17232-3946 WG 206 AB (HD 157128)
17h 23m 17.64s -39° 46' 07.6" P.A. 147.00 sep 4.8 mag 10.10,10.20 Sp B9III/IV
Coord 2000 |
17232-3946 |
|
Discov num |
WG 206 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 23 17.64 -39 46 07.6 |
|
Date first |
1903 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
151 |
|
Pa last |
147 |
|
P.A. Now (θ) |
147° |
|
Sep first |
4.6 |
|
Sep last |
4.751 |
|
Sep. Now (ρ) |
4.751" |
|
Mag pri |
10.10 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
B9III/IV (blue-white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
+042 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-065 |
|
Notes |
|
|
rPM=1.04
This double is not physical.
17232-3946 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 157128 |
|
17 23 18 -39 46 08 |
WG 206 AB |
2015 |
8 |
147 |
4.8 |
10.10 |
10.20 |
0.10 |
|
<=== |
Show |
|
|
17 23 18 -39 46 08 |
SHT 31 AC |
2015 |
4 |
265 |
13.1 |
10.10 |
15.50 |
5.40 |
|
|
Show |
|
|
17 23 18 -39 46 08 |
SHT 31 AD |
2015 |
4 |
292 |
23.9 |
10.10 |
14.50 |
4.40 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 157128 |
|
Constellation |
Scorpius |
|
Tycho2 |
7887-02155-1 |
|
Gaia DR2 |
5960365711459170944 |
|
HD |
157128 |
|