Discovery
Transit
Host star HR 858 • 1.98 R⊕ • 5.97 d orbit
Records
3
archive rows
Discovery
—
Transit
Radius
1.98 R⊕
median non-null value
Mass
3.80 M⊕
median non-null value
HR 858
1309 K equilibrium
Quick Summary
This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.
Scale Comparison
Current adopted radius: 1.98 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HR 858 c
1.98 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
3
Refs
3
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.97 day | 1.98 Rearth | 3.80 Mearth | 1309 K | Bonfanti et al. 2025 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.97 day | 1.94 Rearth | — | 1326 K | Vanderburg et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.97 day | 2.39 Rearth | — | 1198.7 K | ExoFOP |