05413+1632 BU 1007 (126 Tau)
05h 41m 17.72s +16° 32' 03.1" P.A. 248.00 sep 0.2 mag 5.04,6.56 Sp B8V+B7V dist. 194.93 pc (635.86 l.y.)
Coord 2000 |
05413+1632 |
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Discov num |
BU 1007 |
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Comp |
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Coord arcsec 2000 |
05 41 17.72 +16 32 03.1 |
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Date first |
1881 |
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Date last |
2011 |
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Obs |
156 |
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Pa first |
266 |
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Pa last |
248.4 |
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P.A. Now (θ) |
259° |
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Sep first |
0.3 |
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Sep last |
0.216 |
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Sep. Now (ρ) |
0.115" |
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Mag pri |
5.04 |
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Mag sec |
6.56 |
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delta mag (ΔM) |
1.52 |
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Spectral class |
B8V+B7V (blue-white/blue-white) |
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Pri motion ra |
+005 |
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Sec motion ra |
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Pri motion dec |
-011 |
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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 |
126 Tau |
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Var name |
NSV2560 Tau |
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Constellation |
Taurus |
|
SAO |
94759 |
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HIP |
26777 |
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Tycho2 |
1298-00373-1 |
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Gaia DR2 |
3396380255582857728 |
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HD |
37711 |
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HR |
1946 |
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GC |
7094 |
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ADS |
4265 |
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BD |
BD+16 841 |
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Flamsteed |
126 Tauri |
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Flamsteed name |
126 Tau |
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Distance |
194.93 |
|
Distance ly |
635.86 |
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ORBITAL ELEMENTS
Period (P) | 111.02y | ± 1.37 |
Periastron (T) | 1938.13y | ± 1.64 |
Semi-major axis (a) | 0.245a | ± 0.014 |
Eccentricity (e) | 0.661 | ± 0.036 |
Inclination (i) | 80.5° | ± 1.1 |
Longitude of periastron (ω) | 40.9° | ± 5.8 |
Node (Ω) | 53.2° | ± 0.8 |
Notes | n | |
Reference | Dru2014 | |
Equinox | | |
Last observation | 2011 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
243.1 |
0.281 |
2001 |
243.4 |
0.276 |
2002 |
243.7 |
0.271 |
2003 |
244.1 |
0.265 |
2004 |
244.4 |
0.259 |
2005 |
244.8 |
0.253 |
2006 |
245.2 |
0.247 |
2007 |
245.6 |
0.240 |
2008 |
246.0 |
0.234 |
2009 |
246.4 |
0.227 |
2010 |
246.9 |
0.220 |
2011 |
247.4 |
0.213 |
2012 |
248.0 |
0.205 |
2013 |
248.6 |
0.198 |
2014 |
249.2 |
0.190 |
2015 |
249.9 |
0.182 |
2016 |
250.7 |
0.174 |
2017 |
251.5 |
0.166 |
2018 |
252.4 |
0.158 |
2019 |
253.5 |
0.150 |
2020 |
254.6 |
0.141 |
2021 |
255.9 |
0.133 |
2022 |
257.3 |
0.124 |
2023 |
259.0 |
0.115 |
2024 |
261.0 |
0.106 |
2025 |
263.3 |
0.098 |
2026 |
266.1 |
0.089 |
2027 |
269.5 |
0.080 |
2028 |
273.7 |
0.072 |
2029 |
279.0 |
0.064 |
2030 |
285.7 |
0.056 |
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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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