10454+3831 HO 532 AC

 
 
10h 45m 21.48s +38° 30' 42.4" P.A. 230.00 sep 0.7 mag 9.42,11.76 Sp K7/M0V dist. 13.92 pc (45.41 l.y.)
 
 
Coord 2000 10454+3831 Discov num HO  532 Comp AC Coord arcsec 2000 10 45 21.48 +38 30 42.4
Date first 1896 Date last 2018 Obs 28
Pa first 326 Pa last 230.3 P.A. Now (θ) 230.3°
Sep first 1.2 Sep last 0.701 Sep. Now (ρ) 0.701"
Mag pri 9.42 Mag sec 11.76 delta mag (ΔM) 2.34 Spectral class K7/M0V (yellow-orange)
Pri motion ra -038 Sec motion ra
Pri motion dec +150 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
10454+3831 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 10 45 21 +38 30 42 CHR 191 AB 2014 4 235 0.7 9.42
Show 10 45 21 +38 30 42 HO 532 AC 2018 28 230 0.7 9.42 11.76 2.34 Y <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo Minor HIP 52600 Tycho2 3009-02043-1 Gaia DR2 776067089642433664
ADS 7915 GL Gl 400A BD BD+39 2376 Distance 13.92
Distance ly 45.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)160.67y Periastron (T)1972.58y Semi-major axis (a)1.791a
Eccentricity (e)0.86 Inclination (i)100.1° Longitude of periastron (ω)280.1°
Node (Ω)110.9° Notesn ReferenceMnt2000a
Equinox Last observation1995 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 72.2 0.623
2001 70.5 0.614
2002 68.8 0.606
2003 67.0 0.598
2004 65.2 0.590
2005 63.3 0.582
2006 61.4 0.575
2007 59.4 0.568
2008 57.4 0.561
2009 55.4 0.555
2010 53.2 0.549
2011 51.1 0.544
2012 48.9 0.539
2013 46.7 0.535
2014 44.4 0.532
2015 42.1 0.529
2016 39.8 0.527
2017 37.5 0.525
2018 35.2 0.524
2019 32.8 0.524
2020 30.5 0.524
2021 28.1 0.525
2022 25.8 0.527
2023 23.5 0.530
2024 21.2 0.533
2025 19.0 0.537
2026 16.8 0.541
2027 14.6 0.546
2028 12.5 0.552
2029 10.4 0.559
2030 8.3 0.565


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



 
 


wds10454%2B3831a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic