16093-1927 KOU 55 EF (HD 144981)
16h 09m 20.88s -19° 27' 25.9" P.A. 54.00 sep 0.9 mag 7.61,10.77 Sp A0V dist. 170.36 pc (555.71 l.y.)
| Coord 2000 |
16093-1927 |
|
Discov num |
KOU 55 |
|
Comp |
EF |
|
Coord arcsec 2000 |
16 09 20.88 -19 27 25.9 |
|
| Date first |
2000 |
|
Date last |
2019 |
|
Obs |
4 |
|
| Pa first |
59 |
|
Pa last |
53.5 |
|
P.A. Now (θ) |
53.5° |
|
| Sep first |
0.9 |
|
Sep last |
0.873 |
|
Sep. Now (ρ) |
0.873" |
|
| Mag pri |
7.61 |
|
Mag sec |
10.77 |
|
delta mag (ΔM) |
3.16 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-023 |
|
Sec motion dec |
|
|
| Notes |
V
W
K
(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.
16093-1927 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
159736 |
16 09 21 -19 27 26 |
USD 728 Ea,Eb |
2018 |
1 |
118 |
0.1 |
8.00 |
11.70 |
3.70 |
|
|
| Show |
HD 144981 |
159736 |
16 09 21 -19 27 26 |
KOU 55 EF |
2019 |
4 |
54 |
0.9 |
7.61 |
10.77 |
3.16 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 144981 |
|
Constellation |
Scorpius |
|
SAO |
159736 |
|
HIP |
79156 |
|
| Tycho2 |
6209-00834-1 |
|
HD |
144981 |
|
GC |
21716 |
|
BD |
BD-19 4322 |
|
| Distance |
170.36 |
|
Distance ly |
555.71 |
|
