17303-4412 I 1005 AB (HD 158239)
17h 30m 15.41s -44° 11' 47.9" P.A. 94.00 sep 2.6 mag 9.60,10.56 Sp B9III
Coord 2000 |
17303-4412 |
|
Discov num |
I 1005 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 30 15.41 -44 11 47.9 |
|
Date first |
1910 |
|
Date last |
1999 |
|
Obs |
9 |
|
Pa first |
100 |
|
Pa last |
94.2 |
|
P.A. Now (θ) |
94.2° |
|
Sep first |
2.8 |
|
Sep last |
2.64 |
|
Sep. Now (ρ) |
2.64" |
|
Mag pri |
9.60 |
|
Mag sec |
10.56 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
B9III (blue-white) |
|
Pri motion ra |
-027 |
|
Sec motion ra |
+014 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
+005 |
|
Notes |
|
|
rPM=1.538
This double is not physical.
17303-4412 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 158239 |
228042 |
17 30 15 -44 11 48 |
I 1005 AB |
1999 |
9 |
94 |
2.6 |
9.60 |
10.56 |
0.96 |
|
<=== |
Show |
|
228042 |
17 30 15 -44 11 48 |
I 1005 AC |
2015 |
4 |
101 |
32.8 |
9.60 |
13.49 |
3.89 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 158239 |
|
Constellation |
Scorpius |
|
SAO |
228042 |
|
Tycho2 |
7896-02798-1 |
|
Gaia DR2 |
5952539108474285440 |
|
HD |
158239 |
|
DM |
CP-44 8547 |
|