03590+0947 HU 27 (HD 25034)
03h 59m 00.32s +09° 46' 54.0" P.A. 331.00 sep 0.4 mag 8.96,9.05 Sp G0 dist. 76.16 pc (248.43 l.y.)
Coord 2000 |
03590+0947 |
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Discov num |
HU 27 |
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Comp |
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Coord arcsec 2000 |
03 59 00.32 +09 46 54.0 |
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Date first |
1899 |
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Date last |
2019 |
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Obs |
68 |
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Pa first |
211 |
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Pa last |
330.9 |
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P.A. Now (θ) |
330.9° |
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Sep first |
0.6 |
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Sep last |
0.44 |
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Sep. Now (ρ) |
0.44" |
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Mag pri |
8.96 |
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Mag sec |
9.05 |
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delta mag (ΔM) |
0.09 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+095 |
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Sec motion ra |
+095 |
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Pri motion dec |
-050 |
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Sec motion dec |
-050 |
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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 25034 |
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Constellation |
Taurus |
|
SAO |
111540 |
|
HIP |
18618 |
|
Tycho2 |
0659-00175-1 |
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Gaia DR2 |
3302095415513366016 |
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HD |
25034 |
|
ADS |
2911 |
|
BD |
BD+09 523 |
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Distance |
76.16 |
|
Distance ly |
248.43 |
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ORBITAL ELEMENTS
Period (P) | 276y | |
Periastron (T) | 2083y | |
Semi-major axis (a) | 0.809a | |
Eccentricity (e) | 0.673 | |
Inclination (i) | 77.7° | |
Longitude of periastron (ω) | 261.6° | |
Node (Ω) | 184.1° | |
Notes | n | |
Reference | Hrt2010a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
319.5 |
0.355 |
2001 |
320.5 |
0.359 |
2002 |
321.6 |
0.363 |
2003 |
322.6 |
0.368 |
2004 |
323.5 |
0.373 |
2005 |
324.5 |
0.377 |
2006 |
325.4 |
0.382 |
2007 |
326.3 |
0.386 |
2008 |
327.2 |
0.391 |
2009 |
328.1 |
0.396 |
2010 |
328.9 |
0.401 |
2011 |
329.8 |
0.405 |
2012 |
330.6 |
0.410 |
2013 |
331.4 |
0.415 |
2014 |
332.1 |
0.420 |
2015 |
332.9 |
0.424 |
2016 |
333.6 |
0.429 |
2017 |
334.4 |
0.434 |
2018 |
335.1 |
0.439 |
2019 |
335.8 |
0.443 |
2020 |
336.4 |
0.448 |
2021 |
337.1 |
0.452 |
2022 |
337.8 |
0.457 |
2023 |
338.4 |
0.461 |
2024 |
339.0 |
0.466 |
2025 |
339.6 |
0.470 |
2026 |
340.2 |
0.474 |
2027 |
340.8 |
0.478 |
2028 |
341.4 |
0.482 |
2029 |
342.0 |
0.486 |
2030 |
342.6 |
0.490 |
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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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