Statements (66)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:planet
gptkb:star |
gptkbp:age |
2.5 billion years
around 2 billion years |
gptkbp:apparent_magnitude |
7.65
|
gptkbp:area |
1.1 times the radius of the Sun
1.1 solar radii |
gptkbp:average_temperature |
5050 K
around 5000 K |
gptkbp:controls |
gptkb:theorem
|
gptkbp:country |
gptkb:HD_189733_b
|
gptkbp:depicted_in |
with binoculars
|
gptkbp:discovered_by |
the 19th century
|
gptkbp:distance |
approximately 63 light years
19.2 parsecs 63 light years |
gptkbp:has_color |
0.8
0.9 0.83 |
gptkbp:has_luminosity |
0.5 solar luminosities
0.4 times the luminosity of the Sun |
gptkbp:has_spectral_type |
gptkb:K
|
gptkbp:has_team |
-0.12 arcseconds/year
-0.15 arcseconds/year |
https://www.w3.org/2000/01/rdf-schema#label |
HD 189733
|
gptkbp:is |
a star with an exoplanet
|
gptkbp:is_a |
K-type main-sequence star
|
gptkbp:is_approximately |
63 light years away from Earth
|
gptkbp:is_associated_with |
the planet HD 189733 b
|
gptkbp:is_known_for |
its variability in brightness
its blue color due to scattering its exoplanet HD 189733 b |
gptkbp:is_observed_in |
gptkb:Spitzer_Space_Telescope
gptkb:Kepler_Space_Telescope gptkb:Hubble_Space_Telescope |
gptkbp:is_part_of |
gptkb:Lyra
gptkb:Milky_Way gptkb:Milky_Way_galaxy the Hipparcos catalog the solar neighborhood the SIMBAD database the International Astronomical Union the 2 MASS catalog the Kepler field the Exoplanet Archive the Extrasolar Planets Encyclopedia the GD R2 catalog the NASA Exoplanet Science Institute the Vizie R catalog |
gptkbp:is_studied_in |
gptkb:planet
atmospheric studies of HD 189733 b |
gptkbp:located_in |
constellation Vulpecula
|
gptkbp:mass |
1.2 solar masses
1.2 times the mass of the Sun |
gptkbp:metallicity |
-0.2 dex
0.0 dex |
gptkbp:orbital_period |
around 10 days
2.2 days 2.2 days for HD 189733 b |
gptkbp:parallax |
0.051 arcseconds
|
gptkbp:speed |
-20 km/s
|
gptkbp:type_of |
K-type main-sequence star
|
gptkbp:year_created |
gptkb:2005
|
gptkbp:bfsParent |
gptkb:Lyra
gptkb:HD_189733b |
gptkbp:bfsLayer |
4
|