WDS 02157+6740 ENG 10 AB (V989 Cas) : NOTES
 
 
discov_num notes refcode
ENG 10 B is BD+66@193.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
SHY 10 BC: HIP 10529 + HIP 11167.
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 ENG changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to
32 SHY Shaya, E.J. & Olling, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02157+6740 ENG 10 AB 2006 24 330 21.7 7.30 9.36 K2V NLD 021542.55+674020.3
02157+6740 ENG 10 AB 2011 26 328 24.3 7.30 9.36 K2V NLD 021542.55+674020.3
02157+6740 ENG 10 AB 2012 28 327 24.8 7.30 9.36 K2V NLD 021542.55+674020.3
02157+6740 ENG 10 AB 2014 30 325 25.6 7.30 9.36 K2V NL U 021542.55+674020.3
02157+6740 ENG 10 AB 2016 33 324 27.5 7.30 9.36 K2V+F2 NL U 021542.55+674020.3

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