12290+0826 WSI 113

 
 
12h 28m 57.59s +08 25' 31.9" P.A. 190.5 sep 0.29 mag 12.20,13.80 Sp M3.5 dist. 13.18 pc (42.99 l.y.)
 
 
Coord 2000
12290+0826
Discov num
WSI 113
Comp
Coord arcsec 2000
12 28 57.59 +08 25 31.9
Date first
1995
Date last
2017
Obs
19
Pa first
180
Pa last
196
P.A. Now (θ)
190.5°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.29"
Mag pri
12.20
Mag sec
13.80
delta mag (ΔM)
1.6
Spectral class
M3.5 (red)
Pri motion ra
-634
Sec motion ra
Pri motion dec
-258
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196.4
Precise sep
0.297
Constellation
Virgo
HIP
60910
HD
60910
GL
Gl 469
Distance
13.18
Distance ly
42.99
last precise pa
196.4
last precise sep
0.297
 
 
ORBITAL ELEMENTS
 
 
Period (P)4223d (11.56y)± 2.9 Periastron (T)54548.2d (2008.224y)± 3.2 Semi-major axis (a)0.3139a± 0.0008
Eccentricity (e)0.302± 0.003 Inclination (i)107.6°± 0.1 Longitude of periastron (ω)269.2°± 0.2
Node (Ω)10.4°± 0.2 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.275 354.9
2001 0.206 339.5
2002 0.136 306.9
2003 0.137 252.8
2004 0.207 220.7
2005 0.275 205.4
2006 0.299 195.0
2007 0.238 183.4
2008 0.085 140.7
2009 0.172 27.6
2010 0.284 10.9
2011 0.298 0.9
2012 0.248 349.2
2013 0.172 328.5
2014 0.124 283.3
2015 0.164 235.3
2016 0.240 212.9
2017 0.293 200.6
2018 0.285 190.5
2019 0.177 174.3
2020 0.080 64.9
2021 0.234 18.2
2022 0.300 6.4
2023 0.281 356.3
2024 0.215 342.0
2025 0.143 312.6
2026 0.131 258.9
2027 0.197 223.4
2028 0.268 206.9
2029 0.299 196.3
2030 0.251 185.2

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

grafico orbita





wds12290%2B0826b.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
12290+0826 WSI 113 2006 1 190 0.3 12.20 13.80 M3.5 122857.59+082531.9
12290+0826 WSI 113 2010 2 8 0.3 12.20 13.80 M3.5 122857.59+082531.9
12290+0826 WSI 113 2014 5 268 0.1 12.20 13.80 M3.5 122857.59+082531.9
12290+0826 WSI 113 2015 6 229 0.2 12.20 13.80 M3.5 122857.59+082531.9
12290+0826 WSI 113 2017 19 196 0.3 12.20 13.80 M3.5 NO 122857.59+082531.9

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