15585-2124 HNK 5 Aa,Ab (HD 142989)
15h 58m 29.31s -21° 24' 03.8" P.A. 20.00 sep 0.1 mag 7.70,12.00 Sp F2/3IV/V dist. 206.61 pc (673.96 l.y.)
| Coord 2000 |
15585-2124 |
|
Discov num |
HNK 5 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
15 58 29.31 -21 24 03.8 |
|
| Date first |
2010 |
|
Date last |
2010 |
|
Obs |
1 |
|
| Pa first |
20 |
|
Pa last |
20 |
|
P.A. Now (θ) |
20° |
|
| Sep first |
0.1 |
|
Sep last |
0.133 |
|
Sep. Now (ρ) |
0.133" |
|
| Mag pri |
7.70 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
F2/3IV/V (yellow-white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
15585-2124 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 142989 |
183981 |
15 58 29 -21 24 04 |
HNK 5 Aa,Ab |
2010 |
1 |
20 |
0.1 |
7.70 |
12.00 |
4.30 |
|
<=== |
| Show |
|
183981 |
15 58 29 -21 24 04 |
JKS 8 AB |
2015 |
4 |
338 |
19.1 |
9.10 |
12.60 |
3.50 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 142989 |
|
Constellation |
Scorpius |
|
SAO |
183981 |
|
HIP |
78233 |
|
| Tycho2 |
6199-01841-1 |
|
Gaia DR2 |
6246540035183094784 |
|
HD |
142989 |
|
BD |
BD-20 4366 |
|
| Distance |
206.61 |
|
Distance ly |
673.96 |
|