18118-1825 HJ 2820 AB (HD 166524)
18h 11m 46.79s -18° 22' 52.3" P.A. 279.00 sep 5.8 mag 10.09,11.83 Sp B0?Vpe dist. 512.82 pc (1672.82 l.y.)
Coord 2000 |
18118-1825 |
|
Discov num |
HJ 2820 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 11 46.79 -18 22 52.3 |
|
Date first |
1830 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
282 |
|
Pa last |
278.6 |
|
P.A. Now (θ) |
278.6° |
|
Sep first |
3.0 |
|
Sep last |
5.78 |
|
Sep. Now (ρ) |
5.78" |
|
Mag pri |
10.09 |
|
Mag sec |
11.83 |
|
delta mag (ΔM) |
1.74 |
|
Spectral class |
B0?Vpe (blue-white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-003 |
|
Notes |
N
(See Notes) |
|
rPM=1.553
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
Name |
HD 166524 |
|
Constellation |
Sagittarius |
|
HIP |
89158 |
|
Tycho2 |
6268-01416-1 |
|
Gaia DR2 |
4095595704395262592 |
|
HD |
166524 |
|
BD |
BD-18 4826 |
|
Distance |
512.82 |
|
Distance ly |
1672.82 |
|