20453+1715 GWP2993

 
 
20h 45m 20.72s +17 15' 16.7" P.A. 103 sep 10.2 mag 11.40,16.80
 
 
Coord 2000
20453+1715
Discov num
GWP2993
Comp
Coord arcsec 2000
20 45 20.72 +17 15 16.7
Date first
1990
Date last
1990
Obs
1
Pa first
103
Pa last
103
P.A. Now (θ)
103°
Sep first
10.2
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
11.40
Mag sec
16.80
delta mag (ΔM)
5.4
Spectral class
Pri motion ra
+064
Sec motion ra
+066
Pri motion dec
-024
Sec motion dec
-024
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
103.4
Precise sep
10.2
Constellation
Delphinus
last precise pa
103.4
last precise sep
10.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20453+1715 GWP2993 1990 1 103 10.2 11.40 16.80 V R 204520.72+171516.7

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