12151-0715 STF1619AB

 
 
12H 15M 06.57S -07 15' 26.4" P.A. 266 SEP 7 MAG 8.06,8.30 SP G5 DIST. 35.19 PC (114.79 L.Y.)
 
 
Coord 2000
12151-0715
Discov num
STF1619
Comp
AB
Coord arcsec 2000
12 15 06.57 -07 15 26.4
Date first
1795
Date last
2016
Obs
139
Pa first
295
Pa last
266
P.A. Now (θ)
266°
Sep first
8.0
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
8.06
Mag sec
8.30
delta mag (ΔM)
0.24
Spectral class
G5 (yellow)
Pri motion ra
-249
Sec motion ra
-241
Pri motion dec
-055
Sec motion dec
-070
Notes
N C (See Notes, Has orbit and linear solution)
rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
12151-0715 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12151-0715 STF1619 AB 1795 2016 139 266 7.0 8.06 8.30 0.24 Y <===
Show 12151-0715 STF1619 AC 1893 2015 14 163 99.1 8.06 10.46 2.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Virgo
HIP
59743
Tycho2
4946-01328-1
HD
106515
BD
BD-06 3532
Distance
35.19
Distance ly
114.79
last precise pa
265.5
last precise sep
6.95
 
 
ORBITAL ELEMENTS
 
 
Period (P)4802.1y± 1769 Periastron (T)2376.4y± 61.7 Semi-major axis (a)9.822a± 2.009
Eccentricity (e)0.42± 0.105 Inclination (i)164.45°± 7.4 Longitude of periastron (ω)250.5°± 26.15
Node (Ω)92.06°± 23.9 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 6.921 268.0
2001 6.915 267.9
2002 6.910 267.8
2003 6.904 267.6
2004 6.899 267.5
2005 6.893 267.4
2006 6.888 267.2
2007 6.882 267.1
2008 6.876 267.0
2009 6.871 266.8
2010 6.865 266.7
2011 6.860 266.6
2012 6.854 266.4
2013 6.849 266.3
2014 6.843 266.2
2015 6.838 266.0
2016 6.833 265.9
2017 6.827 265.8
2018 6.822 265.6
2019 6.816 265.5
2020 6.811 265.4
2021 6.805 265.2
2022 6.800 265.1
2023 6.794 264.9
2024 6.789 264.8
2025 6.783 264.7
2026 6.778 264.5
2027 6.772 264.4
2028 6.767 264.3
2029 6.762 264.1
2030 6.756 264.0

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic