WDS 20247+1747 BPMA 247 : NOTES
 
 
discov_num notes refcode
BPMA247 [PM2000] 2290330 + [PM2000] 2291140. 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
20247+1747 BPMA247 1997 2 41 194.5 14.27 15.25 NV 202442.70+174706.8
20247+1747 BPMA247 2001 3 41 194.4 14.27 15.25 NV 202442.70+174706.8
20247+1747 BPMA247 2010 4 41 194.2 14.27 15.25 NV 202442.70+174706.8
20247+1747 BPMA247 2015 5 40 194.1 14.27 15.25 NV 202442.70+174706.8

If you need more information about this double, apply for a data request form to the WDS.