WDS 20028+3742 SEI 817 (HD 227319) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Sei1908 |
Pa - |
Scheiner, J. |
1908POPot..59.....S |
| Sei1908 |
+Po |
Pub. Obs. Potsdam 20, #59, 1908 |
|
| Sei1913A |
Pa - |
Scheiner, J. |
1913QB811.B8....... |
| Sei1913A |
|
cited by Burnham (Carnegie Inst. Wash. #168, 1913) |
|
| Sei1932A |
Pa - |
Scheiner, J. |
1932QB821.A43...... |
| Sei1932A |
|
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 |
| 20028+3742 |
SEI 817 |
|
2000 |
4 |
101 |
21.8 |
10.02 |
12.20 |
B |
D |
200249.34+374200.4 |
| 20028+3742 |
SEI 817 |
|
2002 |
5 |
101 |
21.7 |
10.02 |
12.20 |
B |
D |
200249.34+374200.4 |
| 20028+3742 |
SEI 817 |
|
2010 |
6 |
102 |
21.4 |
10.02 |
12.20 |
B |
|
200249.34+374200.4 |
| 20028+3742 |
SEI 817 |
|
2015 |
7 |
102 |
21.6 |
10.02 |
12.20 |
B |
|
200249.34+374200.4 |
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