This page summarises the information held within TEPCat for the transiting planetary system HAT-P-44. 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 | 14 12 34.56 | h m s |
| Declination | +47 00 52.9 | d m s |
| Right ascension (decimal) | 213.14400 | degrees |
| Declination (decimal) | 47.01469 | degrees |
| V-band apparent magnitude | 13.21 | mag |
| K-band apparent magnitude | 11.28 | mag |
| Transit duration | 0.1302 ( 3.125 ) | day hour |
| Transit depth | 2.1 | % |
| Time of mid-transit | 2456204.47794 ± 0.00019 | HJD or BJD |
| Orbital period | 4.3011886 ± 0.0000010 | days |
| Reference for orbital ephemeris | 2019A+A...622A..81M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5295 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.33 ± 0.10 | dex |
| Stellar mass | 0.942 ± 0.041 | Msun |
| Stellar radius | 0.949 +0.080 −0.037 | Rsun |
| Stellar logarithmic surface gravity | 4.46 ± 0.06 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.044 ± 0.052 | |
| Orbital semimajor axis | 0.0507 ± 0.0007 | AU |
| Planetary mass | 0.352 ± 0.029 ( 111.90 ± 9.22 ) | Mjup Mearth |
| Planetary radius | 1.242 +0.106 −0.061 ( 13.92 + 1.19 − 0.68 ) | Rjup Rearth |
| Planetary surface gravity | 5.62 +0.69 −0.84 2.75 +0.05 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.17 ± 0.03 ( 0.226 ± 0.040 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1108 +51 −32 | K |
| Reference of detailed study | 2014AJ....147..128H |
HAT-P-44 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)