00184+4401 GRB 34 AB (GX And)

 
 
00h 18m 22.88s +44 01' 22.6" P.A. 66.00 sep 34.1 mag 8.31,11.36 Sp M2V+M3.5V dist. 3.59 pc (11.71 l.y.)
 
 
Coord 2000 00184+4401 Discov num GRB  34 Comp AB Coord arcsec 2000 00 18 22.88 +44 01 22.6
Date first 1860 Date last 2019 Obs 143
Pa first 53 Pa last 66.3 P.A. Now (θ) 66.3°
Sep first 40.1 Sep last 34.069 Sep. Now (ρ) 34.069"
Mag pri 8.31 Mag sec 11.36 delta mag (ΔM) 3.05 Spectral class M2V+M3.5V (red/red)
Pri motion ra +289 Sec motion ra +286
Pri motion dec +042 Sec motion dec +034
Notes N O P (See Notes, Orbital solution, 100-year proper motion)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
00184+4401 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show GX And 36248 00 18 23 +44 01 23 GRB 34 AB 2019 143 66 34.1 8.31 11.36 3.05 Y <===
Show 36248 00 18 23 +44 01 23 GRB 34 AC 2011 13 259 285.6 8.31 11.83 3.52
Show 36248 00 18 23 +44 01 23 TNN 1 AD 2004 1 158 6.4 8.31
Show 00 18 26 +44 01 38 TNN 1 BE 2004 1 66 7.5 8.31
Show 00 18 26 +44 01 38 TNN 1 BF 2004 1 70 11.9 8.31
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name GX And Constellation Andromeda SAO 36248 HIP 1475
Tycho2 2794-00157-1 HD 1326 GC 358 ADS 246
GL Gl 15A BD BD+43 44 Distance 3.59 Distance ly 11.71
 
 
ORBITAL ELEMENTS
 
 
Period (P)2600y Periastron (T)1745y Semi-major axis (a)41.15a
Eccentricity (e)0 Inclination (i)61.4° Longitude of periastron (ω)
Node (Ω)45.3° Notesn ReferenceLip1972
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 64.0 35.458
2001 64.1 35.416
2002 64.2 35.374
2003 64.3 35.332
2004 64.4 35.289
2005 64.5 35.247
2006 64.6 35.204
2007 64.7 35.162
2008 64.7 35.119
2009 64.8 35.076
2010 64.9 35.033
2011 65.0 34.990
2012 65.1 34.946
2013 65.2 34.903
2014 65.3 34.859
2015 65.4 34.816
2016 65.5 34.772
2017 65.6 34.728
2018 65.7 34.684
2019 65.8 34.640
2020 65.9 34.596
2021 66.0 34.551
2022 66.0 34.507
2023 66.1 34.462
2024 66.2 34.418
2025 66.3 34.373
2026 66.4 34.328
2027 66.5 34.283
2028 66.6 34.238
2029 66.7 34.193
2030 66.8 34.148


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



 
 


wds00184%2B4401b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic