00089+2050 BEU 1

 
 
00h 08m 53.91s +20 50' 25.2" P.A. 43.00 sep 0.1 mag 12.70,14.30 Sp M5V
 
 
Coord 2000 00089+2050 Discov num BEU   1 Comp Coord arcsec 2000 00 08 53.91 +20 50 25.2
Date first 2001 Date last 2021 Obs 13
Pa first 170 Pa last 43 P.A. Now (θ) 320.8°
Sep first 0.1 Sep last 0.143 Sep. Now (ρ) 0.131"
Mag pri 12.70 Mag sec 14.30 delta mag (ΔM) 1.6 Spectral class M5V (red)
Pri motion ra -049 Sec motion ra
Pri motion dec -260 Sec motion dec
Notes N O R (See Notes, Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 2798766647610195456
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.918y± 0.017 Periastron (T)2018.92y± 0.17 Semi-major axis (a)0.144a± 0.005
Eccentricity (e)0.105± 0.023 Inclination (i)145.7°± 3.3 Longitude of periastron (ω)240.4°± 17.2
Node (Ω)83.6°± 6.6 Notesn ReferenceTok2021c
Equinox2000 Last observation2021 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 282.3 0.137
2001 221.2 0.117
2002 137.3 0.119
2003 81.5 0.151
2004 34.7 0.141
2005 335.9 0.129
2006 277.8 0.137
2007 214.9 0.115
2008 131.4 0.122
2009 77.8 0.152
2010 30.4 0.140
2011 330.9 0.130
2012 273.3 0.137
2013 208.3 0.112
2014 125.9 0.125
2015 74.1 0.152
2016 26.0 0.138
2017 325.8 0.130
2018 268.8 0.136
2019 201.4 0.110
2020 120.6 0.129
2021 70.4 0.152
2022 21.5 0.136
2023 320.8 0.131
2024 264.2 0.136
2025 194.4 0.109
2026 115.6 0.132
2027 66.7 0.152
2028 16.8 0.135
2029 315.9 0.132
2030 259.5 0.134


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



 
 


wds00089%2B2050a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic