HD 1397 Overview
HD 1397
2.34
R⦿
5474.00
K
HD 1397 b
1.026
RJup
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 1
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 1397 | HD 1397 b | Transit | 2018 | Nielsen et al. 2019 | Confirmed Planet |
HD 1397 b
- Planet also independently announced in this ref. (Brahm et al. 2019)
- RA
- 00h17m47.32s
- Dec
- -66d21m32.14s
- Distance
-
79.5702+0.1738-0.1731pc
- 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
-
mV7.79±0.03
-
mTESS7.1062±0.0060
-
mJ6.442±0.020
-
mH6.090±0.049
-
mKs5.988±0.018
-
mW16.018±0.096
-
mW25.898±0.043
-
mW35.988±0.016
-
mW45.921±0.049
-
mGaia7.593360±0.000278
-
mB8.474±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 | ||
|
S
(S⨁)
|
356±12 | --- | --- | --- | ||
|
ρ
(g/cm3)
|
0.477+0.043-0.038
|
--- | --- | --- | ||
|
δ
(%)
|
0.2037+0.0027-0.0023
|
--- | --- | 0.2389906160±0.0028935114 | ||
|
T14
(hours)
|
8.602+0.034-0.031
|
--- | --- | 8.555958±0.069027 |
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
-
Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
HD 1397b: A Transiting Warm Giant Planet Orbiting A V = 7.8 mag Subgiant Star Discovered by TESS
Brahm et al. 2019 | Reference Overview -
A Jovian planet in an eccentric 11.5 day orbit around HD 1397 discovered by TESS
Nielsen et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 1
Michigan Catalog, Vol. 1 | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
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