05013+5015 STF 619 (HD 31796)
05h 01m 19.93s +50° 15' 25.3" P.A. 162.00 sep 4.2 mag 9.51,9.88 Sp F4V
Coord 2000 |
05013+5015 |
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Discov num |
STF 619 |
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Comp |
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Coord arcsec 2000 |
05 01 19.93 +50 15 25.3 |
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Date first |
1830 |
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Date last |
2021 |
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Obs |
135 |
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Pa first |
106 |
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Pa last |
161.7 |
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P.A. Now (θ) |
161.7° |
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Sep first |
5.4 |
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Sep last |
4.23 |
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Sep. Now (ρ) |
4.23" |
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Mag pri |
9.51 |
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Mag sec |
9.88 |
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delta mag (ΔM) |
0.37 |
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Spectral class |
F4V (yellow-white) |
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Pri motion ra |
+020 |
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Sec motion ra |
-001 |
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Pri motion dec |
-029 |
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Sec motion dec |
-041 |
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Notes |
O
(Orbital solution) |
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rPM=0.59
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 31796 |
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Constellation |
Auriga |
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SAO |
24955 |
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Tycho2 |
3352-00841-1 |
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Gaia DR2 |
256595846076116224 |
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HD |
31796 |
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GC |
6099 |
|
ADS |
3593 |
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ORBITAL ELEMENTS
Period (P) | 490c | |
Periastron (T) | 2014y | |
Semi-major axis (a) | 48a | |
Eccentricity (e) | 0.88 | |
Inclination (i) | 45° | |
Longitude of periastron (ω) | 275° | |
Node (Ω) | 242° | |
Notes | | |
Reference | Kis2009 | |
Equinox | | |
Last observation | 1999 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
154.3 |
4.078 |
2001 |
154.6 |
4.078 |
2002 |
155.0 |
4.078 |
2003 |
155.3 |
4.078 |
2004 |
155.6 |
4.079 |
2005 |
156.0 |
4.079 |
2006 |
156.3 |
4.080 |
2007 |
156.7 |
4.081 |
2008 |
157.0 |
4.081 |
2009 |
157.3 |
4.082 |
2010 |
157.7 |
4.083 |
2011 |
158.0 |
4.084 |
2012 |
158.4 |
4.086 |
2013 |
158.7 |
4.087 |
2014 |
159.1 |
4.088 |
2015 |
159.4 |
4.090 |
2016 |
159.7 |
4.092 |
2017 |
160.1 |
4.093 |
2018 |
160.4 |
4.095 |
2019 |
160.8 |
4.097 |
2020 |
161.1 |
4.099 |
2021 |
161.4 |
4.101 |
2022 |
161.8 |
4.104 |
2023 |
162.1 |
4.106 |
2024 |
162.4 |
4.109 |
2025 |
162.8 |
4.111 |
2026 |
163.1 |
4.114 |
2027 |
163.4 |
4.117 |
2028 |
163.8 |
4.119 |
2029 |
164.1 |
4.122 |
2030 |
164.5 |
4.126 |
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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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