02201-0332 HDS 305 Aa,Ab (HD 14473)
02h 20m 04.95s -03° 32' 05.3" P.A. 181.00 sep 0.1 mag 8.78,9.09 Sp F5 dist. 90.01 pc (293.61 l.y.)
| Coord 2000 |
02201-0332 |
|
Discov num |
HDS 305 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
02 20 04.95 -03 32 05.3 |
|
| Date first |
1991 |
|
Date last |
2023 |
|
Obs |
14 |
|
| Pa first |
341 |
|
Pa last |
180.5 |
|
P.A. Now (θ) |
191.3° |
|
| Sep first |
0.1 |
|
Sep last |
0.079 |
|
Sep. Now (ρ) |
0.088" |
|
| Mag pri |
8.78 |
|
Mag sec |
9.09 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-087 |
|
Sec motion ra |
|
|
| Pri motion dec |
-046 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
02201-0332 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 14473 |
129837 |
02 20 05 -03 32 05 |
HDS 305 Aa,Ab |
2023 |
14 |
181 |
0.1 |
8.78 |
9.09 |
0.31 |
Y |
<=== |
| Show |
|
129837 |
02 20 05 -03 32 05 |
HEI 887 AB |
1996 |
2 |
106 |
1.7 |
8.78 |
12.80 |
4.02 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 14473 |
|
Constellation |
Cetus |
|
SAO |
129837 |
|
HIP |
10885 |
|
| Tycho2 |
4694-00994-1 |
|
Gaia DR2 |
2492934262824268928 |
|
HD |
14473 |
|
BD |
BD-04 379 |
|
| Distance |
90.01 |
|
Distance ly |
293.61 |
|
ORBITAL ELEMENTS
| Period (P) | 24.08y | |
Periastron (T) | 1998.53y | |
Semi-major axis (a) | 0.122a | |
| Eccentricity (e) | 0.387 | |
Inclination (i) | 40.8° | |
Longitude of periastron (ω) | 318.2° | |
| Node (Ω) | 165.4° | |
Notes | | |
Reference | Tok2018i | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
171.7 |
0.083 |
| 2001 |
192.9 |
0.088 |
| 2002 |
212.0 |
0.092 |
| 2003 |
229.8 |
0.096 |
| 2004 |
245.9 |
0.101 |
| 2005 |
260.1 |
0.108 |
| 2006 |
272.3 |
0.117 |
| 2007 |
282.9 |
0.126 |
| 2008 |
292.0 |
0.135 |
| 2009 |
300.1 |
0.142 |
| 2010 |
307.4 |
0.149 |
| 2011 |
314.1 |
0.154 |
| 2012 |
320.5 |
0.157 |
| 2013 |
326.7 |
0.158 |
| 2014 |
333.0 |
0.157 |
| 2015 |
339.5 |
0.152 |
| 2016 |
346.5 |
0.144 |
| 2017 |
354.6 |
0.133 |
| 2018 |
4.4 |
0.118 |
| 2019 |
17.4 |
0.100 |
| 2020 |
36.8 |
0.080 |
| 2021 |
67.5 |
0.064 |
| 2022 |
108.3 |
0.062 |
| 2023 |
143.8 |
0.072 |
| 2024 |
169.9 |
0.082 |
| 2025 |
191.3 |
0.088 |
| 2026 |
210.5 |
0.091 |
| 2027 |
228.4 |
0.095 |
| 2028 |
244.7 |
0.101 |
| 2029 |
259.0 |
0.108 |
| 2030 |
271.4 |
0.116 |
| 2031 |
282.1 |
0.125 |
| 2032 |
291.3 |
0.134 |
| 2033 |
299.5 |
0.142 |
| 2034 |
306.9 |
0.149 |
| 2035 |
313.6 |
0.154 |
| 2036 |
320.0 |
0.157 |
| 2037 |
326.2 |
0.158 |
| 2038 |
332.5 |
0.157 |
| 2039 |
338.9 |
0.153 |
| 2040 |
345.9 |
0.145 |
| 2041 |
353.9 |
0.134 |
| 2042 |
3.5 |
0.120 |
| 2043 |
16.2 |
0.102 |
| 2044 |
34.9 |
0.082 |
| 2045 |
64.5 |
0.065 |
| 2046 |
105.1 |
0.061 |
| 2047 |
141.4 |
0.071 |
| 2048 |
168.0 |
0.081 |
| 2049 |
189.6 |
0.088 |
| 2050 |
209.0 |
0.091 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
