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| Query : 1987ApJ...321..438N |
1987ApJ...321..438N - Astrophys. J., 321, 438-446 (1987/October-0)
The HeII lambda 4686 and H-alpha emission lines of Cygnus X-1.
NINKOV Z., WALKER G.A.H. and YANG S.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Stars: Individual Henry Draper Number: HDE 226868 - Stars: Individual Constellation Name: Cygnus X-1 - X-Rays: Binaries
Simbad objects: 7
| Number of rows : 7 |
| 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 | X LMC X-3 | HXB | 05 38 56.6323605504 | -64 05 03.317937504 | 17 | 17.2 | B2.5Ve | 722 | 0 | |||
| 2 | * mu. Nor | s*b | 16 34 05.0193637737 | -44 02 43.120603946 | 4.05 | 4.99 | 4.94 | 6.36 | O9.7Iab | 286 | 0 | |
| 3 | * 15 Sgr | s*b | 18 15 12.9063291264 | -20 43 41.767600368 | 4.64 | 5.42 | 5.37 | 5.27 | 5.19 | O9.7Iab | 268 | 0 |
| 4 | HD 188209 | s*b | 19 51 59.0687638680 | +47 01 38.419078944 | 4.61 | 5.55 | 5.63 | 5.54 | 5.64 | O9.5Iab | 322 | 0 |
| 5 | HD 226868 | HXB | 19 58 21.6757355952 | +35 12 05.784512688 | 9.38 | 9.72 | 8.91 | 8.42 | O9.7Iabpvar | 4590 | 0 | |
| 6 | HD 195592 | s*b | 20 30 34.9690901208 | +44 18 54.859533372 | 7.75 | 7.95 | 7.08 | 6.29 | 5.60 | O9.7Ia | 221 | 1 |
| 7 | * 19 Cep | * | 22 05 08.7897533088 | +62 16 47.332569936 | 4.36 | 5.19 | 5.11 | 4.95 | 4.92 | O9Ib | 397 | 0 |
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