11000-0328 STF 1500 (HD 95280)
11h 00m 02.02s -03° 28' 16.5" P.A. 299.00 sep 1.3 mag 7.91,8.27 Sp F8V dist. 53.59 pc (174.81 l.y.)
Coord 2000 |
11000-0328 |
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Discov num |
STF1500 |
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Comp |
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Coord arcsec 2000 |
11 00 02.02 -03 28 16.5 |
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Date first |
1825 |
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Date last |
2021 |
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Obs |
149 |
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Pa first |
331 |
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Pa last |
298.8 |
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P.A. Now (θ) |
298.8° |
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Sep first |
1.1 |
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Sep last |
1.292 |
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Sep. Now (ρ) |
1.292" |
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Mag pri |
7.91 |
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Mag sec |
8.27 |
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delta mag (ΔM) |
0.36 |
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Spectral class |
F8V (yellow-white) |
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Pri motion ra |
+064 |
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Sec motion ra |
+064 |
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Pri motion dec |
+031 |
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Sec motion dec |
+031 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 95280 |
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Constellation |
Leo |
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SAO |
137933 |
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HIP |
53765 |
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Tycho2 |
4924-00881-1 |
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Gaia DR2 |
3789596743596878976 |
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HD |
95280 |
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GC |
15111 |
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ADS |
8007 |
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BD |
BD-02 3264 |
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Distance |
53.59 |
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Distance ly |
174.81 |
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ORBITAL ELEMENTS
Period (P) | 680.1448y | ± 286.4299 |
Periastron (T) | 1774.466y | ± 41.0648 |
Semi-major axis (a) | 1.59598a | ± 0.43637 |
Eccentricity (e) | 0.30807 | ± 0.1759 |
Inclination (i) | 101.993° | ± 2.511 |
Longitude of periastron (ω) | 78.776° | ± 47.631 |
Node (Ω) | 132.744° | ± 2.189 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
301.7 |
1.431 |
2001 |
301.6 |
1.426 |
2002 |
301.4 |
1.420 |
2003 |
301.3 |
1.415 |
2004 |
301.2 |
1.409 |
2005 |
301.0 |
1.404 |
2006 |
300.9 |
1.398 |
2007 |
300.8 |
1.392 |
2008 |
300.6 |
1.386 |
2009 |
300.5 |
1.380 |
2010 |
300.3 |
1.374 |
2011 |
300.2 |
1.368 |
2012 |
300.1 |
1.362 |
2013 |
299.9 |
1.356 |
2014 |
299.8 |
1.350 |
2015 |
299.6 |
1.344 |
2016 |
299.5 |
1.337 |
2017 |
299.3 |
1.331 |
2018 |
299.2 |
1.325 |
2019 |
299.0 |
1.318 |
2020 |
298.9 |
1.312 |
2021 |
298.7 |
1.305 |
2022 |
298.6 |
1.299 |
2023 |
298.4 |
1.292 |
2024 |
298.2 |
1.285 |
2025 |
298.1 |
1.279 |
2026 |
297.9 |
1.272 |
2027 |
297.7 |
1.265 |
2028 |
297.6 |
1.258 |
2029 |
297.4 |
1.251 |
2030 |
297.2 |
1.244 |
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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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