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 |
|
Coord arcsec 2000 |
00 05 29.06 +34 06 20.4 |
|
| Date first |
1904 |
|
Date last |
2014 |
|
Obs |
36 |
|
| Pa first |
310 |
|
Pa last |
310.6 |
|
P.A. Now (θ) |
304.5° |
|
| Sep first |
0.2 |
|
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 |
|
|
| Pri motion dec |
+026 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
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 |
|
|
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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