17549-1138 HLD 139 AC
 
 
 17h 54m 55.72s -11° 37' 54.9" P.A. 97.00 sep 65.8 mag 7.03,12.86 Sp F3V dist. 68.12 pc (222.21 l.y.)
 
 
| Coord 2000 | 
17549-1138 | 
 | 
Discov num | 
HLD 139 | 
 | 
Comp | 
AC | 
 | 
Coord arcsec 2000 | 
17 54 55.72 -11 37 54.9 | 
 | 
| Date first | 
1909 | 
 | 
Date last | 
2011 | 
 | 
Obs | 
4 | 
 | 
| Pa first | 
94 | 
 | 
Pa last | 
96.8 | 
 | 
P.A. Now (θ) | 
96.8° | 
 | 
| Sep first | 
65.6 | 
 | 
Sep last | 
65.8 | 
 | 
Sep. Now (ρ) | 
65.8" | 
 | 
| Mag pri | 
7.03 | 
 | 
Mag sec | 
12.86 | 
 | 
delta mag (ΔM) | 
5.83 | 
 | 
Spectral class | 
F3V (yellow-white) | 
 | 
| Pri motion ra | 
+008 | 
 | 
Sec motion ra | 
 | 
 | 
| Pri motion dec | 
+041 | 
 | 
Sec motion dec | 
 | 
 | 
| Notes | 
 | 
 | 
Nature of this double is uncertain.
 
 
17549-1138 SYSTEM COMPONENTS
 
 
| Show | 
name | 
SAO | 
coord | 
wds_name | 
last | 
obs | 
pa | 
sep | 
mag1 | 
mag2 | 
d_mag | 
orb | 
current | 
| Show | 
HD 163117 | 
 | 
17 54 56 -11 37 55 | 
HLD 139 AB | 
2016 | 
13 | 
142 | 
3.1 | 
7.03 | 
11.06 | 
4.03 | 
 | 
 | 
| Show | 
 | 
 | 
17 54 56 -11 37 55 | 
HLD 139 AC | 
2011 | 
4 | 
97 | 
65.8 | 
7.03 | 
12.86 | 
5.83 | 
 | 
<=== | 
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
| Constellation | 
Serpens | 
 | 
SAO | 
160899 | 
 | 
HIP | 
87708 | 
 | 
Tycho2 | 
5682-01849-1 | 
 | 
| Gaia DR2 | 
4151632078301105408 | 
 | 
HD | 
163117 | 
 | 
BD | 
BD-11 4478 | 
 | 
Distance | 
68.12 | 
 | 
| Distance ly | 
222.21 | 
 |