NGTS-17 Overview

NGTS-17 1.34 R_⦿ 5650.00 K

NGTS-17 b

1.240 R_Jup

Overview Notes System Parameters Nearby Data Legend

Architecture: NGTS-17; NGTS-17

Other Data: Bibliography 2; Exoplanet Archive Notes 1; Nearby Data 4

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
NGTS-17	NGTS-17 b	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 (2 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: 64.12965 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: ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	Tilbrook et al. 2021	TICv8
T_eff (K)	5650±100	5749.0+122.0-122.0
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
log g (log₁₀(cm/s²))	4.00±0.12	4.20277
Sp. T	G4 V	---
L_✶ (log₁₀(L_⦿))	---	0.2412007
ρ_✶ (g/cm³)	---	0.616308

NGTS-17 b Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Radial Velocity, Transit

Tools: Transit Prediction Service; Transit

Source	Tilbrook et al. 2021
a/R_✶	6.28+0.40-0.40
T_eq (K)	1457±50
b	0.688+0.043-0.056
S (S_⨁)	1160±250
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
ρ (g/cm³)	0.50+0.27-0.17
R_p (R_⨁)	13.9±1.2
R_p (R_Jup)	1.24±0.11
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
T_C (days)	2458442.5219±0.0009

Nearby Data (4 Data Types within 30 arcseconds)

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

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

Bibliography (2 References)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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