NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

TOI-178 Overview

TOI-178 0.65 R⦿ 4368.44 K
TOI-178 b
0.107 RJup
TOI-178 c
0.156 RJup
TOI-178 d
0.240 RJup
TOI-178 e
0.205 RJup
TOI-178 f
0.216 RJup
TOI-178 g
0.262 RJup
Architecture
TOI-178
TOI-178
TOI-178 b
TOI-178 c
TOI-178 d
TOI-178 e
TOI-178 f
TOI-178 g
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
TOI-178 TOI-178 b 1.91 d 1.2 R⨁ Transit 2021 Leleu et al. 2021 Confirmed Planet
TOI-178 TOI-178 c 3.24 d 1.75 R⨁ Transit 2021 Leleu et al. 2021 Confirmed Planet
TOI-178 TOI-178 d 6.56 d 2.7 R⨁ Transit 2021 Leleu et al. 2021 Confirmed Planet
TOI-178 TOI-178 e 9.96 d 2.3 R⨁ Transit 2021 Leleu et al. 2021 Confirmed Planet
TOI-178 TOI-178 f 15.23 d 2.42 R⨁ Transit 2021 Leleu et al. 2021 Confirmed Planet
TOI-178 TOI-178 g 20.72 d 2.94 R⨁ Transit 2021 Leleu et al. 2021 Confirmed Planet
TOI-178 b
  • Transit midpoint time reference frame "BJD-TBD" changed to "BJD-TDB" per authors via private communication. (Leleu et al. 2021)
TOI-178 c
  • Transit midpoint time reference frame "BJD-TBD" changed to "BJD-TDB" per authors via private communication. (Leleu et al. 2021)
TOI-178 d
  • Transit midpoint time reference frame "BJD-TBD" changed to "BJD-TDB" per authors via private communication. (Leleu et al. 2021)
TOI-178 e
  • Transit midpoint time reference frame "BJD-TBD" changed to "BJD-TDB" per authors via private communication. (Leleu et al. 2021)
TOI-178 f
  • Transit midpoint time reference frame "BJD-TBD" changed to "BJD-TDB" per authors via private communication. (Leleu et al. 2021)
TOI-178 g
  • Original TESS project candidate (TOI-178.02, 10.35-day period) confirmed by ref. to have half the period of planet. See Section 2. (Leleu et al. 2021)
  • Transit midpoint time reference frame "BJD-TBD" changed to "BJD-TDB" per authors via private communication. (Leleu et al. 2021)
RA
00h29m12.48s
Dec
-30d27m14.82s
Distance
62.6990+0.2074-0.2061
pc
Parallax
15.9205000±0.0521909 mas
Ecliptic Latitude
-30.57104 deg
Ecliptic Longitude
353.25352 deg
Galactic Latitude
-84.10376 deg
Galactic Longitude
357.28914 deg
Total Proper Motion
173.4904992±0.0669417 mas/yr
Proper Motion (RA)
149.9530000±0.0734798 mas/yr
Proper Motion (Dec)
-87.2528000±0.0420655 mas/yr
Photometry
mV
11.955±0.035
mTESS
10.4200±0.0061
mJ
9.372±0.021
mH
8.761±0.023
mKs
8.656±0.021
mW1
8.573±0.022
mW2
8.64±0.02
mW3
8.563±0.025
mW4
8.477±0.259
mGaia
11.15230±0.00089
mB
13.056±0.369
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Leleu et al. 2024 Leleu et al. 2021 TICv8 Gaia DR2 ExoFOP-TESS TOI ExoFOP-TESS TOI ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
4316±70 4316±70
4339.000+110.730-145.281
4368.44+131.86-143.91
 4111±171 4111±171 4111±171 4111±171
L✶
(log10(L⦿))
-0.866+0.031-0.033
-0.879+0.032-0.034
-0.8555986+0.0288146-0.0244998
-0.85990+0.00198-0.00195
 --- --- --- ---
γ
(km/s)
--- --- --- 57.380512617300±0.493213454111 --- --- --- ---
R✶
(R⦿)
0.662±0.010 0.651±0.011
0.6608060+0.0664513-0.0527899
0.64871+0.04495-0.03746
 0.6608060002326965±0.0596206000000000 0.701202±0.152166 0.660806000232697±0.059620600000000 0.660806000232697±0.059620600000000
Metallicity
(dex)
-0.23±0.05 [Fe/H] -0.23±0.05 [Fe/H] --- --- --- --- --- ---
v sin i
(km/s)
1.5±0.3 1.5±0.3 --- --- --- --- --- ---
Age
(Gyr)
6.00+6.80-5.00
7.10+6.10-5.30
 --- --- --- --- --- ---
ρ✶
(g/cm3)
3.14±0.20 3.31±0.24
3.3224108+1.1120498-0.9158260
