This page summarises the information held within TEPCat for the transiting planetary system HAT-P-46. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014AJ....147..128H | |
| Date of discovery paper | 2013 / 8 / 14 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 18 01 46.56 | h m s |
| Declination | −02 58 15.4 | d m s |
| Right ascension (decimal) | 270.44400 | degrees |
| Declination (decimal) | -2.97094 | degrees |
| V-band apparent magnitude | 11.94 | mag |
| K-band apparent magnitude | 9.93 | mag |
| Transit duration | 0.1291 ( 3.098 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2455969.12547 ± 0.00044 | HJD or BJD |
| Orbital period | 4.4631365 ± 0.0000050 | days |
| Reference for orbital ephemeris | 2019A+A...622A..81M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6120 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.30 ± 0.10 | dex |
| Stellar mass | 1.284 ± 0.095 | Msun |
| Stellar radius | 1.396 +0.293 −0.136 | Rsun |
| Stellar logarithmic surface gravity | 4.25 ± 0.11 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.123 ± 0.120 | |
| Orbital semimajor axis | 0.0577 +0.0014 −0.0009 | AU |
| Planetary mass | 0.493 +0.082 −0.052 ( 156 +26 −16 ) | Mjup Mearth |
| Planetary radius | 1.284 +0.271 −0.133 ( 14.4 + 3.0 − 1.5 ) | Rjup Rearth |
| Planetary surface gravity | 7.3 +1.9 −1.5 2.86 +0.10 −0.10 | m/s2 log(cgs) |
| Planetary mean density | 0.21 ± 0.08 ( 0.28 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1458 +140 −75 | K |
| Reference of detailed study | 2014AJ....147..128H |
HAT-P-46 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)