18289-2122 HU 241 AC
18h 28m 51.32s -21° 22' 02.3" P.A. 301.00 sep 63.0 mag 9.09,11.75 Sp B9III
| Coord 2000 |
18289-2122 |
|
Discov num |
HU 241 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 28 51.32 -21 22 02.3 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
301 |
|
Pa last |
300.8 |
|
P.A. Now (θ) |
300.8° |
|
| Sep first |
63.0 |
|
Sep last |
62.958 |
|
Sep. Now (ρ) |
62.958" |
|
| Mag pri |
9.09 |
|
Mag sec |
11.75 |
|
delta mag (ΔM) |
2.66 |
|
Spectral class |
B9III (blue-white) |
|
| Pri motion ra |
-014 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.88
This double is not physical.
18289-2122 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170163 |
|
18 28 51 -21 22 02 |
HU 241 AB |
2015 |
10 |
34 |
4.1 |
9.10 |
10.60 |
1.50 |
|
|
| Show |
|
|
18 28 51 -21 22 02 |
HU 241 AC |
2015 |
6 |
301 |
63.0 |
9.09 |
11.75 |
2.66 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6278-02302-1 |
|
Gaia DR2 |
4090313032062286848 |
|
HD |
170163 |
|