21509-4052 CRU 2 AC
21h 50m 56.33s -40° 51' 57.1" P.A. 48.00 sep 58.4 mag 9.90,12.07 Sp G3V
| Coord 2000 |
21509-4052 |
|
Discov num |
CRU 2 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 50 56.33 -40 51 57.1 |
|
| Date first |
1879 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
41 |
|
Pa last |
48 |
|
P.A. Now (θ) |
48° |
|
| Sep first |
38.5 |
|
Sep last |
58.389 |
|
Sep. Now (ρ) |
58.389" |
|
| Mag pri |
9.90 |
|
Mag sec |
12.07 |
|
delta mag (ΔM) |
2.17 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
-101 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
-054 |
|
Sec motion dec |
-012 |
|
| Notes |
N
(See Notes) |
|
rPM=0.875
This double is not physical.
21509-4052 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 207572 |
230866 |
21 50 56 -40 51 57 |
CRU 2 AB |
2016 |
12 |
307 |
23.2 |
9.90 |
11.44 |
1.54 |
|
|
| Show |
|
230866 |
21 50 56 -40 51 57 |
CRU 2 AC |
2015 |
11 |
48 |
58.4 |
9.90 |
12.07 |
2.17 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Grus |
|
SAO |
230866 |
|
Tycho2 |
7986-00682-1 |
|
Gaia DR2 |
6572408034379183744 |
|
| HD |
207572 |
|
