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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