09156-1036 MTG   2

 
 
09h 15m 36.40s -10 35' 47.2" P.A. 311.4 sep 0.16 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
2017
Obs
10
Pa first
82
Pa last
344
P.A. Now (θ)
311.4°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.16"
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
 
 
Precise pa
344.1
Precise sep
0.154
Cdsa2 id
MTG 2
Constellation
Hydra
Ra deg
9.260111111111112
De deg
-10.596444444444446
last precise pa
344.1
last precise sep
0.154
 
 
ORBITAL ELEMENTS
 
 
Period (P)5.075y± 0.016 Periastron (T)2014.032y± 0.036 Semi-major axis (a)0.1981a± 0.0021
Eccentricity (e)0.4541± 0.0098 Inclination (i)117°± 0.66 Longitude of periastron (ω)270.94°± 0.75
Node (Ω)117°± 1.2 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2016
label rho theta
2000 0.179 93.4
2001 0.136 47.1
2002 0.153 346.5
2003 0.182 308.8
2004 0.066 160.6
2005 0.181 96.0
2006 0.138 51.7
2007 0.149 350.2
2008 0.184 311.4
2009 0.052 185.7
2010 0.181 98.6
2011 0.141 56.0
2012 0.145 354.1
2013 0.184 313.9
2014 0.050 219.7
2015 0.181 101.2
2016 0.144 60.1
2017 0.142 358.2
2018 0.184 316.4
2019 0.062 247.8
2020 0.180 103.8
2021 0.148 64.1
2022 0.139 2.5
2023 0.183 318.9
2024 0.080 265.0
2025 0.177 106.4
2026 0.151 67.9
2027 0.136 7.0
2028 0.181 321.4
2029 0.099 275.6
2030 0.174 109.2

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

grafico orbita





wds09156-1036b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09156-1036 MTG 2 2005 2 266 0.2 8.80 8.90 K 091536.40-103547.2
09156-1036 MTG 2 2010 3 99 0.2 13.70   091536.40-103547.2
09156-1036 MTG 2 2012 4 176 0.1 13.70   091536.40-103547.2
09156-1036 MTG 2 2015 5 99 0.2 13.70   091536.40-103547.2
09156-1036 MTG 2 2017 10 344 0.2 14.30 14.80 M4.5V NO 091536.40-103547.2

If you need more information about this double, apply for a data request form to the WDS.