21470+2930 GRV 503
21h 47m 01.50s +29° 30' 46.5" P.A. 331.00 sep 20.4 mag 11.29,11.30 Sp G0+F1
| Coord 2000 |
21470+2930 |
|
Discov num |
GRV 503 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 01.50 +29 30 46.5 |
|
| Date first |
1894 |
|
Date last |
2016 |
|
Obs |
16 |
|
| Pa first |
331 |
|
Pa last |
330.9 |
|
P.A. Now (θ) |
330.9° |
|
| Sep first |
20.2 |
|
Sep last |
20.384 |
|
Sep. Now (ρ) |
20.384" |
|
| Mag pri |
11.29 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
G0+F1 (yellow/yellow-white) |
|
| Pri motion ra |
-023 |
|
Sec motion ra |
-023 |
|
| Pri motion dec |
-022 |
|
Sec motion dec |
-023 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.031 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2214-00603-1 |
|
Gaia DR2 |
1897440689367972096 |
|
