17407+3117 HDS 2501 Aa,Ab
17h 40m 41.23s +31° 17' 15.6" P.A. 78.00 sep 0.8 mag 6.50,10.30 Sp K0III dist. 130.38 pc (425.3 l.y.)
| Coord 2000 |
17407+3117 |
|
Discov num |
HDS2501 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
17 40 41.23 +31 17 15.6 |
|
| Date first |
1991 |
|
Date last |
2011 |
|
Obs |
3 |
|
| Pa first |
77 |
|
Pa last |
77.8 |
|
P.A. Now (θ) |
77.8° |
|
| Sep first |
0.8 |
|
Sep last |
0.786 |
|
Sep. Now (ρ) |
0.786" |
|
| Mag pri |
6.50 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
3.8 |
|
Spectral class |
K0III (yellow-orange) |
|
| Pri motion ra |
-059 |
|
Sec motion ra |
|
|
| Pri motion dec |
-075 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
17407+3117 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
66243 |
17 40 41 +31 17 16 |
HDS 2501 Aa,Ab |
2011 |
3 |
78 |
0.8 |
6.50 |
10.30 |
3.80 |
|
<=== |
| Show |
HD 160822 |
66243 |
17 40 41 +31 17 16 |
STTA 157 AB |
2015 |
31 |
106 |
118.3 |
6.43 |
7.92 |
1.49 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
66243 |
|
HIP |
86506 |
|
Tycho2 |
2606-01359-1 |
|
| Gaia DR2 |
4600598508813170944 |
|
HD |
160822 |
|
HR |
6591 |
|
BD |
BD+31 3076 |
|
| Distance |
130.38 |
|
Distance ly |
425.3 |
|
