21256+2957 J 3139
21h 25m 31.35s +29° 58' 57.9" P.A. 331.00 sep 6.7 mag 13.00,13.30
| Coord 2000 |
21256+2957 |
|
Discov num |
J 3139 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 31.35 +29 58 57.9 |
|
| Date first |
1944 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
335 |
|
Pa last |
331.3 |
|
P.A. Now (θ) |
331.3° |
|
| Sep first |
6.0 |
|
Sep last |
6.702 |
|
Sep. Now (ρ) |
6.702" |
|
| Mag pri |
13.00 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=1.124
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1850193330401001856 |
|
