20424-3031 H N 101 AB
20h 42m 22.51s -30° 30' 57.2" P.A. 334.00 sep 25.9 mag 9.67,9.85
| Coord 2000 |
20424-3031 |
|
Discov num |
H N 101 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 42 22.51 -30 30 57.2 |
|
| Date first |
1834 |
|
Date last |
2015 |
|
Obs |
21 |
|
| Pa first |
318 |
|
Pa last |
333.9 |
|
P.A. Now (θ) |
333.9° |
|
| Sep first |
15.0 |
|
Sep last |
25.854 |
|
Sep. Now (ρ) |
25.854" |
|
| Mag pri |
9.67 |
|
Mag sec |
9.85 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
|
|
| Pri motion ra |
-012 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-042 |
|
Sec motion dec |
-003 |
|
| Notes |
N
L
W
(See Notes, Linear solution, ) |
|
rPM=0.911
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Microscopium |
|
Tycho2 |
7457-00424-1 |
|
