17221-2044 SEE 326 (HD 157091)
17h 22m 03.96s -20° 44' 29.2" P.A. 7.00 sep 0.9 mag 9.49,9.85 Sp B9.5IV/V
| Coord 2000 |
17221-2044 |
|
Discov num |
SEE 326 |
|
Comp |
|
|
Coord arcsec 2000 |
17 22 03.96 -20 44 29.2 |
|
| Date first |
1897 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
14 |
|
Pa last |
7.4 |
|
P.A. Now (θ) |
7.4° |
|
| Sep first |
0.6 |
|
Sep last |
0.86 |
|
Sep. Now (ρ) |
0.86" |
|
| Mag pri |
9.49 |
|
Mag sec |
9.85 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
B9.5IV/V (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157091 |
|
Constellation |
Ophiuchus |
|
SAO |
185323 |
|
Tycho2 |
6246-00184-1 |
|
| Gaia DR2 |
4121160144371320192 |
|
HD |
157091 |
|
