10183-0326 RST4454AB

 
 
10H 18M 17.75S -03 26' 26.0" P.A. 223.4 SEP 0.28 MAG 9.90,9.90 SP F8
 
 
Coord 2000
10183-0326
Discov num
RST4454
Comp
AB
Coord arcsec 2000
10 18 17.75 -03 26 26.0
Date first
1939
Date last
2013
Obs
12
Pa first
36
Pa last
223
P.A. Now (θ)
223.4°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.28"
Mag pri
9.90
Mag sec
9.90
delta mag (ΔM)
0
Spectral class
F8 (yellow-white)
Pri motion ra
-125
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
10183-0326 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10183-0326 RST4454 AB 1939 2013 12 223 0.3 9.90 9.90 0.00 Y <===
Show 10183-0326 BAL 210 AC 1897 2007 5 24 19.8 9.90 12.70 2.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sextans
Tycho2
4907-01461-1
HD
89334
last precise pa
223.3
last precise sep
0.292
 
 
ORBITAL ELEMENTS
 
 
Period (P)164.55y Periastron (T)1957.19y Semi-major axis (a)0.273a
Eccentricity (e)0.306 Inclination (i)86.9° Longitude of periastron (ω)243.1°
Node (Ω)221.3° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.298 221.8
2001 0.299 221.9
2002 0.300 222.0
2003 0.300 222.1
2004 0.300 222.2
2005 0.300 222.3
2006 0.300 222.4
2007 0.299 222.5
2008 0.298 222.5
2009 0.297 222.6
2010 0.296 222.7
2011 0.294 222.8
2012 0.292 222.9
2013 0.290 223.0
2014 0.287 223.1
2015 0.285 223.2
2016 0.282 223.3
2017 0.279 223.4
2018 0.275 223.6
2019 0.272 223.7
2020 0.268 223.8
2021 0.264 223.9
2022 0.260 224.0
2023 0.256 224.1
2024 0.251 224.3
2025 0.246 224.4
2026 0.242 224.6
2027 0.237 224.7
2028 0.231 224.9
2029 0.226 225.0
2030 0.221 225.2

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