TOI-2018 Overview

TOI-2018 0.58 R_⦿ 4239.00 K

TOI-2018 b

0.202 R_Jup

Overview Parameters Ancillary 1 Nearby Data Bibliography 7 Legend Expand All

TOI-2018 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-2018
TOI-2018 b	7.44 d	2.27 R_⨁	Transit	2023	Dai et al. 2023	Confirmed Planet

TOI-2018 Stellar Parameters (4 Solutions)

RA: 15h19m20.99s

Dec: +29d12m28.36s

Distance: 27.9956+0.0214-0.0213
pc

Parallax: 35.6909000±0.0270449 mas

Ecliptic Latitude: 45.48364 deg

Ecliptic Longitude: 216.58387 deg

Galactic Latitude: 57.46841 deg

Galactic Longitude: 45.42617 deg

Total Proper Motion: 419.9165551±0.0352528 mas/yr

Proper Motion (RA): -141.0960000±0.0311435 mas/yr

Proper Motion (Dec): 395.5020000±0.0357419 mas/yr

Photometry: m_V
10.25±0.03; m_TESS
8.962±0.006; m_J
7.844±0.021; m_H
7.255±0.020; m_Ks
7.104±0.017; m_Gaia
9.719990±0.000271; m_B
11.426±0.000; m_g
11.0416000±0.0008938; m_i
9.2942310±0.0006562; m_r
13.3739000±0.0102557; m_u
15.7864000±0.0099138; m_z
10.051800±0.002699

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

Source	Dai et al. 2023	TICv8	Turnbull 2015	ExoFOP
T_eff (K)	4174+34-42	4218.890+146.217-179.384	4239	4218.9±162.8
L_✶ (log₁₀(L_⦿))	-1.00+0.04-0.05	-0.9562166+0.0422321-0.0328583	-1.000 +0.362-0.523	---
M_✶ (M_⦿)	0.57±0.02	0.6600000+0.0909299-0.0825786	0.55	---
R_✶ (R_⦿)	0.62±0.01	0.6225120+0.0865744-0.0666819	0.58	0.622511982917786±0.076628100000000
Sp. T	K V	---	K7	---
Metallicity (dex)	-0.58±0.18 [Fe/H]	-0.812±0.163 [M/H]	---	---
ρ_✶ (g/cm³)	3.23±0.31	3.857144+1.828883-1.336477	---	---
log g (log₁₀(cm/s²))	4.62+0.02-0.03	4.669320+0.137272-0.132139	---	4.67±0.13
v sin i (km/s)	<2	---	---	---
S Index	0.92±0.03	---	---	---
CAII LOG RHK	-4.75±0.04	---	---	---
P_rot (days)	23.5±1.0	---	---	---

TOI-2018 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Dai et al. 2023	ExoFOP
a/R_✶	21.12±0.69	---
b	0.546±0.070	---
M_p (M_⨁)	9.20±2.10	---
M_p (M_Jup)	0.0289±0.0066	---
e	0	---
i (deg)	88.52±0.22	---
P (days)	7.435583±0.000022	7.43557089552366±0.00001570285500
R_p (R_⨁)	2.268±0.069	2.27615636109907±0.64088714000000
R_p (R_Jup)	0.2023±0.0062	0.203065418883188±0.057176219421985
R_p/R_✶	0.0335±0.0010	---
K (m/s)	4.4±1.0	---
T₁₄ (hours)	2.360±0.090	2.34503210226433±0.20929360000000
T_C (days)	2458958.2580±0.0013 (BJD)	2458958.25796200±0.00072833 (BJD)
T_eq (K)	---	576.340310600305
S (S_⨁)	---	26.0757606884821
δ (%)	---	0.131068031564617±0.006553177000000

Ancillary Information (1 Unique File)

+ TOI-2018 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	198	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

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)

A Mini-Neptune Orbiting the Metal-poor K Dwarf BD+29 2654
Dai et al. 2023 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoFOP TOI Table
ExoFOP
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog 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

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
Search
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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/TOI-2018.json

TOI-2018

Catalog Parameters

15h19m20.99s

Dec

dec

+29d12m28.36s

elat

45.48364

elon

216.58387

glat

57.46841

glon

45.42617

m_V

sy_vmag

10.25±0.03

m_TESS

sy_tmag

8.962±0.006

m_J

sy_jmag

7.844±0.021

m_H

sy_hmag

7.255±0.020

m_Ks

sy_kmag

7.104±0.017

sy_kepmag

no_data

sy_w1mag

no_data

sy_w2mag

no_data

sy_w3mag

no_data

sy_w4mag

no_data

sy_icmag

no_data

m_Gaia

sy_gaiamag

9.719990±0.000271

m_B

sy_bmag

11.426±0.000

m_g

sy_gmag

11.0416000±0.0008938

m_i

sy_imag

9.2942310±0.0006562

m_r

sy_rmag

13.3739000±0.0102557

m_u

sy_umag

15.7864000±0.0099138

m_z

sy_zmag

10.051800±0.002699

sy_pm

419.9165551±0.0352528

μ_δ

sy_pmdec

395.5020000±0.0357419

μ_α

sy_pmra

-141.0960000±0.0311435

sy_plx

35.6909000±0.0270449

Distance

sy_dist

27.9956+0.0214-0.0213

Set Parameters

R_✶

st_rad

0.58

T_eff

st_teff

4239