17311-6041 EHR 15 AC
17h 31m 05.91s -60° 41' 01.8" P.A. 51.00 sep 8.6 mag 3.70,13.00 Sp B8Vn dist. 60.68 pc (197.94 l.y.)
| Coord 2000 |
17311-6041 |
|
Discov num |
EHR 15 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 31 05.91 -60 41 01.8 |
|
| Date first |
2009 |
|
Date last |
2009 |
|
Obs |
1 |
|
| Pa first |
51 |
|
Pa last |
51 |
|
P.A. Now (θ) |
51° |
|
| Sep first |
8.6 |
|
Sep last |
8.589 |
|
Sep. Now (ρ) |
8.589" |
|
| Mag pri |
3.70 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
9.3 |
|
Spectral class |
B8Vn (blue-white) |
|
| Pri motion ra |
-054 |
|
Sec motion ra |
|
|
| Pri motion dec |
-099 |
|
Sec motion dec |
|
|
| Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
17311-6041 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
253945 |
17 31 06 -60 41 02 |
EHR 15 AB |
2009 |
1 |
67 |
3.1 |
3.70 |
14.20 |
10.50 |
|
|
| Show |
|
253945 |
17 31 06 -60 41 02 |
EHR 15 AC |
2009 |
1 |
51 |
8.6 |
3.70 |
13.00 |
9.30 |
|
<=== |
| Show |
|
253945 |
17 31 06 -60 41 02 |
EHR 15 AD |
2009 |
1 |
62 |
12.3 |
3.70 |
11.90 |
8.20 |
|
|
| Show |
Del Ara |
253945 |
17 31 06 -60 41 02 |
HJ 4951 AE |
2016 |
7 |
324 |
50.4 |
3.64 |
10.96 |
7.32 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ara |
|
SAO |
253945 |
|
HIP |
85727 |
|
Tycho2 |
9053-04118-1 |
|
| Gaia DR2 |
5912398348427886976 |
|
HD |
158094 |
|
HR |
6500 |
|
GC |
23681 |
|
| CP |
CP-60 6842 |
|
Bayer |
Delta Arae |
|
Bayer name |
Del Ara |
|
FK5 |
648 |
|
| Distance |
60.68 |
|
Distance ly |
197.94 |
|
Bayer greek |
δ Ara |
|
