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 |
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Coord arcsec 2000 |
03 12 46.32 -01 11 45.4 |
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Date first |
1827 |
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Date last |
2018 |
|
Obs |
27 |
|
Pa first |
255 |
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Pa last |
194.7 |
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P.A. Now (θ) |
194.7° |
|
Sep first |
6.0 |
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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) |
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Pri motion ra |
+196 |
|
Sec motion ra |
|
|
Pri motion dec |
-067 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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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° | |
Notes | n | |
Reference | Hle1994 | |
Equinox | 2000 | |
Last observation | 1990 | |
Grade | 5 | (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 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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