This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-1278. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....162..144A | |
| Date of discovery paper | 2021 / 6 / 9 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 21 21 54.95 | h m s |
| Declination | +35 38 55.7 | d m s |
| Right ascension (decimal) | 320.47896 | degrees |
| Declination (decimal) | 35.64881 | degrees |
| V-band apparent magnitude | 13.51 | mag |
| K-band apparent magnitude | 9.74 | mag |
| Transit duration | 0.08 ( 1.9 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2458711.9595 ± 0.0013 | HJD or BJD |
| Orbital period | 14.47567 ± 0.000021 | days |
| Reference for orbital ephemeris | 2021AJ....162..144A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3799 ± 42 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.01 ± 0.28 | dex |
| Stellar mass | 0.55 ± 0.02 | Msun |
| Stellar radius | 0.573 ± 0.012 | Rsun |
| Stellar logarithmic surface gravity | 4.68 ± 0.10 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.013 ± 0.004 | |
| Orbital semimajor axis | 0.095 ± 0.001 | AU |
| Planetary mass | 18.5 ± 0.5 ( 58810 ± 1589 ) | Mjup Mearth |
| Planetary radius | 1.09 +0.24 −0.20 ( 12.2 + 2.7 − 2.2 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 14 +11 −6 ( 18.6 +14.6 − 8.0 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2021AJ....162..144A |
TOI-1278 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)