GJ 740

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 740
GJ 740 b	2.38 d	> 2.96 M_⨁	Radial Velocity	2021	Toledo-Padrón et al. 2021	Confirmed Planet

GJ 740 Stellar Parameters (9 Solutions)

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RA: 18h57m59.93s

Dec: +05d54m10.32s

Distance: 11.10170±0.00605 pc

Parallax: 90.0477000±0.0489842 mas

Ecliptic Latitude: 28.51712 deg

Ecliptic Longitude: 286.4615 deg

Galactic Latitude: 1.23509 deg

Galactic Longitude: 38.93233 deg

Total Proper Motion: 1236.1557764±0.0918906 mas/yr

Proper Motion (RA): -196.3010000±0.0872309 mas/yr

Proper Motion (Dec): -1220.470000±0.092008 mas/yr

Photometry: m_V
9.22±0.10; m_TESS
7.4681900±0.0076721; m_J
6.239±0.019; m_H
5.587±0.029; m_Ks
5.357±0.021; m_Ic
7.330±0.008; m_Gaia
8.456360±0.001102; m_B
10.616±0.049

Abundances (Hypatia Catalog): [Fe/H] 0.02±0.12 dex; [Mg/H] -0.13±0.07 dex; [Si/H] -0.18±0.05 dex

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

Source	Toledo-Padrón et al. 2021	TICv8	Gaia DR2	Turnbull 2015	Wright et al. 2004	Nordstrom et al. 2004	Hawley et al. 1996	Duncan et al. 1991	Cannon & Pickering 1918
S Index	---	---	---	---	1.747±0.227	---	---	1.4996	---
T_eff (K)	3913±51	3784.0±157.0	3920.0+207.6-145.0	3789	---	---	---	---	---
L_✶ (log₁₀(L_⦿))	-1.206±0.097	-1.19496+0.08857-0.11138	-1.17445+0.00055-0.00055	-1.155 +0.385-0.368	---	---	---	---	---
R_✶ (R_⦿)	0.56±0.06	0.587853±0.017404	0.560861+0.043913-0.054993	0.61	---	---	---	---	---
M_✶ (M_⦿)	0.58±0.06	0.5780630±0.0202473	---	0.50	---	---	---	---	---
Sp. T	M1.0 V	---	---	M2V	---	---	M0.5	---	K5
Metallicity (dex)	0.080±0.160 [Fe/H]	---	---	---	---	---	---	---	---
v sin i (km/s)	0.920±0.590	---	---	---	---	0	---	---	---
log g (log₁₀(cm/s²))	4.68±0.07	4.6615100±0.0105051	---	---	---	---	---	---	---
P_rot (days)	35.563±0.071	---	---	---	---	---	---	---	---
γ (km/s)	---	---	---	---	---	9.5±0.2	---	---	---
ρ_✶ (g/cm³)	---	4.0117594±0.2161024	---	---	---	---	---	---	---

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GJ 740 b Planetary Parameters (1 Solution)

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Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Toledo-Padrón et al. 2021
T_p (days)	2454648.57+0.32-0.30 (BJD)
T_eq (K)	829+40-50
S (S_⨁)	79+16-17
ω (deg)	-41+58-48
M_p sin i (M_⨁)	2.96+0.50-0.48
M_p sin i (M_Jup)	0.00931+0.00157-0.00151
e	0.24+0.15-0.14
P (days)	2.37756+0.00013-0.00011
K (m/s)	2.13+0.34-0.32
a (au)	0.029±0.001

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Ancillary Information (1 Unique File)

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+ GJ 740 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	80	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 14 2MASS Point Source Catalog

Data Files: 4 KELT Time Series; 1 Associated Literature Data

Bibliography (15 References)

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A super-Earth on a close-in orbit around the M1V star GJ 740. A HADES and CARMENES collaboration
Toledo-Padrón 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
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 Reference Overview
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 Reference Overview
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 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
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 Reference Overview
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 Reference Overview
UBV(RI)_c photometry of faint nearby stars
Laing 1989 Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview

Legend

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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

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/GJ_740.json

Catalog Parameters

RA

ra

18h57m59.93s

Dec

dec

+05d54m10.32s

β

elat

28.51712

λ

elon

286.4615

b

glat

1.23509

l

glon

38.93233

m_V

sy_vmag

9.22±0.10

m_TESS

sy_tmag

7.4681900±0.0076721

m_J

sy_jmag

6.239±0.019

m_H

sy_hmag

5.587±0.029

m_Ks

sy_kmag

5.357±0.021

sy_kepmag

no_data

sy_w1mag

no_data

sy_w2mag

no_data

sy_w3mag

no_data

sy_w4mag

no_data

m_Ic

sy_icmag

7.330±0.008

m_Gaia

sy_gaiamag

8.456360±0.001102

m_B

sy_bmag

10.616±0.049

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

1236.1557764±0.0918906

μ_δ

sy_pmdec

-1220.470000±0.092008

μ_α

sy_pmra

-196.3010000±0.0872309

π

sy_plx

90.0477000±0.0489842

Distance

sy_dist

11.10170±0.00605

Set Parameters

R_✶

st_rad

0.560861+0.043913-0.054993

T_eff

st_teff

3920.0+207.6-145.0

GJ 740 Overview

GJ 740 Architecture & Discovery Information

GJ 740