03545+0510 A 1831 BC
03h 54m 27.09s +05° 11' 28.2" P.A. 237.00 sep 0.2 mag 9.38,10.35 Sp A7 dist. 291.55 pc (951.04 l.y.)
Coord 2000 |
03545+0510 |
|
Discov num |
A 1831 |
|
Comp |
BC |
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Coord arcsec 2000 |
03 54 27.09 +05 11 28.2 |
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Date first |
1908 |
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Date last |
2021 |
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Obs |
16 |
|
Pa first |
35 |
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Pa last |
236.8 |
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P.A. Now (θ) |
236.8° |
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Sep first |
0.2 |
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Sep last |
0.176 |
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Sep. Now (ρ) |
0.176" |
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Mag pri |
9.38 |
|
Mag sec |
10.35 |
|
delta mag (ΔM) |
0.97 |
|
Spectral class |
A7 (white) |
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Pri motion ra |
+008 |
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Sec motion ra |
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Pri motion dec |
-009 |
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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.
03545+0510 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
V479 Tau |
111492 |
03 54 27 +05 10 28 |
STTA 41 A,BC |
2014 |
35 |
358 |
59.6 |
7.46 |
8.93 |
1.47 |
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Show |
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03 54 27 +05 11 28 |
A 1831 BC |
2021 |
16 |
237 |
0.2 |
9.38 |
10.35 |
0.97 |
Y |
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
HIP |
18264 |
|
Tycho2 |
0072-00917-1 |
|
Gaia DR2 |
3273629059470570368 |
|
HD |
24550 |
|
ADS |
2849 |
|
BD |
BD+04 600 |
|
Distance |
291.55 |
|
Distance ly |
951.04 |
|
ORBITAL ELEMENTS
Period (P) | 216.02y | ± 42.23 |
Periastron (T) | 1986.2y | ± 25.43 |
Semi-major axis (a) | 0.187a | ± 0.013 |
Eccentricity (e) | 0.099 | ± 0.144 |
Inclination (i) | 56° | ± 5.4 |
Longitude of periastron (ω) | 300.1° | ± 47.3 |
Node (Ω) | 231.8° | ± 5.3 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
212.6 |
0.153 |
2001 |
214.0 |
0.155 |
2002 |
215.3 |
0.157 |
2003 |
216.6 |
0.159 |
2004 |
217.8 |
0.161 |
2005 |
219.1 |
0.163 |
2006 |
220.3 |
0.165 |
2007 |
221.5 |
0.167 |
2008 |
222.6 |
0.168 |
2009 |
223.8 |
0.170 |
2010 |
224.9 |
0.171 |
2011 |
226.0 |
0.172 |
2012 |
227.1 |
0.173 |
2013 |
228.1 |
0.174 |
2014 |
229.2 |
0.175 |
2015 |
230.3 |
0.176 |
2016 |
231.3 |
0.176 |
2017 |
232.3 |
0.177 |
2018 |
233.4 |
0.177 |
2019 |
234.4 |
0.177 |
2020 |
235.5 |
0.177 |
2021 |
236.5 |
0.177 |
2022 |
237.5 |
0.177 |
2023 |
238.5 |
0.177 |
2024 |
239.6 |
0.177 |
2025 |
240.6 |
0.176 |
2026 |
241.7 |
0.176 |
2027 |
242.7 |
0.175 |
2028 |
243.8 |
0.174 |
2029 |
244.9 |
0.173 |
2030 |
246.0 |
0.172 |
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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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