21257+2058 J 3138
21h 25m 45.40s +20° 58' 54.1" P.A. 256.00 sep 3.2 mag 12.50,13.20
| Coord 2000 |
21257+2058 |
|
Discov num |
J 3138 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 45.40 +20 58 54.1 |
|
| Date first |
1944 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
245 |
|
Pa last |
256.2 |
|
P.A. Now (θ) |
256.2° |
|
| Sep first |
3.0 |
|
Sep last |
3.17 |
|
Sep. Now (ρ) |
3.17" |
|
| Mag pri |
12.50 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
-016 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1790437347327196032 |
|
