21571-5105 TDT 3257
21h 57m 05.38s -51° 04' 47.4" P.A. 311.00 sep 2.1 mag 12.55,12.64
| Coord 2000 |
21571-5105 |
|
Discov num |
TDT3257 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 05.38 -51 04 47.4 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
300 |
|
Pa last |
311.4 |
|
P.A. Now (θ) |
311.4° |
|
| Sep first |
2.5 |
|
Sep last |
2.115 |
|
Sep. Now (ρ) |
2.115" |
|
| Mag pri |
12.55 |
|
Mag sec |
12.64 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
|
|
| Pri motion ra |
+040 |
|
Sec motion ra |
+040 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Indus |
|
Tycho2 |
8443-01413-1 |
|
Gaia DR2 |
6558185645315420416 |
|
