16090-1900 KOU 54 AB (HD 144925)
16h 09m 02.60s -18° 59' 44.0" P.A. 100.00 sep 1.0 mag 7.13,10.38 Sp A0V dist. 122.7 pc (400.25 l.y.)
| Coord 2000 |
16090-1900 |
|
Discov num |
KOU 54 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 09 02.60 -18 59 44.0 |
|
| Date first |
2000 |
|
Date last |
2019 |
|
Obs |
7 |
|
| Pa first |
96 |
|
Pa last |
99.9 |
|
P.A. Now (θ) |
99.9° |
|
| Sep first |
1.0 |
|
Sep last |
0.972 |
|
Sep. Now (ρ) |
0.972" |
|
| Mag pri |
7.13 |
|
Mag sec |
10.38 |
|
delta mag (ΔM) |
3.25 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-023 |
|
Sec motion dec |
|
|
| Notes |
N
V
W
K
(See Notes, Proper motion indicates physical, , 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
This double is physical.
16090-1900 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
159731 |
16 09 03 -18 59 44 |
HNK 6 Aa,Ab |
2019 |
3 |
253 |
0.2 |
7.90 |
10.50 |
2.60 |
|
|
| Show |
HD 144925 |
159731 |
16 09 03 -18 59 44 |
KOU 54 AB |
2019 |
7 |
100 |
1.0 |
7.13 |
10.38 |
3.25 |
|
<=== |
| Show |
|
159731 |
16 09 03 -18 59 44 |
LAF 120 AC |
2008 |
1 |
134 |
6.0 |
7.01 |
16.40 |
9.39 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 144925 |
|
Constellation |
Scorpius |
|
SAO |
159731 |
|
HIP |
79124 |
|
| Tycho2 |
6209-01305-1 |
|
Gaia DR2 |
6248783275121192704 |
|
HD |
144925 |
|
GC |
21703 |
|
| BD |
BD-18 4240 |
|
Distance |
122.7 |
|
Distance ly |
400.25 |
|
