HD 1397 Overview

HD 1397 2.34 R⦿ 5474.00 K
HD 1397 b
1.026 RJup
Architecture
HD 1397
HD 1397
HD 1397 b
Discovery Data
Host Planet Method Year Reference Disposition
HD 1397 HD 1397 b Transit 2018 Nielsen et al. 2019 Confirmed Planet
HD 1397 b
RA
00h17m47.32s
Dec
-66d21m32.14s
Distance
79.5702+0.1738-0.1731
pc
Parallax
12.5386000±0.0271885 mas
Ecliptic Latitude
-58.52317 deg
Ecliptic Longitude
319.9668 deg
Galactic Latitude
-50.42274 deg
Galactic Longitude
308.21517 deg
Total Proper Motion
64.9597291±0.0491517 mas/yr
Proper Motion (RA)
64.7627000±0.0491955 mas/yr
Proper Motion (Dec)
-5.0556000±0.0413414 mas/yr
Photometry
mV
7.79±0.03
mTESS
7.1062±0.0060
mJ
6.442±0.020
mH
6.090±0.049
mKs
5.988±0.018
mW1
6.018±0.096
mW2
5.898±0.043
mW3
5.988±0.016
mW4
5.921±0.049
mGaia
7.593360±0.000278
mB
8.474±0.000
Source TICv8 Brahm et al. 2019 Nielsen et al. 2019 Gaia DR2 Michigan Catalog, Vol. 1 Cannon & Pickering 1918 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5479.300+97.980-121.651
5474±80 5521±60
5555.3335+171.9165-124.3335
--- --- 5479.3±57.0
L
(log10(L⦿))
0.64655693+0.00619551-0.01266176
0.635+0.019-0.020
0.660+0.014-0.015
0.64535593+0.00156332-0.00156898
--- --- ---
Metallicity
(dex)
-0.020±0.090 [M/H] 0.04±0.05 [Fe/H] 0.29±0.09 [Fe/H] --- --- --- ---
v sin i
(km/s)
--- 3.0±0.3 <2 --- --- --- ---
Age
(Gyr)
--- 4.46±0.25 4.51±0.50 --- --- --- ---
ρ
(g/cm3)
0.1061681+0.0272526-0.0157296
0.137±0.009 0.147±0.010 --- --- --- ---
M
(M⦿)
0.9600000+0.1587390-0.0902020
1.257±0.029
1.324+0.042-0.046
--- --- --- ---
R
(R⦿)
2.3360400+0.1340080-0.0852482
2.341+0.022-0.019
2.336+0.052-0.059
2.2693963+0.1050973-0.1341975
--- --- 2.487710±0.298399
log g
(log10(cm/s2))
3.6833800+0.0951573-0.0534279
3.794±0.010 3.823±0.020 --- --- --- 3.77±0.08
γ
(km/s)
--- --- --- 30.752599698669442±0.141768027287867 --- --- ---
Sp. T
--- --- --- --- G5 III/IV G0 ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Nielsen et al. 2019 Patel & Espinoza 2022 Brahm et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
10.10+0.24-0.22
10.30+0.09-0.26
9.22+0.38-0.40
---
Teq
(K)
1228.3+10.0-9.9
--- 1519±35 ---
b
0.17+0.12-0.11
0.140+0.123-0.088
0.18+0.13-0.12
---
ω
(deg)
2.1+6.1-7.0
---
35.3+8.9-9.5
---
Mp
(M)
132±6 ---
117+7-7
---
Mp
(MJup)
0.415±0.020 ---
0.367+0.022-0.023
---
e
0.251+0.020-0.019
---
0.216+0.027-0.026
---
i
(deg)
88.99+0.67-0.73
---
88.7+0.9-1.0
---
P
(days)
11.53533+0.00079-0.00080
11.5350800+0.0005000-0.0005300
11.5366±0.0003 11.535076±0.001035
Rp
(R)
11.50+0.28-0.30
--- 11.47±0.15 12.215808±1.480912
Rp
(RJup)
1.026+0.025-0.027
--- 1.023±0.013 1.0898233±0.1321183
Rp/R
0.04513+0.00030-0.00025
0.0452±0.0005
0.04490+0.00045-0.00041
---
K
(m/s)
32.0±1.4 ---
28.3+1.6-1.7
---
a
(au)
0.1097+0.0011-0.0013
---
0.1003+0.0042-0.0045
---
TC
(days)
2458332.08261±0.00060
2458332.08300+0.00051-0.00053
2458332.0817±0.0004 2458332.082805±0.000707
δ
(%)
0.2037+0.0027-0.0023
--- --- 0.2389906160±0.0028935114
T14
(hours)
8.602+0.034-0.031
--- --- 8.555958±0.069027
S
(S)
356±12 --- --- ---
ρ
(g/cm3)
0.477+0.043-0.038
--- --- ---
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     152 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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