WDS 20311+3847 SEI 1150 : NOTES
 
 
discov_num notes refcode
SEI1150 LDS1043.
 
 
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
20311+3847 SEI1150 1998 4 74 21.6 9.50 11.00 D 203105.25+384700.6
20311+3847 SEI1150 2002 6 74 21.6 11.28 12.30 N D 203105.27+384701.8
20311+3847 SEI1150 2010 7 75 21.6 11.28 12.30 F2 N 203105.27+384701.8
20311+3847 SEI1150 2015 8 74 21.6 11.28 12.30 F2 N 203105.27+384701.8

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