WDS 20216+1930 COU 327 AB : NOTES
 
 
discov_num notes refcode
COU 327 Measures by ISM are anomalous. A preliminary visual orbit gives: Ism1992
P =35y, a = 0.16", motion direct.
One component is a spectroscopic binary, P = 70.53d.
Systemic mass is estimated at 3.0 +/- 0.7 Msun, assuming an estimated
parallax of 8 +/- 2 mas. Doc2008a
 
 
REFERENCES
 
 
refcode metd author reference
Doc2008a S j Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y., 2008AJ....135.1803D
Doc2008a +orb Lahulla, J.F., & Maximov, A.
Doc2008a AJ 135, 1803, 2008
Ism1992 Ig u Ismailov, R.M. 1992A&AS...96..375I
Ism1992 A&AS 96, 375, 1992
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20216+1930 COU 327 AB 2005 20 238 0.1 9.10 9.10 F8 NOD 202135.69+192940.1
20216+1930 COU 327 AB 2007 21 170 0.1 9.10 9.10 F8 NOD 202135.69+192940.1
20216+1930 COU 327 AB 2018 22 245 0.2 9.10 9.10 F8 NO 202135.69+192940.1
20216+1930 COU 327 AB 2019 23 245 0.2 9.10 9.10 F8 NO 202135.69+192940.1

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