This page summarises the information held within TEPCat for the transiting planetary system HAT-P-54. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2015AJ....149..149B | |
Date of discovery paper | 2014 / 4 / 18 | y / m / d |
Data/telescope used for discovery | HAT | |
Right ascension | 06 39 35.53 | h m s |
Declination | +25 28 57.1 | d m s |
Right ascension (decimal) | 99.89804 | degrees |
Declination (decimal) | 25.48253 | degrees |
V-band apparent magnitude | 13.51 | mag |
K-band apparent magnitude | 10.33 | mag |
Transit duration | 0.07488 ( 1.7971 ) | day hour |
Transit depth | 2.7 | % |
Time of mid-transit | 2460216.95257 ± 0.00022 | HJD or BJD |
Orbital period | 3.79985363 ± 0.00000037 | days |
Reference for orbital ephemeris | arXiv:2406.18487 |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 4390 ± 50 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.127 ± 0.080 | dex |
Stellar mass | 0.645 ± 0.020 | Msun |
Stellar radius | 0.617 ± 0.013 | Rsun |
Stellar logarithmic surface gravity | 4.667 ± 0.012 | c.g.s. |
Stellar mean density | ρsun g cm-3 | |
Orbital eccentricity | 0.0 +0.074 −0.0 | |
Orbital semimajor axis | 0.04117 ± 0.00043 | AU |
Planetary mass | 0.760 ± 0.032 ( 241 ± 10 ) | Mjup Mearth |
Planetary radius | 0.944 ± 0.028 ( 10.58 ± 0.31 ) | Rjup Rearth |
Planetary surface gravity | 21.1 ± 1.3 3.32 ± 0.03 | m/s2 log(cgs) |
Planetary mean density | 0.842 ± 0.074 ( 1.117 ± 0.098 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 818 ± 12 | K |
Reference of detailed study | 2015AJ....149..149B |
HAT-P-54 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)