01494-1042 AMM   1AB (EZ Cet)

 
 
01H 49M 23.43S -10 42' 11.9" P.A. 354 SEP 6.4 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
2004
Obs
1
Pa first
354
Pa last
354
P.A. Now (θ)
354°
Sep first
6.4
Sep last
6.4
Sep. Now (ρ)
6.4"
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)
Nature of this double is uncertain.
 
 
01494-1042 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show EZ Cet 148033 01494-1042 AMM 1 AB 2004 2004 1 354 6.4 5.15 9.50 4.35 Y <===
Show 148033 01494-1042 AMM 1 AC 2004 2004 1 303 14.8 5.15 19.90 14.75
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
EZ Cet
Constellation
Cetus
SAO
148033
HIP
8486
Tycho2
5278-02439-1
HD
11131
GL
Wo 9061B
BD
BD-11 351
Distance
22.56
Distance ly
73.59
last precise pa
353.9
last precise sep
6.371
 
 
ORBITAL ELEMENTS
 
 
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 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000 0.039 325.4
2001 0.019 109.7
2002 0.056 156.5
2003 0.058 173.5
2004 0.045 195.1
2005 0.032 237.7
2006 0.036 294.6
2007 0.034 335.7
2008 0.031 133.0
2009 0.059 160.7
2010 0.056 177.7
2011 0.042 202.5
2012 0.031 251.8
2013 0.038 304.8
2014 0.026 351.1
2015 0.042 143.6
2016 0.060 164.7
2017 0.053 182.3
2018 0.038 211.3
2019 0.031 266.1
2020 0.039 314.1
2021 0.015 27.8
2022 0.049 150.3
2023 0.060 168.5
2024 0.050 187.5
2025 0.035 221.9
2026 0.033 279.7
2027 0.039 323.0
2028 0.016 98.3
2029 0.055 155.3
2030 0.059 172.4

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