This page summarises the information held within TEPCat for the transiting brown dwarf system HIP 33609. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023AJ....165..268V | |
| Date of discovery paper | 2023 / 1 / 25 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 06 58 59.97 | h m s |
| Declination | −47 01 24.1 | d m s |
| Right ascension (decimal) | 104.74988 | degrees |
| Declination (decimal) | -47.02336 | degrees |
| V-band apparent magnitude | 7.28 | mag |
| K-band apparent magnitude | 7.28 | mag |
| Transit duration | 0.26960 ( 6.4704 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2458915.98404 ± 0.00017 | HJD or BJD |
| Orbital period | 39.471814 ± 0.000014 | days |
| Reference for orbital ephemeris | 2023AJ....165..268V |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 10400 +800 −600 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.01 +0.19 −0.20 | dex |
| Stellar mass | 2.38 ± 0.10 | Msun |
| Stellar radius | 1.863 +0.087 −0.082 | Rsun |
| Stellar logarithmic surface gravity | 4.274 +0.042 −0.040 | c.g.s. |
| Stellar mean density | 0.368 +0.054 −0.046 ( 0.519 +0.076 −0.065 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.560 +0.029 −0.031 | |
| Orbital semimajor axis | 0.3058 +0.0042 −0.0041 | AU |
| Planetary mass | 68.0 +7.4 −7.1 ( 21617 +2352 −2257 ) | Mjup Mearth |
| Planetary radius | 1.580 +0.074 −0.070 ( 17.71 + 0.83 − 0.78 ) | Rjup Rearth |
| Planetary surface gravity | 675 +98 −90 4.83 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 16.1 +3.0 −2.6 ( 21.4 + 4.0 − 3.4 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1237 +73 −61 | K |
| Reference of detailed study | 2023AJ....165..268V |
HIP 33609 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)