|
gptkbp:instance_of
|
gptkb:exoplanet
|
|
gptkbp:atmosphere
|
hydrogen and helium
|
|
gptkbp:average_temperature
|
800 K
|
|
gptkbp:contains_star
|
gptkb:Milky_Way
|
|
gptkbp:country
|
gptkb:WASP-39b
at least 1
hot Jupiter system
|
|
gptkbp:declination
|
-01° 12' 36''
|
|
gptkbp:discovered_by
|
gptkb:WASP
|
|
gptkbp:discovery
|
transit method
|
|
gptkbp:discovery_year
|
gptkb:2011
|
|
gptkbp:distance_from_earth
|
approximately 0.5 kpc
|
|
gptkbp:eccentricity
|
0.0
low eccentricity
|
|
gptkbp:field_of_study
|
gptkb:exoplanet
|
|
gptkbp:has_luminosity
|
about 5 billion years
non-variable
1.0 solar luminosities
low activity
about 5800 K
|
|
gptkbp:has_radius
|
1.3 Jupiter radii
|
|
gptkbp:has_spectral_type
|
G-type star
|
|
gptkbp:hosts
|
gptkb:WASP-39
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
WASP-39
|
|
gptkbp:light_curve_data
|
available
|
|
gptkbp:lighting
|
observed
|
|
gptkbp:mass
|
1.0 solar masses
1.0 solar radii
0.28 Jupiter masses
|
|
gptkbp:metallicity
|
solar metallicity
|
|
gptkbp:next_event
|
planned with JWST
|
|
gptkbp:observational_facility
|
space telescopes
ground-based telescopes
|
|
gptkbp:orbital_altitude
|
0.05 AU
|
|
gptkbp:orbital_inclination
|
88.5 degrees
about 85 degrees
|
|
gptkbp:orbital_period
|
4.0 days
|
|
gptkbp:planetary_atmospheric_studies
|
ongoing research
|
|
gptkbp:provides_information_on
|
gptkb:NASA_Exoplanet_Archive
|
|
gptkbp:research
|
transit method
|
|
gptkbp:right_ascension
|
12h 58m 36.0s
|
|
gptkbp:route
|
approximately 3 hours
|
|
gptkbp:semi_major_axis
|
0.048 AU
|
|
gptkbp:significance
|
important for understanding hot Jupiters.
|
|
gptkbp:stellar_rotation_period
|
about 25 days
|
|
gptkbp:transmission
|
measurable
|
|
gptkbp:type
|
gptkb:hot_Jupiter
|