WDS 22011+3915 SEI 1549 AB,C (HD 209260) : NOTES
 
 
discov_num notes refcode
A 1451 Usually too close for visual measures. Needs speckle.
AB,C: Possibly a 30" error in the declination of the secondary led to Sei1908
the erroneous 1894 Scheiner (1908) and WFC measures. WFC1998
 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
WFC1998 Pa j Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S., 1998AJ....115.1212U
WFC1998 Zacharias, M.I., & Hall, D.M.
WFC1998 AJ 115, 1212, 1998 (Astrographic Cat. 2000)
 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
WFC Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S.,
WFC Zacharias, M.I., & Hall, D.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
22011+3915 SEI1549 AB,C 1894 1 75 14.3 7.12 10.80 A0 N 220106.69+391445.4
22011+3915 SEI1549 AB,C 2011 2 20 37.8 7.11 10.30 A0 N 220106.69+391445.4
22011+3915 SEI1549 AB,C 2014 11 22 36.1 7.11 10.30 A0 N 220106.69+391445.4

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