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 |
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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 |
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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 |
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Sec motion ra |
|
|
Pri motion dec |
-106 |
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Sec motion dec |
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Notes |
K
(K-band or other infrared magnitudes) |
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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 |
|
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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
Identifier | 01494-1042 |
coord_arcsec_2000 | 014923.43-104211.9 |
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 | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (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 |
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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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