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 |
160899 |
17 54 56 -11 37 55 |
HLD 139 AB |
2016 |
13 |
142 |
3.1 |
7.03 |
11.06 |
4.03 |
|
|
| Show |
|
160899 |
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 |
|
