13320-6519 FIN 369 AB (HD 117432)
13h 31m 57.83s -65° 19' 18.5" P.A. 210.00 sep 0.1 mag 7.36,7.54 Sp A8/9IV dist. 82.85 pc (270.26 l.y.)
Coord 2000 |
13320-6519 |
|
Discov num |
FIN 369 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 31 57.83 -65 19 18.5 |
|
Date first |
1960 |
|
Date last |
2021 |
|
Obs |
22 |
|
Pa first |
56 |
|
Pa last |
210 |
|
P.A. Now (θ) |
182.3° |
|
Sep first |
0.1 |
|
Sep last |
0.114 |
|
Sep. Now (ρ) |
0.078" |
|
Mag pri |
7.36 |
|
Mag sec |
7.54 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
A8/9IV (white) |
|
Pri motion ra |
-062 |
|
Sec motion ra |
|
|
Pri motion dec |
-007 |
|
Sec motion dec |
|
|
Notes |
N
O
W
(See Notes, Orbital solution, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 117432 |
|
Constellation |
Musca |
|
SAO |
252345 |
|
HIP |
66005 |
|
Tycho2 |
8999-02691-1 |
|
HD |
117432 |
|
GC |
18266 |
|
CP |
CP-64 2441 |
|
Distance |
82.85 |
|
Distance ly |
270.26 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 13320-6519 FIN 369 |
coord_arcsec_2000 | 133157.83-651918.5 |
Period (P) | 24.786y | ± 0.3 |
Periastron (T) | 2021.716y | ± 1.5 |
Semi-major axis (a) | 0.176a | ± 0.012 |
Eccentricity (e) | 0.473 | ± 0.06 |
Inclination (i) | 75.2° | ± 2 |
Longitude of periastron (ω) | 81.4° | ± 5 |
Node (Ω) | 16.6° | ± 2 |
Notes | n | |
Reference | Doc2013d | |
Equinox | 2000 | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
196.7 |
0.148 |
2001 |
200.8 |
0.164 |
2002 |
204.4 |
0.170 |
2003 |
208.0 |
0.167 |
2004 |
211.8 |
0.159 |
2005 |
216.1 |
0.146 |
2006 |
221.4 |
0.131 |
2007 |
228.2 |
0.114 |
2008 |
237.5 |
0.096 |
2009 |
250.6 |
0.080 |
2010 |
269.1 |
0.069 |
2011 |
292.0 |
0.066 |
2012 |
314.1 |
0.071 |
2013 |
331.1 |
0.084 |
2014 |
343.1 |
0.100 |
2015 |
351.8 |
0.116 |
2016 |
358.4 |
0.131 |
2017 |
3.8 |
0.141 |
2018 |
8.8 |
0.144 |
2019 |
13.8 |
0.137 |
2020 |
20.2 |
0.113 |
2021 |
33.3 |
0.066 |
2022 |
123.4 |
0.025 |
2023 |
182.3 |
0.078 |
2024 |
192.4 |
0.124 |
2025 |
197.7 |
0.152 |
2026 |
201.6 |
0.166 |
2027 |
205.2 |
0.170 |
2028 |
208.8 |
0.166 |
2029 |
212.7 |
0.156 |
2030 |
217.2 |
0.143 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|