17445+1900 STF 2206 (HD 161384)
17h 44m 32.13s +18° 59' 31.8" P.A. 248.00 sep 0.9 mag 8.83,9.82 Sp B9 dist. 584.8 pc (1907.62 l.y.)
| Coord 2000 |
17445+1900 |
|
Discov num |
STF2206 |
|
Comp |
|
|
Coord arcsec 2000 |
17 44 32.13 +18 59 31.8 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
32 |
|
| Pa first |
249 |
|
Pa last |
247.9 |
|
P.A. Now (θ) |
247.9° |
|
| Sep first |
1.1 |
|
Sep last |
0.9 |
|
Sep. Now (ρ) |
0.9" |
|
| Mag pri |
8.83 |
|
Mag sec |
9.82 |
|
delta mag (ΔM) |
0.99 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 161384 |
|
Constellation |
Hercules |
|
SAO |
103073 |
|
HIP |
86828 |
|
| Tycho2 |
1560-02235-1 |
|
Gaia DR2 |
4552077064979982720 |
|
HD |
161384 |
|
GC |
24081 |
|
| BD |
BD+19 3416 |
|
Distance |
584.8 |
|
Distance ly |
1907.62 |
|
