YZ Cet Overview

YZ Cet 0.18 R⦿ 3082.00 K
YZ Cet b
YZ Cet c
YZ Cet d
Architecture
YZ Cet
YZ Cet
YZ Cet b
YZ Cet c
YZ Cet d
Discovery Data
Host Planet Method Year Reference Disposition
YZ Cet YZ Cet b Radial Velocity 2017 Astudillo-Defru et al. 2017 Confirmed Planet
YZ Cet YZ Cet c Radial Velocity 2017 Astudillo-Defru et al. 2017 Confirmed Planet
YZ Cet YZ Cet d Radial Velocity 2017 Astudillo-Defru et al. 2017 Confirmed Planet
YZ Cet b
  • Author notes ambiguity between 1 day aliases for the periods of planets b and c. (Robertson 2018)
YZ Cet c
  • Author notes ambiguity between 1 day aliases for the periods of planets b and c. (Robertson 2018)
RA
01h12m31.94s
Dec
-16d59m46.48s
Distance
3.71207±0.00109 pc
Parallax
269.3630000±0.0784959 mas
Ecliptic Latitude
-22.74184 deg
Ecliptic Longitude
9.78875 deg
Galactic Latitude
-78.75503 deg
Galactic Longitude
149.72351 deg
Total Proper Motion
1363.5226800±0.1600966 mas/yr
Proper Motion (RA)
1205.180000±0.169671 mas/yr
Proper Motion (Dec)
637.758000±0.119817 mas/yr
Photometry
mV
12.074
mTESS
12.2975000±0.0474324
mKs
6.420±0.017
mIc
8.910±0.025
mGaia
10.429400±0.000576
mB
13.800±0.025
Source Robertson 2018 Astudillo-Defru et al. 2017 Turnbull 2015 Nidever et al. 2002 Hawley et al. 1996
Teff
(K)
--- 3056±60 3082 --- ---
M
(M⦿)
0.13±0.01 0.130±0.013 0.22 --- ---
R
(R⦿)
0.169±0.001 0.168±0.009 0.18 --- ---
Sp. T
M4 V M4.5 M4.0V --- M4.5
Metallicity
(dex)
--- -0.26±0.08 [Fe/H] --- --- ---
γ
(km/s)
--- 28.30100±0.00030 --- 28.1 ---
Age
(Gyr)
--- 5.0±1.0 --- --- ---
Prot
(days)
--- 83±15 --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Astudillo-Defru et al. 2017 Robertson 2018
ω
(deg)
--- 354±90
Mp sin i
(M)
0.75±0.13 0.65±0.15
Mp sin i
(MJup)
0.0024±0.0004 0.0020±0.0005
e
0.0±0.1
0.030+0.400-0.030
P
(days)
1.96876±0.00021 1.9689±0.0004
K
(m/s)
1.48±0.25 1.3±0.3
a
(au)
0.01557±0.00052 0.0156±0.0004
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Astudillo-Defru et al. 2017 Robertson 2018
ω
(deg)
--- 30±80
Mp sin i
(M)
0.980±0.140 0.58±0.11
Mp sin i
(MJup)
0.00308±0.00044 0.0018±0.0003
e
0.040±0.110
0.050+0.350-0.050
P
(days)
3.06008±0.00022 0.75215±0.00001
K
(m/s)
1.68±0.23 1.6±0.3
a
(au)
0.02090±0.00070 0.0082±0.0002
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Astudillo-Defru et al. 2017 Robertson 2018
ω
(deg)
--- 315±120
Mp sin i
(M)
1.14±0.17 1.21±0.20
Mp sin i
(MJup)
0.00359±0.00053 0.00381±0.00063
e
0.129±0.096
0.020+0.250-0.020
P
(days)
4.65627±0.00042 4.6568±0.0004
K
(m/s)
1.72±0.23 1.8±0.3
a
(au)
0.02764±0.00093 0.0276±0.0007
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     47 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
3 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
3 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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