This page summarises the information held within TEPCat for the transiting planetary system GJ 3090. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...665A..91A | |
| Date of discovery paper | 2022 / 7 / 29 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 01 21 45.39 | h m s |
| Declination | −46 42 51.8 | d m s |
| Right ascension (decimal) | 20.43913 | degrees |
| Declination (decimal) | -46.71439 | degrees |
| V-band apparent magnitude | 11.40 | mag |
| K-band apparent magnitude | 7.29 | mag |
| Transit duration | 0.0539 ( 1.294 ) | day hour |
| Transit depth | 0.15 | % |
| Time of mid-transit | 2458356.15322 ± 0.00023 | HJD or BJD |
| Orbital period | 2.85310198 ± 0.00000082 | days |
| Reference for orbital ephemeris | arXiv:2601.09330 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3556 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.03 ± 0.08 | dex |
| Stellar mass | 0.519 ± 0.013 | Msun |
| Stellar radius | 0.516 ± 0.016 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 3.79 ± 0.38 ( 5.35 ± 0.54 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.25 −0.0 | |
| Orbital semimajor axis | 0.0316 ± 0.0003 | AU |
| Planetary mass | 0.0142 ± 0.0014 ( 4.51 ± 0.45 ) | Mjup Mearth |
| Planetary radius | 0.1945 ± 0.0054 ( 2.180 ± 0.061 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.81 +0.25 −0.23 ( 2.40 +0.33 −0.31 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 723 ± 13 | K |
| Reference of detailed study | arXiv:2601.09330 |
GJ 3090 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)