NGTS-8 Overview
NGTS-8
1.04
R⦿
5024.27
K
NGTS-8 b
1.090
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| NGTS-8 | NGTS-8 b | 2.5 d | 12.22 R⨁ | Transit | 2019 | Costes et al. 2020 | Confirmed Planet |
- RA
- 21h55m54.22s
- Dec
- -14d04m06.38s
- Distance
-
428.976+5.621-5.481pc
- Parallax
- 2.302660±0.029933 mas
- Ecliptic Latitude
- -1.38428 deg
- Ecliptic Longitude
- 326.24825 deg
- Galactic Latitude
- -47.14354 deg
- Galactic Longitude
- 41.59543 deg
- Total Proper Motion
- 23.6701599±0.0471077 mas/yr
- Proper Motion (RA)
- 21.3627000±0.0468883 mas/yr
- Proper Motion (Dec)
- -10.1937000±0.0480593 mas/yr
- Photometry
-
mV13.690±0.103
-
mTESS12.9376±0.0065
-
mJ12.140±0.022
-
mH11.751±0.024
-
mKs11.642±0.021
-
mW111.590±0.023
-
mW211.615±0.023
-
mW311.864±0.384
-
mW48.872
-
mGaia13.495400±0.000304
-
mB14.586±0.031
-
mg14.12±0.03
-
mi13.21±0.06
-
mr13.43±0.06
| Source | Costes et al. 2020 | TICv8 | Gaia DR2 | ExoFOP | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
Teff
(K)
|
5241±50 |
5160.0000+155.1940-92.0144
|
5024.27+73.98-42.06
|
5160.000±123.604 | ||
|
L✶
(log10(L⦿))
|
--- |
-0.1960969+0.0192272-0.0133575
|
-0.2099292+0.0134943-0.0139271
|
--- | ||
|
R✶
(R⦿)
|
0.98±0.02 |
0.99840100+0.04844720-0.07156780
|
1.0364351+0.0175731-0.0298608
|
0.9984009861946106±0.0600075000000000 | ||
|
Metallicity
(dex)
|
0.24±0.09 [Fe/H] | --- | --- | --- | ||
|
v sin i
(km/s)
|
3.56±0.67 | --- | --- | --- | ||
|
Age
(Gyr)
|
12.48+3.23-3.68
|
--- | --- | --- | ||
|
M✶
(M⦿)
|
0.89+0.05-0.04
|
0.870000+0.108959-0.101897
|
--- | --- | ||
|
log g
(log10(cm/s2))
|
4.41±0.03 |
4.3789800+0.0579307-0.1078680
|
--- | 4.3789800±0.0828993 | ||
|
Sp. T
|
K0 V | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
--- |
1.2324532+0.3690404-0.2176180
|
--- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Costes et al. 2020 | ExoFOP | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
7.60±0.18 | --- | ||
|
Teq
(K)
|
1345±19 | 1226.01817408842 | ||
|
S
(S⨁)
|
503±33 | 533.9598888755188 | ||
|
Mp
(M⨁)
|
296+13-10
|
--- | ||
|
Mp
(MJup)
|
0.93+0.04-0.03
|
--- | ||
|
e
|
0.010+0.014-0.010
|
--- | ||
|
i
(deg)
|
86.9±0.5 | --- | ||
|
P
(days)
|
2.49970±0.00001 | 2.500136128058879±0.000208181020000 | ||
|
ρ
(g/cm3)
|
0.89+0.08-0.07
|
--- | ||
|
Rp
(R⨁)
|
12.2±0.3 | 11.424204496752537±0.817919430000000 | ||
|
Rp
(RJup)
|
1.09±0.03 | 1.0192010141254448±0.0729700096637690 | ||
|
Rp/R✶
|
0.114±0.002 | --- | ||
|
K
(m/s)
|
149.95±3.56 | --- | ||
|
a
(au)
|
0.035±0.001 | --- | ||
|
T14
(hours)
|
2.61±0.06 | 2.4822655077378184±0.0860445650000000 | ||
|
TC
(days)
|
2457500.17830±0.00072
(BJD)
|
2460804.76180100±0.00118944
(BJD)
|
||
|
δ
(%)
|
--- | 1.30270636056795±0.03811156000000 |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
NGTS-8b and NGTS-9b: two non-inflated hot Jupiters
Costes et al. 2020 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP TOI Table
ExoFOP -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | 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
- Download
