20494+4458 GRV 384
20h 49m 25.63s +44° 58' 20.1" P.A. 222.00 sep 22.1 mag 10.71,11.45
| Coord 2000 |
20494+4458 |
|
Discov num |
GRV 384 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 25.63 +44 58 20.1 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
223 |
|
Pa last |
221.8 |
|
P.A. Now (θ) |
221.8° |
|
| Sep first |
21.8 |
|
Sep last |
22.136 |
|
Sep. Now (ρ) |
22.136" |
|
| Mag pri |
10.71 |
|
Mag sec |
11.45 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
|
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
-029 |
|
Sec motion dec |
-031 |
|
| Notes |
|
|
rPM=0.088 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3178-00020-1 |
|
Gaia DR2 |
2163214296442976000 |
|
