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| Query : 1981A&A....96...82V |
1981A&A....96...82V - Astronomy and Astrophysics, volume 9682-90 (1981)
A discussion on VBLUW photometry of the X-ray binaries HD 77581 (=Vel X-1=3U 900-40) and on the overluminosity of the primaries in X-ray binaries. The optical micro variability of the hot supergiant primaries HD 77581 and HD 153919.
VAN GENDEREN A.M.
Journal keyword(s):
Simbad objects: 3
| Number of rows : 3 |
| 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 | HD 76341 | Em* | 08 54 00.6139723224 | -42 29 08.763425340 | 6.88 | 7.392 | 7.163 | 8.08 | O9.2IV | 118 | 1 | |
| 2 | HD 76838 | Be* | 08 57 07.5515640336 | -43 15 22.266109548 | 6.59 | 7.31 | 7.31 | B2IV | 72 | 0 | ||
| 3 | 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 |
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