20222+1623 STF 2670 BC

 
 
20h 22m 13.33s +16° 22' 22.8" P.A. 77.00 sep 15.9 mag 9.19,10.60 Sp A5 dist. 69.44 pc (226.51 l.y.)
 
 
Coord 2000 20222+1623 Discov num STF2670 Comp BC Coord arcsec 2000 20 22 13.33 +16 22 22.8
Date first 1829 Date last 2019 Obs 29
Pa first 78 Pa last 76.6 P.A. Now (θ) 76.6°
Sep first 16.5 Sep last 15.893 Sep. Now (ρ) 15.893"
Mag pri 9.19 Mag sec 10.60 delta mag (ΔM) 1.41 Spectral class A5 (white)
Pri motion ra +001 Sec motion ra -005
Pri motion dec +004 Sec motion dec +000
Notes U (Proper motion indicates non-physical)
rPM=1.442
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 HIP 100451 Tycho2 1631-01689-1 Gaia DR2 1808808571723073152
BD BD+15 4143 Distance 69.44 Distance ly 226.51