 --- --- --- --- ---
M✶
(M⦿)
0.647+0.030-0.029
0.650+0.027-0.029
0.6800000+0.0857666-0.0750313
 --- --- --- --- ---
log g
(log10(cm/s2))
4.45±0.15 4.45±0.15
4.6304300+0.1115310-0.0964577
 --- 4.555280±0.449348 4.555280±0.449348 4.555280±0.449348 4.555280±0.449348
Sp. T
--- K --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
Transit
Source Leleu et al. 2024 Leleu et al. 2021
a/R✶
---
8.61+0.21-0.22
Teq
(K)
---
1040+22-21
b
0.336+0.081-0.095
0.17+0.19-0.13
Mp
(M⨁)
0.960+0.700-0.650
1.50+0.39-0.44
Mp
(MJup)
0.00302+0.00220-0.00205
0.00472+0.00123-0.00138
i
(deg)
---
88.8+0.8-1.3
P
(days)
1.9145601+0.0000044-0.0000029
 1.914558±0.000018
ρ
(g/cm3)
3.1+2.2-2.2
5.4+1.9-1.7
Rp
(R⨁)
1.200+0.041-0.037
1.152+0.073-0.070
Rp
(RJup)
0.1071+0.0037-0.0033
0.1028+0.0065-0.0062
Rp/R✶
0.01663+0.00053-0.00049
 0.01623±0.00097
K
(m/s)
---
1.05+0.25-0.30
a
(au)
--- 0.02607±0.00078
δ
(%)
0.02766+0.00178-0.00159
0.0263+0.0032-0.0030
T14
(hours)
---
1.692+0.056-0.086
TC
(days)
2458931.1793+0.0012-0.0010
(BJD)
2458741.6365+0.0043-0.0030
(BJD-TDB)
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Leleu et al. 2024 Leleu et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
---
12.23+0.29-0.31
 ---
Teq
(K)
--- 873±18 801.677938560369
b
0.394+0.039-0.042
0.34+0.30-0.23
 ---
Mp
(M⨁)
4.64+0.52-0.53
4.77+0.55-0.68
 ---
Mp
(MJup)
0.0146+0.0016-0.0017
0.0150+0.0017-0.0021
 ---
i
(deg)
---
88.4+1.1-1.6
 ---
P
(days)
3.238486+0.000012-0.000011
3.238450+0.000020-0.000019
 3.23842531547921±0.00002430697000
ρ
(g/cm3)
4.8+0.6-0.6
5.62+1.50-1.30
 ---
Rp
(R⨁)
1.754+0.032-0.040
1.669+0.114-0.099
 1.51483691446968±1.69001050000000
Rp
(RJup)
0.1565+0.0029-0.0036
0.1489+0.0102-0.0088
 0.135144930213831±0.150772897664103
Rp/R✶
0.02431+0.00038-0.00044
0.0235+0.0015-0.0013
 ---
K
(m/s)
---
2.77+0.22-0.33
 ---
a
(au)
--- 0.0370±0.0011 ---
δ
(%)
0.05908+0.00187-0.00210
0.0551+0.0068-0.0059
 0.053275806233683±0.006912007000000
T14
(hours)
---
1.95+0.15-0.25
 1.99410554881088±0.33075480000000
TC
(days)
---
2458741.4783+0.0034-0.0029
(BJD-TDB)
2458356.10751200±0.00218215
(BJD)
S
(S⨁)
--- --- 97.6159378723196
ω
(deg)
26.0+90.0-128.0
 --- ---
e
0.00032+0.00065-0.00020
 --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Leleu et al. 2024 Leleu et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
b
0.501+0.023-0.027
0.485+0.051-0.060
 ---
ω
(deg)
-146.3+20.8-15.6
 --- ---
Mp
(M⨁)
5.20+0.39-0.43
3.01+0.80-1.03
 ---
Mp
(MJup)
0.0164+0.0012-0.0014
0.00947+0.00252-0.00324
 ---
e
0.0068±0.0016 --- ---
P
(days)
6.557569+0.000065-0.000056
 6.557700±0.000016 6.5578513±0.0000106
ρ
(g/cm3)
1.46±0.13
0.9760+0.3000-0.3400
 ---
Rp
(R⨁)
2.695+0.041-0.046
2.572+0.075-0.078
 2.544740±0.244377
Rp
(RJup)
0.2404+0.0037-0.0041
0.2295+0.0067-0.0070
 0.2270269±0.0218019
Rp/R✶
0.03737+0.00035-0.00041
0.03623+0.00087-0.00091
 ---
δ
(%)
0.13964+0.00266-0.00306
0.1313+0.0064-0.0065
 0.15960000±0.00806229
a/R✶
---
19.57+0.47-0.49
 ---
Teq
(K)
--- 690±14 622
i
(deg)
---
88.58+0.20-0.18
 ---
K
(m/s)
---
1.34+0.31-0.39
 ---
a
(au)
--- 0.0592±0.0018 ---
T14
(hours)
---
2.346+0.047-0.046
 2.08±0.17
TC
(days)
---
2458747.14623+0.00087-0.00095
(BJD-TDB)
2460196.4370880±0.0018585
(BJD)
S
(S⨁)
--- --- 24.9125
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Leleu et al. 2024 Leleu et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
---
25.87+0.62-0.65
 ---
Teq
(K)
--- 600±12 551.23191876812
b
