This page summarises the information held within TEPCat for the transiting planetary system HATS-40. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.477.3406B | |
| Date of discovery paper | 2018 / 4 / 6 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 06 42 17.10 | h m s |
| Declination | −29 46 36.5 | d m s |
| Right ascension (decimal) | 100.57125 | degrees |
| Declination (decimal) | -29.77681 | degrees |
| V-band apparent magnitude | 13.38 | mag |
| K-band apparent magnitude | 12.15 | mag |
| Transit duration | 0.2221 ( 5.330 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2456962.6760 ± 0.0010 | HJD or BJD |
| Orbital period | 3.2642736 ± 0.0000058 | days |
| Reference for orbital ephemeris | 2018MNRAS.477.3406B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6460 ± 130 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.010 ± 0.077 | dex |
| Stellar mass | 1.561 ± 0.069 | Msun |
| Stellar radius | 2.26 +0.18 −0.11 | Rsun |
| Stellar logarithmic surface gravity | 3.921 ± 0.041 | c.g.s. |
| Stellar mean density | 0.134 ± 0.019 ( 0.189 ± 0.027 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.312 −0.0 | |
| Orbital semimajor axis | 0.04997 ± 0.00074 | AU |
| Planetary mass | 1.59 ± 0.24 ( 505 ± 76 ) | Mjup Mearth |
| Planetary radius | 1.58 +0.16 −0.20 ( 17.7 + 1.8 − 2.2 ) | Rjup Rearth |
| Planetary surface gravity | 15.5 +3.6 −2.9 3.19 +0.09 −0.09 | m/s2 log(cgs) |
| Planetary mean density | 0.37 ± 0.10 ( 0.49 ± 0.13 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2101 ± 69 | K |
| Reference of detailed study | 2018MNRAS.477.3406B |
HATS-40 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)