18273-2140 HU 239 (HD 169806)
18h 27m 19.77s -21° 39' 34.4" P.A. 185.00 sep 3.1 mag 10.45,10.60 Sp B9IV/V
Coord 2000 |
18273-2140 |
|
Discov num |
HU 239 |
|
Comp |
|
|
Coord arcsec 2000 |
18 27 19.77 -21 39 34.4 |
|
Date first |
1900 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
184 |
|
Pa last |
184.5 |
|
P.A. Now (θ) |
184.5° |
|
Sep first |
3.1 |
|
Sep last |
3.137 |
|
Sep. Now (ρ) |
3.137" |
|
Mag pri |
10.45 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
B9IV/V (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 169806 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6278-01698-1 |
|
Gaia DR2 |
4090278195638844800 |
|
HD |
169806 |
|