04395+3408 COU 1085 (V584 Aur)
04h 39m 30.99s +34° 07' 45.0" P.A. 256.00 sep 0.5 mag 10.07,11.36 Sp K2 dist. 130.55 pc (425.85 l.y.)
| Coord 2000 |
04395+3408 |
|
Discov num |
COU1085 |
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Comp |
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Coord arcsec 2000 |
04 39 30.99 +34 07 45.0 |
|
| Date first |
1974 |
|
Date last |
2012 |
|
Obs |
12 |
|
| Pa first |
347 |
|
Pa last |
255.9 |
|
P.A. Now (θ) |
255.9° |
|
| Sep first |
0.3 |
|
Sep last |
0.477 |
|
Sep. Now (ρ) |
0.477" |
|
| Mag pri |
10.07 |
|
Mag sec |
11.36 |
|
delta mag (ΔM) |
1.29 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+034 |
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Sec motion ra |
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| Pri motion dec |
-052 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V584 Aur |
|
Constellation |
Auriga |
|
HIP |
21697 |
|
Tycho2 |
2382-00828-1 |
|
| Gaia DR2 |
173711807712988160 |
|
HD |
282346 |
|
BD |
BD+33 887 |
|
Distance |
130.55 |
|
| Distance ly |
425.85 |
|
ORBITAL ELEMENTS
| Period (P) | 165.5y | |
Periastron (T) | 1973.88y | |
Semi-major axis (a) | 0.385a | |
| Eccentricity (e) | 0.1 | |
Inclination (i) | 146° | |
Longitude of periastron (ω) | 97.9° | |
| Node (Ω) | 87.5° | |
Notes | | |
Reference | Cou1999b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
280.1 |
0.363 |
| 2001 |
278.1 |
0.365 |
| 2002 |
276.1 |
0.368 |
| 2003 |
274.1 |
0.370 |
| 2004 |
272.2 |
0.372 |
| 2005 |
270.3 |
0.374 |
| 2006 |
268.4 |
0.375 |
| 2007 |
266.5 |
0.377 |
| 2008 |
264.6 |
0.378 |
| 2009 |
262.8 |
0.379 |
| 2010 |
260.9 |
0.380 |
| 2011 |
259.1 |
0.381 |
| 2012 |
257.3 |
0.381 |
| 2013 |
255.4 |
0.382 |
| 2014 |
253.6 |
0.382 |
| 2015 |
251.8 |
0.382 |
| 2016 |
250.0 |
0.382 |
| 2017 |
248.1 |
0.382 |
| 2018 |
246.3 |
0.382 |
| 2019 |
244.5 |
0.381 |
| 2020 |
242.7 |
0.381 |
| 2021 |
240.8 |
0.380 |
| 2022 |
239.0 |
0.379 |
| 2023 |
237.1 |
0.378 |
| 2024 |
235.2 |
0.377 |
| 2025 |
233.4 |
0.376 |
| 2026 |
231.5 |
0.375 |
| 2027 |
229.6 |
0.374 |
| 2028 |
227.7 |
0.372 |
| 2029 |
225.8 |
0.371 |
| 2030 |
223.8 |
0.370 |
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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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