10192+2034 STF 1423 (HD 89376)
10h 19m 10.64s +20° 33' 48.1" P.A. 308.00 sep 0.7 mag 9.40,10.08 Sp K0 dist. 58.79 pc (191.77 l.y.)
Coord 2000 |
10192+2034 |
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Discov num |
STF1423 |
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Comp |
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Coord arcsec 2000 |
10 19 10.64 +20 33 48.1 |
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Date first |
1830 |
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Date last |
2018 |
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Obs |
149 |
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Pa first |
99 |
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Pa last |
308.3 |
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P.A. Now (θ) |
290.9° |
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Sep first |
1.1 |
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Sep last |
0.71 |
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Sep. Now (ρ) |
0.579" |
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Mag pri |
9.40 |
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Mag sec |
10.08 |
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delta mag (ΔM) |
0.68 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
-164 |
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Sec motion ra |
-164 |
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Pri motion dec |
-020 |
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Sec motion dec |
-020 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 89376 |
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Constellation |
Leo |
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SAO |
81288 |
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HIP |
50524 |
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Tycho2 |
1426-01210-1 |
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Gaia DR2 |
625571989641269120 |
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HD |
89376 |
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GC |
14156 |
|
ADS |
7721 |
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BD |
BD+21 2172 |
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Distance |
58.79 |
|
Distance ly |
191.77 |
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ORBITAL ELEMENTS
Period (P) | 258y | |
Periastron (T) | 2039y | |
Semi-major axis (a) | 1.01a | |
Eccentricity (e) | 0.49 | |
Inclination (i) | 145° | |
Longitude of periastron (ω) | 19° | |
Node (Ω) | 251° | |
Notes | | |
Reference | WSI2004a | |
Equinox | 2000 | |
Last observation | 2002 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
345.1 |
0.773 |
2001 |
343.3 |
0.762 |
2002 |
341.6 |
0.751 |
2003 |
339.7 |
0.741 |
2004 |
337.9 |
0.730 |
2005 |
335.9 |
0.720 |
2006 |
333.9 |
0.710 |
2007 |
331.9 |
0.700 |
2008 |
329.8 |
0.690 |
2009 |
327.6 |
0.681 |
2010 |
325.4 |
0.671 |
2011 |
323.1 |
0.662 |
2012 |
320.8 |
0.654 |
2013 |
318.4 |
0.645 |
2014 |
315.9 |
0.637 |
2015 |
313.4 |
0.630 |
2016 |
310.8 |
0.622 |
2017 |
308.1 |
0.615 |
2018 |
305.4 |
0.608 |
2019 |
302.6 |
0.602 |
2020 |
299.8 |
0.595 |
2021 |
296.9 |
0.589 |
2022 |
293.9 |
0.584 |
2023 |
290.9 |
0.579 |
2024 |
287.8 |
0.573 |
2025 |
284.7 |
0.568 |
2026 |
281.6 |
0.564 |
2027 |
278.3 |
0.559 |
2028 |
275.1 |
0.555 |
2029 |
271.7 |
0.550 |
2030 |
268.3 |
0.546 |
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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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