21057+2912 GRV 416
21h 05m 42.29s +29° 12' 27.5" P.A. 137.00 sep 38.2 mag 12.60,14.25
| Coord 2000 |
21057+2912 |
|
Discov num |
GRV 416 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 42.29 +29 12 27.5 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
137 |
|
Pa last |
137 |
|
P.A. Now (θ) |
137° |
|
| Sep first |
38.2 |
|
Sep last |
38.24 |
|
Sep. Now (ρ) |
38.24" |
|
| Mag pri |
12.60 |
|
Mag sec |
14.25 |
|
delta mag (ΔM) |
1.65 |
|
Spectral class |
|
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=0.253 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1852138778782133248 |
|
