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TOI-2257 Overview

TOI-2257 0.33 R⦿ 3446.00 K
TOI-2257 b
0.196 RJup
Architecture
TOI-2257
TOI-2257
TOI-2257 b
Other Data
Bibliography 3
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
TOI-2257 TOI-2257 b Transit 2021 Schanche et al. 2022 Confirmed Planet
RA
12h58m57.51s
Dec
+77d39m42.18s
Distance
57.7911+0.1053-0.1049
pc
Parallax
17.2748000±0.0312343 mas
Ecliptic Latitude
66.62342 deg
Ecliptic Longitude
121.38409 deg
Galactic Latitude
39.45894 deg
Galactic Longitude
122.41166 deg
Total Proper Motion
47.7803887±0.0560147 mas/yr
Proper Motion (RA)
-35.9925000±0.0626687 mas/yr
Proper Motion (Dec)
31.4246000±0.0458437 mas/yr
Photometry
mV
15.211±0.034
mTESS
12.9672000±0.0073679
mJ
11.470±0.018
mH
10.890±0.015
mKs
10.673±0.016
mW1
10.514±0.023
mW2
10.355±0.020
mW3
9.9720±0.0390
mW4
8.601±0.244
mGaia
14.161500±0.000437
mB
16.648±0.098
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Schanche et al. 2022 TICv8 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3430±130 3446.0±157.0 3446±157
R✶
(R⦿)
0.313±0.015 0.3269320±0.0096578 0.326932013034821±0.009657780000000
log g
(log10(cm/s2))
4.971±0.050 4.8970700±0.0028043 4.89707000±0.00280431
Metallicity
(dex)
-0.27±0.37 [Fe/H] --- ---
ρ✶
(g/cm3)
15.8±2.5 12.40821±0.28632 ---
M✶
(M⦿)
0.328+0.021-0.019
 0.3075500±0.0201328 ---
Sp. T
M3 --- ---
L✶
(log10(L⦿))
---
-1.86713+0.09433-0.12067
 ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
TOI
Transit
Source Schanche et al. 2022 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
256+61-17
 230.775225829304
S
(S⨁)
--- 0.670313151394079
P
(days)
35.189346±0.000090 35.1896444375252±0.0002239914500
Rp
(R⨁)
2.194+0.113-0.111
 2.22536959221752±0.38694382000000
Rp
(RJup)
0.1957+0.0101-0.0099
 0.198534519041283±0.034520874855285
δ
(%)
0.413+0.018-0.017
 0.452493539249194±0.035061157000000
T14
(hours)
3.846+0.057-0.051
 3.32540287554037±0.40169063000000
TC
(days)
2459007.97949+0.00108-0.00105
 2459606.202888±0.007824
b
0.374+0.098-0.137
 ---
ω
(deg)
-101.674+42.453-26.881
 ---
e
0.496+0.216-0.133
 ---
i
(deg)
89.786+0.078-0.062
 ---
Rp/R✶
0.06423+0.00142-0.00133
 ---
a
(au)
0.145±0.003 ---
Print
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
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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