01014+3535 COU 854 (HD 5955)
01h 01m 25.08s +35° 34' 43.4" P.A. 196.00 sep 0.2 mag 9.95,9.52 Sp F8 dist. 150.38 pc (490.54 l.y.)
| Coord 2000 |
01014+3535 |
|
Discov num |
COU 854 |
|
Comp |
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Coord arcsec 2000 |
01 01 25.08 +35 34 43.4 |
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| Date first |
1972 |
|
Date last |
2013 |
|
Obs |
46 |
|
| Pa first |
60 |
|
Pa last |
196.4 |
|
P.A. Now (θ) |
320.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.185 |
|
Sep. Now (ρ) |
0.14" |
|
| Mag pri |
9.95 |
|
Mag sec |
9.52 |
|
delta mag (ΔM) |
0.43 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+032 |
|
Sec motion ra |
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| Pri motion dec |
-026 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 5955 |
|
Constellation |
Andromeda |
|
SAO |
54349 |
|
HIP |
4783 |
|
| Tycho2 |
2285-00592-1 |
|
Gaia DR2 |
363428866888743168 |
|
HD |
5955 |
|
BD |
BD+34 164 |
|
| Distance |
150.38 |
|
Distance ly |
490.54 |
|
ORBITAL ELEMENTS
| Period (P) | 68.11y | ± 3.71 |
Periastron (T) | 1999.59y | ± 4.24 |
Semi-major axis (a) | 0.149a | ± 0.005 |
| Eccentricity (e) | 0.123 | ± 0.022 |
Inclination (i) | 150.4° | ± 7.7 |
Longitude of periastron (ω) | 127° | ± 21.4 |
| Node (Ω) | 221.1° | ± 10.4 |
Notes | n | |
Reference | Hrt2009 | |
| Equinox | | |
Last observation | 2007 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
87.3 |
0.121 |
| 2001 |
80.5 |
0.123 |
| 2002 |
74.0 |
0.125 |
| 2003 |
67.6 |
0.128 |
| 2004 |
61.6 |
0.130 |
| 2005 |
55.7 |
0.132 |
| 2006 |
50.0 |
0.134 |
| 2007 |
44.4 |
0.136 |
| 2008 |
39.0 |
0.137 |
| 2009 |
33.6 |
0.138 |
| 2010 |
28.4 |
0.139 |
| 2011 |
23.1 |
0.140 |
| 2012 |
18.0 |
0.140 |
| 2013 |
12.8 |
0.140 |
| 2014 |
7.6 |
0.140 |
| 2015 |
2.5 |
0.140 |
| 2016 |
357.3 |
0.140 |
| 2017 |
352.1 |
0.140 |
| 2018 |
346.9 |
0.139 |
| 2019 |
341.7 |
0.139 |
| 2020 |
336.5 |
0.139 |
| 2021 |
331.3 |
0.139 |
| 2022 |
326.1 |
0.140 |
| 2023 |
320.9 |
0.140 |
| 2024 |
315.8 |
0.141 |
| 2025 |
310.7 |
0.142 |
| 2026 |
305.7 |
0.143 |
| 2027 |
300.7 |
0.144 |
| 2028 |
295.9 |
0.145 |
| 2029 |
291.1 |
0.146 |
| 2030 |
286.4 |
0.148 |
| 2031 |
281.8 |
0.150 |
| 2032 |
277.4 |
0.151 |
| 2033 |
273.0 |
0.153 |
| 2034 |
268.7 |
0.154 |
| 2035 |
264.5 |
0.156 |
| 2036 |
260.3 |
0.157 |
| 2037 |
256.3 |
0.158 |
| 2038 |
252.2 |
0.159 |
| 2039 |
248.3 |
0.160 |
| 2040 |
244.4 |
0.161 |
| 2041 |
240.5 |
0.161 |
| 2042 |
236.6 |
0.161 |
| 2043 |
232.7 |
0.161 |
| 2044 |
228.7 |
0.160 |
| 2045 |
224.8 |
0.160 |
| 2046 |
220.8 |
0.158 |
| 2047 |
216.7 |
0.157 |
| 2048 |
212.5 |
0.155 |
| 2049 |
208.3 |
0.153 |
| 2050 |
203.9 |
0.150 |
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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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