ExoplanetDetail

HD 21749 c

Host star GJ 143 • 0.89 R⊕ • 7.79 d orbit

Records

archive rows

Discovery

2019

Transit

Radius

0.89 R⊕

default parameter set

Mass

3.70 M⊕

default parameter set

GJ 143

701 K equilibrium

Selected source: Dragomir et al. 2019

Host Star

GJ 143

Stable across source rows

GJ 143

Discovery Method

Transit

Consistent across records

Transit (2)

Discovery Year

2019

Stable across source rows

2019

Orbital Period

7.79 day

7.79 to 7.79

2 values • 2 distinct

Semi-Major Axis

0.07 au

single adopted value

1 values • 1 distinct

Radius

0.89 Rearth

0.89 to 0.96

2 values • 2 distinct

Mass

3.70 Mearth

single adopted value

1 values • 1 distinct

Density

31.93 g/cm**3

single adopted value

1 values • 1 distinct

Equilibrium Temperature

701 K

701 to 1165.1

2 values • 2 distinct

Earth

1.0 R⊕ baseline

HD 21749 c

0.89 R⊕

Jupiter

11.2 R⊕ reference

Evidence Summary

Rows

Refs

Methods

Discoverystable

2 values • 1 distinct

Facilitystable

2 values • 1 distinct

Periodstable

2 values • 1 distinct

Radiusdisputed

2 values • 2 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

2 values • 2 distinct

Year	Method	Facility	Telescope	Period	Radius	Mass	Eq. Temp	Reference
2019	Transit	Transiting Exoplanet Survey Satellite (TESS)	0.1 m TESS Telescope	7.79 day	0.89 Rearth	3.70 Mearth	701 K	Dragomir et al. 2019
2019	Transit	Transiting Exoplanet Survey Satellite (TESS)	0.1 m TESS Telescope	7.79 day	0.96 Rearth	—	1165.1 K	ExoFOP

HD 21749 c

Adopted planet values from the default parameter set

Radius against familiar reference worlds

Underlying measurements and references