WDS 20223+4748 ES 29 AC : NOTES
 
 
discov_num notes refcode
HJ 1510 E is A of HJ 1511. Opik also measures a wide pair 5'in 90@ from AD: Opi1927
230@ +/-, 35" +/-, 9.1-10.6.
 
 
REFERENCES
 
 
refcode metd author reference
Opi1927 Ma - Opik, E. 1927PTarO..26e...1O
Opi1927 Pub. Tartu Obs. 26, #5, 1927
 
 
DISCOVERER
 
 
idgroup discov author
1 ES Espin, T.E.
96 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20223+4748 ES 29 AC 2003 7 328 6.7 9.50 13.90 F5 D 202216.67+474739.5
20223+4748 ES 29 AC 2015 8 326 6.7 9.50 13.90 F5 N 202216.67+474739.5

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