20307+2826 GRV 347

 
 
20h 30m 44.21s +28 26' 47.5" P.A. 8 sep 22.4 mag 11.60,12.80
 
 
Coord 2000
20307+2826
Discov num
GRV 347
Comp
Coord arcsec 2000
20 30 44.21 +28 26 47.5
Date first
1999
Date last
2015
Obs
8
Pa first
8
Pa last
8
P.A. Now (θ)
Sep first
22.4
Sep last
22.4
Sep. Now (ρ)
22.4"
Mag pri
11.60
Mag sec
12.80
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
-020
Sec motion ra
-019
Pri motion dec
-024
Sec motion dec
-025
Notes
V (Proper motion indicates physical)
rPM=0.045 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.9
Precise sep
22.44
Constellation
Vulpecula
SAO
88776
Tycho2
2169-00937-1
Gaia DR2
03938326656
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20307+2826 GRV 347 2000 2 8 22.5 11.60 12.80 D 203044.21+282647.5
20307+2826 GRV 347 2002 3 8 22.4 11.60 12.80 D 203044.21+282647.5
20307+2826 GRV 347 2010 3 8 22.4 11.60 12.80 203044.21+282647.5
20307+2826 GRV 347 2015 4 8 22.4 11.60 12.80 V 203044.21+282647.5

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