17577+0426 BAR 44 (HD 163774)
17h 57m 43.92s +04° 26' 23.6" P.A. 68.00 sep 145.0 mag 8.83,10.60 Sp B9
| Coord 2000 |
17577+0426 |
|
Discov num |
BAR 44 |
|
Comp |
|
|
Coord arcsec 2000 |
17 57 43.92 +04 26 23.6 |
|
| Date first |
1916 |
|
Date last |
2019 |
|
Obs |
3 |
|
| Pa first |
69 |
|
Pa last |
67.8 |
|
P.A. Now (θ) |
67.8° |
|
| Sep first |
145.2 |
|
Sep last |
145 |
|
Sep. Now (ρ) |
145" |
|
| Mag pri |
8.83 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
1.77 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 163774 |
|
Constellation |
Ophiuchus |
|
SAO |
122963 |
|
Tycho2 |
0425-00616-1 |
|
| Gaia DR2 |
4472788906378566400 |
|
HD |
163774 |
|
