20310+2054 GCB 55
20h 30m 54.66s +20° 55' 11.3" P.A. 149.00 sep 6.7 mag 11.80,11.90
| Coord 2000 |
20310+2054 |
|
Discov num |
GCB 55 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 54.66 +20 55 11.3 |
|
| Date first |
1930 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
145 |
|
Pa last |
148.6 |
|
P.A. Now (θ) |
148.6° |
|
| Sep first |
5.2 |
|
Sep last |
6.74 |
|
Sep. Now (ρ) |
6.74" |
|
| Mag pri |
11.80 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-016 |
|
| Notes |
N
(See Notes) |
|
rPM=0.885
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1816844940869565440 |
|
