2003A&A...407..685H

Query : 2003A&A...407..685H

2003A&A...407..685H - Astronomy and Astrophysics, volume 407685-690 (2003/8-4)

The radial velocity curve of HD 153919 (4U 1700-37) revisited.

HAMMERSCHLAG-HENSBERGE G., VAN KERKWIJK M.H. and KAPER L.

Abstract (from CDS):

We have re-analysed all available high-resolution ultraviolet IUE spectra of the high-mass X-ray binary HD 153919/4U 1700-37. The radial velocity semi-amplitude of 20.6±1.0km/s and orbital eccentricity of 0.22±0.04 agree very well with the values obtained earlier from optical spectra. They disagree with earlier conclusions for the same data reduced by Heap & Corcoran (1992ApJ...387..340H) and by Stickland & Lloyd (1993MNRAS.264..935S).

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Journal keyword(s): stars: binaries: close - stars: early type - stars: radial velocities - stars: individual: HD 153919, 4U 1700-37 - ultraviolet: stars

Simbad objects: 2

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Number of rows : 2
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 V* GP Vel HXB 09 02 06.8608812864 -40 33 16.899168060 6.85 7.37 6.87 6.31 6.05 B0.5Ia 1588 0
2 HD 153919 HXB 17 03 56.7725629224 -37 50 38.913331452 6.06 6.78 6.51 6.08 5.90 O6Iafcp 851 0

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