20253-3052 TDT 2257
20h 25m 20.20s -30° 51' 43.8" P.A. 261.00 sep 0.5 mag 11.20,11.34
| Coord 2000 |
20253-3052 |
|
Discov num |
TDT2257 |
|
Comp |
|
|
Coord arcsec 2000 |
20 25 20.20 -30 51 43.8 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
261 |
|
Pa last |
261.4 |
|
P.A. Now (θ) |
261.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.5 |
|
Sep. Now (ρ) |
0.5" |
|
| Mag pri |
11.20 |
|
Mag sec |
11.34 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
|
|
| Pri motion ra |
-050 |
|
Sec motion ra |
-050 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-021 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
7455-00813-1 |
|
Gaia DR2 |
6796427481225927296 |
|
