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 |
|
Discov num |
STF1423 |
|
Comp |
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Coord arcsec 2000 |
10 19 10.64 +20 33 48.1 |
|
| Date first |
1830 |
|
Date last |
2018 |
|
Obs |
149 |
|
| Pa first |
99 |
|
Pa last |
308.3 |
|
P.A. Now (θ) |
290.9° |
|
| Sep first |
1.1 |
|
Sep last |
0.71 |
|
Sep. Now (ρ) |
0.579" |
|
| Mag pri |
9.40 |
|
Mag sec |
10.08 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-164 |
|
Sec motion ra |
-164 |
|
| Pri motion dec |
-020 |
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Sec motion dec |
-020 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 89376 |
|
Constellation |
Leo |
|
SAO |
81288 |
|
HIP |
50524 |
|
| Tycho2 |
1426-01210-1 |
|
Gaia DR2 |
625571989641269120 |
|
HD |
89376 |
|
GC |
14156 |
|
| ADS |
7721 |
|
BD |
BD+21 2172 |
|
Distance |
58.79 |
|
Distance ly |
191.77 |
|
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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