07040-4337 TOK 390 Ca,Cb
07h 03m 50.22s -43° 33' 40.8" P.A. 312.00 sep 0.2 mag 8.70,13.00 Sp K6V dist. 17.42 pc (56.82 l.y.)
| Coord 2000 |
07040-4337 |
|
Discov num |
TOK 390 |
|
Comp |
Ca,Cb |
|
Coord arcsec 2000 |
07 03 50.22 -43 33 40.8 |
|
| Date first |
2014 |
|
Date last |
2020 |
|
Obs |
12 |
|
| Pa first |
11 |
|
Pa last |
312.4 |
|
P.A. Now (θ) |
312.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.168 |
|
Sep. Now (ρ) |
0.168" |
|
| Mag pri |
8.70 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
K6V (yellow-orange) |
|
| Pri motion ra |
-096 |
|
Sec motion ra |
|
|
| Pri motion dec |
+394 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
07040-4337 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 53705 |
218421 |
07 03 57 -43 36 29 |
DUN 38 AB |
2016 |
31 |
125 |
21.3 |
5.61 |
6.68 |
1.07 |
|
|
| Show |
|
218421 |
07 03 57 -43 36 29 |
DUN 38 AC |
2015 |
10 |
335 |
185.0 |
5.61 |
8.83 |
3.22 |
|
|
| Show |
|
218421 |
07 03 57 -43 36 29 |
WRH 38 AD |
2015 |
4 |
258 |
32.1 |
5.61 |
11.20 |
5.59 |
|
|
| Show |
|
218418 |
07 03 50 -43 33 41 |
TOK 390 Ca,Cb |
2020 |
12 |
312 |
0.2 |
8.70 |
13.00 |
4.30 |
Y |
<=== |
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Puppis |
|
SAO |
218418 |
|
HIP |
34052 |
|
Tycho2 |
7641-00558-1 |
|
| HD |
53680 |
|
GL |
Gl 264 |
|
CD |
CD-43 2904 |
|
CP |
CP-43 1184 |
|
| Distance |
17.42 |
|
Distance ly |
56.82 |
|
ORBITAL ELEMENTS
| Period (P) | 4.623y | ± 0.04 |
Periastron (T) | 2011.808y | ± 0.06 |
Semi-major axis (a) | 0.159a | ± 0.004 |
| Eccentricity (e) | 0.462 | ± 0.014 |
Inclination (i) | 161.7° | ± 8.1 |
Longitude of periastron (ω) | 232° | ± 19.5 |
| Node (Ω) | 58.7° | ± 21 |
Notes | | |
Reference | Tok2019c | |
| Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
16.3 |
0.225 |
| 2001 |
341.8 |
0.204 |
| 2002 |
281.7 |
0.129 |
| 2003 |
102.7 |
0.115 |
| 2004 |
38.1 |
0.207 |
| 2005 |
4.0 |
0.224 |
| 2006 |
325.0 |
0.182 |
| 2007 |
228.9 |
0.093 |
| 2008 |
68.7 |
0.159 |
| 2009 |
24.5 |
0.221 |
| 2010 |
351.1 |
0.215 |
| 2011 |
302.5 |
0.152 |
| 2012 |
143.3 |
0.089 |
| 2013 |
48.4 |
0.191 |
| 2014 |
12.0 |
0.226 |
| 2015 |
336.4 |
0.197 |
| 2016 |
267.1 |
0.116 |
| 2017 |
88.2 |
0.131 |
| 2018 |
33.2 |
0.213 |
| 2019 |
359.6 |
0.222 |
| 2020 |
318.1 |
0.172 |
| 2021 |
201.0 |
0.085 |
| 2022 |
60.7 |
0.171 |
| 2023 |
20.1 |
0.224 |
| 2024 |
346.2 |
0.209 |
| 2025 |
292.3 |
0.140 |
| 2026 |
119.0 |
0.101 |
| 2027 |
42.7 |
0.200 |
| 2028 |
7.8 |
0.225 |
| 2029 |
330.6 |
0.189 |
| 2030 |
248.9 |
0.103 |
|
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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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