21578-4024 CRU 9031
21h 57m 49.42s -40° 24' 05.8" P.A. 69.00 sep 84.9 mag 10.50,11.40
| Coord 2000 |
21578-4024 |
|
Discov num |
CRU9031 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 49.42 -40 24 05.8 |
|
| Date first |
1879 |
|
Date last |
2010 |
|
Obs |
5 |
|
| Pa first |
70 |
|
Pa last |
68.8 |
|
P.A. Now (θ) |
68.8° |
|
| Sep first |
72.9 |
|
Sep last |
84.94 |
|
Sep. Now (ρ) |
84.94" |
|
| Mag pri |
10.50 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
| Pri motion ra |
-056 |
|
Sec motion ra |
+020 |
|
| Pri motion dec |
-022 |
|
Sec motion dec |
+015 |
|
| Notes |
|
|
rPM=1.405
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Grus |
|
Tycho2 |
7986-00375-1 |
|
Gaia DR2 |
6572655596295432448 |
|
