WDS 21017+1652 BPM 2311 AB : NOTES
 
 
discov_num notes refcode
BPM2311 AB: [PM2000] 2440174 + [PM2000] 2440516. Gvr2010
BPM2312 BC: [PM2000] 2440516 + [PM2000] 2440753. 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
21017+1652 BPM2311 AB 1999 2 111 113.8 15.12 15.51 NV 210143.02+165147.0
21017+1652 BPM2311 AB 2001 3 111 113.8 15.12 15.51 NV 210143.02+165147.0
21017+1652 BPM2311 AB 2015 4 110 113.7 15.06 15.64 NV 210143.02+165147.0

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