WDS 19523+2249 CHE 176 : NOTES
 
 
discov_num notes refcode
CHE 176 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 to this pair was actually a new pair. 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
19523+2249 CHE 176 2000 2 39 30.0 11.00 12.20 D 195215.32+224831.8
19523+2249 CHE 176 2001 3 126 27.6 10.91 12.60 N D 195155.58+224803.3
19523+2249 CHE 176 2010 4 126 27.5 10.91 13.22 N 195155.58+224803.3
19523+2249 CHE 176 2015 5 126 27.7 10.91 13.22 N 195155.58+224803.3

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