WDS 19518+2344 CHE 172 : NOTES
discov_num |
notes |
refcode |
CHE 172 |
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 |
REFERENCES
refcode |
metd |
author |
reference |
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 |
19518+2344 |
CHE 172 |
|
1907 |
1 |
317 |
22.2 |
11.40 |
12.40 |
|
|
195144.84+234418.2 |
19518+2344 |
CHE 172 |
|
2000 |
2 |
45 |
22.6 |
11.60 |
12.60 |
|
N |
195125.79+234255.8 |
19518+2344 |
CHE 172 |
|
2001 |
3 |
45 |
22.7 |
11.60 |
12.60 |
|
N |
195125.79+234255.8 |
19518+2344 |
CHE 172 |
|
2010 |
4 |
46 |
22.7 |
12.01 |
12.56 |
|
N |
195125.79+234255.8 |
19518+2344 |
CHE 172 |
|
2015 |
5 |
46 |
22.8 |
12.01 |
12.56 |
|
N |
195125.79+234255.8 |
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