Statements (81)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:the_GTVA
|
| gptkbp:age |
around 7 billion years
|
| gptkbp:apparent_magnitude |
10.6
|
| gptkbp:area |
0.34 solar radii
about 0.34 solar radii 0.55 solar radii |
| gptkbp:average_temperature |
3,200 K
about 3,200 K |
| gptkbp:constellation |
gptkb:Libra
|
| gptkbp:cooling_system |
gptkb:the_Sun
|
| gptkbp:coordinates |
RA 15h 19m 27.3s, Dec -07° 43' 20''
|
| gptkbp:country |
gptkb:Gliese_581d
gptkb:Gliese_581g gptkb:Gliese_581c gptkb:Gliese_581e gptkb:Gliese_581b at least 4 Gliese 581 system |
| gptkbp:discovered_by |
gptkb:2005
U. S. and European astronomers |
| gptkbp:distance |
20.3 light years
|
| gptkbp:focuses_on |
exoplanet habitability studies
planetary formation studies |
| gptkbp:has |
four confirmed exoplanets
|
| gptkbp:has_luminosity |
0.014 solar luminosities
|
| gptkbp:has_spectral_type |
M3 V
|
| gptkbp:has_team |
0.66 arcseconds/year
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gliese 581
|
| gptkbp:includes |
gptkb:Gliese_581d
gptkb:Gliese_581g gptkb:Gliese_581c gptkb:Gliese_581e |
| gptkbp:is_analyzed_in |
stellar evolution studies
atmospheric composition of its planets |
| gptkbp:is_approximately |
20.3 light years away from Earth
|
| gptkbp:is_associated_with |
the search for extraterrestrial life
|
| gptkbp:is_discussed_in |
astronomical research papers
|
| gptkbp:is_featured_in |
gptkb:literary_work
documentaries about space |
| gptkbp:is_known_for |
a stable orbit for its planets
its potentially habitable planets its unique planetary system configuration |
| gptkbp:is_observed_in |
gptkb:the_Kepler_space_telescope
transit photometry radial velocity methods the HARPS spectrograph |
| gptkbp:is_often_compared_to |
other star systems with exoplanets
|
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
the search for Earth-like planets the Luyten 726-8 system the GJ 581 system the Gliese catalog of nearby stars the ongoing search for life beyond Earth |
| gptkbp:is_studied_in |
gptkb:planet
stellar activity |
| gptkbp:key |
M-dwarf star systems.
|
| gptkbp:located_in |
gptkb:Libra_constellation
the constellation Libra |
| gptkbp:mass |
0.31 solar masses
about 0.31 solar masses |
| gptkbp:members |
the solar neighborhood
|
| gptkbp:metallicity |
-0.3 dex
|
| gptkbp:orbital_period |
about 5.4 days
5.36 days 12.91 days 37.0 days 66.8 days |
| gptkbp:performance |
M-dwarf exoplanet studies
|
| gptkbp:provides |
exoplanet databases
|
| gptkbp:redshift |
type
|
| gptkbp:scientific_classification |
a flare star
|
| gptkbp:subject |
scientific conferences
astrobiology public interest in astronomy |
| gptkbp:targets |
gptkb:spacecraft
future astronomical studies direct imaging studies |
| gptkbp:type |
gptkb:galaxy
|
| gptkbp:year_created |
gptkb:2005
|