WASP-155 Overview

WASP-155 1.22 R_⦿ 5660.49 K

WASP-155 b

1.200 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

WASP-155 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
WASP-155
WASP-155 b	3.11 d	13.45 R_⨁	Transit	2025	Schanche et al. 2025	Confirmed Planet

WASP-155 Stellar Parameters (3 Solutions)

RA: 23h11m55.13s

Dec: +33d02m51.41s

Distance: 399.630+4.943-4.825
pc

Parallax: 2.4737600±0.0303472 mas

Ecliptic Latitude: 34.73446 deg

Ecliptic Longitude: 3.95667 deg

Galactic Latitude: -25.34735 deg

Galactic Longitude: 99.96388 deg

Total Proper Motion: 33.7923138±0.0480229 mas/yr

Proper Motion (RA): 18.7051000±0.0564329 mas/yr

Proper Motion (Dec): -28.1432000±0.0437965 mas/yr

Photometry: m_V
12.365±0.033; m_TESS
12.0052±0.0089; m_J
11.277±0.026; m_H
10.907±0.030; m_Ks
10.860±0.026; m_W1
10.625±0.024; m_W2
10.690±0.022; m_W3
10.761±0.103; m_W4
8.952±0.435; m_Gaia
12.496200±0.000257; m_B
12.896±0.479; m_g
13.2829000±0.0024509; m_i
14.0651000±0.0090847; m_r
14.0669000±0.0087916; m_u
14.5582000±0.0034898; m_z
12.3815000±0.0029715

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

Source	Schanche et al. 2025	TICv8	ExoFOP
T_eff (K)	5660±100	5660.490+133.470-149.868	5660.5±141.7
L_✶ (log₁₀(L_⦿))	---	0.14141810+0.01457435-0.02163949	---
Metallicity (dex)	0±0 [Fe/H]	0.132779±0.017299 [M/H]	---
ρ_✶ (g/cm³)	0.803+0.014-0.011	0.777188+0.219851-0.150667	---
M_✶ (M_⦿)	1.09±0.07	1.010000+0.141100-0.120914	---
R_✶ (R_⦿)	1.240±0.060	1.2236400+0.0527005-0.0870784	1.22±0.07
log g (log₁₀(cm/s²))	4.3±0.5	4.2670800+0.1057930-0.0654699	4.27±0.09
Age (Gyr)	1.7±0.8	---	---

WASP-155 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Schanche et al. 2025	ExoFOP
T_eq (K)	1468±76	1522
S (S_⨁)	771±119	891.85
P (days)	3.110413±0.000001	3.1106751±0.0002699
R_p (R_⨁)	13.5±0.7	13.418500±0.806434
R_p (R_Jup)	1.20±0.06	1.1971204±0.0719453
δ (%)	0.99400+0.13930-0.13880	1.0899000±0.0371651
T₁₄ (hours)	---	3.129±0.784
T_C (days)	2459852.08494±0.00041 (BJD)	2459852.0864440±0.0013463 (BJD)
a/R_✶	7.43±0.04	---
b	0.43±0.02	---
M_p (M_⨁)	276.8±57.2	---
M_p (M_Jup)	0.8710±0.1800	---
e	0	---
i (deg)	86.70±0.29	---
ρ (g/cm³)	0.62±0.17	---
R_p/R_✶	0.09970+0.00150-0.00140	---
K (m/s)	114.29+2.50-2.53	---
a (au)	0.043±0.002	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

Known Objects: 1 Confirmed Planets; 3 2MASS Point Source Catalog

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

Bibliography (3 References)

A Swarm of WASP Planets: Nine Giant Planets Identified by the WASP Survey
Schanche et al. 2025 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoFOP TOI Table
ExoFOP

Legend

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

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/39/WASP-155.json

WASP-155

Catalog Parameters

23h11m55.13s

Dec

dec

+33d02m51.41s

elat

34.73446

elon

3.95667

glat

-25.34735

glon

99.96388

m_V

sy_vmag

12.365±0.033

m_TESS

sy_tmag

12.0052±0.0089

m_J

sy_jmag

11.277±0.026

m_H

sy_hmag

10.907±0.030

m_Ks

sy_kmag

10.860±0.026

sy_kepmag

no_data

m_W1

sy_w1mag

10.625±0.024

m_W2

sy_w2mag

10.690±0.022

m_W3

sy_w3mag

10.761±0.103

m_W4

sy_w4mag

8.952±0.435

sy_icmag

no_data

m_Gaia

sy_gaiamag

12.496200±0.000257

m_B

sy_bmag

12.896±0.479

m_g

sy_gmag

13.2829000±0.0024509

m_i

sy_imag

14.0651000±0.0090847

m_r

sy_rmag

14.0669000±0.0087916

m_u

sy_umag

14.5582000±0.0034898

m_z

sy_zmag

12.3815000±0.0029715

sy_pm

33.7923138±0.0480229

μ_δ

sy_pmdec

-28.1432000±0.0437965

μ_α

sy_pmra

18.7051000±0.0564329

sy_plx

2.4737600±0.0303472

Distance

sy_dist

399.630+4.943-4.825

Set Parameters

R_✶

st_rad

1.2236400+0.0527005-0.0870784

T_eff

st_teff

5660.490+133.470-149.868