17158-3403 B 904 (HD 155890)
17h 15m 50.89s -34° 02' 51.9" P.A. 293.00 sep 2.5 mag 9.34,11.50 Sp B5V
| Coord 2000 |
17158-3403 |
|
Discov num |
B 904 |
|
Comp |
|
|
Coord arcsec 2000 |
17 15 50.89 -34 02 51.9 |
|
| Date first |
1927 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
294 |
|
Pa last |
293.4 |
|
P.A. Now (θ) |
293.4° |
|
| Sep first |
2.4 |
|
Sep last |
2.511 |
|
Sep. Now (ρ) |
2.511" |
|
| Mag pri |
9.34 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
2.16 |
|
Spectral class |
B5V (blue-white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 155890 |
|
Constellation |
Scorpius |
|
SAO |
208603 |
|
Tycho2 |
7370-00069-1 |
|
| Gaia DR2 |
5978771806641751424 |
|
HD |
155890 |
|
