WDS 21031+1434 A 1689 (HD 200452) : NOTES
 
 
discov_num notes refcode
A 1689 OL 131 is identical Hei1980a
 
 
REFERENCES
 
 
refcode metd author reference
Hei1980a Ma j Heintz, W.D. 1980ApJS...44..111H
Hei1980a +Mb ApJS 44, 111, 1980
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21031+1434 A 1689 2000 18 340 2.2 10.41 10.85 F2V N 210308.35+143420.5
21031+1434 A 1689 2015 19 341 2.4 10.41 10.85 F2V N 210308.35+143420.5
21031+1434 A 1689 2018 20 341 2.4 10.41 10.85 F2V N 210308.35+143420.5

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