02038-0020 TOK 38 Aa,Ab
02h 03m 48.12s -00° 20' 24.5" P.A. 252.00 sep 0.0 mag 6.15,7.97 Sp G5II-+G5V dist. 110.99 pc (362.05 l.y.)
| Coord 2000 |
02038-0020 |
|
Discov num |
TOK 38 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
02 03 48.12 -00 20 24.5 |
|
| Date first |
2007 |
|
Date last |
2021 |
|
Obs |
16 |
|
| Pa first |
99 |
|
Pa last |
251.7 |
|
P.A. Now (θ) |
44.1° |
|
| Sep first |
0.0 |
|
Sep last |
0.021 |
|
Sep. Now (ρ) |
0.012" |
|
| Mag pri |
6.15 |
|
Mag sec |
7.97 |
|
delta mag (ΔM) |
1.82 |
|
Spectral class |
G5II-+G5V (yellow/yellow) |
|
| Pri motion ra |
+078 |
|
Sec motion ra |
|
|
| Pri motion dec |
-047 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
02038-0020 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
129667 |
02 03 48 -00 20 24 |
TOK 38 Aa,Ab |
2021 |
16 |
252 |
0.0 |
6.15 |
7.97 |
1.82 |
Y |
<=== |
| Show |
61 Cet |
129667 |
02 03 48 -00 20 24 |
H 5 102 AB |
2014 |
26 |
194 |
43.1 |
5.96 |
10.77 |
4.81 |
|
|
| Show |
|
129667 |
02 03 48 -00 20 24 |
H 5 102 AC |
2014 |
8 |
324 |
92.3 |
5.96 |
12.81 |
6.85 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV711 Cet |
|
Constellation |
Cetus |
|
SAO |
129667 |
|
HIP |
9631 |
|
| Tycho2 |
4689-01229-1 |
|
HD |
12641 |
|
HR |
610 |
|
GC |
2488 |
|
| ADS |
1634 |
|
BD |
BD-01 285 |
|
Flamsteed |
61 Ceti |
|
Flamsteed name |
61 Cet |
|
| Distance |
110.99 |
|
Distance ly |
362.05 |
|
ORBITAL ELEMENTS
| Period (P) | 5.66y | ± 0 |
Periastron (T) | 2005.42y | ± 0.02 |
Semi-major axis (a) | 0.0377a | ± 0.0009 |
| Eccentricity (e) | 0.367 | ± 0.006 |
Inclination (i) | 71.7° | ± 3.8 |
Longitude of periastron (ω) | 30.5° | ± 1 |
| Node (Ω) | 271.9° | ± 2.1 |
Notes | n | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
305.6 |
0.013 |
| 2001 |
81.9 |
0.035 |
| 2002 |
95.5 |
0.049 |
| 2003 |
108.6 |
0.038 |
| 2004 |
156.2 |
0.015 |
| 2005 |
263.1 |
0.025 |
| 2006 |
40.4 |
0.011 |
| 2007 |
87.7 |
0.043 |
| 2008 |
99.3 |
0.048 |
| 2009 |
116.1 |
0.031 |
| 2010 |
209.3 |
0.013 |
| 2011 |
278.0 |
0.023 |
| 2012 |
72.4 |
0.025 |
| 2013 |
92.0 |
0.048 |
| 2014 |
103.6 |
0.044 |
| 2015 |
129.3 |
0.022 |
| 2016 |
245.9 |
0.019 |
| 2017 |
309.0 |
0.012 |
| 2018 |
82.3 |
0.036 |
| 2019 |
95.8 |
0.049 |
| 2020 |
108.9 |
0.038 |
| 2021 |
158.7 |
0.014 |
| 2022 |
264.0 |
0.025 |
| 2023 |
44.1 |
0.012 |
| 2024 |
87.9 |
0.044 |
| 2025 |
99.6 |
0.048 |
| 2026 |
116.7 |
0.030 |
| 2027 |
212.3 |
0.013 |
| 2028 |
279.0 |
0.022 |
| 2029 |
73.3 |
0.025 |
| 2030 |
92.2 |
0.048 |
|
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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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