WDS 20491+3640 SEI 1260 : NOTES
 
 
discov_num notes refcode
SEI1260 ALI 428.
 
 
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
20491+3640 SEI1260 1933 3 43 8.6 11.20 11.60 N 204903.70+364026.0
20491+3640 SEI1260 1998 4 43 7.7 11.16 10.90 N D 204903.83+364040.3
20491+3640 SEI1260 2002 5 43 7.6 11.16 10.90 N D 204903.83+364040.3
20491+3640 SEI1260 2010 6 43 7.1 11.16 10.90 N 204903.83+364040.3
20491+3640 SEI1260 2015 7 42 7.5 11.16 10.90 N 204903.83+364040.3

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