20123+2215 J  3057

 
 
20h 12m 31.72s +22 15' 15.3" P.A. 104 sep 6.7 mag 11.40,12.20
 
 
Coord 2000
20123+2215
Discov num
J  3057
Comp
Coord arcsec 2000
20 12 31.72 +22 15 15.3
Date first
1944
Date last
2016
Obs
15
Pa first
95
Pa last
104
P.A. Now (θ)
104°
Sep first
6.0
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
11.40
Mag sec
12.20
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-015
Sec motion ra
-002
Pri motion dec
-007
Sec motion dec
-016
Notes
U (Proper motion indicates non-physical)
rPM=0.955
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.2
Precise sep
6.703
Constellation
Vulpecula
Gaia DR2
02926086528
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+2215 J 3057 2006 3 105 6.4 10.00 10.80 201220.00+221500.0
20123+2215 J 3057 2008 5 104 6.7 10.00 10.80 D 201231.72+221515.3
20123+2215 J 3057 2016 8 104 6.7 11.40 12.20 201231.72+221515.3

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