02405-2408 SEE  19

 
 
02h 40m 31.49s -24 08' 07.5" P.A. 149.7 sep 0.05 mag 8.15,8.68 Sp F5V dist. 188.32 pc (614.3 l.y.)
 
 
Coord 2000
02405-2408
Discov num
SEE  19
Comp
Coord arcsec 2000
02 40 31.49 -24 08 07.5
Date first
1897
Date last
2015
Obs
37
Pa first
324
Pa last
178
P.A. Now (θ)
149.7°
Sep first
0.6
Sep last
0.1
Sep. Now (ρ)
0.05"
Mag pri
8.15
Mag sec
8.68
delta mag (ΔM)
0.53
Spectral class
F5V (yellow-white)
Pri motion ra
+022
Sec motion ra
Pri motion dec
+023
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178
Precise sep
0.059
Constellation
Fornax
SAO
167965
HIP
12466
Tycho2
6434-01859-1
HD
16753
ADS
2044
CD
CD-24 1196
CP
CP-24 304
Distance
188.32
Distance ly
614.3
last precise pa
178
last precise sep
0.059
 
 
ORBITAL ELEMENTS
 
 
Period (P)310.26y± 146.13 Periastron (T)2016.8y± 0.32 Semi-major axis (a)0.393a± 0.098
Eccentricity (e)0.839± 0.009 Inclination (i)147.2°± 3.3 Longitude of periastron (ω)73.2°± 22.9
Node (Ω)225.6°± 39 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.213 275.0
2001 0.206 273.2
2002 0.198 271.2
2003 0.190 269.0
2004 0.181 266.6
2005 0.173 264.0
2006 0.164 261.1
2007 0.155 257.8
2008 0.145 254.2
2009 0.135 250.0
2010 0.125 245.2
2011 0.114 239.4
2012 0.103 232.5
2013 0.091 223.8
2014 0.079 212.5
2015 0.068 197.3
2016 0.058 176.4
2017 0.054 149.7
2018 0.057 122.2
2019 0.066 99.9
2020 0.079 84.1
2021 0.092 72.7
2022 0.106 64.3
2023 0.119 57.9
2024 0.132 52.7
2025 0.145 48.4
2026 0.156 44.8
2027 0.168 41.6
2028 0.179 38.9
2029 0.189 36.5
2030 0.200 34.3

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

grafico orbita





wds02405-2408c.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
02405-2408 SEE 19 1996 32 279 0.3 8.15 8.68 F5V O 024031.49-240807.5
02405-2408 SEE 19 2008 34 252 0.1 8.15 8.68 F5V O 024031.49-240807.5
02405-2408 SEE 19 2010 35 242 0.1 8.15 8.68 F5V O 024031.49-240807.5
02405-2408 SEE 19 2014 36 199 0.1 8.15 8.68 F5V O 024031.49-240807.5
02405-2408 SEE 19 2015 37 178 0.1 8.15 8.68 F5V O 024031.49-240807.5

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