Planet Cha Ha 1

Detailed information about planet Cha Ha 1 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Cha Ha 1

Planet Status

Confirmed

Discovered in

1998

Update

2024-08-08

Mass

45.0 (\pm 5.0)

M_J 1 publication

Probing the brown dwarf population of the Chamaeleon I star forming region

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

ω

—

T_peri

—

Radius

4.56

R_J

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Spectrum

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

2770.0

K 1 publication

Probing the brown dwarf population of the Chamaeleon I star forming region

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

ISO-ChaI 95, 2MASS J11071668-7735532

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type M7.5/8e. Age 2-8 Myr. Visual companion to young star HL Cha (131.14 arcseconds, 25,440 AUs at 194 pc if gravitationally bound). The object is surrounded by a dust disk.

No link

System without star

Distance

194.5 pc

RA₂₀₀₀

11:07:16.7

Dec₂₀₀₀

-77:35:53.2

Planet Cha Ha 1

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Planet Cha Ha 1

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Related publications

Binary frequency of very young brown dwarfs at separations smaller than 3 AU

Radial velocity survey for planets and brown dwarf companions to very young brown dwarfs and very low-mass stars in Chamaeleon I with UVES at the VLT

Probing the brown dwarf population of the Chamaeleon I star forming region

The brown dwarf population in Cha I

Medium-resolution optical spectroscopy of young stellar and sub-stellar M-dwarfs in the Cha I dark cloud

ROSAT X-ray Detection of a Young Brown Dwarf in the Chamaeleon I Dark Cloud