LP 261-75 Overview
LP 261-75 A
0.31
R⦿
3138.00
K
Χ
LP 261-75 C
0.903
RJup
LP 261-75 b
- Architecture
- LP 261-75
- LP 261-75 A
- Other Data
- Bibliography 5
- Exoplanet Archive Notes 1
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| LP 261-75 A | LP 261-75 C | Transit | 2020 | TESS Project | False Positive Candidate |
| LP 261-75 A | LP 261-75 b | Imaging | 2006 | Reid & Walkowicz 2006 | Confirmed Planet |
LP 261-75 C
- Candidate planet demoted after planet mass revised >30 MJup in ref. (Brady et al. 2025)
- RA
- 09h51m04.45s
- Dec
- +35d58m06.80s
- Distance
- 33.92800±0.15965 pc
- Parallax
- 29.446400±0.137637 mas
- Ecliptic Latitude
- 21.54138 deg
- Ecliptic Longitude
- 137.39047 deg
- Galactic Latitude
- 50.92665 deg
- Galactic Longitude
- 188.35206 deg
- Total Proper Motion
- 199.295635±0.129982 mas/yr
- Proper Motion (RA)
- -100.97500±0.14154 mas/yr
- Proper Motion (Dec)
- -171.822000±0.125744 mas/yr
- Photometry
-
mV15.436±0.038
-
mTESS12.4368000±0.0074484
-
mJ10.577±0.021
-
mH9.960±0.019
-
mKs9.690±0.019
-
mW19.532±0.023
-
mW29.37±0.02
-
mW39.183±0.034
-
mW48.572
-
mGaia13.833000±0.000839
-
mB16.940±0.217
-
mg16.1996000±0.0031611
-
mi13.5432000±0.0023623
-
mr14.7270000±0.0033132
-
mu18.4992000±0.0154935
-
mz12.1537000±0.0027589
| Source |
Brady et al. 2025 |
TICv8 |
Reid & Walkowicz 2006 |
ExoFOP-TESS TOI |
Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
Age
(Gyr)
|
--- | --- | 0.150±0.050 | --- | ||
|
M✶
(M⦿)
|
0.300±0.015 | 0.2839070±0.0202027 | 0.22±0.03 | --- | ||
|
Sp. T
|
M4.5 V | --- | M4.5 V | --- | ||
|
Teff
(K)
|
3138±157 | 3138.0±157.0 | --- | 3138±157 | ||
|
v sin i
(km/s)
|
7.0±0.1 | --- | --- | --- | ||
|
R✶
(R⦿)
|
0.308±0.005 | 0.3063780±0.0091985 | --- | 0.31±0.01 | ||
|
Prot
(days)
|
2.214±0.040 | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
--- | 4.9187300±0.0048707 | --- | 4.91873000±0.00487072 | ||
|
L✶
(log10(L⦿))
|
--- |
-2.08618+0.10098-0.13181
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
--- | 13.917749±0.261597 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Imaging
- Tools
| Source |
Reid & Walkowicz 2006 |
|---|---|
|
Teq
(K)
|
1500±150 |
|
Mp
(M⨁)
|
6674+3178-1589
|
|
Mp
(MJup)
|
21+10-5
|
|
a
(au)
|
450±120 |
- Status
- False Positive Candidate
- Detected By
- Transit
| Source |
Brady et al. 2025 |
ExoFOP-TESS TOI |
|---|---|---|
|
Mp
(M⨁)
|
21422±667 | --- |
|
Mp
(MJup)
|
67.4±2.1 | --- |
|
e
|
<0.007 | --- |
|
P
(days)
|
1.88172235+0.00000009-0.00000010
|
1.8817191±0.0000009 |
|
Rp
(R⨁)
|
10.1+0.2-0.2
|
10.969800±0.330624 |
|
Rp
(RJup)
|
0.903+0.015-0.014
|
0.97866169±0.02949635 |
|
λ
(deg)
|
4.80+11.30-10.20
|
--- |
|
ψ
(deg)
|
14.0+7.8-6.7
|
--- |
|
Teq
(K)
|
--- | 606 |
|
S
(S⨁)
|
--- | 22.5072 |
|
δ
(%)
|
--- | 9.9270000000±0.0000740199 |
|
T14
(hours)
|
--- | 1.236 |
|
TC
(days)
|
--- | 2459633.1198670±0.0003654 |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 2 SuperWASP Time Series
- 1 Associated Literature Data
-
A Small Brown Dwarf in an Aligned Orbit Around a Young, Fully Convective M Star
Brady et al. 2025 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
LP 261-75/2MASSW J09510549+3558021: A Young, Wide M4.5/L6 Binary
Reid & Walkowicz 2006 | Reference Overview -
TESS Object of Interest List
TESS Project
- 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
