WDS 20120+3640 SEI 989 : NOTES
 
 
No records found.

 
 
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
20120+3640 SEI 989 1998 4 153 29.6 11.00 11.00 D 201201.13+364000.1
20120+3640 SEI 989 2002 5 153 29.4 11.00 11.00 D 201201.13+364000.1
20120+3640 SEI 989 2010 6 153 29.4 11.27 11.41 201201.13+364000.1
20120+3640 SEI 989 2015 7 153 29.4 11.27 11.41 201201.13+364000.1

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