WDS 19495+2230 CHE 154 : NOTES
 
 
discov_num notes refcode
CHE 154 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
19495+2230 CHE 154 1907 1 65 19.6 11.90 12.50 194933.22+223005.1
19495+2230 CHE 154 2008 3 114 20.3 12.10 12.10 N 194915.09+222859.6
19495+2230 CHE 154 2010 5 115 20.8 12.79 12.66 N 194915.09+222859.6
19495+2230 CHE 154 2015 6 114 20.3 12.79 12.66 N 194915.09+222859.6

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