20453+1715 GWP 2993
20h 45m 20.72s +17° 15' 16.7" P.A. 104.00 sep 11.1 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 |
2018 |
|
Obs |
7 |
|
Pa first |
103 |
|
Pa last |
104.4 |
|
P.A. Now (θ) |
104.4° |
|
Sep first |
10.2 |
|
Sep last |
11.05 |
|
Sep. Now (ρ) |
11.05" |
|
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
Constellation |
Delphinus |
|
Gaia DR2 |
1811277254499534976 |
|