17189-3221 I 590 (HD 156424)
17h 18m 54.54s -32° 20' 44.9" P.A. 22.00 sep 0.8 mag 9.24,9.76 Sp B2Ib/II
Coord 2000 |
17189-3221 |
|
Discov num |
I 590 |
|
Comp |
|
|
Coord arcsec 2000 |
17 18 54.54 -32 20 44.9 |
|
Date first |
1909 |
|
Date last |
1992 |
|
Obs |
12 |
|
Pa first |
20 |
|
Pa last |
21.5 |
|
P.A. Now (θ) |
21.5° |
|
Sep first |
0.6 |
|
Sep last |
0.792 |
|
Sep. Now (ρ) |
0.792" |
|
Mag pri |
9.24 |
|
Mag sec |
9.76 |
|
delta mag (ΔM) |
0.52 |
|
Spectral class |
B2Ib/II (blue-white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156424 |
|
Constellation |
Scorpius |
|
SAO |
208672 |
|
Tycho2 |
7366-00069-1 |
|
Gaia DR2 |
5979585479606022400 |
|
HD |
156424 |
|