WDS 21047+0332 SE 3 BC : NOTES
 
 
discov_num notes refcode
SE 3 Aa,Ab: This is called AD in the Greenwich Observations. The measures L__1895a
are probably of BC.
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2009 Su j Hartkopf, W.I. & Mason, B.D. 2009AJ....138..813H
Hrt2009 +orb AJ 138, 813, 2009
L__1895a Ma - Lewis, T. 1895RGOO...........
L__1895a Greenwich Observations, 1895
 
 
DISCOVERER
 
 
idgroup discov author
1 SE Secchi, A.
30 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21047+0332 SE 3 BC 2008 75 305 0.6 9.60 10.20 NO 210445.21+033157.6
21047+0332 SE 3 BC 2017 80 136 0.7 9.60 10.20 G0 NO 210445.21+033157.6

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