14310-0548 RST4529

 
 
14H 31M 00.74S -05 48' 08.3" P.A. 197.8 SEP 0.15 MAG 8.81,8.39 SP G5 DIST. 41.14 PC (134.2 L.Y.)
 
 
Coord 2000
14310-0548
Discov num
RST4529
Comp
Coord arcsec 2000
14 31 00.74 -05 48 08.3
Date first
1938
Date last
2014
Obs
57
Pa first
338
Pa last
34
P.A. Now (θ)
197.8°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.15"
Mag pri
8.81
Mag sec
8.39
delta mag (ΔM)
0.42
Spectral class
G5 (yellow)
Pri motion ra
-206
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Virgo
HIP
70973
Tycho2
4996-00131-1
HD
127352
BD
BD-05 3896
Distance
41.14
Distance ly
134.2
last precise pa
34.3
last precise sep
0.164
 
 
ORBITAL ELEMENTS
 
 
Period (P)22.98y± 0.3 Periastron (T)1993.62y± 0.02 Semi-major axis (a)0.243a± 0.002
Eccentricity (e)0.499± 0.01 Inclination (i)49.1°± 2 Longitude of periastron (ω)121°± 2.5
Node (Ω)13.8°± 2 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.204 278.7
2001 0.217 290.6
2002 0.232 301.1
2003 0.247 310.2
2004 0.262 318.3
2005 0.276 325.6
2006 0.288 332.2
2007 0.297 338.3
2008 0.302 344.2
2009 0.302 349.9
2010 0.297 355.8
2011 0.284 2.0
2012 0.263 8.9
2013 0.232 17.5
2014 0.187 29.5
2015 0.130 51.0
2016 0.084 103.2
2017 0.110 167.0
2018 0.150 197.8
2019 0.170 218.0
2020 0.179 235.1
2021 0.186 250.9
2022 0.193 265.6
2023 0.204 278.9
2024 0.217 290.8
2025 0.232 301.3
2026 0.247 310.4
2027 0.262 318.5
2028 0.276 325.7
2029 0.288 332.3
2030 0.297 338.4

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