This page summarises the information held within TEPCat for the transiting planetary system TOI-1899. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....160..147C | |
| Date of discovery paper | 2020 / 7 / 15 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 19 57 42.44 | h m s |
| Declination | +40 08 36.1 | d m s |
| Right ascension (decimal) | 299.42683 | degrees |
| Declination (decimal) | 40.14336 | degrees |
| V-band apparent magnitude | 14.29 | mag |
| K-band apparent magnitude | 10.51 | mag |
| Transit duration | 0.196 ( 4.70 ) | day hour |
| Transit depth | 4.0 | % |
| Time of mid-transit | 2458711.9592 ± 0.0011 | HJD or BJD |
| Orbital period | 29.090312 ± 0.000036 | days |
| Reference for orbital ephemeris | 2023AJ....166...90L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3926 +45 −47 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.28 ± 0.11 | dex |
| Stellar mass | 0.632 +0.026 −0.025 | Msun |
| Stellar radius | 0.607 +0.017 −0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.672 +0.021 −0.020 | c.g.s. |
| Stellar mean density | 2.82 +0.21 −0.19 ( 3.98 +0.30 −0.27 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.044 +0.029 −0.027 | |
| Orbital semimajor axis | 0.1525 +0.0065 −0.0060 | AU |
| Planetary mass | 0.67 ± 0.04 ( 212 ± 12 ) | Mjup Mearth |
| Planetary radius | 0.99 ± 0.03 ( 11.10 ± 0.34 ) | Rjup Rearth |
| Planetary surface gravity | 15.5 +1.5 −1.4 3.19 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.64 ± 0.08 ( 0.85 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 378 +8 −7 | K |
| Reference of detailed study | 2023AJ....166...90L |
TOI-1899 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)