17317-4102 HLD 136 AB (HD 158531)
17h 31m 42.63s -41° 02' 22.6" P.A. 106.00 sep 1.1 mag 7.81,8.06 Sp B7/8IV: dist. 271 pc (884 l.y.)
| Coord 2000 |
17317-4102 |
|
Discov num |
HLD 136 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 31 42.63 -41 02 22.6 |
|
| Date first |
1882 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
95 |
|
Pa last |
106 |
|
P.A. Now (θ) |
106° |
|
| Sep first |
1.0 |
|
Sep last |
1.08 |
|
Sep. Now (ρ) |
1.08" |
|
| Mag pri |
7.81 |
|
Mag sec |
8.06 |
|
delta mag (ΔM) |
0.25 |
|
Spectral class |
B7/8IV: (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-016 |
|
Sec motion dec |
-016 |
|
| Notes |
|
|
Nature of this double is uncertain.
17317-4102 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 158531 |
228078 |
17 31 43 -41 02 23 |
HLD 136 AB |
2016 |
17 |
106 |
1.1 |
7.81 |
8.06 |
0.25 |
|
<=== |
| Show |
|
228078 |
17 31 43 -41 02 23 |
ARY 114 AC |
2018 |
13 |
251 |
64.9 |
7.81 |
8.50 |
0.69 |
|
|
| Show |
|
|
17 31 52 -41 04 17 |
ARY 114 DE |
2015 |
4 |
26 |
3.9 |
12.50 |
12.50 |
0.00 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 158531 |
|
Constellation |
Scorpius |
|
SAO |
228078 |
|
HIP |
85782 |
|
| Tycho2 |
7888-01275-1 |
|
Gaia DR2 |
5959329417414675712 |
|
HD |
158531 |
|
GC |
23714 |
|
| CD |
CD-4011553 |
|
CP |
CP-40 7886 |
|
Distance |
271 |
|
Distance ly |
884 |
|
