This page summarises the information held within TEPCat for the transiting planetary system V1298 Tau b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....158...79D | |
| Date of discovery paper | 2019 / 2 / 27 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 04 05 19.59 | h m s |
| Declination | +20 09 25.6 | d m s |
| Right ascension (decimal) | 61.33163 | degrees |
| Declination (decimal) | 20.15711 | degrees |
| V-band apparent magnitude | 10.12 | mag |
| K-band apparent magnitude | 8.09 | mag |
| Transit duration | 0.2728 ( 6.547 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2457067.0481 ± 0.0012 | HJD or BJD |
| Orbital period | 24.140410 ± 0.000022 | days |
| Reference for orbital ephemeris | 2023AJ....165..250S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5050 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.10 ± 0.15 | dex |
| Stellar mass | 1.157 +0.057 −0.058 | Msun |
| Stellar radius | 1.355 +0.032 −0.030 | Rsun |
| Stellar logarithmic surface gravity | 4.246 ± 0.034 | c.g.s. |
| Stellar mean density | 0.494 ± 0.053 ( 0.697 ± 0.075 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.087 +0.216 −0.062 | |
| Orbital semimajor axis | 0.1716 +0.0028 −0.0029 | AU |
| Planetary mass | 0.0 +0.50 −0.0 ( 0 +158 −0 ) | Mjup Mearth |
| Planetary radius | 0.888 +0.033 −0.031 ( 9.95 +0.37 −0.35 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 685 ± 15 | K |
| Reference of detailed study | 2023AJ....165..250S |
| Reference | λ (degrees) |
|---|---|
| Gaidos et al. (2022) LPVs | 2 + 12 - 4 |
| Gaidos et al. (2022) RV | 15 + 15 - 16 |
| Johnston et al. (2021) | 4 + 7 - 10 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)