17549-1138 HLD 139 AB (HD 163117)
17h 54m 55.72s -11° 37' 54.9" P.A. 142.00 sep 3.1 mag 7.03,11.06 Sp F3V dist. 68.12 pc (222.21 l.y.)
Coord 2000 |
17549-1138 |
|
Discov num |
HLD 139 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 54 55.72 -11 37 54.9 |
|
Date first |
1882 |
|
Date last |
2016 |
|
Obs |
13 |
|
Pa first |
140 |
|
Pa last |
141.8 |
|
P.A. Now (θ) |
141.8° |
|
Sep first |
6.0 |
|
Sep last |
3.106 |
|
Sep. Now (ρ) |
3.106" |
|
Mag pri |
7.03 |
|
Mag sec |
11.06 |
|
delta mag (ΔM) |
4.03 |
|
Spectral class |
F3V (yellow-white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
+044 |
|
Sec motion dec |
+041 |
|
Notes |
|
|
rPM=0.081 (< 0.3, Physical double)
This double is physical.
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
Name |
HD 163117 |
|
Constellation |
Serpens |
|
SAO |
160899 |
|
HIP |
87708 |
|
Tycho2 |
5682-01849-1 |
|
Gaia DR2 |
4151632078301105408 |
|
HD |
163117 |
|
GC |
24354 |
|
BD |
BD-11 4478 |
|
Distance |
68.12 |
|
Distance ly |
222.21 |
|