09156-1036 MTG 2

 
 
09h 15m 36.40s -10° 35' 47.2" P.A. 45.00 sep 0.1 mag 14.30,14.80 Sp M4.5V
 
 
Coord 2000 09156-1036 Discov num MTG   2 Comp Coord arcsec 2000 09 15 36.40 -10 35 47.2
Date first 2003 Date last 2021 Obs 30
Pa first 262 Pa last 44.6 P.A. Now (θ) 318.9°
Sep first 0.1 Sep last 0.133 Sep. Now (ρ) 0.183"
Mag pri 14.30 Mag sec 14.80 delta mag (ΔM) 0.5 Spectral class M4.5V (red)
Pri motion ra -395 Sec motion ra
Pri motion dec -193 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.0936y± 0.0092 Periastron (T)2014.122y± 0.038 Semi-major axis (a)0.198a± 0.003
Eccentricity (e)0.459± 0.013 Inclination (i)116.6°± 1.7 Longitude of periastron (ω)272.6°± 3.4
Node (Ω)114.1°± 1.3 Notesn ReferenceMsn2021a
Equinox Last observation2021 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 90.6 0.176
2001 43.5 0.133
2002 343.2 0.153
2003 306.8 0.185
2004 170.6 0.056
2005 93.9 0.177
2006 49.2 0.136
2007 347.8 0.148
2008 309.8 0.186
2009 211.8 0.048
2010 97.2 0.178
2011 54.7 0.140
2012 352.7 0.143
2013 312.8 0.186
2014 247.6 0.063
2015 100.5 0.177
2016 59.8 0.144
2017 357.9 0.139
2018 315.8 0.185
2019 266.8 0.086
2020 103.8 0.174
2021 64.6 0.148
2022 3.3 0.136
2023 318.9 0.183
2024 277.6 0.110
2025 107.3 0.169
2026 69.2 0.153
2027 9.1 0.133
2028 322.0 0.179
2029 284.7 0.130
2030 111.1 0.161


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



 
 


wds09156-1036f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic