01198-0031 FIN 337 BC

 
 
01h 19m 48.33s -00 30' 31.0" P.A. 16.00 sep 0.1 mag 7.40,7.60 Sp F5 dist. 100.7 pc (328.48 l.y.)
 
 
Coord 2000 01198-0031 Discov num FIN 337 Comp BC Coord arcsec 2000 01 19 48.33 -00 30 31.0
Date first 1958 Date last 2021 Obs 89
Pa first 227 Pa last 15.5 P.A. Now (θ) 225.4°
Sep first 0.1 Sep last 0.084 Sep. Now (ρ) 0.085"
Mag pri 7.40 Mag sec 7.60 delta mag (ΔM) 0.2 Spectral class F5 (yellow-white)
Pri motion ra +013 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
01198-0031 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 42 Cet 129235 01 19 48 -00 30 32 STF 113 A,BC 2021 334 21 1.6 6.45 6.99 0.54 Y
Show 129235 01 19 48 -00 30 31 FIN 337 BC 2021 89 16 0.1 7.40 7.60 0.20 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus SAO 129235 HIP 6226 Tycho2 4682-01383-2
HD 8036 HR 385 GC 1600 ADS 1081
BD BD-01 171 Distance 100.7 Distance ly 328.48
 
 
ORBITAL ELEMENTS
 
 
Period (P)27.028y± 0.09 Periastron (T)1995.04y± 0.13 Semi-major axis (a)0.10855a± 0.00071
Eccentricity (e)0.215± 0.011 Inclination (i)16.8°± 2.8 Longitude of periastron (ω)13°± 18
Node (Ω)194°± 17 Notesn ReferenceMsn2010c
Equinox2000 Last observation2009 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 298.1 0.100
2001 312.1 0.106
2002 324.6 0.112
2003 335.8 0.117
2004 346.0 0.122
2005 355.6 0.126
2006 4.6 0.129
2007 13.3 0.131
2008 21.8 0.132
2009 30.2 0.131
2010 38.8 0.130
2011 47.7 0.128
2012 56.9 0.124
2013 66.7 0.120
2014 77.3 0.115
2015 88.8 0.110
2016 101.4 0.105
2017 115.4 0.100
2018 130.8 0.095
2019 147.6 0.091
2020 165.8 0.088
2021 185.0 0.086
2022 205.1 0.085
2023 225.4 0.085
2024 245.4 0.086
2025 264.5 0.089
2026 282.0 0.094
2027 297.7 0.099
2028 311.7 0.105
2029 324.2 0.111
2030 335.5 0.117


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



 
 


wds01198-0031b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic