20401+1105 GWP2979

 
 
20h 40m 04.33s +11 05' 21.6" P.A. 215 sep 7.5 mag 17.30,19.30
 
 
Coord 2000
20401+1105
Discov num
GWP2979
Comp
Coord arcsec 2000
20 40 04.33 +11 05 21.6
Date first
1987
Date last
2015
Obs
4
Pa first
218
Pa last
215
P.A. Now (θ)
215°
Sep first
7.0
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
17.30
Mag sec
19.30
delta mag (ΔM)
2
Spectral class
Pri motion ra
-058
Sec motion ra
-048
Pri motion dec
-050
Sec motion dec
-040
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.185 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
215.2
Precise sep
7.478
Constellation
Delphinus
Gaia DR2
59448421248
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20401+1105 GWP2979 2000 2 215 7.4 17.30 19.30 V R 204004.33+110521.6
20401+1105 GWP2979 2010 3 217 7.0 17.30 19.30 V R 204004.33+110521.6
20401+1105 GWP2979 2015 4 215 7.5 17.30 19.30 V R 204004.33+110521.6

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