16329+0315 DSG 7 Aa,Ab (HD 149162)
16h 32m 51.62s +03° 14' 45.7" P.A. 16.00 sep 0.0 mag 9.00,10.50 Sp K1V+K6V dist. 43.22 pc (140.98 l.y.)
| Coord 2000 |
16329+0315 |
|
Discov num |
DSG 7 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
16 32 51.62 +03 14 45.7 |
|
| Date first |
2013 |
|
Date last |
2018 |
|
Obs |
8 |
|
| Pa first |
327 |
|
Pa last |
15.5 |
|
P.A. Now (θ) |
15.5° |
|
| Sep first |
0.0 |
|
Sep last |
0.007 |
|
Sep. Now (ρ) |
0.007" |
|
| Mag pri |
9.00 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
K1V+K6V (yellow-orange/yellow-orange) |
|
| Pri motion ra |
-375 |
|
Sec motion ra |
|
|
| Pri motion dec |
-181 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
16329+0315 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 149162 |
121679 |
16 32 52 +03 14 46 |
DSG 7 Aa,Ab |
2018 |
8 |
16 |
0.0 |
9.00 |
10.50 |
1.50 |
Y |
<=== |
| Show |
|
121679 |
16 32 52 +03 14 46 |
DSG 7 Aa,Ac |
2018 |
7 |
243 |
0.3 |
9.00 |
14.50 |
5.50 |
|
|
| Show |
|
121679 |
16 32 52 +03 14 46 |
LEP 79 AB |
2015 |
7 |
138 |
252.0 |
9.43 |
14.54 |
5.11 |
|
|
| Show |
|
|
16 33 03 +03 11 37 |
DAM 649 BC |
2016 |
12 |
137 |
6.4 |
14.54 |
17.90 |
3.36 |
|
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 149162 |
|
Constellation |
Ophiuchus |
|
SAO |
121679 |
|
HIP |
81023 |
|
| Tycho2 |
0386-01338-1 |
|
HD |
149162 |
|
GL |
Wo 9566 |
|
BD |
BD+03 3215 |
|
| Distance |
43.22 |
|
Distance ly |
140.98 |
|
ORBITAL ELEMENTS
| Period (P) | 0.61867y | ± 0.00033 |
Periastron (T) | 1988.4316y | ± 0.003 |
Semi-major axis (a) | 16m | ± 1.2 |
| Eccentricity (e) | 0.3067 | ± 0.0088 |
Inclination (i) | 117.9° | ± 8.2 |
Longitude of periastron (ω) | 20.46° | ± 1.74 |
| Node (Ω) | 162.7° | ± 8.2 |
Notes | n | |
Reference | Hor2019 | |
| Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
299.5 |
0.011 |
| 2001 |
351.9 |
0.018 |
| 2002 |
175.5 |
0.011 |
| 2003 |
327.5 |
0.019 |
| 2004 |
28.2 |
0.009 |
| 2005 |
260.0 |
0.008 |
| 2006 |
343.0 |
0.020 |
| 2007 |
147.6 |
0.010 |
| 2008 |
315.8 |
0.015 |
| 2009 |
2.4 |
0.015 |
| 2010 |
204.5 |
0.009 |
| 2011 |
334.9 |
0.020 |
| 2012 |
88.7 |
0.006 |
| 2013 |
295.2 |
0.011 |
| 2014 |
350.4 |
0.019 |
| 2015 |
171.3 |
0.011 |
| 2016 |
326.0 |
0.018 |
| 2017 |
22.1 |
0.010 |
| 2018 |
251.0 |
0.008 |
| 2019 |
341.7 |
0.020 |
| 2020 |
141.9 |
0.009 |
| 2021 |
313.4 |
0.015 |
| 2022 |
0.1 |
0.015 |
| 2023 |
197.9 |
0.009 |
| 2024 |
333.7 |
0.020 |
| 2025 |
74.5 |
0.006 |
| 2026 |
290.3 |
0.010 |
| 2027 |
348.9 |
0.019 |
| 2028 |
167.1 |
0.011 |
| 2029 |
324.3 |
0.018 |
| 2030 |
17.1 |
0.011 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
