20222+1623 GUI 31 AC

 
 
20h 22m 12.39s +16 22' 49.4" P.A. 129.00 sep 37.0 mag 8.99,10.60 Sp A8V dist. 934.58 pc (3048.6 l.y.)
 
 
Coord 2000 20222+1623 Discov num GUI  31 Comp AC Coord arcsec 2000 20 22 12.39 +16 22 49.4
Date first 1892 Date last 2016 Obs 21
Pa first 127 Pa last 129.4 P.A. Now (θ) 129.4°
Sep first 38.0 Sep last 36.99 Sep. Now (ρ) 36.99"
Mag pri 8.99 Mag sec 10.60 delta mag (ΔM) 1.61 Spectral class A8V (white)
Pri motion ra +011 Sec motion ra -005
Pri motion dec +000 Sec motion dec +000
Notes
rPM=1.455
This double is not physical.
 
 
20222+1623 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 355469 106029 20 22 12 +16 22 49 STF 2670 AB 2019 42 153 30.0 8.99 9.19 0.20
Show 106029 20 22 12 +16 22 49 GUI 31 AC 2016 21 129 37.0 8.99 10.60 1.61 <===
Show 106029 20 22 12 +16 22 49 ABH 139 AD 2016 15 143 93.0 8.99 11.67 2.68
Show 20 22 13 +16 22 23 STF 2670 BC 2019 29 77 15.9 9.19 10.60 1.41
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 106029 HIP 100446 Tycho2 1631-02374-1
Gaia DR2 1808820327052705280 HD 355469 BD BD+15 4142 Distance 934.58
Distance ly 3048.6