17317+3019 STF 2181 AC
17h 31m 42.54s +30° 19' 05.3" P.A. 218.00 sep 37.7 mag 7.04,12.55 Sp K0 dist. 86.81 pc (283.17 l.y.)
| Coord 2000 |
17317+3019 |
|
Discov num |
STF2181 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 31 42.54 +30 19 05.3 |
|
| Date first |
1902 |
|
Date last |
2015 |
|
Obs |
19 |
|
| Pa first |
210 |
|
Pa last |
218.4 |
|
P.A. Now (θ) |
218.4° |
|
| Sep first |
50.9 |
|
Sep last |
37.675 |
|
Sep. Now (ρ) |
37.675" |
|
| Mag pri |
7.04 |
|
Mag sec |
12.55 |
|
delta mag (ΔM) |
5.51 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-120 |
|
Sec motion dec |
+005 |
|
| Notes |
N
L
U
(See Notes, Linear solution, Proper motion indicates non-physical) |
|
rPM=1.041
This double is not physical.
17317+3019 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 159118 |
66109 |
17 31 43 +30 19 05 |
STF 2181 AB |
2015 |
31 |
328 |
33.0 |
7.04 |
10.54 |
3.50 |
|
|
| Show |
|
66109 |
17 31 43 +30 19 05 |
STF 2181 AC |
2015 |
19 |
218 |
37.7 |
7.04 |
12.55 |
5.51 |
|
<=== |
| Show |
|
66109 |
17 31 43 +30 19 05 |
SLE 27 AD |
2015 |
10 |
25 |
164.5 |
7.04 |
12.49 |
5.45 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
66109 |
|
HIP |
85781 |
|
Tycho2 |
2605-01489-1 |
|
| Gaia DR2 |
4599180727226159872 |
|
HD |
159118 |
|
BD |
BD+30 3013 |
|
Distance |
86.81 |
|
| Distance ly |
283.17 |
|
