TOI-954 Overview

TOI-954 2.00 R_⦿ 5597.40 K

TOI-954 b

0.852 R_Jup

Overview Parameters Nearby Data Bibliography 7 Legend Expand All

TOI-954 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-954
TOI-954 b	3.68 d	9.55 R_⨁	Transit	2020	Sha et al. 2021	Confirmed Planet

TOI-954 Stellar Parameters (4 Solutions)

RA: 04h07m45.85s

Dec: -25d12m31.69s

Distance: 238.768+1.905-1.875
pc

Parallax: 4.1595100±0.0329002 mas

Ecliptic Latitude: -45.10208 deg

Ecliptic Longitude: 52.91552 deg

Galactic Latitude: -46.1886 deg

Galactic Longitude: 221.97775 deg

Total Proper Motion: 30.1826381±0.0448619 mas/yr

Proper Motion (RA): -5.7868200±0.0419702 mas/yr

Proper Motion (Dec): -29.6227000±0.0449686 mas/yr

Photometry: m_V
10.343±0.005; m_TESS
9.77919±0.00600; m_J
9.180±0.024; m_H
8.891±0.026; m_Ks
8.779±0.023; m_W1
8.740±0.024; m_W2
8.797±0.019; m_W3
8.766±0.027; m_W4
8.53; m_Gaia
10.232100±0.000223; m_B
11.153±0.063

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

Source	Sha et al. 2021	TICv8	Gaia DR2	ExoFOP
T_eff (K)	5710+53-49	5756.000+142.258-112.653	5597.4+62.3-122.5	5756.0±127.5
L_✶ (log₁₀(L_⦿))	0.535+0.029-0.030	0.5675668+0.0116343-0.0178203	0.546650+0.005306-0.005373	---
γ (km/s)	---	---	-6.886674483500±0.552006135097	---
R_✶ (R_⦿)	1.892+0.077-0.076	1.9328300+0.0988482-0.0923477	1.99528+0.09031-0.04368	1.93±0.10
Metallicity (dex)	0.215+0.050-0.051 [Fe/H]	---	---	---
v sin i (km/s)	5.6±0.5	---	---	---
Age (Gyr)	6.14±0.30	---	---	---
ρ_✶ (g/cm³)	0.249+0.025-0.021	0.2011033+0.0389101-0.0419134	---	---
M_✶ (M_⦿)	1.201+0.066-0.064	1.030000+0.148157-0.104621	---	---
log g (log₁₀(cm/s²))	3.962+0.026-0.024	3.8785200+0.0734872-0.0761480	---	3.88±0.07

TOI-954 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Sha et al. 2021	Patel & Espinoza 2022	ExoFOP
T_eq (K)	1526+123-164	---	1659
S (S_⨁)	1393+66-62	---	1260.27
P (days)	3.6849729+0.0000027-0.0000028	3.6849729+0.0000026-0.0000024	3.68497±0.00001
R_p (R_⨁)	9.55+0.59-0.69	---	9.055430±0.475878
R_p (R_Jup)	0.852+0.053-0.062	---	0.8078727±0.0424551
δ (%)	---	---	0.2070000000±0.0000572102
T₁₄ (hours)	5.09+0.93-0.37	---	4.536±0.486
T_C (days)	2458411.90651+0.00084-0.00078 (BJD)	2459156.27005±0.00054 (BJD)	2459167.32483±0.00093 (BJD)
a/R_✶	5.63+0.18-0.17	6.70+0.37-0.63	---
b	0.56+0.04-0.24	0.360+0.180-0.200	---
ω (deg)	276+9-174	---	---
M_p (M_⨁)	55.3+5.7-5.4	---	---
M_p (M_Jup)	0.174+0.018-0.017	---	---
M_p sin i (M_⨁)	55.3+5.7-5.4	---	---
M_p sin i (M_Jup)	0.174+0.018-0.017	---	---
e	0.14+0.18-0.11	---	---
i (deg)	84.4+2.5-0.6	---	---
ρ (g/cm³)	0.35+0.10-0.07	---	---
R_p/R_✶	0.0462+0.0019-0.0023	0.0461+0.0011-0.0008	---
K (m/s)	20.7+2.0-1.9	---	---
a (au)	0.04963+0.00089-0.00090	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

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

Bibliography (7 References)

Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 Reference Overview
TOI-954 b and K2-329 b: Short-period Saturn-mass Planets that Test whether Irradiation Leads to Inflation
Sha et al. 2021 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

Legend

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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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/7/TOI-954.json

TOI-954

Catalog Parameters

04h07m45.85s

Dec

dec

-25d12m31.69s

elat

-45.10208

elon

52.91552

glat

-46.1886

glon

221.97775

m_V

sy_vmag

10.343±0.005

m_TESS

sy_tmag

9.77919±0.00600

m_J

sy_jmag

9.180±0.024

m_H

sy_hmag

8.891±0.026

m_Ks

sy_kmag

8.779±0.023

sy_kepmag

no_data

m_W1

sy_w1mag

8.740±0.024

m_W2

sy_w2mag

8.797±0.019

m_W3

sy_w3mag

8.766±0.027

m_W4

sy_w4mag

8.53

sy_icmag

no_data

m_Gaia

sy_gaiamag

10.232100±0.000223

m_B

sy_bmag

11.153±0.063

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

30.1826381±0.0448619

μ_δ

sy_pmdec

-29.6227000±0.0449686

μ_α

sy_pmra

-5.7868200±0.0419702

sy_plx

4.1595100±0.0329002

Distance

sy_dist

238.768+1.905-1.875

Set Parameters

R_✶

st_rad

1.99528+0.09031-0.04368

T_eff

st_teff

5597.4+62.3-122.5