WDS 20051+2039 BUP 203 AB : NOTES
 
 
discov_num notes refcode
BUP 203 A is the semiregular variable X Sge, P = 196d.
 
 
REFERENCES
 
 
refcode metd author reference
Bll1872 orb - Ball, R.S. .
Bll1872 Proc. Royal Irish Acad., June 1872
Bll1884 Ma j Ball, R.S. 1884DunOP...5....1B
Bll1884 Pub. Dunsink Obs. 5, 1, 1884
Bll1913A Ma - Ball, R.S. 1913QB811.B8.......
Bll1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Bll1932A - Ball, R.S. 1932QB821.A43......
Bll1932A cited in ADS (Aitken Double Star Cat.), 1932
BUP Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) 1913QB811.B8.......
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20051+2039 BUP 203 AB 1909 2 248 13.1 8.75 13.50 C6II N 200504.91+203853.3
20051+2039 BUP 203 AB 2001 3 247 13.2 8.75 13.50 C6II N 200504.91+203853.3
20051+2039 BUP 203 AB 2015 4 247 13.4 8.75 13.50 C6II N 200504.91+203853.3

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