This page summarises the information held within TEPCat for the transiting planetary system HD 271181. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019MNRAS.490.1094K | |
| Date of discovery paper | 2019 / 6 / 25 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 19 04.35 | h m s |
| Declination | −71 53 43.9 | d m s |
| Right ascension (decimal) | 79.76812 | degrees |
| Declination (decimal) | -71.89553 | degrees |
| V-band apparent magnitude | 11.47 | mag |
| K-band apparent magnitude | 10.12 | mag |
| Transit duration | 0.205 ( 4.92 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2459149.7199 ± 0.0001 | HJD or BJD |
| Orbital period | 4.231115 ± 0.000001 | days |
| Reference for orbital ephemeris | 2023MNRAS.519.3723M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6495 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.22 ± 0.04 | dex |
| Stellar mass | 1.435 +0.029 −0.028 | Msun |
| Stellar radius | 1.648 +0.023 −0.025 | Rsun |
| Stellar logarithmic surface gravity | 4.33 +0.25 −0.26 | c.g.s. |
| Stellar mean density | 0.320 +0.013 −0.014 ( 0.452 +0.018 −0.020 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.091 −0.0 | |
| Orbital semimajor axis | 0.0580 ± 0.0014 | AU |
| Planetary mass | 1.22 ± 0.12 ( 387 ± 38 ) | Mjup Mearth |
| Planetary radius | 1.489 ± 0.034 ( 16.69 ± 0.38 ) | Rjup Rearth |
| Planetary surface gravity | 14.2 ± 1.5 3.15 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.37 ± 0.04 ( 0.491 ± 0.053 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1669 +16 −14 | K |
| Reference of detailed study | 2019MNRAS.490.1094K |
HD 271181 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)