02412-0042 STF 295 (84 Cet)

 
 
02h 41m 14.00s -00° 41' 44.4" P.A. 302.00 sep 3.9 mag 5.82,9.68 Sp F6V dist. 22.59 pc (73.69 l.y.)
 
 
Coord 2000 02412-0042 Discov num STF 295 Comp Coord arcsec 2000 02 41 14.00 -00 41 44.4
Date first 1829 Date last 2016 Obs 121
Pa first 335 Pa last 301.6 P.A. Now (θ) 301.6°
Sep first 4.6 Sep last 3.901 Sep. Now (ρ) 3.901"
Mag pri 5.82 Mag sec 9.68 delta mag (ΔM) 3.86 Spectral class F6V (yellow-white)
Pri motion ra +222 Sec motion ra +219
Pri motion dec -127 Sec motion dec -125
Notes N O (See Notes, Orbital solution)
rPM=0.014 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 84 Cet Var name NSV893 Cet Constellation Cetus SAO 130055
HIP 12530 Tycho2 4699-01214-1 HD 16765 HR 790
GC 3235 ADS 2046 BD BD-01 377 Flamsteed 84 Ceti
Flamsteed name 84 Cet Distance 22.59 Distance ly 73.69
 
 
ORBITAL ELEMENTS
 
 
Period (P)3193.9628y± 1775.8156 Periastron (T)1648.7972y± 547.2949 Semi-major axis (a)13.91356a± 7.37013
Eccentricity (e)0.80099± 0.14736 Inclination (i)102.627°± 8.955 Longitude of periastron (ω)117.242°± 41.718
Node (Ω)169.625°± 62.518 Notesn ReferenceIzm2019
Equinox Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 304.9 3.942
2001 304.7 3.938
2002 304.5 3.933
2003 304.3 3.929
2004 304.1 3.924
2005 303.9 3.920
2006 303.7 3.916
2007 303.6 3.911
2008 303.4 3.907
2009 303.2 3.903
2010 303.0 3.899
2011 302.8 3.894
2012 302.6 3.890
2013 302.4 3.886
2014 302.2 3.882
2015 302.1 3.878
2016 301.9 3.873
2017 301.7 3.869
2018 301.5 3.865
2019 301.3 3.861
2020 301.1 3.857
2021 300.9 3.853
2022 300.7 3.849
2023 300.5 3.845
2024 300.3 3.841
2025 300.1 3.838
2026 299.9 3.834
2027 299.7 3.830
2028 299.5 3.826
2029 299.4 3.822
2030 299.2 3.819


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



 
 


wds02412-0042a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic