Statements (75)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:age |
gptkb:the_Sun
approximately 5 billion years approximately 6 billion years |
gptkbp:apparent_magnitude |
5.5
+4.9 |
gptkbp:average_temperature |
approximately 5,200 K
around 5,800 K |
gptkbp:constellation |
gptkb:Ursa_Major
|
gptkbp:contains_star |
none known
astrometric measurements. of the G-type |
gptkbp:cooling_system |
gptkb:the_Sun
|
gptkbp:coordinates |
l = 130.5°, b = 36.2°
|
gptkbp:country |
gptkb:84_Ursae_Majoris_c
gptkb:84_Ursae_Majoris_b |
gptkbp:distance |
approximately 52 light years
|
gptkbp:has_a_focus_on |
exoplanetary science
|
gptkbp:has_a_similar_composition_to |
gptkb:the_Sun
|
gptkbp:has_luminosity |
1.5 solar luminosities
approximately 0.4 solar luminosities |
gptkbp:has_mechanic |
-0.1 arcseconds/year in RA
-0.2 arcseconds/year in Dec of 0.25 arcseconds/year |
gptkbp:has_radius |
1.2 solar radii
approximately 0.7 solar radii |
gptkbp:has_spectral_type |
G5 V
K0 V |
gptkbp:hosts |
habitable zone planets
|
https://www.w3.org/2000/01/rdf-schema#label |
84 Ursae Majoris
|
gptkbp:is_a_member_of |
the solar neighborhood stars
the solar neighborhood |
gptkbp:is_a_reference_for |
stellar distance measurements
|
gptkbp:is_a_subject_of |
stellar dynamics
|
gptkbp:is_approximately |
51 light years away from Earth
|
gptkbp:is_associated_with |
the Ursa Major constellation
|
gptkbp:is_essential_for |
gptkb:exoplanet
|
gptkbp:is_known_for |
its relatively high metallicity
|
gptkbp:is_located_in |
Galactic plane
the constellation Ursa Major |
gptkbp:is_observed_in |
gptkb:the_Kepler_space_telescope
radio wavelengths infrared wavelengths |
gptkbp:is_often_described_as |
HR 4005
|
gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
Hipparcos catalog solar neighborhood the Local Bubble the solar system's neighborhood the Hipparcos catalog the Galactic disk 2 MASS catalog Gaia catalog |
gptkbp:is_studied_in |
various telescopes
stellar astrophysics stellar population studies |
gptkbp:is_visible_from |
gptkb:true
with binoculars |
gptkbp:lighting |
gptkb:the_Sun
|
gptkbp:mass |
1.1 solar masses
approximately 0.8 solar masses |
gptkbp:metallicity |
[ Fe/ H] = 0.1
[ Fe/ H] = -0.2 |
gptkbp:notable_nominees |
stellar evolution studies
planetary system formation studies habitable zone studies |
gptkbp:parallax |
0.062 arcseconds
|
gptkbp:provided |
various star catalogs
|
gptkbp:rotation_period |
approximately 26 days
|
gptkbp:scientific_classification |
the Henry Draper catalog
a stable star |
gptkbp:speed |
-20 km/s
|
gptkbp:targets |
gptkb:exoplanet
future astronomical studies |
gptkbp:type |
K-type main-sequence star
|