01263-0440 TOK 204 Aa,Ab
01h 26m 19.20s -04° 40' 26.7" P.A. 242.00 sep 0.0 mag 8.50,10.00 Sp G5 dist. 52.97 pc (172.79 l.y.)
Coord 2000 |
01263-0440 |
|
Discov num |
TOK 204 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
01 26 19.20 -04 40 26.7 |
|
Date first |
2011 |
|
Date last |
2021 |
|
Obs |
16 |
|
Pa first |
6 |
|
Pa last |
242.1 |
|
P.A. Now (θ) |
333° |
|
Sep first |
0.1 |
|
Sep last |
0.043 |
|
Sep. Now (ρ) |
0.077" |
|
Mag pri |
8.50 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-097 |
|
Sec motion ra |
|
|
Pri motion dec |
-103 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01263-0440 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
129296 |
01 26 19 -04 40 27 |
TOK 204 Aa,Ab |
2021 |
16 |
242 |
0.0 |
8.50 |
10.00 |
1.50 |
Y |
<=== |
Show |
|
129296 |
01 26 19 -04 40 27 |
TOK 204 AB |
2015 |
5 |
227 |
24.6 |
8.20 |
17.50 |
9.30 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cetus |
|
SAO |
129296 |
|
HIP |
6712 |
|
Tycho2 |
4684-00546-1 |
|
Gaia DR2 |
2482274463233174016 |
|
HD |
8765 |
|
BD |
BD-05 258 |
|
Distance |
52.97 |
|
Distance ly |
172.79 |
|
ORBITAL ELEMENTS
Period (P) | 6.12y | |
Periastron (T) | 2015.457y | |
Semi-major axis (a) | 0.073a | |
Eccentricity (e) | 0.416 | |
Inclination (i) | 20.8° | |
Longitude of periastron (ω) | 157.5° | |
Node (Ω) | 45.6° | |
Notes | | |
Reference | Tok2018i | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
20.4 |
0.102 |
2001 |
46.4 |
0.098 |
2002 |
81.9 |
0.074 |
2003 |
172.0 |
0.043 |
2004 |
294.9 |
0.058 |
2005 |
347.5 |
0.086 |
2006 |
17.3 |
0.101 |
2007 |
43.1 |
0.099 |
2008 |
76.4 |
0.078 |
2009 |
155.2 |
0.045 |
2010 |
284.8 |
0.055 |
2011 |
343.0 |
0.083 |
2012 |
14.2 |
0.100 |
2013 |
39.9 |
0.100 |
2014 |
71.3 |
0.081 |
2015 |
140.1 |
0.048 |
2016 |
273.5 |
0.052 |
2017 |
338.2 |
0.080 |
2018 |
10.9 |
0.099 |
2019 |
36.7 |
0.101 |
2020 |
66.7 |
0.085 |
2021 |
126.9 |
0.051 |
2022 |
260.7 |
0.049 |
2023 |
333.0 |
0.077 |
2024 |
7.6 |
0.097 |
2025 |
33.7 |
0.102 |
2026 |
62.4 |
0.088 |
2027 |
115.6 |
0.055 |
2028 |
246.5 |
0.046 |
2029 |
327.3 |
0.073 |
2030 |
4.2 |
0.096 |
|
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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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