21173-5758 NSN 447
21h 17m 19.38s -57° 57' 59.4" P.A. 123.00 sep 6.9 mag 15.44,15.95
| Coord 2000 |
21173-5758 |
|
Discov num |
NSN 447 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 19.38 -57 57 59.4 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
123 |
|
Pa last |
123.1 |
|
P.A. Now (θ) |
123.1° |
|
| Sep first |
6.8 |
|
Sep last |
6.927 |
|
Sep. Now (ρ) |
6.927" |
|
| Mag pri |
15.44 |
|
Mag sec |
15.95 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
|
|
| Pri motion ra |
-049 |
|
Sec motion ra |
-050 |
|
| Pri motion dec |
-300 |
|
Sec motion dec |
-300 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.003 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
