09412+0954 HMM 1 Aa,Ab

 
 
09h 41m 09.12s +09° 53' 32.6" P.A. 22.00 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 22.4 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 22 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 2015 28 48 96.2 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)0.039694y Periastron (T)1997.49563y Semi-major axis (a)0.00446a
Eccentricity (e)0 Inclination (i)57.6° Longitude of periastron (ω)
Node (Ω)191.4° Notesn ReferenceHmm2001
Equinox2000 Last observation1999 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 210.6 0.004
2001 303.8 0.003
2002 7.0 0.004
2003 55.7 0.003
2004 159.4 0.003
2005 202.4 0.004
2006 280.2 0.002
2007 359.6 0.004
2008 42.3 0.003
2009 145.6 0.003
2010 195.1 0.004
2011 256.9 0.003
2012 351.3 0.004
2013 32.0 0.004
2014 127.0 0.003
2015 188.1 0.004
2016 238.1 0.003
2017 341.1 0.003
2018 23.6 0.004
2019 103.9 0.002
2020 180.8 0.004
2021 224.0 0.003
2022 327.9 0.003
2023 16.2 0.004
2024 80.1 0.003
2025 172.6 0.004
2026 213.4 0.004
2027 310.1 0.003
2028 9.1 0.004
2029 60.5 0.003
2030 162.8 0.004


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds09412%2B0954a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic