09412+0954 HMM 1 Aa,Ab

 
 
09h 41m 09.12s +09° 53' 32.6" P.A. 338.00 sep 0.0 mag 3.52, Sp A5V+F6II dist. 39.95 pc (130.32 l.y.)
 
 
Coord 2000 09412+0954 Discov num HMM   1 Comp Aa,Ab Coord arcsec 2000 09 41 09.12 +09 53 32.6
Date first 1990 Date last 2023 Obs 37
Pa first 90 Pa last 337.5 P.A. Now (θ) 22.4°
Sep first 0.0 Sep last 0.003 Sep. Now (ρ) 0.003"
Mag pri 3.52 Mag sec delta mag (ΔM) Spectral class A5V+F6II (white/yellow-white)
Pri motion ra -142 Sec motion ra
Pri motion dec -037 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
09412+0954 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 98709 09 41 09 +09 53 33 HMM 1 Aa,Ab 2023 37 338 0.0 3.52 Y <===
Show 98709 09 41 09 +09 53 33 ARI 1 Aa,Ac 1997 1 268 0.6 3.52
Show Subra 98709 09 41 09 +09 53 33 H 6 76 AB 2022 29 49 97.8 3.56 10.83 7.27
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Subra Constellation Leo SAO 98709 HIP 47508
Tycho2 0821-02130-1 Gaia DR2 588551497558573056 HD 83808 HR 3852
GC 13366 ADS 7480 BD BD+10 2044 Bayer Omicron Leonis
Bayer name Omi Leo Flamsteed 14 Leonis Flamsteed name 14 Leo FK5 365
Distance 39.95 Distance ly 130.32 Bayer greek ο Leo
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.498068d± 0.000006 Periastron (T)50623.9d (1997.479y)± 0.9 Semi-major axis (a)4.477m± 0.009
Eccentricity (e)0.0007± 0.0004 Inclination (i)57.8°± 0.2 Longitude of periastron (ω)214°± 22
Node (Ω)191.6°± 0.1 Notesn ReferenceGaA2023
Equinox Last observation Grade1(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 214.0 0.004
2001-01-01 311.3 0.003
2002-01-01 9.6 0.004
2003-01-01 61.2 0.003
2004-01-01 163.5 0.004
2005-01-01 205.0 0.004
2006-01-01 287.9 0.002
2007-01-01 2.1 0.004
2008-01-01 45.9 0.003
2009-01-01 150.5 0.003
2010-01-01 197.3 0.004
2011-01-01 263.0 0.002
2012-01-01 353.9 0.004
2013-01-01 34.5 0.004
2014-01-01 132.7 0.003
2015-01-01 190.0 0.004
2016-01-01 242.1 0.003
2017-01-01 344.0 0.004
2018-01-01 25.5 0.004
2019-01-01 109.6 0.002
2020-01-01 182.7 0.004
2021-01-01 226.6 0.003
2022-01-01 331.1 0.003
2023-01-01 17.7 0.004
2024-01-01 84.5 0.002
2025-01-01 174.5 0.004
2026-01-01 215.1 0.004
2027-01-01 313.6 0.003
2028-01-01 10.4 0.004
2029-01-01 63.3 0.003
2030-01-01 164.8 0.004
2031-01-01 206.0 0.004
2032-01-01 290.8 0.002
2033-01-01 3.0 0.004
2034-01-01 47.4 0.003
2035-01-01 152.2 0.003
2036-01-01 198.2 0.004
2037-01-01 265.7 0.002
2038-01-01 354.9 0.004
2039-01-01 35.7 0.004
2040-01-01 135.0 0.003
2041-01-01 190.9 0.004
2042-01-01 244.2 0.003
2043-01-01 345.3 0.004
2044-01-01 26.5 0.004
2045-01-01 112.4 0.002
2046-01-01 183.5 0.004
2047-01-01 228.2 0.003
2048-01-01 332.8 0.003
2049-01-01 18.6 0.004
2050-01-01 87.3 0.002


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds09412%2B0954b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic