WDS 19511+2306 BKO 999 BD : NOTES
| discov_num |
notes |
refcode |
| CHE 162 |
There was an error in Chevalier's coordinates due to incorrect |
Che1908 |
|
plate center coordinates. In addition, there was a trigonometric |
|
|
error in deriving theta; the correct value is 180deg - theta. |
Hrt2012b |
|
Berko's match was actually CHE 164. |
Bko2011c |
REFERENCES
| refcode |
metd |
author |
reference |
| Bko2011c |
C u |
Berko, E. |
................... |
| Bko2011c |
|
Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042) |
|
| Che1908 |
Pa - |
Chevalier, Stanislas |
. |
| Che1908 |
|
Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b) |
|
| Hrt2012b |
E2 - |
Hartkopf, W.I. |
................... |
| Hrt2012b |
|
Webb Soc., Double Star Circ. 20, 2012 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 19511+2306 |
BKO 999 |
BD |
2008 |
2 |
171 |
5.8 |
12.10 |
13.50 |
|
|
195050.39+230453.2 |
| 19511+2306 |
BKO 999 |
BD |
2015 |
4 |
170 |
5.8 |
12.10 |
13.50 |
|
N |
195050.39+230453.2 |
If you need more information about this double, apply for a
data request form to the WDS.
