03128-0112 HJ 663 AB (94 Cet)

 
 
03h 12m 46.32s -01° 11' 45.4" P.A. 195.00 sep 2.3 mag 5.06,11.00 Sp F8V dist. 22.58 pc (73.66 l.y.)
 
 
Coord 2000 03128-0112 Discov num HJ  663 Comp AB Coord arcsec 2000 03 12 46.32 -01 11 45.4
Date first 1827 Date last 2018 Obs 27
Pa first 255 Pa last 194.7 P.A. Now (θ) 194.7°
Sep first 6.0 Sep last 2.252 Sep. Now (ρ) 2.252"
Mag pri 5.06 Mag sec 11.00 delta mag (ΔM) 5.94 Spectral class F8V (yellow-white)
Pri motion ra +196 Sec motion ra
Pri motion dec -067 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03128-0112 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 94 Cet 130355 03 12 46 -01 11 45 HJ 663 AB 2018 27 195 2.3 5.06 11.00 5.94 Y <===
Show 130355 03 12 46 -01 11 45 LAF 30 AC 2005 1 187 6.2 3.80 20.40 16.60
Show 130355 03 12 46 -01 11 45 LAF 30 AD 2005 1 185 6.3 3.80 19.80 16.00
Show 130355 03 12 46 -01 11 45 LAF 30 AE 2005 1 73 11.6 3.80 21.30 17.50
Show 130355 03 12 46 -01 11 45 TOK 654 AF 1999 4 137 999.9 5.06 7.04 1.98
Show 130355 03 12 46 -01 11 45 HJ 663 Ba,Bb 2008 1 102 0.0 11.00 Y
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 94 Cet Constellation Cetus SAO 130355 HIP 14954
Tycho2 4708-01423-1 HD 19994 HR 962 GC 3838
ADS 2406 GL Gl 128A BD BD-01 457 Flamsteed 94 Ceti
Flamsteed name 94 Cet FK5 116 Distance 22.58 Distance ly 73.66
 
 
ORBITAL ELEMENTS
 
 
Period (P)1420y Periastron (T)1982y Semi-major axis (a)6.77a
Eccentricity (e)0.26 Inclination (i)114.1° Longitude of periastron (ω)247.74°
Node (Ω)84.13° Notesn ReferenceHle1994
Equinox2000 Last observation1990 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 206.0 2.339
2001 205.1 2.323
2002 204.3 2.307
2003 203.4 2.292
2004 202.5 2.278
2005 201.6 2.263
2006 200.7 2.250
2007 199.8 2.236
2008 198.9 2.223
2009 198.0 2.211
2010 197.0 2.199
2011 196.1 2.188
2012 195.1 2.177
2013 194.1 2.166
2014 193.2 2.156
2015 192.2 2.147
2016 191.2 2.138
2017 190.2 2.130
2018 189.1 2.122
2019 188.1 2.115
2020 187.1 2.109
2021 186.1 2.103
2022 185.0 2.097
2023 184.0 2.093
2024 182.9 2.089
2025 181.9 2.085
2026 180.8 2.082
2027 179.8 2.080
2028 178.7 2.078
2029 177.7 2.077
2030 176.6 2.076


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



 
 


wds03128-0112a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic