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| Query : 1979ApJ...230..802H |
1979ApJ...230..802H - Astrophys. J., 230, 802-814 (1979)
Stellar luminosity stability : luminosity variations and light curve period changes in BY Dra stars.
HARTMANN L. and ROSNER R.
Journal keyword(s):
Simbad objects: 4
| Number of rows : 4 |
| 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 | * alf Gem A | SB* | 07 34 35.862828 | +31 53 17.79429 | 1.9 | A1.5IV+ | 394 | 0 | ||||
| 2 | V* YY Gem | SB* | 07 34 37.4474327544 | +31 52 10.179641496 | 11.60 | 10.56 | 9.27 | 7.69 | 6.67 | M0.5VeFe-2 | 882 | 0 |
| 3 | V* YZ CMi | PM* | 07 44 40.1723046464 | +03 33 08.875227574 | 13.761 | 12.831 | 11.225 | 9.958 | 8.263 | M4.0Ve | 957 | 0 |
| 4 | V* BY Dra | BY* | 18 33 55.7720712062 | +51 43 08.897780286 | 10.22 | 9.23 | 8.733 | K4Ve+K7.5Ve | 639 | 0 |
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