NGTS-17 Overview

NGTS-17 1.34 R_⦿ 5650.00 K

NGTS-17 b

1.240 R_Jup

Overview Notes 1 Parameters Nearby Data Bibliography 3 Legend Expand All

NGTS-17 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
NGTS-17
NGTS-17 b	3.24 d	13.9 R_⨁	Transit	2021	Tilbrook et al. 2021	Confirmed Planet

Exoplanet Archive Notes (1)

NGTS-17 b

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Tilbrook et al. 2021)

NGTS-17 Stellar Parameters (3 Solutions)

RA: 04h51m36.14s

Dec: -34d13m34.37s

Distance: 1040.28+22.05-21.16
pc

Parallax: 0.9320590±0.0198214 mas

Ecliptic Latitude: -56.14001 deg

Ecliptic Longitude: 64.12578 deg

Galactic Latitude: -38.60499 deg

Galactic Longitude: 236.48794 deg

Total Proper Motion: 11.8138267±0.0339356 mas/yr

Proper Motion (RA): -0.1899200±0.0312886 mas/yr

Proper Motion (Dec): -11.8123000±0.0339363 mas/yr

Photometry: m_V
14.412±0.126; m_TESS
13.7671±0.0060; m_J
13.114±0.026; m_H
12.867±0.027; m_Ks
12.724±0.029; m_W1
12.755±0.023; m_W2
12.769±0.025; m_W3
12.452±0.312; m_W4
9.358; m_Gaia
14.213600±0.000369; m_B
15.043±0.033

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; TOI; Stellar Hosts

Source	Tilbrook et al. 2021	TICv8	ExoFOP
T_eff (K)	5650±100	5749.0+122.0-122.0	5749±122
Metallicity (dex)	0.15±0.10 [Fe/H]	---	---
γ (km/s)	34.81±0.07	---	---
v sin i (km/s)	4.1+1.0-1.0	---	---
Age (Gyr)	9.220+1.410-1.400	---	---
M_✶ (M_⦿)	1.025+0.034-0.033	1.03	---
R_✶ (R_⦿)	1.337±0.125	1.33066	1.3306599855422974
log g (log₁₀(cm/s²))	4.00±0.12	4.20277	4.20277
Sp. T	G4 V	---	---
L_✶ (log₁₀(L_⦿))	---	0.2412007	---
ρ_✶ (g/cm³)	---	0.616308	---

NGTS-17 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; TOI; Transit

Source	Tilbrook et al. 2021	ExoFOP
a/R_✶	6.28+0.40-0.40	---
T_eq (K)	1457±50	1405.9230770399777
b	0.688+0.043-0.056	---
S (S_⨁)	1160±250	923.3518847284219
M_p (M_⨁)	243+62-52	---
M_p (M_Jup)	0.764+0.195-0.164	---
e	0	---
P (days)	3.24253+0.00001-0.00001	3.2425264975138677±0.0002724465000000
ρ (g/cm³)	0.50+0.27-0.17	---
R_p (R_⨁)	13.9±1.2	12.038851339973236±0.816293660000000
R_p (R_Jup)	1.24±0.11	1.0740362270383101±0.0728249679295103
R_p/R_✶	0.095±0.001	---
K (m/s)	93.0+20.0-17.0	---
a (au)	0.0391±0.0043	---
T₁₄ (hours)	3.391+0.076-0.073	3.2746471357215357±0.1864767800000000
T_C (days)	2458442.5219±0.0009 (BJD)	2460991.13970700±0.00272707 (BJD)
δ (%)	---	0.803302205485848±0.043023874000000

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 2 2MASS Point Source Catalog

Data Files: 1 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (3 References)

NGTS 15b, 16b, 17b and 18b: four hot Jupiters from the Next Generation Transit Survey
Tilbrook et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoFOP TOI Table
ExoFOP

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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