Planet HD 18742 b

Detailed information about planet HD 18742 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 18742 b

Planet Status

Confirmed

Discovered in

2011

Update

2018-12-21

Mass

3.4 (\pm 1.2)

M_J

Mass*sin(i)

3.4 (\pm 1.2)

M_J 1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Semi-Major Axis

1.82 (\pm 0.14)

AU 1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Orbital Period

766.0 (\pm 25.0)

day 1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Eccentricity

0.04 (\pm 0.035)

1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

ω

190.0 (\pm 74.0)

deg 1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

T_peri

2455280.0 (\pm 140.0)

JD 1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Radius

1.166

R_J

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Theoretical

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

61.0 (\pm 22.0)

m/s

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

HD 18742

Distance

135.0 (\pm 14.0)

pc 1 publication

Retired A Stars and Their Companions: Eighteen New Jovian Planets

Spectral type

G8/K0

Apparent magnitude V

7.81

Mass

1.36 (\pm 0.11)

M_Sun 2 publications

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Age

2.3 (\pm 0.5)

Gyr 1 publication

Retired A Stars and Their Companions: Eighteen New Jovian Planets

Effective temperature

4940.0 (\pm 44.0)

K 2 publications

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Radius

5.13 (\pm 0.1)

R_Sun 2 publications

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Metallicity [Fe/H]

-0.04 (\pm 0.03)

1 publication

Retired A Stars and Their Companions: Eighteen New Jovian Planets

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

03:00:10.7

Dec₂₀₀₀

-20:48:09.4

Alternate Names

—

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 18742 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 18742 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

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Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

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Retired A Stars and Their Companions: Eighteen New Jovian Planets