Discovery
Transit
Host star HAT-P-21 • 12.42 R⊕ • 4.12 d orbit
Records
8
archive rows
Discovery
—
Transit
Radius
12.42 R⊕
median non-null value
Mass
1317.9 M⊕
median non-null value
HAT-P-21
1289 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: 12.42 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HAT-P-21 b
12.42 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
8
Refs
8
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | — | — | — | Patel & Espinoza 2022 |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | — | — | — | Kokori et al. 2023 |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | 12.42 Rearth | — | 1289 K | ExoFOP |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | 12.44 Rearth | 1547.8 Mearth | — | Stassun et al. 2017 |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | 12.67 Rearth | 1344.4 Mearth | 1367 K | Mancini et al. 2022 |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | 11.48 Rearth | 1291.3 Mearth | 1283 K | Bakos et al. 2010 |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | 11.48 Rearth | 1261.8 Mearth | — | Bonomo et al. 2017 |
| 2010 | Transit | HATNet | Canon 200mm f/1.8L | 4.12 day | — | — | — | Ivshina & Winn 2022 |