Discovery
Transit
Host star KELT-21 • 18.57 R⊕ • 3.61 d orbit
Records
4
archive rows
Discovery
—
Transit
Radius
18.57 R⊕
median non-null value
Mass
1242.7 M⊕
median non-null value
KELT-21
2197.5 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.
Host Star
KELT-21
Discovery
Transit
Year
2018
Period
3.61 day
Radius
17.78 Rearth
Mass
1242.7 Mearth
Eq. Temp
2051 K
Scale Comparison
Current adopted radius: 18.57 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
KELT-21 b
18.57 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
4
Refs
4
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Transit | KELT-North | Mamiya 645 80mm f/1.9 | 3.61 day | 17.78 Rearth | 1242.7 Mearth | 2051 K | Johnson et al. 2018 |
| 2018 | Transit | KELT-North | Mamiya 645 80mm f/1.9 | 3.61 day | — | — | — | Ivshina & Winn 2022 |
| 2018 | Transit | KELT-North | Mamiya 645 80mm f/1.9 | 3.61 day | — | — | — | Kokori et al. 2023 |
| 2018 | Transit | KELT-North | Mamiya 645 80mm f/1.9 | 3.61 day | 19.37 Rearth | — | 2344 K | ExoFOP |