0.574+0.015-0.027
0.583+0.046-0.066
 ---
Mp
(M⨁)
3.48±0.29
3.86+1.25-0.94
 ---
Mp
(MJup)
0.0109±0.0009
0.0121+0.0039-0.0030
 ---
i
(deg)
---
88.71+0.16-0.13
 ---
P
(days)
9.96318+0.00015-0.00012
 9.961881±0.000042 9.96163468923298±0.00002270918800
ρ
(g/cm3)
1.58+0.15-0.14
1.980+0.788-0.530
 ---
Rp
(R⨁)
2.301+0.038-0.039
2.207+0.088-0.090
 2.28073266410272±0.98483580000000
Rp
(RJup)
0.2053+0.0034-0.0035
0.1969+0.0079-0.0080
 0.203473689994195±0.087861316417469
Rp/R✶
0.03191+0.00038-0.00037
0.0311+0.0011-0.0012
 ---
K
(m/s)
---
1.62+0.41-0.34
 ---
a
(au)
---
0.0783+0.0023-0.0024
 ---
δ
(%)
0.10181+0.00247-0.00235
0.09680+0.00690-0.00710
 0.108443270615972±0.009418920000000
T14
(hours)
---
2.501+0.106-0.077
 2.464805194329±0.393469960000
TC
(days)
---
2458751.4658+0.0016-0.0019
(BJD-TDB)
2458362.95419900±0.00203429
(BJD)
ω
(deg)
2.00+120.00-134.00
 --- ---
e
0.000380+0.000670-0.000250
 --- ---
S
(S⨁)
--- --- 21.820185108045
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Leleu et al. 2024 Leleu et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
b
0.734+0.015-0.014
0.765+0.027-0.031
 ---
ω
(deg)
87.30+28.50-40.10
 --- ---
Mp
(M⨁)
5.63+0.45-0.41
7.72+1.67-1.52
 ---
Mp
(MJup)
0.0177+0.0014-0.0013
0.0243+0.0053-0.0048
 ---
e
0.000450+0.000700-0.000260
 --- ---
P
(days)
15.23335+0.00024-0.00025
15.231915+0.000115-0.000095
 15.2321842764±0.0010773927
ρ
(g/cm3)
2.22+0.18-0.20
3.60+1.20-0.83
 ---
Rp
(R⨁)
2.417+0.041-0.048
2.287+0.108-0.110
 2.6196766503938473±0.6747493000000000
Rp
(RJup)
0.2156+0.0037-0.0043
0.2040+0.0096-0.0098
 0.23371229913830144±0.06019720419359809
Rp/R✶
0.03351+0.00056-0.00060
 0.0322±0.0014 ---
δ
(%)
0.11231+0.00380-0.00400
0.1037+0.0094-0.0090
 0.122853322873957±0.014237302000000
a/R✶
---
34.33+0.82-0.87
 ---
Teq
(K)
--- 521±11 225.13002605016257
i
(deg)
---
88.723+0.071-0.069
 ---
K
(m/s)
---
2.76+0.46-0.42
 ---
a
(au)
--- 0.1039±0.0031 ---
T14
(hours)
---
2.348+0.097-0.087
 2.5318137578854336±0.4786721000000000
TC
(days)
---
2458745.7178+0.0023-0.0027
(BJD-TDB)
2458364.91497700±0.00384629
(BJD)
S
(S⨁)
--- --- 0.6070922490791324
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Leleu et al. 2024 Leleu et al. 2021 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
--- 470±10 535.939786629264
S
(S⨁)
--- --- 19.4977724575681
P
(days)
20.71663+0.00031-0.00030
20.70950+0.00014-0.00011
 20.708504±0.003165
Rp
(R⨁)
2.939+0.057-0.055
2.87+0.14-0.13
 3.751004±1.518233
Rp
(RJup)
0.2622+0.0051-0.0049
0.256+0.012-0.012
 0.3346427±0.1354479
δ
(%)
0.16605+0.00418-0.00355
0.1633+0.0157-0.0139
 0.1657067907±0.0446147130
T14
(hours)
---
2.167+0.090-0.082
 2.236524±0.274134
TC
(days)
---
2458748.0302+0.0023-0.0017
(BJD-TDB)
2458354.552190±0.004083
(BJD)
a/R✶
---
42.13+1.01-1.06
 ---
b
0.8549+0.0055-0.0054
0.866+0.017-0.019
 ---
Mp
(M⨁)
4.40+0.39-0.37
3.94+1.31-1.62
 ---
Mp
(MJup)
0.0138+0.0012-0.0012
0.0124+0.0041-0.0051
 ---
i
(deg)
---
88.823+0.045-0.047
 ---
ρ
(g/cm3)
0.959±0.083
0.9150+0.3600-0.3700
 ---
Rp/R✶
0.04075+0.00051-0.00044
0.0404+0.0019-0.0018
 ---
K
(m/s)
---
1.30+0.38-0.59
 ---
a
(au)
---
0.1275+0.0038-0.0039
 ---
ω
(deg)
-44.0+120.0-63.0
 --- ---
e
0.000430+0.000650-0.000280
 --- ---
Print
Known Objects
6 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 SuperWASP Time Series
6 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
Search
Browse
Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.