02132+4030 HEL 5 Ba,Bb

 
 
02h 12m 54.96s +40° 40' 07.0" P.A. 56.00 sep 0.4 mag 5.60,9.40 Sp G5V dist. 26.85 pc (87.58 l.y.)
 
 
Coord 2000 02132+4030 Discov num HEL   5 Comp Ba,Bb Coord arcsec 2000 02 12 54.96 +40 40 07.0
Date first 2012 Date last 2015 Obs 4
Pa first 73 Pa last 55.6 P.A. Now (θ) 55.6°
Sep first 0.4 Sep last 0.423 Sep. Now (ρ) 0.423"
Mag pri 5.60 Mag sec 9.40 delta mag (ΔM) 3.8 Spectral class G5V (yellow)
Pri motion ra +059 Sec motion ra
Pri motion dec -109 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02132+4030 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 37868 02 13 13 +40 30 28 MET 14 Aa,Ab 2002 1 17 0.7 5.68 9.88 4.20
Show V451 And 37868 02 13 13 +40 30 28 SHY 136 AB 2014 17 340 615.3 7.44 7.28 0.16
Show 37865 02 12 55 +40 40 07 HEL 5 Ba,Bb 2015 4 56 0.4 5.60 9.40 3.80 Y <===
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V450 And Constellation Andromeda SAO 37865 HIP 10321
Tycho2 2834-00015-1 Gaia DR2 333106054183616000 HD 13507 BD BD+39 496
Distance 26.85 Distance ly 87.58
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.96y± 0.063 Periastron (T)52343.7d (2002.188y)± 9.8 Semi-major axis (a)0.318a± 0.0048
Eccentricity (e)0.3781± 0.0036 Inclination (i)160.4°± 1.6 Longitude of periastron (ω)350.22°± 0.62
Node (Ω)245.27°± 0.53 Notesn ReferenceHel2016
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 330.8 0.235
2001 299.4 0.207
2002 261.8 0.197
2003 223.8 0.205
2004 190.9 0.227
2005 164.9 0.258
2006 144.9 0.294
2007 129.4 0.330
2008 116.7 0.362
2009 106.0 0.389
2010 96.6 0.411
2011 87.9 0.426
2012 79.8 0.435
2013 71.9 0.438
2014 63.9 0.433
2015 55.6 0.422
2016 46.8 0.404
2017 36.9 0.379
2018 25.5 0.348
2019 11.5 0.311
2020 353.6 0.272
2021 329.7 0.234
2022 298.0 0.207
2023 260.3 0.197
2024 222.4 0.205
2025 189.7 0.228
2026 164.0 0.260
2027 144.3 0.296
2028 128.8 0.331
2029 116.3 0.363
2030 105.6 0.390


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



 
 


wds02132%2B4030a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic