20577+1846 GWP 3022
20h 57m 39.80s +18° 45' 56.2" P.A. 108.00 sep 5.7 mag 18.10,18.20
| Coord 2000 |
20577+1846 |
|
Discov num |
GWP3022 |
|
Comp |
|
|
Coord arcsec 2000 |
20 57 39.80 +18 45 56.2 |
|
| Date first |
1992 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
108 |
|
Pa last |
107.5 |
|
P.A. Now (θ) |
107.5° |
|
| Sep first |
4.9 |
|
Sep last |
5.7 |
|
Sep. Now (ρ) |
5.7" |
|
| Mag pri |
18.10 |
|
Mag sec |
18.20 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+012 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-054 |
|
Sec motion dec |
-054 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.145 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1765359686122680832 |
|