WDS 21278+3715 SEI 1518 : NOTES
 
 
discov_num notes refcode
SEI1518 ALI 442.
 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21278+3715 SEI1518 1999 5 143 15.2 10.36 10.97 N D 212743.85+371459.4
21278+3715 SEI1518 2011 6 144 15.5 10.36 10.97 N D 212743.85+371459.4
21278+3715 SEI1518 2015 9 143 15.5 10.36 10.97 N 212743.85+371459.4

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