20256+3245 GRV 340

 
 
20h 25m 39.28s +32 45' 01.9" P.A. 189 sep 31.7 mag 12.30,13.40
 
 
Coord 2000
20256+3245
Discov num
GRV 340
Comp
Coord arcsec 2000
20 25 39.28 +32 45 01.9
Date first
1999
Date last
2015
Obs
8
Pa first
189
Pa last
189
P.A. Now (θ)
189°
Sep first
31.8
Sep last
31.7
Sep. Now (ρ)
31.7"
Mag pri
12.30
Mag sec
13.40
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-011
Sec motion ra
-016
Pri motion dec
-015
Sec motion dec
-015
Notes
rPM=0.228 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.1
Precise sep
31.725
Constellation
Cygnus
Tycho2
2689-01542-1
Gaia DR2
19054006016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20256+3245 GRV 340 2000 2 189 31.8 12.30 13.40 D 202539.28+324501.9
20256+3245 GRV 340 2002 3 189 31.8 12.30 13.40 D 202539.28+324501.9
20256+3245 GRV 340 2010 3 190 31.3 12.30 13.40 202539.28+324501.9
20256+3245 GRV 340 2015 4 189 31.7 12.30 13.40 202539.28+324501.9

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