20222+1623 GUI  31AC

 
 
20h 22m 12.39s +16 22' 49.4" P.A. 129 sep 37 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
P.A. Now (θ)
129°
Sep first
38.0
Sep last
37.0
Sep. Now (ρ)
37"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20222+1623 STF2670 AB 1829 2016 41 154 30.0 8.99 9.19 0.20
Show 20222+1623 GUI 31 AC 1892 2016 21 129 37.0 8.99 10.60 1.61 <===
Show 20222+1623 ABH 139 AD 1900 2016 15 143 93.0 8.99 11.67 2.68
Show 20222+1623 STF2670 BC 1829 2016 28 78 15.6 9.19 10.60 1.41
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.4
Precise sep
36.99
Constellation
Delphinus
SAO
106029
HIP
100446
Tycho2
1631-02374-1
Gaia DR2
27052705280
HD
355469
BD
BD+15 4142
Distance
934.58
Distance ly
3048.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20222+1623 GUI 31 AC 1999 11 129 36.7 8.99 10.60 A8V D 202212.39+162249.4
20222+1623 GUI 31 AC 2010 13 128 36.1 8.99 10.60 A8V D 202212.39+162249.4
20222+1623 GUI 31 AC 2013 15 129 36.7 8.99 10.60 A8V 202212.39+162249.4
20222+1623 GUI 31 AC 2016 16 129 37.0 8.99 10.60 A8V 202212.39+162249.4

If you need more information about this double, apply for a data request form to the WDS.