WDS 22016+4921 ABH 156 AI : NOTES
 
 
discov_num notes refcode
ES 831 AD: Rectilinear solution by Hartkopf & Mason (2015). WSI2015
AE: Rectilinear solution by Hurowitz et al. (2014). USN2014b
 
 
REFERENCES
 
 
refcode metd author reference
USN2014b lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.183....1H
USN2014b Inf. Circ. 183, 1, 2014
WSI2015 Cu j Hartkopf, W.I. & Mason, B.D. 2015AJ....150..130H
WSI2015 +orb AJ 150, 136, 2015
WSI2015 +lin
 
 
DISCOVERER
 
 
idgroup discov author
1 ABH Abt, H.A.
29 ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22016+4921 ABH 156 AI 1999 2 56 73.6 9.55 13.10 A3Vp D 220133.94+492108.7
22016+4921 ABH 156 AI 2009 3 56 73.0 9.55 13.10 A3Vp D 220133.94+492108.7
22016+4921 ABH 156 AI 2015 5 56 72.8 9.55 13.10 A3Vp U 220133.94+492108.7

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