17573-3847 RST 2008 (HD 163304)
17h 57m 17.31s -38° 46' 57.6" P.A. 167.00 sep 0.9 mag 7.68,10.60 Sp B7III dist. 203.25 pc (663 l.y.)
| Coord 2000 |
17573-3847 |
|
Discov num |
RST2008 |
|
Comp |
|
|
Coord arcsec 2000 |
17 57 17.31 -38 46 57.6 |
|
| Date first |
1935 |
|
Date last |
1991 |
|
Obs |
4 |
|
| Pa first |
172 |
|
Pa last |
167.4 |
|
P.A. Now (θ) |
167.4° |
|
| Sep first |
0.7 |
|
Sep last |
0.85 |
|
Sep. Now (ρ) |
0.85" |
|
| Mag pri |
7.68 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
2.92 |
|
Spectral class |
B7III (blue-white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.26 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 163304 |
|
Constellation |
Scorpius |
|
SAO |
209510 |
|
HIP |
87897 |
|
| Tycho2 |
7886-00900-1 |
|
Gaia DR2 |
4036525717896916608 |
|
HD |
163304 |
|
CD |
CD-3812331 |
|
| CP |
CP-38 7197 |
|
Distance |
203.25 |
|
Distance ly |
663 |
|
