17210-4206 HDS 2450
17h 21m 02.32s -42° 06' 08.5" P.A. 31.00 sep 0.7 mag 8.80,12.99 Sp B9III/IV dist. 324.68 pc (1059.11 l.y.)
| Coord 2000 |
17210-4206 |
|
Discov num |
HDS2450 |
|
Comp |
|
|
Coord arcsec 2000 |
17 21 02.32 -42 06 08.5 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
2 |
|
| Pa first |
31 |
|
Pa last |
31.3 |
|
P.A. Now (θ) |
31.3° |
|
| Sep first |
0.7 |
|
Sep last |
0.732 |
|
Sep. Now (ρ) |
0.732" |
|
| Mag pri |
8.80 |
|
Mag sec |
12.99 |
|
delta mag (ΔM) |
4.19 |
|
Spectral class |
B9III/IV (blue-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
SAO |
227850 |
|
HIP |
84897 |
|
Tycho2 |
7891-01668-1 |
|
| Gaia DR2 |
5959518675185698944 |
|
HD |
156706 |
|
CD |
CD-4111502 |
|
CP |
CP-41 7949 |
|
| Distance |
324.68 |
|
Distance ly |
1059.11 |
|