18118-1825 HJ 2820 AC
18h 11m 46.79s -18° 22' 52.3" P.A. 82.00 sep 12.9 mag 10.09,13.05 Sp B0 dist. 512.82 pc (1672.82 l.y.)
| Coord 2000 |
18118-1825 |
|
Discov num |
HJ 2820 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 11 46.79 -18 22 52.3 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
90 |
|
Pa last |
81.5 |
|
P.A. Now (θ) |
81.5° |
|
| Sep first |
8.0 |
|
Sep last |
12.943 |
|
Sep. Now (ρ) |
12.943" |
|
| Mag pri |
10.09 |
|
Mag sec |
13.05 |
|
delta mag (ΔM) |
2.96 |
|
Spectral class |
B0 (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
N
(See Notes) |
|
rPM=1.118
This double is not physical.
18118-1825 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166524 |
|
18 11 47 -18 22 52 |
HJ 2820 AB |
2015 |
12 |
279 |
5.8 |
10.09 |
11.83 |
1.74 |
|
|
| Show |
|
|
18 11 47 -18 22 52 |
HJ 2820 AC |
2015 |
10 |
82 |
12.9 |
10.09 |
13.05 |
2.96 |
|
<=== |
| Show |
|
|
18 11 46 -18 22 52 |
HJ 2820 BC |
2015 |
10 |
87 |
18.5 |
11.83 |
13.05 |
1.22 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
HIP |
89158 |
|
Tycho2 |
6268-01416-1 |
|
Gaia DR2 |
4095595704395262592 |
|
| HD |
166524 |
|
BD |
BD-18 4826 |
|
Distance |
512.82 |
|
Distance ly |
1672.82 |
|
