WDS 20551-5207 I 18 (HD 198829) : NOTES
| discov_num |
notes |
refcode |
| I 18 |
The known 3".9 pair I 18 with estimated period ~1700 yr cannot explain |
|
|
the acceleration. |
Tok2012a |
|
CPM. Is the acceleration caused by this binary or sub-system? |
Tok2014d |
REFERENCES
| refcode |
metd |
author |
reference |
| Tok2012a |
A j |
Tokovinin, A., Hartnung, M., Hayward, T.L., & Makarov, V.V. |
2012AJ....144....7T |
| Tok2012a |
|
AJ 144, 7, 2012 |
|
| Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
| Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
I |
Innes, R.T.A. |
| 5 |
I |
MNRAS 57, 533, 1897 (data also in I__1897b, |
| 5 |
I |
I__1897c) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20551-5207 |
I 18 |
|
1999 |
8 |
0 |
3.6 |
7.00 |
10.20 |
G5 |
D |
205508.17-520710.5 |
| 20551-5207 |
I 18 |
|
2011 |
10 |
359 |
4.0 |
7.00 |
10.20 |
G5 |
D |
205508.17-520710.5 |
| 20551-5207 |
I 18 |
|
2015 |
12 |
359 |
4.0 |
7.12 |
10.20 |
G5 |
N |
205508.17-520710.5 |
| 20551-5207 |
I 18 |
|
2016 |
14 |
359 |
4.0 |
7.12 |
10.20 |
G5 |
N |
205508.17-520710.5 |
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