02022+3643 A 1813 AB,C (V371 And)

 
 
02h 02m 12.83s +36° 43' 01.6" P.A. 198.00 sep 1.5 mag 8.29,11.19 Sp G5 dist. 57.11 pc (186.29 l.y.)
 
 
Coord 2000 02022+3643 Discov num A  1813 Comp AB,C Coord arcsec 2000 02 02 12.83 +36 43 01.6
Date first 1908 Date last 2016 Obs 28
Pa first 339 Pa last 198.2 P.A. Now (θ) 198.2°
Sep first 0.7 Sep last 1.52 Sep. Now (ρ) 1.52"
Mag pri 8.29 Mag sec 11.19 delta mag (ΔM) 2.9 Spectral class G5 (yellow)
Pri motion ra +147 Sec motion ra +139
Pri motion dec -054 Sec motion dec -056
Notes O (Orbital solution)
rPM=0.053 (< 0.3, Physical double)
This double is physical.
 
 
02022+3643 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 55204 02 02 13 +36 43 02 A 1813 AB 2014 59 133 0.0 8.70 8.90 0.20 Y
Show V371 And 55204 02 02 13 +36 43 02 A 1813 AB,C 2016 28 198 1.5 8.29 11.19 2.90 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V371 And Constellation Andromeda SAO 55204 HIP 9500
Tycho2 2320-01525-1 Gaia DR2 330556527235711744 HD 12376 ADS 1613
BD BD+36 391 Distance 57.11 Distance ly 186.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)234.6893y± 208.0889 Periastron (T)1895.7486y± 24.5043 Semi-major axis (a)1.40294a± 0.51872
Eccentricity (e)0.52293± 0.21429 Inclination (i)118.095°± 12.57 Longitude of periastron (ω)131.547°± 38.966
Node (Ω)173.071°± 16.558 Notes ReferenceIzm2019
Equinox Last observation2009 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 207.9 1.446
2001 207.3 1.459
2002 206.7 1.472
2003 206.2 1.485
2004 205.6 1.498
2005 205.1 1.510
2006 204.6 1.523
2007 204.1 1.535
2008 203.5 1.547
2009 203.0 1.559
2010 202.5 1.570
2011 202.1 1.582
2012 201.6 1.593
2013 201.1 1.604
2014 200.6 1.614
2015 200.2 1.625
2016 199.7 1.635
2017 199.3 1.645
2018 198.8 1.655
2019 198.4 1.665
2020 197.9 1.674
2021 197.5 1.683
2022 197.1 1.692
2023 196.7 1.700
2024 196.3 1.709
2025 195.8 1.717
2026 195.4 1.725
2027 195.0 1.732
2028 194.6 1.739
2029 194.2 1.746
2030 193.8 1.753


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



 
 


wds02022%2B3643d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic