This page summarises the information held within TEPCat for the transiting planetary system HAT-P-40. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2012AJ....144..139H | |
Date of discovery paper | 2012 / 7 / 16 | y / m / d |
Data/telescope used for discovery | HAT | |
Right ascension | 22 22 03.33 | h m s |
Declination | +45 27 26.6 | d m s |
Right ascension (decimal) | 335.51387 | degrees |
Declination (decimal) | 45.45739 | degrees |
V-band apparent magnitude | 11.34 | mag |
K-band apparent magnitude | 10.01 | mag |
Transit duration | 0.2557 ( 6.137 ) | day hour |
Transit depth | 0.4 | % |
Time of mid-transit | 2455813.17584 ± 0.00054 | HJD or BJD |
Orbital period | 4.457243 ± 0.000010 | days |
Reference for orbital ephemeris | 2012AJ....144..139H |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 6080 ± 100 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.22 ± 0.10 | dex |
Stellar mass | 1.512 +0.045 −0.109 | Msun |
Stellar radius | 2.206 ± 0.061 | Rsun |
Stellar logarithmic surface gravity | 3.93 ± 0.02 | c.g.s. |
Stellar mean density | ρsun g cm-3 | |
Orbital eccentricity | 0.0 | |
Orbital semimajor axis | 0.0608 +0.0006 −0.0015 | AU |
Planetary mass | 0.615 ± 0.038 ( 195 ± 12 ) | Mjup Mearth |
Planetary radius | 1.730 ± 0.062 ( 19.39 ± 0.69 ) | Rjup Rearth |
Planetary surface gravity | 5.13 ± 0.35 2.71 ± 0.03 | m/s2 log(cgs) |
Planetary mean density | 0.11 ± 0.01 ( 0.146 ± 0.013 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 1770 ± 33 | K |
Reference of detailed study | 2012AJ....144..139H |
HAT-P-40 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/01 John Southworth (Keele University, UK)