TOI-2257 Overview

TOI-2257 0.33 R⦿ 3446.00 K
TOI-2257 b
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. 2021 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
121.38796 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
Source Schanche et al. 2021 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 0.326932±0.00965778
log g
(log10(cm/s2))
4.971±0.050 4.8970700±0.0028043 4.89707±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
---
Status
Confirmed Planet
Detected By
Transit
Source Schanche et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
256+61-17
134.959099521276
S
(S)
--- 0.0784024599404784
P
(days)
35.189346±0.000090 175.944589743013±0.0066413777
Rp
(R)
2.194+0.113-0.111
2.35560463977887±0.53776807
δ
(%)
0.413+0.018-0.017
0.5133814681+0.0540406740-0.0540406740
T14
(hours)
3.846+0.057-0.051
3.64836962316339±0.5778452
TC
(days)
2459007.97949+0.00108-0.00105
2458691.275171±0.0051414864
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
(RJup)
0.1957+0.0101-0.0099
---
Rp/R
0.06423+0.00142-0.00133
---
a
(au)
0.145±0.003 ---
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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