Discovery
Transit
Host star HR 858 • 2.00 R⊕ • 3.59 d orbit
Records
3
archive rows
Discovery
—
Transit
Radius
2.00 R⊕
median non-null value
Mass
3.55 M⊕
median non-null value
HR 858
1552 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: 2.00 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HR 858 b
2.00 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 | 3.59 day | 1.77 Rearth | — | 1404 K | ExoFOP |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.59 day | 2.08 Rearth | — | 1572 K | Vanderburg et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.59 day | 2.00 Rearth | 3.55 Mearth | 1552 K | Bonfanti et al. 2025 |