WDS 20157+1457 BKO 550 : NOTES
 
 
discov_num notes refcode
BKO 550 Anon. 63. Bko2009d
 
 
REFERENCES
 
 
refcode metd author reference
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+1457 BKO 550 2008 1 299 3.9 13.50 14.00 N 201542.90+145659.3
20157+1457 BKO 550 2010 4 292 3.7 13.50 14.00 N 201542.90+145659.3
20157+1457 BKO 550 2015 4 301 3.8 13.50 14.00 N 201542.90+145659.3

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