16243-1338 SIN 91 AC
16h 24m 19.80s -13° 38' 29.9" P.A. 172.00 sep 6.4 mag 8.46, Sp K2V dist. 21.52 pc (70.2 l.y.)
| Coord 2000 |
16243-1338 |
|
Discov num |
SIN 91 |
|
Comp |
AC |
|
Coord arcsec 2000 |
16 24 19.80 -13 38 29.9 |
|
| Date first |
1987 |
|
Date last |
1987 |
|
Obs |
1 |
|
| Pa first |
172 |
|
Pa last |
172.2 |
|
P.A. Now (θ) |
172.2° |
|
| Sep first |
6.4 |
|
Sep last |
6.35 |
|
Sep. Now (ρ) |
6.35" |
|
| Mag pri |
8.46 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
K2V (yellow-orange) |
|
| Pri motion ra |
-220 |
|
Sec motion ra |
|
|
| Pri motion dec |
-206 |
|
Sec motion dec |
|
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
16243-1338 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V2578 Oph |
159899 |
16 24 20 -13 38 30 |
BUP 169 AB |
2000 |
7 |
295 |
89.8 |
8.46 |
11.50 |
3.04 |
|
|
| Show |
|
159899 |
16 24 20 -13 38 30 |
SIN 91 AC |
1987 |
1 |
172 |
6.4 |
8.46 |
|
|
|
<=== |
| Show |
|
159899 |
16 24 20 -13 38 30 |
SIN 91 AD |
1987 |
1 |
14 |
9.7 |
8.46 |
|
|
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V2578 Oph |
|
Constellation |
Ophiuchus |
|
SAO |
159899 |
|
HIP |
80366 |
|
| Tycho2 |
5638-00322-1 |
|
Gaia DR2 |
4329057039841257728 |
|
HD |
147776 |
|
GL |
Gl 621 |
|
| BD |
BD-13 4418 |
|
Distance |
21.52 |
|
Distance ly |
70.2 |
|
