21048-4650 NSN 454
21h 04m 47.84s -46° 50' 20.4" P.A. 7.00 sep 9.1 mag 16.13,16.97
| Coord 2000 |
21048-4650 |
|
Discov num |
NSN 454 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 47.84 -46 50 20.4 |
|
| Date first |
1987 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
9 |
|
Pa last |
7.2 |
|
P.A. Now (θ) |
7.2° |
|
| Sep first |
9.5 |
|
Sep last |
9.13 |
|
Sep. Now (ρ) |
9.13" |
|
| Mag pri |
16.13 |
|
Mag sec |
16.97 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
|
|
| Pri motion ra |
-062 |
|
Sec motion ra |
-064 |
|
| Pri motion dec |
-142 |
|
Sec motion dec |
-144 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.018 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
