16057-0617 FIN 384 Aa,Ab
16h 05m 44.53s -06° 17' 28.1" P.A. 275.00 sep 0.1 mag 7.10,7.10 Sp F3V dist. 87.34 pc (284.9 l.y.)
| Coord 2000 |
16057-0617 |
|
Discov num |
FIN 384 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
16 05 44.53 -06 17 28.1 |
|
| Date first |
1964 |
|
Date last |
2021 |
|
Obs |
31 |
|
| Pa first |
143 |
|
Pa last |
275.1 |
|
P.A. Now (θ) |
129.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.059 |
|
Sep. Now (ρ) |
0.033" |
|
| Mag pri |
7.10 |
|
Mag sec |
7.10 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
+050 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
16057-0617 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
140945 |
16 05 45 -06 17 28 |
FIN 384 Aa,Ab |
2021 |
31 |
275 |
0.1 |
7.10 |
7.10 |
0.00 |
Y |
<=== |
| Show |
HD 144362 |
140945 |
16 05 45 -06 17 28 |
BU 948 AB |
2021 |
71 |
72 |
0.6 |
6.46 |
9.01 |
2.55 |
Y |
|
| Show |
|
140945 |
16 05 45 -06 17 28 |
STF 2005 AC |
2019 |
18 |
233 |
28.6 |
6.46 |
11.31 |
4.85 |
|
|
| Show |
|
140945 |
16 05 45 -06 17 28 |
STF 2005 AD |
2015 |
12 |
202 |
55.3 |
6.46 |
11.87 |
5.41 |
|
|
| Show |
|
140945 |
16 05 45 -06 17 28 |
SHY 696 AE |
2014 |
5 |
271 |
260.0 |
6.46 |
7.90 |
1.44 |
|
|
| Show |
|
|
16 05 43 -06 17 46 |
STF 2005 CD |
2015 |
18 |
176 |
34.2 |
11.31 |
11.87 |
0.56 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
140945 |
|
HIP |
78849 |
|
Tycho2 |
5044-00998-1 |
|
| Gaia DR2 |
4350207275578961152 |
|
HD |
144362 |
|
HR |
5989 |
|
ADS |
9918 |
|
| BD |
BD-05 4234 |
|
Distance |
87.34 |
|
Distance ly |
284.9 |
|
ORBITAL ELEMENTS
| Period (P) | 4.999y | ± 0.005 |
Periastron (T) | 2103.16y | ± 0.06 |
Semi-major axis (a) | 0.0521a | ± 0.0011 |
| Eccentricity (e) | 0.37 | ± 0.009 |
Inclination (i) | 127° | ± 1.7 |
Longitude of periastron (ω) | 8.7° | ± 5.7 |
| Node (Ω) | 117.3° | ± 2.5 |
Notes | n | |
Reference | Tok2021b | |
| Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
307.4 |
0.066 |
| 2001 |
284.8 |
0.068 |
| 2002 |
247.2 |
0.040 |
| 2003 |
130.3 |
0.033 |
| 2004 |
355.1 |
0.032 |
| 2005 |
307.4 |
0.066 |
| 2006 |
284.8 |
0.068 |
| 2007 |
247.1 |
0.040 |
| 2008 |
130.2 |
0.033 |
| 2009 |
355.0 |
0.032 |
| 2010 |
307.3 |
0.066 |
| 2011 |
284.8 |
0.068 |
| 2012 |
247.0 |
0.040 |
| 2013 |
130.0 |
0.033 |
| 2014 |
354.9 |
0.032 |
| 2015 |
307.3 |
0.066 |
| 2016 |
284.8 |
0.068 |
| 2017 |
246.9 |
0.040 |
| 2018 |
129.9 |
0.033 |
| 2019 |
354.8 |
0.033 |
| 2020 |
307.3 |
0.066 |
| 2021 |
284.7 |
0.068 |
| 2022 |
246.9 |
0.040 |
| 2023 |
129.8 |
0.033 |
| 2024 |
354.7 |
0.033 |
| 2025 |
307.3 |
0.066 |
| 2026 |
284.7 |
0.068 |
| 2027 |
246.8 |
0.040 |
| 2028 |
129.7 |
0.033 |
| 2029 |
354.6 |
0.033 |
| 2030 |
307.2 |
0.066 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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