20222+1623 ABH 139 AD

20h 22m 12.39s +16° 22' 49.4" P.A. 143.00 sep 93.0 mag 8.99,11.67 Sp A8V dist. 934.58 pc (3048.6 l.y.)

Coord 2000 20222+1623 Discov num ABH 139 Comp AD Coord arcsec 2000 20 22 12.39 +16 22 49.4
Date first 1900 Date last 2016 Obs 15
Pa first 142 Pa last 142.5 P.A. Now (θ) 142.5°
Sep first 93.7 Sep last 93.02 Sep. Now (ρ) 93.02"
Mag pri 8.99 Mag sec 11.67 delta mag (ΔM) 2.68 Spectral class A8V (white)
Pri motion ra +011 Sec motion ra -010
Pri motion dec +000 Sec motion dec +001
Notes U (Proper motion indicates non-physical)




rPM=1.911

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