08125-4616 CHR 143 Aa,Ab
08h 12m 30.80s -46° 15' 51.5" P.A. 160.00 sep 0.0 mag 6.50,7.30 Sp B5V dist. 320.51 pc (1045.5 l.y.)
| Coord 2000 |
08125-4616 |
|
Discov num |
CHR 143 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
08 12 30.80 -46 15 51.5 |
|
| Date first |
1989 |
|
Date last |
2021 |
|
Obs |
22 |
|
| Pa first |
159 |
|
Pa last |
160 |
|
P.A. Now (θ) |
166.9° |
|
| Sep first |
0.0 |
|
Sep last |
0.039 |
|
Sep. Now (ρ) |
0.064" |
|
| Mag pri |
6.50 |
|
Mag sec |
7.30 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
B5V (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
08125-4616 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
219602 |
08 12 31 -46 15 52 |
CHR 143 Aa,Ab |
2021 |
22 |
160 |
0.0 |
6.50 |
7.30 |
0.80 |
Y |
<=== |
| Show |
HD 68895 |
219602 |
08 12 31 -46 15 52 |
SEE 96 AB |
2021 |
36 |
270 |
0.6 |
6.22 |
7.65 |
1.43 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vela |
|
SAO |
219602 |
|
HIP |
40183 |
|
Tycho2 |
8136-04847-1 |
|
| Gaia DR2 |
5519406225201035008 |
|
HD |
68895 |
|
HR |
3234 |
|
CD |
CD-45 3892 |
|
| CP |
CP-45 2259 |
|
Distance |
320.51 |
|
Distance ly |
1045.5 |
|
ORBITAL ELEMENTS
| Period (P) | 33.08y | ± 0.46 |
Periastron (T) | 2017.67y | ± 0.18 |
Semi-major axis (a) | 0.0723a | ± 0.001 |
| Eccentricity (e) | 0.284 | ± 0.015 |
Inclination (i) | 69.9° | ± 1.1 |
Longitude of periastron (ω) | 253.5° | ± 2.7 |
| Node (Ω) | 172.7° | ± 1 |
Notes | n | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
210.8 |
0.047 |
| 2001 |
220.5 |
0.041 |
| 2002 |
233.2 |
0.036 |
| 2003 |
249.5 |
0.032 |
| 2004 |
268.2 |
0.031 |
| 2005 |
286.5 |
0.033 |
| 2006 |
301.7 |
0.037 |
| 2007 |
313.5 |
0.043 |
| 2008 |
322.6 |
0.049 |
| 2009 |
329.7 |
0.054 |
| 2010 |
335.6 |
0.059 |
| 2011 |
340.6 |
0.062 |
| 2012 |
345.3 |
0.064 |
| 2013 |
349.9 |
0.063 |
| 2014 |
354.8 |
0.060 |
| 2015 |
0.7 |
0.053 |
| 2016 |
9.0 |
0.043 |
| 2017 |
23.4 |
0.030 |
| 2018 |
56.0 |
0.020 |
| 2019 |
110.2 |
0.020 |
| 2020 |
140.7 |
0.031 |
| 2021 |
154.1 |
0.044 |
| 2022 |
161.7 |
0.055 |
| 2023 |
166.9 |
0.064 |
| 2024 |
171.1 |
0.070 |
| 2025 |
174.6 |
0.074 |
| 2026 |
178.0 |
0.076 |
| 2027 |
181.2 |
0.075 |
| 2028 |
184.6 |
0.073 |
| 2029 |
188.2 |
0.070 |
| 2030 |
192.3 |
0.065 |
|
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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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