17586-2556 B 2847 (HD 163705)
17h 58m 34.78s -25° 55' 45.7" P.A. 97.00 sep 9.2 mag 9.68,12.20 Sp A9V
| Coord 2000 |
17586-2556 |
|
Discov num |
B 2847 |
|
Comp |
|
|
Coord arcsec 2000 |
17 58 34.78 -25 55 45.7 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
123 |
|
Pa last |
97.4 |
|
P.A. Now (θ) |
97.4° |
|
| Sep first |
8.5 |
|
Sep last |
9.188 |
|
Sep. Now (ρ) |
9.188" |
|
| Mag pri |
9.68 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-043 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.749
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 163705 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6845-00942-1 |
|
Gaia DR2 |
4064278765694630400 |
|
| HD |
163705 |
|