23375+4426 STT 500 AB (HD 222109)

 
 
23h 37m 32.03s +44° 25' 44.5" P.A. 20.00 sep 0.5 mag 6.08,7.38 Sp B8V dist. 247.52 pc (807.41 l.y.)
 
 
Coord 2000 23375+4426 Discov num STT 500 Comp AB Coord arcsec 2000 23 37 32.03 +44 25 44.5
Date first 1843 Date last 2018 Obs 174
Pa first 273 Pa last 20.3 P.A. Now (θ) 20.3°
Sep first 0.3 Sep last 0.483 Sep. Now (ρ) 0.483"
Mag pri 6.08 Mag sec 7.38 delta mag (ΔM) 1.3 Spectral class B8V (blue-white)
Pri motion ra +014 Sec motion ra +014
Pri motion dec -013 Sec motion dec -013
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
23375+4426 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 222109 53202 23 37 32 +44 25 44 STT 500 AB 2018 174 20 0.5 6.08 7.38 1.30 Y <===
Show 53202 23 37 32 +44 25 44 STT 500 AB,C 2002 7 334 118.3 6.08 10.95 4.87
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 222109 Constellation Andromeda SAO 53202 HIP 116582
Tycho2 3243-01411-1 HD 222109 HR 8962 GC 32831
ADS 16877 BD BD+43 4508 Distance 247.52 Distance ly 807.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)351.22y Periastron (T)2103.29y Semi-major axis (a)0.41a
Eccentricity (e)0.39 Inclination (i)40.3° Longitude of periastron (ω)
Node (Ω)157.1° Notesn ReferenceZul1981
Equinox Last observation1980 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 8.4 0.458
2001 9.0 0.455
2002 9.6 0.452
2003 10.2 0.449
2004 10.8 0.445
2005 11.4 0.442
2006 12.0 0.439
2007 12.6 0.436
2008 13.3 0.433
2009 13.9 0.429
2010 14.6 0.426
2011 15.3 0.423
2012 16.0 0.419
2013 16.6 0.416
2014 17.4 0.413
2015 18.1 0.409
2016 18.8 0.406
2017 19.5 0.402
2018 20.3 0.399
2019 21.1 0.395
2020 21.8 0.392
2021 22.6 0.388
2022 23.4 0.385
2023 24.3 0.381
2024 25.1 0.377
2025 26.0 0.374
2026 26.8 0.370
2027 27.7 0.367
2028 28.7 0.363
2029 29.6 0.359
2030 30.5 0.356


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



 
 


wds23375%2B4426a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic