08243+4457 STF 1217 (HD 70516)
08h 24m 15.65s +44° 56' 59.0" P.A. 242.00 sep 29.1 mag 7.79,9.39 Sp G2V+K2V dist. 37.75 pc (123.14 l.y.)
Coord 2000 |
08243+4457 |
|
Discov num |
STF1217 |
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Comp |
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Coord arcsec 2000 |
08 24 15.65 +44 56 59.0 |
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Date first |
1830 |
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Date last |
2019 |
|
Obs |
61 |
|
Pa first |
241 |
|
Pa last |
242.3 |
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P.A. Now (θ) |
242.3° |
|
Sep first |
29.8 |
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Sep last |
29.063 |
|
Sep. Now (ρ) |
29.063" |
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Mag pri |
7.79 |
|
Mag sec |
9.39 |
|
delta mag (ΔM) |
1.6 |
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Spectral class |
G2V+K2V (yellow/yellow-orange) |
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Pri motion ra |
-063 |
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Sec motion ra |
-060 |
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Pri motion dec |
-178 |
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Sec motion dec |
-177 |
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Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
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rPM=0.017 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 70516 |
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Constellation |
Lynx |
|
SAO |
42337 |
|
HIP |
41184 |
|
Tycho2 |
2980-02124-1 |
|
Gaia DR2 |
917982605923642752 |
|
HD |
70516 |
|
GC |
11447 |
|
ADS |
6783 |
|
BD |
BD+45 1575 |
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Distance |
37.75 |
|
Distance ly |
123.14 |
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ORBITAL ELEMENTS SOLUTION #1
Period (P) | 160c | |
Periastron (T) | 6845y | |
Semi-major axis (a) | 21a | |
Eccentricity (e) | 0.94 | |
Inclination (i) | 81° | |
Longitude of periastron (ω) | 212° | |
Node (Ω) | 235° | |
Notes | n | |
Reference | Kis2009 | |
Equinox | | |
Last observation | 2005 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
242.2 |
28.687 |
2001 |
242.2 |
28.683 |
2002 |
242.2 |
28.680 |
2003 |
242.2 |
28.677 |
2004 |
242.2 |
28.674 |
2005 |
242.2 |
28.671 |
2006 |
242.2 |
28.668 |
2007 |
242.2 |
28.665 |
2008 |
242.2 |
28.662 |
2009 |
242.2 |
28.658 |
2010 |
242.2 |
28.655 |
2011 |
242.2 |
28.652 |
2012 |
242.2 |
28.649 |
2013 |
242.2 |
28.646 |
2014 |
242.2 |
28.643 |
2015 |
242.2 |
28.640 |
2016 |
242.2 |
28.636 |
2017 |
242.2 |
28.633 |
2018 |
242.2 |
28.630 |
2019 |
242.2 |
28.627 |
2020 |
242.2 |
28.624 |
2021 |
242.2 |
28.621 |
2022 |
242.2 |
28.618 |
2023 |
242.2 |
28.614 |
2024 |
242.2 |
28.611 |
2025 |
242.2 |
28.608 |
2026 |
242.2 |
28.605 |
2027 |
242.2 |
28.602 |
2028 |
242.2 |
28.599 |
2029 |
242.2 |
28.596 |
2030 |
242.2 |
28.592 |
|
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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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ORBITAL ELEMENTS SOLUTION #2
Period (P) | 160c | |
Periastron (T) | 7497y | |
Semi-major axis (a) | 21a | |
Eccentricity (e) | 0.87 | |
Inclination (i) | 84° | |
Longitude of periastron (ω) | 30° | |
Node (Ω) | 58° | |
Notes | n | |
Reference | Kis2009 | |
Equinox | | |
Last observation | 2005 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
242.7 |
28.892 |
2001 |
242.7 |
28.889 |
2002 |
242.7 |
28.886 |
2003 |
242.7 |
28.883 |
2004 |
242.7 |
28.879 |
2005 |
242.7 |
28.876 |
2006 |
242.7 |
28.873 |
2007 |
242.7 |
28.870 |
2008 |
242.7 |
28.867 |
2009 |
242.7 |
28.864 |
2010 |
242.7 |
28.861 |
2011 |
242.7 |
28.858 |
2012 |
242.7 |
28.855 |
2013 |
242.7 |
28.852 |
2014 |
242.7 |
28.849 |
2015 |
242.7 |
28.846 |
2016 |
242.7 |
28.842 |
2017 |
242.7 |
28.839 |
2018 |
242.7 |
28.836 |
2019 |
242.7 |
28.833 |
2020 |
242.7 |
28.830 |
2021 |
242.7 |
28.827 |
2022 |
242.7 |
28.824 |
2023 |
242.7 |
28.821 |
2024 |
242.7 |
28.818 |
2025 |
242.7 |
28.815 |
2026 |
242.7 |
28.812 |
2027 |
242.7 |
28.808 |
2028 |
242.7 |
28.805 |
2029 |
242.7 |
28.802 |
2030 |
242.7 |
28.799 |
|
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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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