02384-0125 A   450

 
 
02h 38m 25.25s -01 24' 31.0" P.A. 183 sep 0.31 mag 8.49,10.19 Sp F2 dist. 295.86 pc (965.1 l.y.)
 
 
Coord 2000
02384-0125
Discov num
A   450
Comp
Coord arcsec 2000
02 38 25.25 -01 24 31.0
Date first
1903
Date last
2008
Obs
23
Pa first
220
Pa last
186
P.A. Now (θ)
183°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.31"
Mag pri
8.49
Mag sec
10.19
delta mag (ΔM)
1.7
Spectral class
F2 (yellow-white)
Pri motion ra
+029
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.7
Precise sep
0.331
Constellation
Cetus
HIP
12301
Tycho2
4698-00946-1
HD
16453
ADS
2005
BD
BD-02 456
Distance
295.86
Distance ly
965.1
last precise pa
185.7
last precise sep
0.331
 
 
ORBITAL ELEMENTS
 
 
Period (P)915y Periastron (T)2060y Semi-major axis (a)0.6a
Eccentricity (e)0.639 Inclination (i)116.7° Longitude of periastron (ω)252.2°
Node (Ω)1.4° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.349 191.2
2001 0.347 190.8
2002 0.345 190.3
2003 0.343 189.9
2004 0.341 189.5
2005 0.339 189.1
2006 0.337 188.7
2007 0.335 188.2
2008 0.333 187.8
2009 0.330 187.3
2010 0.328 186.9
2011 0.325 186.4
2012 0.323 186.0
2013 0.320 185.5
2014 0.318 185.0
2015 0.315 184.5
2016 0.312 184.0
2017 0.309 183.5
2018 0.306 183.0
2019 0.303 182.5
2020 0.300 181.9
2021 0.297 181.4
2022 0.294 180.8
2023 0.290 180.3
2024 0.287 179.7
2025 0.283 179.1
2026 0.279 178.4
2027 0.276 177.8
2028 0.272 177.2
2029 0.268 176.5
2030 0.264 175.8

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

grafico orbita





wds02384-0125a.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
02384-0125 A 450 1997 22 195 0.2 8.49 10.19 F2 OD 023825.25-012431.0
02384-0125 A 450 2008 23 186 0.3 8.49 10.19 F2 OD 023825.25-012431.0

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