02442-2530 FIN 379Aa,Ab

 
 
02h 44m 14.51s -25 29' 43.9" P.A. 155.8 sep 0.11 mag 7.50,8.10 Sp G3V dist. 41.32 pc (134.79 l.y.)
 
 
Coord 2000
02442-2530
Discov num
FIN 379
Comp
Aa,Ab
Coord arcsec 2000
02 44 14.51 -25 29 43.9
Date first
1963
Date last
2015
Obs
25
Pa first
143
Pa last
71
P.A. Now (θ)
155.8°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0.11"
Mag pri
7.50
Mag sec
8.10
delta mag (ΔM)
0.6
Spectral class
G3V (yellow)
Pri motion ra
+163
Sec motion ra
Pri motion dec
+046
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02442-2530 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 168012 02442-2530 FIN 379 Aa,Ab 1963 2015 25 156 0.1 7.50 8.10 0.60 Y <===
Show 168012 02442-2530 BSO 1 AB 1835 2013 29 193 12.5 7.04 8.50 1.46 Y
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71.2
Precise sep
0.046
Constellation
Fornax
SAO
168012
HIP
12780
Tycho2
6434-01880-1
HD
17134
CD
CD-26 996
Distance
41.32
Distance ly
134.79
last precise pa
71.2
last precise sep
0.046
 
 
ORBITAL ELEMENTS
 
 
Period (P)6.68917y± 0.0051 Periastron (T)2008.846y± 0.007 Semi-major axis (a)0.1002a± 0.0006
Eccentricity (e)0.4999± 0.0015 Inclination (i)42°± 0.72 Longitude of periastron (ω)191.2°± 0.59
Node (Ω)183.77°± 0.49 Note Grade1(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.124 213.4
2001 0.078 248.2
2002 0.051 350.8
2003 0.068 125.9
2004 0.123 165.9
2005 0.148 184.3
2006 0.143 200.2
2007 0.112 221.2
2008 0.064 270.0
2009 0.047 34.9
2010 0.087 144.1
2011 0.134 172.4
2012 0.149 189.2
2013 0.136 205.7
2014 0.098 231.0
2015 0.054 302.3
2016 0.049 84.5
2017 0.105 155.8
2018 0.142 178.1
2019 0.148 194.0
2020 0.127 212.0
2021 0.082 244.5
2022 0.051 341.9
2023 0.064 120.4
2024 0.120 164.3
2025 0.147 183.2
2026 0.144 199.1
2027 0.115 219.3
2028 0.067 264.5
2029 0.048 24.7
2030 0.083 140.8

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

grafico orbita





wds02442-2530e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02442-2530 FIN 379 Aa,Ab 1991 12 186 0.1 7.00   G1V NO 024414.51-252943.9
02442-2530 FIN 379 Aa,Ab 2008 17 306 0.0 7.00   G1V NO 024414.51-252943.9
02442-2530 FIN 379 Aa,Ab 2010 16 343 0.1 7.00   G1V NO 024414.51-252943.9
02442-2530 FIN 379 Aa,Ab 2013 21 223 0.1 7.50 8.10 G3V NO 024414.51-252943.9
02442-2530 FIN 379 Aa,Ab 2015 24 304 0.1 7.50 8.10 G3V NO 024414.51-252943.9

If you need more information about this double, apply for a data request form to the WDS.