21153+3051 GRV 439
21h 15m 22.63s +30° 51' 18.7" P.A. 127.00 sep 21.5 mag 10.20,13.10
| Coord 2000 |
21153+3051 |
|
Discov num |
GRV 439 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 22.63 +30 51 18.7 |
|
| Date first |
1900 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
130 |
|
Pa last |
127 |
|
P.A. Now (θ) |
127° |
|
| Sep first |
21.0 |
|
Sep last |
21.496 |
|
Sep. Now (ρ) |
21.496" |
|
| Mag pri |
10.20 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
2.9 |
|
Spectral class |
|
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-018 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-027 |
|
| Notes |
|
|
rPM=0.154 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2702-02343-1 |
|
Gaia DR2 |
1852066451535769344 |
|
