This page summarises the information held within TEPCat for the transiting brown dwarf system HIP 61637. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2608.03094 | |
| Date of discovery paper | 2026 / 8 / 5 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 38 04.38 | h m s |
| Declination | +03 16 56.6 | d m s |
| Right ascension (decimal) | 189.51825 | degrees |
| Declination (decimal) | 3.28239 | degrees |
| V-band apparent magnitude | 6.33 | mag |
| K-band apparent magnitude | 6.23 | mag |
| Transit duration | 0.4127 ( 9.905 ) | day hour |
| Transit depth | 0.7 | % |
| Time of mid-transit | 2459463.56421 ± 0.00049 | HJD or BJD |
| Orbital period | 6.829104 ± 0.000011 | days |
| Reference for orbital ephemeris | arXiv:2608.03094 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 9180 +240 −230 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.04 +0.12 −0.11 | dex |
| Stellar mass | 2.86 +0.12 −0.11 | Msun |
| Stellar radius | 4.33 +0.17 −0.13 | Rsun |
| Stellar logarithmic surface gravity | 3.622 +0.028 −0.033 | c.g.s. |
| Stellar mean density | 0.0354 +0.0033 −0.0030 ( 0.0499 +0.0047 −0.0042 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.054 ± 0.013 | |
| Orbital semimajor axis | 0.1005 +0.0014 −0.0013 | AU |
| Planetary mass | 47.8 +1.5 −1.4 ( 151951 +4768 −4450 ) | Mjup Mearth |
| Planetary radius | 1.149 +0.049 −0.038 ( 12.88 + 0.55 − 0.43 ) | Rjup Rearth |
| Planetary surface gravity | 897 +62 −71 4.95 +0.03 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 29.5 +3.0 −3.4 ( 39.1 + 4.0 − 4.5 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2908 +60 −54 | K |
| Reference of detailed study | arXiv:2608.03094 |
HIP 61637 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/08/12 John Southworth (Keele University, UK)