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HR 8799 c

Host star HR 8799 • 12.10 R⊕ • 69000 d orbit

Records

4

archive rows

Discovery

Imaging

Radius

12.10 R⊕

median non-null value

Mass

3000 M⊕

median non-null value

HR 8799

1200 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

HR 8799

Discovery

Imaging

Year

2008

Period

8.33e4 day

Radius

Mass

Eq. Temp

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 12.10 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

HR 8799 c

12.10 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

Perioddisputed

3 values • 3 distinct

Radiusdisputed

2 values • 2 distinct

Massstable

1 values • 1 distinct

Eq. Tempstable

1 values • 1 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2008ImagingGemini Observatory8.19 m Gemini North Telescope8.33e4 dayZurlo et al. 2016
2008ImagingGemini Observatory8.19 m Gemini North Telescope11.21 Rearth1200 KBonnefoy et al. 2016
2008ImagingGemini Observatory8.19 m Gemini North Telescope6.76e4 dayKonopacky et al. 2016
2008ImagingGemini Observatory8.19 m Gemini North Telescope69000 day13 Rearth3000 MearthMarois et al. 2008