17485-2237 DAW 30 (HD 161803)
17h 48m 30.83s -22° 37' 24.4" P.A. 131.00 sep 1.1 mag 10.89,11.04 Sp B7/9IV:
| Coord 2000 |
17485-2237 |
|
Discov num |
DAW 30 |
|
Comp |
|
|
Coord arcsec 2000 |
17 48 30.83 -22 37 24.4 |
|
| Date first |
1917 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
132 |
|
Pa last |
131.1 |
|
P.A. Now (θ) |
131.1° |
|
| Sep first |
1.0 |
|
Sep last |
1.068 |
|
Sep. Now (ρ) |
1.068" |
|
| Mag pri |
10.89 |
|
Mag sec |
11.04 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
B7/9IV: (blue-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 161803 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6828-00924-1 |
|
Gaia DR2 |
4068944715142914304 |
|
| HD |
161803 |
|
ADS |
10802 |
|
