WDS 02229+5835 BLL 7 (S Per) : NOTES
| discov_num |
notes |
refcode |
| BLL 7 |
A is the semi-regular variable, S Per. |
|
REFERENCES
| refcode |
metd |
author |
reference |
| Bll1872 |
orb - |
Ball, R.S. |
. |
| Bll1872 |
|
Proc. Royal Irish Acad., June 1872 |
|
| Bll1884 |
Ma j |
Ball, R.S. |
1884DunOP...5....1B |
| Bll1884 |
|
Pub. Dunsink Obs. 5, 1, 1884 |
|
| Bll1913A |
Ma - |
Ball, R.S. |
1913QB811.B8....... |
| Bll1913A |
|
cited by Burnham (Carnegie Inst. Wash. #168, 1913) |
|
| Bll1932A |
- |
Ball, R.S. |
1932QB821.A43...... |
| Bll1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 02229+5835 |
BLL 7 |
|
2000 |
9 |
21 |
69.4 |
10.76 |
11.39 |
M3Iaev |
N |
022251.72+583511.5 |
| 02229+5835 |
BLL 7 |
|
2003 |
10 |
21 |
69.3 |
10.76 |
11.39 |
M3Iaev |
N |
022251.72+583511.5 |
| 02229+5835 |
BLL 7 |
|
2010 |
12 |
17 |
50.8 |
10.76 |
11.39 |
M3Iaev |
N |
022251.72+583511.5 |
| 02229+5835 |
BLL 7 |
|
2014 |
14 |
20 |
69.1 |
10.76 |
11.39 |
M3Iaev |
N |
022251.72+583511.5 |
| 02229+5835 |
BLL 7 |
|
2018 |
15 |
20 |
69.1 |
10.76 |
11.39 |
M3Iaev |
NU |
022251.72+583511.5 |
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