02167+0632 YSC 20 (HD 14070)
02h 16m 40.57s +06° 31' 45.6" P.A. 278.00 sep 0.2 mag 9.50,11.90 Sp K0 dist. 52.85 pc (172.4 l.y.)
| Coord 2000 |
02167+0632 |
|
Discov num |
YSC 20 |
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Comp |
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Coord arcsec 2000 |
02 16 40.57 +06 31 45.6 |
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| Date first |
2008 |
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Date last |
2019 |
|
Obs |
7 |
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| Pa first |
334 |
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Pa last |
277.8 |
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P.A. Now (θ) |
358.8° |
|
| Sep first |
0.1 |
|
Sep last |
0.16 |
|
Sep. Now (ρ) |
0.094" |
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| Mag pri |
9.50 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
2.4 |
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Spectral class |
K0 (yellow-orange) |
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| Pri motion ra |
+025 |
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Sec motion ra |
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| Pri motion dec |
-029 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 14070 |
|
Constellation |
Cetus |
|
SAO |
110445 |
|
HIP |
10616 |
|
| Tycho2 |
0044-00995-1 |
|
Gaia DR2 |
2520234861663995904 |
|
HD |
14070 |
|
BD |
BD+05 309 |
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| Distance |
52.85 |
|
Distance ly |
172.4 |
|
ORBITAL ELEMENTS
| Period (P) | 13.61y | ± 0.14 |
Periastron (T) | 2010.705y | ± 0.032 |
Semi-major axis (a) | 0.1255a | ± 0.0017 |
| Eccentricity (e) | 0.4529 | ± 0.0078 |
Inclination (i) | 22.9° | ± 4 |
Longitude of periastron (ω) | 248° | ± 12 |
| Node (Ω) | 192° | ± 12 |
Notes | | |
Reference | Hor2021b | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
206.2 |
0.137 |
| 2001 |
222.2 |
0.154 |
| 2002 |
235.6 |
0.165 |
| 2003 |
247.7 |
0.170 |
| 2004 |
259.5 |
0.170 |
| 2005 |
271.6 |
0.165 |
| 2006 |
284.9 |
0.156 |
| 2007 |
300.1 |
0.143 |
| 2008 |
319.0 |
0.126 |
| 2009 |
345.1 |
0.104 |
| 2010 |
27.7 |
0.077 |
| 2011 |
102.9 |
0.065 |
| 2012 |
163.5 |
0.092 |
| 2013 |
193.7 |
0.122 |
| 2014 |
212.9 |
0.145 |
| 2015 |
227.7 |
0.159 |
| 2016 |
240.4 |
0.168 |
| 2017 |
252.3 |
0.170 |
| 2018 |
264.2 |
0.169 |
| 2019 |
276.6 |
0.162 |
| 2020 |
290.5 |
0.152 |
| 2021 |
306.9 |
0.137 |
| 2022 |
328.0 |
0.118 |
| 2023 |
358.8 |
0.094 |
| 2024 |
53.3 |
0.068 |
| 2025 |
131.8 |
0.072 |
| 2026 |
177.4 |
0.104 |
| 2027 |
202.0 |
0.132 |
| 2028 |
219.0 |
0.151 |
| 2029 |
232.8 |
0.163 |
| 2030 |
245.1 |
0.169 |
|
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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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