20188+2849 J  3073

 
 
20h 18m 41.11s +28 48' 20.5" P.A. 17 sep 4.5 mag 11.60,11.90
 
 
Coord 2000
20188+2849
Discov num
J  3073
Comp
Coord arcsec 2000
20 18 41.11 +28 48 20.5
Date first
1944
Date last
2015
Obs
6
Pa first
20
Pa last
17
P.A. Now (θ)
17°
Sep first
3.0
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
11.60
Mag sec
11.90
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+002
Sec motion ra
+027
Pri motion dec
-012
Sec motion dec
+012
Notes
rPM=1.173
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.8
Precise sep
4.45
Constellation
Vulpecula
Gaia DR2
22341455744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+2849 J 3073 1944 1 20 3.0 11.60 11.90 201807.50+284900.0
20188+2849 J 3073 2000 3 17 4.4 11.60 11.90 D 201841.11+284820.5
20188+2849 J 3073 2002 4 16 4.5 11.60 11.90 D 201841.11+284820.5
20188+2849 J 3073 2015 7 17 4.5 11.60 11.90 201841.11+284820.5

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