23413+3234 BU 858 AB (HD 222529)

 
 
23h 41m 17.56s +32° 33' 39.9" P.A. 220.00 sep 0.8 mag 7.81,8.78 Sp A1V dist. 208.33 pc (679.57 l.y.)
 
 
Coord 2000 23413+3234 Discov num BU  858 Comp AB Coord arcsec 2000 23 41 17.56 +32 33 39.9
Date first 1881 Date last 2018 Obs 98
Pa first 277 Pa last 219.8 P.A. Now (θ) 219.8°
Sep first 0.5 Sep last 0.833 Sep. Now (ρ) 0.833"
Mag pri 7.81 Mag sec 8.78 delta mag (ΔM) 0.97 Spectral class A1V (white)
Pri motion ra +010 Sec motion ra +010
Pri motion dec -002 Sec motion dec -002
Notes O (Orbital solution)
This double is physical.
 
 
23413+3234 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 222529 73436 23 41 18 +32 33 40 BU 858 AB 2018 98 220 0.8 7.81 8.78 0.97 Y <===
Show 73436 23 41 18 +32 33 40 BU 389 AC 2015 17 52 23.1 7.81 12.90 5.09
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 222529 Constellation Pegasus SAO 73436 HIP 116863
Tycho2 2770-00648-1 Gaia DR2 2871929048971116160 HD 222529 GC 32902
ADS 16928 BD BD+31 4952 Distance 208.33 Distance ly 679.57
 
 
ORBITAL ELEMENTS
 
 
Period (P)779.3501y± 368.4974 Periastron (T)2074.4713y± 94.1333 Semi-major axis (a)1.53983a± 0.75516
Eccentricity (e)0.68494± 0.30506 Inclination (i)104.899°± 15.014 Longitude of periastron (ω)250.413°± 32.786
Node (Ω)29.779°± 12.489 Notes ReferenceIzm2019
Equinox Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 225.6 0.844
2001 225.3 0.845
2002 225.0 0.845
2003 224.7 0.845
2004 224.4 0.845
2005 224.1 0.845
2006 223.9 0.845
2007 223.6 0.845
2008 223.3 0.845
2009 223.0 0.844
2010 222.7 0.844
2011 222.4 0.843
2012 222.1 0.842
2013 221.8 0.841
2014 221.5 0.840
2015 221.3 0.839
2016 221.0 0.838
2017 220.7 0.836
2018 220.4 0.834
2019 220.1 0.832
2020 219.8 0.830
2021 219.5 0.828
2022 219.2 0.826
2023 218.9 0.823
2024 218.6 0.820
2025 218.3 0.817
2026 218.0 0.814
2027 217.7 0.811
2028 217.3 0.807
2029 217.0 0.803
2030 216.7 0.799


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



 
 


wds23413%2B3234a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic