12181-5531 B 9017 AC
12h 18m 03.77s -55° 31' 24.5" sep 13.3 mag 9.94,13.40 Sp A2IV
| Coord 2000 |
12181-5531 |
|
Discov num |
B 9017 |
|
Comp |
AC |
|
Coord arcsec 2000 |
12 18 03.77 -55 31 24.5 |
|
| Date first |
1943 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
357 |
|
Pa last |
0.4 |
|
P.A. Now (θ) |
0.4° |
|
| Sep first |
13.0 |
|
Sep last |
13.345 |
|
Sep. Now (ρ) |
13.345" |
|
| Mag pri |
9.94 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
3.46 |
|
Spectral class |
A2IV (white) |
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=0.78
Nature of this double is uncertain.
12181-5531 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 106941 |
239821 |
12 18 04 -55 31 24 |
HJ 4511 AB |
2018 |
17 |
296 |
8.9 |
9.94 |
10.66 |
0.72 |
|
|
| Show |
|
239821 |
12 18 04 -55 31 24 |
B 9017 AC |
2015 |
4 |
0 |
13.3 |
9.94 |
13.40 |
3.46 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Centaurus |
|
SAO |
239821 |
|
Tycho2 |
8637-02141-1 |
|
Gaia DR2 |
6075932629844860288 |
|
| HD |
106941 |
|
