WDS 20057+3711 SEI 850 : 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
20057+3711 SEI 850 1998 4 339 26.0 11.63 12.60 D 200541.75+371036.2
20057+3711 SEI 850 2002 5 339 25.9 11.63 12.60 D 200541.75+371036.2
20057+3711 SEI 850 2010 6 339 25.6 11.48 12.58 F8: 200541.75+371036.2
20057+3711 SEI 850 2015 7 339 25.8 11.48 12.58 F8: 200541.75+371036.2

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