03339-3105 B    52

 
 
03H 33M 56.81S -31 04' 49.1" P.A. 143.3 SEP 0.13 MAG 6.69,7.63 SP F5V DIST. 41.77 PC (136.25 L.Y.)
 
 
Coord 2000
03339-3105
Discov num
B    52
Comp
Coord arcsec 2000
03 33 56.81 -31 04 49.1
Date first
1926
Date last
2015
Obs
59
Pa first
311
Pa last
140
P.A. Now (θ)
143.3°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.13"
Mag pri
6.69
Mag sec
7.63
delta mag (ΔM)
0.94
Spectral class
F5V (yellow-white)
Pri motion ra
-026
Sec motion ra
Pri motion dec
+059
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Fornax
SAO
194375
HIP
16628
Tycho2
7021-01149-1
HD
22262
HR
1093
CD
CD-31 1450
CP
CP-31 412
Distance
41.77
Distance ly
136.25
last precise pa
140
last precise sep
0.141
 
 
ORBITAL ELEMENTS
 
 
Period (P)19.36y± 0.05 Periastron (T)1997.19y± 0.17 Semi-major axis (a)0.224a± 0.003
Eccentricity (e)0.363± 0.011 Inclination (i)85.7°± 0.8 Longitude of periastron (ω)11.1°± 4.1
Node (Ω)140.8°± 0.7 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.052 304.8
2001 0.127 314.4
2002 0.190 317.1
2003 0.239 318.5
2004 0.274 319.5
2005 0.295 320.3
2006 0.303 321.0
2007 0.298 321.7
2008 0.281 322.5
2009 0.252 323.4
2010 0.211 324.6
2011 0.159 326.6
2012 0.098 330.7
2013 0.032 351.7
2014 0.047 123.5
2015 0.109 135.9
2016 0.143 139.9
2017 0.125 143.3
2018 0.062 151.2
2019 0.025 286.6
2020 0.101 312.6
2021 0.169 316.4
2022 0.223 318.1
2023 0.263 319.2
2024 0.289 320.0
2025 0.302 320.8
2026 0.301 321.5
2027 0.289 322.2
2028 0.264 323.1
2029 0.227 324.2
2030 0.179 325.7

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