21389+3058 TDT 3081
21h 38m 56.05s +30° 57' 46.4" P.A. 114.00 sep 0.8 mag 11.76,11.87
| Coord 2000 |
21389+3058 |
|
Discov num |
TDT3081 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 56.05 +30 57 46.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
114 |
|
Pa last |
114 |
|
P.A. Now (θ) |
114° |
|
| Sep first |
0.8 |
|
Sep last |
0.75 |
|
Sep. Now (ρ) |
0.75" |
|
| Mag pri |
11.76 |
|
Mag sec |
11.87 |
|
delta mag (ΔM) |
0.11 |
|
Spectral class |
|
|
| Pri motion ra |
+012 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2717-00050-1 |
|
Gaia DR2 |
1849836749328994432 |
|
