WDS 21143-3835 B 520 AB (HD 201991) : NOTES
| discov_num |
notes |
refcode |
| HJ 5253 |
AC: The C component was found to have a spectroscopic companion with a |
Tok2020h |
|
period of 11d. The close AB pair, estimated period 1.3k yr, may be |
|
|
responsible for proper motion differences, and this may be a physical |
|
|
quadruple. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| Tok2020h |
not j |
Tokovinin, A. |
2020AJ....160...69T |
| Tok2020h |
|
AJ 160, 69, 2020 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
B |
van den Bos, W.H. |
| 212 |
HJ |
Herschel, J.F.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 21143-3835 |
B 520 |
AB |
1991 |
12 |
248 |
0.8 |
8.81 |
9.48 |
F2 |
D |
211416.34-383440.6 |
| 21143-3835 |
B 520 |
AB |
2008 |
13 |
252 |
0.8 |
8.81 |
9.48 |
F2 |
D |
211416.34-383440.6 |
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