1999A&A...350.1085C


Query : 1999A&A...350.1085C

1999A&A...350.1085C - Astronomy and Astrophysics, volume 350, 1085-1088 (1999/10-3)

The distance to eight X-ray sources derived from Hipparcos observations.

CLARK L.L. and DOLAN J.F.

Abstract (from CDS):

The parallaxes of eight galactic X-ray sources measured by Hipparcos are consistent with zero in all but two cases, 4U1145-619 (= Cen X-5) and HZ43. The parallax and proper motion measured for each of the others, including the Be/neutron star binaries X Per and A0535+26 and the massive X-ray binaries 4U0900-40, 4U1700-37, and Cyg XR-1, are consistent with their spectroscopic parallaxes. These results provide no evidence that visible stars in X-ray binaries have a luminosity that is abnormal for their spectral type.

Abstract Copyright:

Journal keyword(s): astrometry - stars: distances - stars: kinematics - X-rays: stars

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 LS I +61 303 HXB 02 40 31.6644419688 +61 13 45.593918580 11.27 11.61 10.75 10.19 9.55 B0Ve 800 2
2 V* X Per HXB 03 55 23.0777456088 +31 02 45.039836148 6.090 6.840 6.720     O9.5III 934 0
3 HD 245770 HXB 05 38 54.5748918624 +26 18 56.836952784 9.30 9.84 9.39 8.77 8.30 O9/B0III/Ve 920 0
4 V* GP Vel HXB 09 02 06.8608812864 -40 33 16.899168060 6.85 7.37 6.87 6.31 6.05 B0.5Ia 1422 0
5 HD 102567 Be* 11 48 00.0214464120 -62 12 24.902384760 8.24 9.06 9.00 9.62   O/Bne 298 0
6 HZ 43A WD* 13 16 21.8529879473 +29 05 55.413524767   12.52 12.66     DAwk 460 0
7 V* V861 Sco EB* 16 56 35.9776521336 -40 49 24.443276592 5.86 6.51 6.22 5.92 5.64 B2Iab/b 217 0
8 HD 153919 HXB 17 03 56.7725629224 -37 50 38.913331452 6.06 6.78 6.51 6.08 5.90 O6Iafcp 781 1
9 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4090 0

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2022.05.19-20:27:53

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