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ExoplanetDetail

HD 1397 b

Host star HD 1397 • 11.50 R⊕ • 11.54 d orbit

Records

4

archive rows

Discovery

Transit

Radius

11.50 R⊕

median non-null value

Mass

124.3 M⊕

median non-null value

HD 1397

1373.7 K equilibrium

Quick Summary

Fast scan of the current planet profile

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

HD 1397

Discovery

Transit

Year

2018

Period

11.54 day

Radius

11.50 Rearth

Mass

131.9 Mearth

Eq. Temp

1228.3 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 11.50 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

HD 1397 b

11.50 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

4

Refs

4

Methods

1

Discoverystable

4 values • 1 distinct

Facilitystable

4 values • 1 distinct

Periodstable

4 values • 1 distinct

Radiusdisputed

3 values • 3 distinct

Massdisputed

2 values • 2 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2018TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope11.54 day11.50 Rearth131.9 Mearth1228.3 KNielsen et al. 2019
2018TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope11.54 day12.22 RearthExoFOP
2018TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope11.54 day11.47 Rearth116.6 Mearth1519 KBrahm et al. 2019
2018TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope11.54 dayPatel & Espinoza 2022