03128-0112 HJ  663AB (94 Cet)

 
 
03H 12M 46.32S -01 11' 45.4" P.A. 190.2 SEP 2.13 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
2015
Obs
19
Pa first
255
Pa last
197
P.A. Now (θ)
190.2°
Sep first
6.0
Sep last
2.2
Sep. Now (ρ)
2.13"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 94 Cet 130355 03128-0112 HJ 663 AB 1827 2015 19 190 2.1 5.06 11.00 5.94 Y <===
Show 130355 03128-0112 LAF 30 AC 2005 2005 1 187 6.2 3.80 20.40 16.60
Show 130355 03128-0112 LAF 30 AD 2005 2005 1 185 6.3 3.80 19.80 16.00
Show 130355 03128-0112 LAF 30 AE 2005 2005 1 73 11.6 3.80 21.30 17.50
Show 130355 03128-0112 TOK 654 AF 1991 1999 4 137 999.9 5.06 7.04 1.98
Show 130355 03128-0112 HJ 663 Ba,Bb 2008 2008 1 102 0.0 11.00 Y
Septuple system
6 visible 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
Distance
22.58
Distance ly
73.66
last precise pa
196.6
last precise sep
2.247
 
 
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° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1990
label rho theta
2000 2.339 206.0
2001 2.323 205.1
2002 2.307 204.3
2003 2.292 203.4
2004 2.278 202.5
2005 2.263 201.6
2006 2.250 200.7
2007 2.236 199.8
2008 2.223 198.9
2009 2.211 198.0
2010 2.199 197.0
2011 2.188 196.1
2012 2.177 195.1
2013 2.166 194.1
2014 2.156 193.2
2015 2.147 192.2
2016 2.138 191.2
2017 2.130 190.2
2018 2.122 189.1
2019 2.115 188.1
2020 2.109 187.1
2021 2.103 186.1
2022 2.097 185.0
2023 2.093 184.0
2024 2.089 182.9
2025 2.085 181.9
2026 2.082 180.8
2027 2.080 179.8
2028 2.078 178.7
2029 2.077 177.7
2030 2.076 176.6

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