WDS 19127+2435 HDS 2720 Aa,Ab : NOTES
 
 
discov_num notes refcode
A 264 Despite having an orbit, an optical pair based on parallax. Mlk2022
MAD 7 AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
AC: Rectilinear solution by Hurowitz et al. (2014). USN2014b
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Mlk2022 not - Chulkov, D. & Malkov, O. 2022MNRAS.517.2925C
Mlk2022 MNRAS 517, 2925, 2022
USN2014b lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.183....1H
USN2014b Inf. Circ. 183, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
312 HDS Hipparcos Double Star (from additional DD list)
312 MAD Beer & Maedler
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19127+2435 HDS2720 Aa,Ab 1991 1 100 0.2 8.57 9.64 F5 191242.40+243436.4
19127+2435 HDS2720 Aa,Ab 2018 2 85 0.2 8.57 9.64 F5 N 191242.44+243436.3

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