20020+3840 A 1411 AB (HD 190131)

 
 
20h 01m 59.20s +38 39' 55.4" P.A. 204.00 sep 1.3 mag 8.59,12.30 Sp A3V
 
 
Coord 2000 20020+3840 Discov num A  1411 Comp AB Coord arcsec 2000 20 01 59.20 +38 39 55.4
Date first 1906 Date last 2016 Obs 9
Pa first 204 Pa last 203.8 P.A. Now (θ) 203.8°
Sep first 1.1 Sep last 1.318 Sep. Now (ρ) 1.318"
Mag pri 8.59 Mag sec 12.30 delta mag (ΔM) 3.71 Spectral class A3V (white)
Pri motion ra +002 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20020+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 190131 69289 20 01 59 +38 39 55 A 1411 AB 2016 9 204 1.3 8.59 12.30 3.71 <===
Show 69289 20 01 59 +38 39 55 A 1411 AC 2015 5 208 10.2 8.59 13.40 4.81
Show 69289 20 01 59 +38 39 55 A 1411 AD 2015 5 116 22.7 8.59 13.60 5.01
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190131 Constellation Cygnus SAO 69289 Tycho2 3150-01983-1
Gaia DR2 2072415011337665408 HD 190131