23114+3813 HO 197 AB

 
 
23h 11m 25.83s +38° 13' 11.3" P.A. 275.00 sep 0.2 mag 8.47,9.16 Sp F5 dist. 167.79 pc (547.33 l.y.)
 
 
Coord 2000 23114+3813 Discov num HO  197 Comp AB Coord arcsec 2000 23 11 25.83 +38 13 11.3
Date first 1885 Date last 2011 Obs 67
Pa first 111 Pa last 275.4 P.A. Now (θ) 144.7°
Sep first 0.4 Sep last 0.161 Sep. Now (ρ) 0.153"
Mag pri 8.47 Mag sec 9.16 delta mag (ΔM) 0.69 Spectral class F5 (yellow-white)
Pri motion ra +041 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
23114+3813 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 73068 23 11 26 +38 13 11 HO 197 AB 2011 67 275 0.2 8.47 9.16 0.69 Y <===
Show HD 218917 73068 23 11 26 +38 13 11 HO 197 AB,C 2016 30 320 36.4 7.98 10.34 2.36
Show 73068 23 11 26 +38 13 11 HO 197 AB,D 2016 26 279 56.8 7.98 9.83 1.85
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda SAO 73068 HIP 114504 Tycho2 3217-01908-1
Gaia DR2 1917567215354425728 HD 218917 ADS 16576 BD BD+37 4785
Distance 167.79 Distance ly 547.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)170.3y± 1.6 Periastron (T)1843.59y± 1.7 Semi-major axis (a)0.419a± 0.033
Eccentricity (e)0.456± 0.044 Inclination (i)106.7°± 3.9 Longitude of periastron (ω)249.6°± 3.6
Node (Ω)120.4°± 3.6 Notesn ReferenceFMR2012a
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 301.5 0.293
2001 300.4 0.286
2002 299.2 0.278
2003 298.0 0.269
2004 296.6 0.259
2005 295.1 0.247
2006 293.5 0.235
2007 291.7 0.221
2008 289.6 0.205
2009 287.1 0.189
2010 284.2 0.172
2011 280.6 0.153
2012 276.0 0.135
2013 270.0 0.116
2014 261.7 0.099
2015 250.0 0.083
2016 233.7 0.071
2017 213.4 0.067
2018 192.9 0.071
2019 176.2 0.082
2020 164.1 0.097
2021 155.5 0.115
2022 149.4 0.134
2023 144.7 0.153
2024 141.1 0.172
2025 138.3 0.191
2026 135.9 0.210
2027 133.9 0.227
2028 132.2 0.244
2029 130.7 0.261
2030 129.4 0.276


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



 
 


wds23114%2B3813b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic