20123+3451 AG 249 AC

 
 
20h 12m 18.31s +34° 51' 10.7" P.A. 30.00 sep 13.0 mag 7.96,14.00 Sp K2V dist. 531.91 pc (1735.09 l.y.)
 
 
Coord 2000 20123+3451 Discov num AG  249 Comp AC Coord arcsec 2000 20 12 18.31 +34 51 10.7
Date first 1902 Date last 2015 Obs 7
Pa first 35 Pa last 29.8 P.A. Now (θ) 29.8°
Sep first 13.0 Sep last 12.955 Sep. Now (ρ) 12.955"
Mag pri 7.96 Mag sec 14.00 delta mag (ΔM) 6.04 Spectral class K2V (yellow-orange)
Pri motion ra +016 Sec motion ra -002
Pri motion dec -007 Sec motion dec -002
Notes W
rPM=1.07
This double is not physical.
 
 
20123+3451 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192164 69595 20 12 18 +34 51 11 AG 249 AB 2015 17 133 32.9 7.96 10.78 2.82
Show 69595 20 12 18 +34 51 11 AG 249 AC 2015 7 30 13.0 7.96 14.00 6.04 <===
Show 20 12 19 +34 51 22 AG 249 CD 2015 6 352 6.3 14.00 13.80 0.20
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69595 HIP 99562 Tycho2 2679-02011-1
Gaia DR2 2055751122339016064 HD 192164 BD BD+34 3910 Distance 531.91
Distance ly 1735.09