17031-5314 SKF 103 AC
17h 03m 08.76s -53° 14' 13.1" P.A. 258.00 sep 113.6 mag 5.33,13.48 Sp F5V+DA3.2 dist. 27.23 pc (88.82 l.y.)
| Coord 2000 |
17031-5314 |
|
Discov num |
SKF 103 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 03 08.76 -53 14 13.1 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
258 |
|
Pa last |
257.9 |
|
P.A. Now (θ) |
257.9° |
|
| Sep first |
113.8 |
|
Sep last |
113.639 |
|
Sep. Now (ρ) |
113.639" |
|
| Mag pri |
5.33 |
|
Mag sec |
13.48 |
|
delta mag (ΔM) |
8.15 |
|
Spectral class |
F5V+DA3.2 (yellow-white/white dwarf) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-118 |
|
Sec motion dec |
-153 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.242 (< 0.3, Physical double)
This double is physical.
17031-5314 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Eps2 Ara |
244388 |
17 03 09 -53 14 13 |
HDS 2412 Aa,Ab |
2021 |
29 |
151 |
0.7 |
5.44 |
8.65 |
3.21 |
Y |
|
| Show |
|
244388 |
17 03 09 -53 14 13 |
HDO 263 AB |
1999 |
2 |
18 |
46.1 |
5.33 |
13.85 |
8.52 |
|
|
| Show |
|
244388 |
17 03 09 -53 14 13 |
SKF 103 AC |
2015 |
3 |
258 |
113.6 |
5.33 |
13.48 |
8.15 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ara |
|
SAO |
244388 |
|
HIP |
83431 |
|
Tycho2 |
8726-02209-1 |
|
| Gaia DR2 |
5923907314622859520 |
|
HD |
153580 |
|
HR |
6314 |
|
GC |
22956 |
|
| GL |
NN 3985 |
|
CP |
CP-53 8316 |
|
Bayer |
Epsilon 2 Arae |
|
Bayer name |
Eps2 Ara |
|
| Distance |
27.23 |
|
Distance ly |
88.82 |
|
Bayer greek |
ε2 Ara |
|
