*	05 27 27.3922227816	-67 11 54.502222164	11.913	13.014	13.206	13.055	OB	23
3	HD 190864	Em*	20 05 39.8022808800	+35 36 27.991297908	7.18	7.93	7.78		O6.5III(f)	222

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