WDS 20121+3938 SEI 997 : 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
20121+3938 SEI 997 1998 4 146 10.4 11.20 11.50 D 201203.92+393742.2
20121+3938 SEI 997 2006 5 146 10.3 11.20 11.50 D 201203.92+393742.2
20121+3938 SEI 997 2011 7 147 10.3 11.20 11.50 D 201203.92+393742.2
20121+3938 SEI 997 2015 8 146 10.3 11.20 11.50 201203.92+393742.2

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