GJ 3988 Overview

GJ 3988 0.22 R_⦿ 3103.00 K

GJ 3988 b

Overview Parameters Nearby Data Bibliography 2 Legend Expand All

GJ 3988 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 3988
GJ 3988 b	6.94 d	> 3.69 M_⨁	Radial Velocity	2023	Gorrini et al. 2023	Confirmed Planet

GJ 3988 Stellar Parameters (2 Solutions)

RA: 17h03m24.09s

Dec: +51d24m32.33s

Distance: 9.91050±0.00416 pc

Parallax: 100.8740000±0.0420329 mas

Ecliptic Latitude: 73.27745 deg

Ecliptic Longitude: 237.99548 deg

Galactic Latitude: 37.48188 deg

Galactic Longitude: 78.48019 deg

Total Proper Motion: 622.7159120±0.0905780 mas/yr

Proper Motion (RA): 124.5750000±0.0814924 mas/yr

Proper Motion (Dec): 610.1280000±0.0909371 mas/yr

Photometry: m_V
13.627±0.098; m_TESS
10.5929000±0.0073661; m_J
8.768±0.027; m_H
8.193±0.018; m_Ks
7.921±0.021; m_Gaia
11.992500±0.000555; m_B
15.348±0.098

Abundances (Hypatia Catalog): [Fe/H] 0.13±0.18 dex; [Na/H] 0.13±0.04 dex; [Mg/H] 0.04±0.28 dex; [Si/H] -0.14±0.05 dex; [Ca/H] 0.21±0.06 dex

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

Source	Gorrini et al. 2023	TICv8
T_eff (K)	3273±101	3103.0±157.0
L_✶ (log₁₀(L_⦿))	-2.395+0.002-0.002	-2.4104+0.1018-0.1332
ρ_✶ (g/cm³)	---	25.953069±0.488120
M_✶ (M_⦿)	0.1842±0.0153	0.1847660±0.0200833
R_✶ (R_⦿)	0.19734±0.01219	0.2157080±0.0064861
log g (log₁₀(cm/s²))	4.92±0.14	5.0369600±0.0212679
Metallicity (dex)	-0.12±0.17 [Fe/H]	---
γ (km/s)	37.17±0.30	---
v sin i (km/s)	<2	---
Sp. T	M4.5 V	---
P_rot (days)	116±3	---

GJ 3988 b Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Gorrini et al. 2023
T_p (days)	2457509.78+0.26-0.25 (BJD)
T_eq (K)	348+17-16
S (S_⨁)	2.45+0.15-0.13
ω (deg)	0
M_p sin i (M_⨁)	3.69+0.42-0.41
M_p sin i (M_Jup)	0.0116+0.0013-0.0013
e	0
P (days)	6.9442±0.0010
K (m/s)	3.83±0.37
a (au)	0.0405+0.0011-0.0012

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 (2 References)

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_2.0/39/GJ_3988.json

GJ 3988

Catalog Parameters

17h03m24.09s

Dec

dec

+51d24m32.33s

elat

73.27745

elon

237.99548

glat

37.48188

glon

78.48019

m_V

sy_vmag

13.627±0.098

m_TESS

sy_tmag

10.5929000±0.0073661

m_J

sy_jmag

8.768±0.027

m_H

sy_hmag

8.193±0.018

m_Ks

sy_kmag

7.921±0.021

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

11.992500±0.000555

m_B

sy_bmag

15.348±0.098

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

622.7159120±0.0905780

μ_δ

sy_pmdec

610.1280000±0.0909371

μ_α

sy_pmra

124.5750000±0.0814924

sy_plx

100.8740000±0.0420329

Distance

sy_dist

9.91050±0.00416

Set Parameters

R_✶

st_rad

0.2157080±0.0064861

T_eff

st_teff

3103.0±157.0