This page summarises the information held within TEPCat for the transiting brown dwarf system LP 261-75. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156..140I | |
| Date of discovery paper | 2010 / 8 / 10 | y / m / d |
| Data/telescope used for discovery | Mearth | |
| Right ascension | 06 51 04.58 | h m s |
| Declination | +35 8 09.46 | d m s |
| Right ascension (decimal) | 102.76908 | degrees |
| Declination (decimal) | 35.13596 | degrees |
| V-band apparent magnitude | 15.44 | mag |
| K-band apparent magnitude | 9.69 | mag |
| Transit duration | 0.045 ( 1.08 ) | day hour |
| Transit depth | 10 | % |
| Time of mid-transit | 2458159.731511 ± 0.000020 | HJD or BJD |
| Orbital period | 1.88172235 ± 0.00000010 | days |
| Reference for orbital ephemeris | 2025AJ....169...64B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3138 ± 157 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.300 ± 0.015 | Msun |
| Stellar radius | 0.308 ± 0.005 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 +0.007 −0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 67.4 ± 2.1 ( 214258 ± 6676 ) | Mjup Mearth |
| Planetary radius | 0.903 +0.015 −0.014 ( 10.12 + 0.17 − 0.16 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2025AJ....169...64B |
| Reference | λ (degrees) |
|---|---|
| Brady et al. (2025) | 5 + 11 - 10 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)