WDS 12289+2555 STFA 21 AB (17 Com) : NOTES
| discov_num |
notes |
refcode |
| STFA 21 |
AB: A is an Alpha CVn-type variable, AI Com. |
|
|
B is a spectroscopic binary. |
|
| BU 1080 |
BC: Faint companion was suspected sf on both nights. |
B__1963b |
REFERENCES
| refcode |
metd |
author |
reference |
| B__1963b |
Ma j |
van den Bos, W.H. |
1963AJ.....68..582V |
| B__1963b |
|
AJ 68, 582, 1963 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
BU |
Burnham, S.W. (BU 1 - 81) |
| 179 |
SLE |
Soulie, G. |
| 198 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 12289+2555 |
STFA 21 |
AB |
2002 |
40 |
251 |
146.2 |
5.23 |
6.64 |
A0p |
N D |
122854.72+255446.4 |
| 12289+2555 |
STFA 21 |
AB |
2009 |
41 |
251 |
144.2 |
5.23 |
6.64 |
A0p |
N D |
122854.72+255446.4 |
| 12289+2555 |
STFA 21 |
AB |
2012 |
42 |
250 |
143.5 |
5.23 |
6.64 |
A0p |
N D |
122854.72+255446.4 |
| 12289+2555 |
STFA 21 |
AB |
2018 |
48 |
251 |
146.4 |
5.23 |
6.64 |
A0p |
N |
122854.72+255446.4 |
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