17223-3108 HDO 145 (HD 157057)
17h 22m 19.52s -31° 07' 54.9" P.A. 136.00 sep 6.0 mag 9.46,11.50 Sp B9III/IV
| Coord 2000 |
17223-3108 |
|
Discov num |
HDO 145 |
|
Comp |
|
|
Coord arcsec 2000 |
17 22 19.52 -31 07 54.9 |
|
| Date first |
1868 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
140 |
|
Pa last |
135.6 |
|
P.A. Now (θ) |
135.6° |
|
| Sep first |
5.3 |
|
Sep last |
5.985 |
|
Sep. Now (ρ) |
5.985" |
|
| Mag pri |
9.46 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
2.04 |
|
Spectral class |
B9III/IV (blue-white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157057 |
|
Constellation |
Scorpius |
|
SAO |
208735 |
|
Tycho2 |
7362-00020-1 |
|
| Gaia DR2 |
4058128819222611072 |
|
HD |
157057 |
|
