12540-6050 TOB 128 AB (HD 312122)
12h 54m 00.49s -60° 49' 41.7" P.A. 10.00 sep 15.0 mag 10.54,11.16 Sp A
Coord 2000 |
12540-6050 |
|
Discov num |
TOB 128 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 54 00.49 -60 49 41.7 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
11 |
|
Pa last |
10.3 |
|
P.A. Now (θ) |
10.3° |
|
Sep first |
15.9 |
|
Sep last |
15.015 |
|
Sep. Now (ρ) |
15.015" |
|
Mag pri |
10.54 |
|
Mag sec |
11.16 |
|
delta mag (ΔM) |
0.62 |
|
Spectral class |
A (white) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=0.711
Nature of this double is uncertain.
12540-6050 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
12 54 00 -60 49 42 |
TDS 8574 Aa,Ab |
1991 |
1 |
230 |
0.5 |
11.15 |
11.34 |
0.19 |
|
|
Show |
HD 312122 |
|
12 54 00 -60 49 42 |
TOB 128 AB |
2015 |
9 |
10 |
15.0 |
10.54 |
11.16 |
0.62 |
|
<=== |
Show |
|
|
12 54 01 -60 49 27 |
DAM 586 BC |
2015 |
4 |
233 |
5.5 |
11.20 |
14.00 |
2.80 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 312122 |
|
Constellation |
Crux |
|
Tycho2 |
8989-01726-1 |
|
Gaia DR2 |
6055628979417352320 |
|
HD |
312122 |
|