WDS 20117+1221 BPM 2052 BC : NOTES
 
 
discov_num notes refcode
BPM2051 AB: [PM2000] 2211498 + [PM2000] 2211470. Gvr2010
BPM2052 BC: [PM2000] 2211470 + [PM2000] 2211313. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
Gvr2010 Pa - Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. 2010A&A...521A 4G
Gvr2010 +T A&A 521, A4, 2010
Gvr2010 (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010 catalogs, spanning years ~1900-2000)
 
 
DISCOVERER
 
 
idgroup discov author
1 BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20117+1221 BPM2052 BC 1998 2 194 89.4 15.98 15.87 NV 201142.35+122126.5
20117+1221 BPM2052 BC 2001 3 194 89.3 15.98 15.87 NV 201142.35+122126.5
20117+1221 BPM2052 BC 2015 4 193 89.0 15.98 15.87 NV 201142.35+122126.5

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