17320+0249 STT 331 AC
17h 32m 02.86s +02° 49' 25.4" P.A. 240.00 sep 50.5 mag 7.74,10.92 Sp B5V dist. 476.19 pc (1553.33 l.y.)
| Coord 2000 |
17320+0249 |
|
Discov num |
STT 331 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 32 02.86 +02 49 25.4 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
241 |
|
Pa last |
239.9 |
|
P.A. Now (θ) |
239.9° |
|
| Sep first |
51.0 |
|
Sep last |
50.506 |
|
Sep. Now (ρ) |
50.506" |
|
| Mag pri |
7.74 |
|
Mag sec |
10.92 |
|
delta mag (ΔM) |
3.18 |
|
Spectral class |
B5V (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-007 |
|
| Notes |
N
(See Notes) |
|
rPM=0.499
Nature of this double is uncertain.
17320+0249 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V2373 Oph |
122481 |
17 32 03 +02 49 25 |
STT 331 AB |
2016 |
83 |
353 |
1.0 |
7.74 |
8.82 |
1.08 |
|
|
| Show |
|
122481 |
17 32 03 +02 49 25 |
STT 331 AC |
2015 |
11 |
240 |
50.5 |
7.74 |
10.92 |
3.18 |
|
<=== |
| Show |
|
|
17 31 20 +02 49 18 |
BU 1538 DE |
2015 |
2 |
164 |
2.4 |
11.50 |
11.50 |
0.00 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V2373 Oph |
|
Constellation |
Ophiuchus |
|
SAO |
122481 |
|
HIP |
85812 |
|
| Tycho2 |
0418-01447-1 |
|
Gaia DR2 |
4376824940267661056 |
|
HD |
158976 |
|
BD |
BD+02 3341 |
|
| Distance |
476.19 |
|
Distance ly |
1553.33 |
|
