20151+1000 GWP2931

 
 
20h 15m 06.31s +09 59' 42.4" P.A. 50 sep 29 mag 13.00,17.10
 
 
Coord 2000
20151+1000
Discov num
GWP2931
Comp
Coord arcsec 2000
20 15 06.31 +09 59 42.4
Date first
1990
Date last
2010
Obs
3
Pa first
50
Pa last
50
P.A. Now (θ)
50°
Sep first
29.4
Sep last
29.0
Sep. Now (ρ)
29"
Mag pri
13.00
Mag sec
17.10
delta mag (ΔM)
4.1
Spectral class
Pri motion ra
-026
Sec motion ra
-020
Pri motion dec
-054
Sec motion dec
-058
Notes
V (Proper motion indicates physical)
rPM=0.118 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.2
Precise sep
29.01
Cdsa2 id
GWP 2931
Constellation
Delphinus
Ra deg
20.251752777777778
De deg
9.995111111111111
last precise pa
50.2
last precise sep
29.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20151+1000 GWP2931 2000 2 50 29.1 13.00 17.10 V 201506.31+095942.4
20151+1000 GWP2931 2010 3 50 29.0 13.00 17.10 V 201506.31+095942.4

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