This page summarises the information held within TEPCat for the transiting planetary system Qatar-3. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017AJ....153..200A | |
| Date of discovery paper | 2017 / 4 / 10 | y / m / d |
| Data/telescope used for discovery | Qatar | |
| Right ascension | 23 56 36.48 | h m s |
| Declination | +36 12 46.6 | d m s |
| Right ascension (decimal) | 359.15200 | degrees |
| Declination (decimal) | 36.21294 | degrees |
| V-band apparent magnitude | 12.88 | mag |
| K-band apparent magnitude | 11.22 | mag |
| Transit duration | 0.1296 ( 3.110 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2457312.48458 ± 0.00010 | HJD or BJD |
| Orbital period | 2.5078952 ± 0.0000032 | days |
| Reference for orbital ephemeris | 2019A+A...622A..81M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6009 ± 52 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.04 ± 0.08 | dex |
| Stellar mass | 1.145 ± 0.064 | Msun |
| Stellar radius | 1.272 ± 0.14 | Rsun |
| Stellar logarithmic surface gravity | 4.286 ± 0.079 | c.g.s. |
| Stellar mean density | 0.55 ± 0.14 ( 0.78 ± 0.20 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03783 ± 0.00069 | AU |
| Planetary mass | 4.31 ± 0.47 ( 13701 ± 1494 ) | Mjup Mearth |
| Planetary radius | 1.096 ± 0.14 ( 12.3 ± 1.6 ) | Rjup Rearth |
| Planetary surface gravity | 87 +23 −18 3.9 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 3.0 ± 0.9 ( 4.0 ± 1.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1681 ± 84 | K |
| Reference of detailed study | 2017AJ....153..200A |
Qatar-3 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)