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Qatar-4 b

Host star Qatar-4 • 12.37 R⊕ • 1.81 d orbit

Records

6

archive rows

Discovery

Transit

Radius

12.37 R⊕

median non-null value

Mass

1938.8 M⊕

median non-null value

Qatar-4

1305.9 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

Qatar-4

Discovery

Transit

Year

2017

Period

1.81 day

Radius

Mass

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 12.37 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

Qatar-4 b

12.37 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

6

Refs

6

Methods

1

Discoverystable

6 values • 1 distinct

Facilitystable

6 values • 1 distinct

Periodstable

6 values • 1 distinct

Radiusdisputed

2 values • 2 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2017TransitQatarCanon 400mm f/2.8L1.81 dayMallonn et al. 2019
2017TransitQatarCanon 400mm f/2.8L1.81 dayKokori et al. 2022
2017TransitQatarCanon 400mm f/2.8L1.81 day12.72 Rearth1938.8 Mearth1385 KAlsubai et al. 2017
2017TransitQatarCanon 400mm f/2.8L1.81 dayIvshina & Winn 2022
2017TransitQatarCanon 400mm f/2.8L1.81 day12.02 Rearth1226.8 KExoFOP
2017TransitQatarCanon 400mm f/2.8L1.81 dayKokori et al. 2023