This page summarises the information held within TEPCat for the transiting planetary system WASP-44. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012MNRAS.422.1988A | |
| Date of discovery paper | 2011 / 5 / 17 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 00 15 36.76 | h m s |
| Declination | −11 56 17.4 | d m s |
| Right ascension (decimal) | 3.90317 | degrees |
| Declination (decimal) | -11.93817 | degrees |
| V-band apparent magnitude | 12.88 | mag |
| K-band apparent magnitude | 11.34 | mag |
| Transit duration | 0.0936 ( 2.246 ) | day hour |
| Transit depth | 1.6 | % |
| Time of mid-transit | 2458398.69812 ± 0.00013 | HJD or BJD |
| Orbital period | 2.42381131 ± 0.00000013 | days |
| Reference for orbital ephemeris | 2024MNRAS.530.2475Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5400 ± 150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.06 ± 0.10 | dex |
| Stellar mass | 0.917 ± 0.092 | Msun |
| Stellar radius | 0.865 ± 0.038 | Rsun |
| Stellar logarithmic surface gravity | 4.526 ± 0.020 | c.g.s. |
| Stellar mean density | 1.414 ± 0.058 ( 1.995 ± 0.082 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03445 ± 0.00112 | AU |
| Planetary mass | 0.869 ± 0.081 ( 276 ± 25 ) | Mjup Mearth |
| Planetary radius | 1.002 ± 0.038 ( 11.23 ± 0.43 ) | Rjup Rearth |
| Planetary surface gravity | 21.5 ± 1.6 3.33 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.808 ± 0.074 ( 1.072 ± 0.098 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1304 ± 37 | K |
| Reference of detailed study | 2013MNRAS.430.2932M |
WASP-44 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)