20222+1623 ABH 139AD

 
 
20h 22m 12.39s +16 22' 49.4" P.A. 143 sep 93 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
143
P.A. Now (θ)
143°
Sep first
93.7
Sep last
93.0
Sep. Now (ρ)
93"
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_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
142.5
Precise sep
93.02
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 ABH 139 AD 1999 6 142 92.5 8.99 12.19 A8V D 202212.39+162249.4
20222+1623 ABH 139 AD 2001 8 142 92.7 8.99 12.19 A8V UD 202212.39+162249.4
20222+1623 ABH 139 AD 2013 9 143 92.3 8.99 11.67 A8V U 202212.39+162249.4
20222+1623 ABH 139 AD 2016 10 143 93.0 8.99 11.67 A8V U 202212.39+162249.4

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