03544-4021 FIN 344AB

 
 
03H 54M 23.18S -40 21' 25.3" P.A. 130.2 SEP 0.08 MAG 6.50,6.50 SP K0III+A3V DIST. 153.14 PC (499.54 L.Y.)
 
 
Coord 2000
03544-4021
Discov num
FIN 344
Comp
AB
Coord arcsec 2000
03 54 23.18 -40 21 25.3
Date first
1960
Date last
2015
Obs
16
Pa first
119
Pa last
298
P.A. Now (θ)
130.2°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.08"
Mag pri
6.50
Mag sec
6.50
delta mag (ΔM)
0
Spectral class
K0III+A3V (yellow-orange/white)
Pri motion ra
-018
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
03544-4021 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 216546 03544-4021 FIN 344 AB 1960 2015 16 130 0.1 6.50 6.50 0.00 Y <===
Show 216546 03544-4021 HDO 188 AB,C 1895 2015 6 167 23.6 5.77 12.70 6.93
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Eridanus
SAO
216546
HIP
18262
Tycho2
7573-01158-1
HD
24744
HR
1219
CD
CD-40 1128
CP
CP-40 378
Distance
153.14
Distance ly
499.54
last precise pa
297.8
last precise sep
0.088
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.03y± 0.04 Periastron (T)2008.05y± 0.04 Semi-major axis (a)0.0614a± 0.0005
Eccentricity (e)0.579± 0.008 Inclination (i)32.4°± 1.5 Longitude of periastron (ω)49.7°± 2.3
Node (Ω)247.4°± 2 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.089 103.6
2001 0.089 112.0
2002 0.085 120.8
2003 0.080 130.5
2004 0.072 142.2
2005 0.062 157.1
2006 0.051 178.4
2007 0.038 212.9
2008 0.024 286.4
2009 0.035 25.7
2010 0.057 58.2
2011 0.072 74.3
2012 0.082 85.5
2013 0.087 94.8
2014 0.089 103.4
2015 0.089 111.7
2016 0.085 120.5
2017 0.080 130.2
2018 0.072 141.8
2019 0.062 156.6
2020 0.051 177.6
2021 0.038 211.5
2022 0.024 283.0
2023 0.035 24.0
2024 0.056 57.6
2025 0.071 73.9
2026 0.081 85.2
2027 0.087 94.6
2028 0.089 103.1
2029 0.089 111.5
2030 0.085 120.2

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