20301+0914 GRV 345

 
 
20h 30m 07.70s +09 14' 23.1" P.A. 215 sep 38.5 mag 12.25,13.19
 
 
Coord 2000
20301+0914
Discov num
GRV 345
Comp
Coord arcsec 2000
20 30 07.70 +09 14 23.1
Date first
2000
Date last
2015
Obs
7
Pa first
215
Pa last
215
P.A. Now (θ)
215°
Sep first
38.6
Sep last
38.5
Sep. Now (ρ)
38.5"
Mag pri
12.25
Mag sec
13.19
delta mag (ΔM)
0.94
Spectral class
Pri motion ra
-011
Sec motion ra
-007
Pri motion dec
-018
Sec motion dec
-017
Notes
rPM=0.195 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
214.7
Precise sep
38.503
Constellation
Delphinus
Tycho2
1087-00098-1
Gaia DR2
78174851584
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20301+0914 GRV 345 2000 2 215 38.6 11.90 12.70 D 203007.70+091423.1
20301+0914 GRV 345 2010 3 215 38.5 12.25 13.19 203007.70+091423.1
20301+0914 GRV 345 2015 4 215 38.5 12.25 13.19 203007.70+091423.1

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