05535+3720 BU 1053 (HD 39315)
05h 53m 28.64s +37° 20' 20.7" sep 1.9 mag 6.91,8.83 Sp F5 dist. 68.54 pc (223.58 l.y.)
Coord 2000 |
05535+3720 |
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Discov num |
BU 1053 |
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Comp |
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Coord arcsec 2000 |
05 53 28.64 +37 20 20.7 |
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Date first |
1889 |
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Date last |
2019 |
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Obs |
62 |
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Pa first |
283 |
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Pa last |
0.4 |
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P.A. Now (θ) |
0.4° |
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Sep first |
0.4 |
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Sep last |
1.899 |
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Sep. Now (ρ) |
1.899" |
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Mag pri |
6.91 |
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Mag sec |
8.83 |
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delta mag (ΔM) |
1.92 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
-038 |
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Sec motion ra |
-038 |
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Pri motion dec |
+079 |
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Sec motion dec |
+079 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 39315 |
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Constellation |
Auriga |
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SAO |
58535 |
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HIP |
27844 |
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Tycho2 |
2418-00518-1 |
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Gaia DR2 |
3456154930349411200 |
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HD |
39315 |
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GC |
7386 |
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ADS |
4472 |
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BD |
BD+37 1347 |
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Distance |
68.54 |
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Distance ly |
223.58 |
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ORBITAL ELEMENTS
Period (P) | 688.418y | ± 358.9154 |
Periastron (T) | 1912.4542y | ± 13.9327 |
Semi-major axis (a) | 2.16606a | ± 0.96334 |
Eccentricity (e) | 0.75317 | ± 0.20062 |
Inclination (i) | 69.182° | ± 7.164 |
Longitude of periastron (ω) | 77.835° | ± 18.542 |
Node (Ω) | 162.539° | ± 16.838 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2013 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
357.0 |
1.785 |
2001 |
357.2 |
1.791 |
2002 |
357.4 |
1.796 |
2003 |
357.5 |
1.802 |
2004 |
357.7 |
1.808 |
2005 |
357.9 |
1.813 |
2006 |
358.1 |
1.818 |
2007 |
358.2 |
1.824 |
2008 |
358.4 |
1.829 |
2009 |
358.6 |
1.834 |
2010 |
358.8 |
1.839 |
2011 |
358.9 |
1.843 |
2012 |
359.1 |
1.848 |
2013 |
359.3 |
1.853 |
2014 |
359.4 |
1.857 |
2015 |
359.6 |
1.861 |
2016 |
359.8 |
1.865 |
2017 |
359.9 |
1.870 |
2018 |
0.1 |
1.874 |
2019 |
0.3 |
1.877 |
2020 |
0.4 |
1.881 |
2021 |
0.6 |
1.885 |
2022 |
0.7 |
1.889 |
2023 |
0.9 |
1.892 |
2024 |
1.1 |
1.895 |
2025 |
1.2 |
1.899 |
2026 |
1.4 |
1.902 |
2027 |
1.5 |
1.905 |
2028 |
1.7 |
1.908 |
2029 |
1.9 |
1.911 |
2030 |
2.0 |
1.914 |
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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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