20478+3944 GRV 381
20h 47m 49.53s +39° 44' 47.3" P.A. 340.00 sep 35.8 mag 11.62,11.46
Coord 2000 |
20478+3944 |
|
Discov num |
GRV 381 |
|
Comp |
|
|
Coord arcsec 2000 |
20 47 49.53 +39 44 47.3 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
341 |
|
Pa last |
339.5 |
|
P.A. Now (θ) |
339.5° |
|
Sep first |
35.9 |
|
Sep last |
35.752 |
|
Sep. Now (ρ) |
35.752" |
|
Mag pri |
11.62 |
|
Mag sec |
11.46 |
|
delta mag (ΔM) |
0.16 |
|
Spectral class |
|
|
Pri motion ra |
-009 |
|
Sec motion ra |
-011 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-013 |
|
Notes |
S
(Parallax indidates non-physical) |
|
rPM=0.212 (< 0.3, Physical double)
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3170-00844-1 |
|
Gaia DR2 |
2065024987507410688 |
|