17190-3459 HJ 4935 AC
17h 18m 57.16s -34° 59' 23.1" P.A. 142.00 sep 32.6 mag 6.37,10.27 Sp K3V dist. 6.84 pc (22.31 l.y.)
| Coord 2000 |
17190-3459 |
|
Discov num |
HJ 4935 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 18 57.16 -34 59 23.1 |
|
| Date first |
1875 |
|
Date last |
2022 |
|
Obs |
66 |
|
| Pa first |
131 |
|
Pa last |
141.6 |
|
P.A. Now (θ) |
141.6° |
|
| Sep first |
29.4 |
|
Sep last |
32.6 |
|
Sep. Now (ρ) |
32.6" |
|
| Mag pri |
6.37 |
|
Mag sec |
10.27 |
|
delta mag (ΔM) |
3.9 |
|
Spectral class |
K3V (yellow-orange) |
|
| Pri motion ra |
+116 |
|
Sec motion ra |
+116 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-021 |
|
| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
|
rPM=0.034 (< 0.3, Physical double)
This double is physical.
17190-3459 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
NSV8482 |
208670 |
17 18 57 -34 59 23 |
MLO 4 AB |
2021 |
269 |
323 |
1.3 |
6.37 |
7.38 |
1.01 |
Y |
|
| Show |
|
208670 |
17 18 57 -34 59 23 |
HJ 4935 AC |
2022 |
66 |
142 |
32.6 |
6.37 |
10.27 |
3.90 |
Y |
<=== |
| Show |
|
208670 |
17 18 57 -34 59 23 |
SEE 509 AD |
2022 |
28 |
285 |
92.0 |
6.37 |
12.45 |
6.08 |
|
|
| Show |
|
|
17 18 56 -34 59 22 |
HJ 4935 BC |
2002 |
45 |
136 |
31.4 |
7.38 |
10.27 |
2.89 |
|
|
| Show |
|
|
17 18 56 -34 59 22 |
SEE 509 BD |
1959 |
26 |
312 |
20.3 |
7.38 |
12.45 |
5.07 |
|
|
| Show |
|
|
17 18 59 -34 59 48 |
SEE 509 CD |
2022 |
33 |
294 |
119.7 |
10.27 |
12.45 |
2.18 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV8482 |
|
Constellation |
Scorpius |
|
SAO |
208670 |
|
HIP |
84709 |
|
| Tycho2 |
7370-00850-1 |
|
HD |
156384 |
|
HR |
6426 |
|
GL |
Gl 667A |
|
| CD |
CD-3411626 |
|
CP |
CP-34 6803 |
|
Distance |
6.84 |
|
Distance ly |
22.31 |
|
ORBITAL ELEMENTS
| Period (P) | 2055.785396y | |
Periastron (T) | 1717.194575y | |
Semi-major axis (a) | 71.57805a | |
| Eccentricity (e) | 0.907526 | |
Inclination (i) | 74.5799° | |
Longitude of periastron (ω) | 273.7521° | |
| Node (Ω) | 99.0314° | |
Notes | n | |
Reference | Kpp2020f | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
140.1 |
32.334 |
| 2001 |
140.2 |
32.346 |
| 2002 |
140.3 |
32.358 |
| 2003 |
140.4 |
32.369 |
| 2004 |
140.5 |
32.381 |
| 2005 |
140.6 |
32.392 |
| 2006 |
140.7 |
32.404 |
| 2007 |
140.8 |
32.415 |
| 2008 |
140.9 |
32.426 |
| 2009 |
141.0 |
32.438 |
| 2010 |
141.1 |
32.449 |
| 2011 |
141.2 |
32.460 |
| 2012 |
141.3 |
32.470 |
| 2013 |
141.4 |
32.481 |
| 2014 |
141.5 |
32.492 |
| 2015 |
141.6 |
32.503 |
| 2016 |
141.6 |
32.513 |
| 2017 |
141.7 |
32.523 |
| 2018 |
141.8 |
32.534 |
| 2019 |
141.9 |
32.544 |
| 2020 |
142.0 |
32.554 |
| 2021 |
142.1 |
32.564 |
| 2022 |
142.2 |
32.574 |
| 2023 |
142.3 |
32.584 |
| 2024 |
142.4 |
32.594 |
| 2025 |
142.5 |
32.604 |
| 2026 |
142.6 |
32.614 |
| 2027 |
142.7 |
32.623 |
| 2028 |
142.8 |
32.633 |
| 2029 |
142.9 |
32.642 |
| 2030 |
143.0 |
32.652 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
