This page summarises the information held within TEPCat for the transiting planetary system HD 148193. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2402.07893 | |
| Date of discovery paper | 2024 / 12 / 12 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 16 23 37.97 | h m s |
| Declination | +54 41 24.3 | d m s |
| Right ascension (decimal) | 245.90821 | degrees |
| Declination (decimal) | 54.69008 | degrees |
| V-band apparent magnitude | 9.77 | mag |
| K-band apparent magnitude | 8.53 | mag |
| Transit duration | 0.2772 ( 6.653 ) | day hour |
| Transit depth | 0.22 | % |
| Time of mid-transit | 2459646.49351 ± 0.00042 | HJD or BJD |
| Orbital period | 20.380799 ± 0.000016 | days |
| Reference for orbital ephemeris | 2025A+A...694A..36H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6369 +35 −69 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.098 +0.024 −0.047 | dex |
| Stellar mass | 1.29 ± 0.08 | Msun |
| Stellar radius | 1.611 ± 0.036 | Rsun |
| Stellar logarithmic surface gravity | 4.35 +0.04 −0.11 | c.g.s. |
| Stellar mean density | 0.333 +0.043 −0.038 ( 0.470 +0.061 −0.054 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.1597 +0.0031 −0.0032 | AU |
| Planetary mass | 0.121 ± 0.029 ( 38.5 ± 9.2 ) | Mjup Mearth |
| Planetary radius | 0.714 ± 0.031 ( 8.00 ± 0.35 ) | Rjup Rearth |
| Planetary surface gravity | 5.9 +1.5 −1.4 2.77 +0.10 −0.12 | m/s2 log(cgs) |
| Planetary mean density | 0.309 +0.090 −0.083 ( 0.41 +0.12 −0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 966 +31 −30 | K |
| Reference of detailed study | 2025A+A...694A..36H |
HD 148193 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)