21571-3847 RST 2189
21h 57m 07.82s -38° 47' 15.5" P.A. 201.00 sep 0.8 mag 10.20,11.60
| Coord 2000 |
21571-3847 |
|
Discov num |
RST2189 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 07.82 -38 47 15.5 |
|
| Date first |
1934 |
|
Date last |
1945 |
|
Obs |
2 |
|
| Pa first |
203 |
|
Pa last |
201.3 |
|
P.A. Now (θ) |
201.3° |
|
| Sep first |
0.8 |
|
Sep last |
0.76 |
|
Sep. Now (ρ) |
0.76" |
|
| Mag pri |
10.20 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
|
|
| Pri motion ra |
+090 |
|
Sec motion ra |
|
|
| Pri motion dec |
-071 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Grus |
|
Tycho2 |
7982-00492-1 |
|
Gaia DR2 |
6574499644796058240 |
|
