01494-1042 AMM 1 AB (EZ Cet)

 
 
01h 49m 23.43s -10° 42' 11.9" P.A. 354.00 sep 6.1 mag 5.15,9.50 Sp G1V dist. 22.56 pc (73.59 l.y.)
 
 
Coord 2000 01494-1042 Discov num AMM   1 Comp AB Coord arcsec 2000 01 49 23.43 -10 42 11.9
Date first 2004 Date last 2015 Obs 4
Pa first 354 Pa last 353.5 P.A. Now (θ) 353.5°
Sep first 6.4 Sep last 6.066 Sep. Now (ρ) 6.066"
Mag pri 5.15 Mag sec 9.50 delta mag (ΔM) 4.35 Spectral class G1V (yellow)
Pri motion ra -125 Sec motion ra
Pri motion dec -106 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
01494-1042 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show EZ Cet 01 49 23 -10 42 12 AMM 1 AB 2015 4 354 6.1 5.15 9.50 4.35 Y <===
Show 01 49 23 -10 42 12 AMM 1 AC 2004 1 303 14.8 5.15 19.90 14.75
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name EZ Cet Constellation Cetus HIP 8486 Tycho2 5278-02439-1
Gaia DR2 2461045711199481472 HD 11131 GL Wo 9061B BD BD-11 351
Distance 22.56 Distance ly 73.59
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier01494-1042
coord_arcsec_2000014923.43-104211.9
Period (P)6.765y± 3.162 Periastron (T)1993.89y± 2.872 Semi-major axis (a)53.2m± 10.6
Eccentricity (e)0.45± 0.23 Inclination (i)64°± 2 Longitude of periastron (ω)65°± 94
Node (Ω)333°± 91 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 325.4 0.039
2001 109.7 0.019
2002 156.5 0.056
2003 173.5 0.058
2004 195.1 0.045
2005 237.7 0.032
2006 294.6 0.036
2007 335.7 0.034
2008 133.0 0.031
2009 160.7 0.059
2010 177.7 0.056
2011 202.5 0.042
2012 251.8 0.031
2013 304.8 0.038
2014 351.1 0.026
2015 143.6 0.042
2016 164.7 0.060
2017 182.3 0.053
2018 211.3 0.038
2019 266.1 0.031
2020 314.1 0.039
2021 27.8 0.015
2022 150.3 0.049
2023 168.5 0.060
2024 187.5 0.050
2025 221.9 0.035
2026 279.7 0.033
2027 323.0 0.039
2028 98.3 0.016
2029 155.3 0.055
2030 172.4 0.059


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



 
 


wds01494-1042r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic