00055+3406 HU 1201 AB (HD 39)
00h 05m 29.06s +34° 06' 20.4" P.A. 311.00 sep 0.1 mag 8.20,9.76 Sp F8 dist. 97.09 pc (316.71 l.y.)
Coord 2000 |
00055+3406 |
|
Discov num |
HU 1201 |
|
Comp |
AB |
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Coord arcsec 2000 |
00 05 29.06 +34 06 20.4 |
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Date first |
1904 |
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Date last |
2014 |
|
Obs |
36 |
|
Pa first |
310 |
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Pa last |
310.6 |
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P.A. Now (θ) |
304.5° |
|
Sep first |
0.2 |
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Sep last |
0.147 |
|
Sep. Now (ρ) |
0.057" |
|
Mag pri |
8.20 |
|
Mag sec |
9.76 |
|
delta mag (ΔM) |
1.56 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-015 |
|
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.
00055+3406 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 39 |
53635 |
00 05 29 +34 06 20 |
HU 1201 AB |
2014 |
36 |
311 |
0.1 |
8.20 |
9.76 |
1.56 |
Y |
<=== |
Show |
|
53635 |
00 05 29 +34 06 20 |
HO 490 AC |
2015 |
12 |
163 |
25.3 |
8.20 |
13.40 |
5.20 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 39 |
|
Constellation |
Andromeda |
|
SAO |
53635 |
|
HIP |
461 |
|
Tycho2 |
2267-01706-1 |
|
Gaia DR2 |
2874421366954299904 |
|
HD |
39 |
|
ADS |
51 |
|
BD |
BD+33 4832 |
|
Distance |
97.09 |
|
Distance ly |
316.71 |
|
ORBITAL ELEMENTS
Period (P) | 47.06y | |
Periastron (T) | 1983.89y | |
Semi-major axis (a) | 0.138a | |
Eccentricity (e) | 0.651 | |
Inclination (i) | 91.5° | |
Longitude of periastron (ω) | 23.9° | |
Node (Ω) | 128.1° | |
Notes | n | |
Reference | Zir2003 | |
Equinox | 2000 | |
Last observation | 1998 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
307.9 |
0.210 |
2001 |
307.8 |
0.212 |
2002 |
307.8 |
0.214 |
2003 |
307.7 |
0.215 |
2004 |
307.7 |
0.215 |
2005 |
307.6 |
0.214 |
2006 |
307.5 |
0.212 |
2007 |
307.5 |
0.210 |
2008 |
307.4 |
0.206 |
2009 |
307.3 |
0.202 |
2010 |
307.3 |
0.197 |
2011 |
307.2 |
0.191 |
2012 |
307.1 |
0.184 |
2013 |
307.0 |
0.177 |
2014 |
306.9 |
0.168 |
2015 |
306.8 |
0.159 |
2016 |
306.7 |
0.149 |
2017 |
306.5 |
0.139 |
2018 |
306.4 |
0.127 |
2019 |
306.2 |
0.115 |
2020 |
305.9 |
0.102 |
2021 |
305.6 |
0.088 |
2022 |
305.2 |
0.073 |
2023 |
304.5 |
0.057 |
2024 |
303.2 |
0.041 |
2025 |
300.3 |
0.024 |
2026 |
281.6 |
0.007 |
2027 |
140.2 |
0.012 |
2028 |
132.1 |
0.029 |
2029 |
129.8 |
0.044 |
2030 |
128.6 |
0.051 |
2031 |
127.4 |
0.043 |
2032 |
124.0 |
0.019 |
2033 |
316.9 |
0.012 |
2034 |
310.8 |
0.041 |
2035 |
309.8 |
0.067 |
2036 |
309.3 |
0.090 |
2037 |
309.0 |
0.110 |
2038 |
308.8 |
0.127 |
2039 |
308.6 |
0.143 |
2040 |
308.5 |
0.156 |
2041 |
308.4 |
0.168 |
2042 |
308.3 |
0.178 |
2043 |
308.2 |
0.187 |
2044 |
308.1 |
0.194 |
2045 |
308.0 |
0.201 |
2046 |
308.0 |
0.206 |
2047 |
307.9 |
0.209 |
2048 |
307.8 |
0.212 |
2049 |
307.8 |
0.214 |
2050 |
307.7 |
0.215 |
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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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