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| Query : 1999IBVS.4713....1R |
1999IBVS.4713....1R - IAU Inform. Bull. Var. Stars, 4713, 1-4 (1999/May-0)
On the orbital period changes of AK Herculis.
ROVITHIS-LIVANIOU H., KRANIDIOTIS A., FRAGOULOPOULOU E., SERGIS N. and ROVITHIS P.
Abstract (from CDS):
We present 10 unpublished photoelectric minima of the eclipsing binary AK Her and examine its orbital period changes.
Abstract Copyright: ∼
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 155676 | V* | 17 12 28.8504320208 | +16 30 30.385553472 | 9.27 | 8.76 | F8 | 19 | 0 | |||
| 2 | HD 155713 | PM* | 17 12 41.7965227488 | +16 13 47.038261872 | 9.72 | 9.16 | G0 | 14 | 0 | |||
| 3 | V* AK Her | SB* | 17 13 57.8236051704 | +16 21 00.618202044 | 9.04 | 8.51 | 7.874 | F4V | 271 | 0 |
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