Statements (79)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:age |
200-300 million years
|
gptkbp:apparent_magnitude |
-1.46
|
gptkbp:average_temperature |
9940 K
|
gptkbp:contains_star |
gptkb:Sirius_B
gptkb:Sirius_A night sky |
gptkbp:cultural_significance |
gptkb:various_cultures
various civilizations |
gptkbp:discovered_by |
ancient times
unknown ancient astronomers |
gptkbp:distance_from_earth |
8.6 light years
|
gptkbp:eccentricity |
0.6
|
gptkbp:exhibition |
Hipparcos catalog
|
gptkbp:has_color |
0.0
|
gptkbp:has_connection_to |
the Sirius star system
|
gptkbp:has_historical_significance |
ancient Egyptian astronomy
|
gptkbp:has_luminosity |
25.4 solar luminosities
|
gptkbp:has_mechanic |
-0.545, -1.3 arcseconds/year
-0.54, -1.25 arcseconds/year |
gptkbp:has_radius |
1.71 solar radii
|
gptkbp:has_spectral_type |
A1 V
|
gptkbp:has_style |
has a significant cultural impact
is often depicted in art has been observed for centuries is often used in science fiction |
gptkbp:has_variations |
gptkb:none
|
https://www.w3.org/2000/01/rdf-schema#label |
Alpha Canis Majoris
|
gptkbp:is_a_reference_for |
celestial navigation
|
gptkbp:is_a_subject_of |
astrophotography
|
gptkbp:is_approximately |
8.6 light years away from Earth
|
gptkbp:is_areference_star_for |
stellar parallax measurements
|
gptkbp:is_associated_with |
the dog days of summer
the Dog Days of summer Canis Major constellation mythology |
gptkbp:is_atype_of |
gptkb:main-sequence_star
gptkb:star |
gptkbp:is_considered |
a guide star
|
gptkbp:is_in |
the Gliese catalog
the HR catalog |
gptkbp:is_involved_in |
stellar evolution studies
|
gptkbp:is_known_for |
its historical significance
its brightness and visibility |
gptkbp:is_located_in |
gptkb:Milky_Way_galaxy
Canis Major constellation the southern celestial hemisphere |
gptkbp:is_often_compared_to |
other bright stars
|
gptkbp:is_often_featured_in |
astronomy education
|
gptkbp:is_one_of |
the closest stars to Earth
|
gptkbp:is_part_of |
gptkb:Milky_Way_galaxy
the celestial sphere the Winter Hexagon Canis Major constellation the Local Bubble the Milky Way's stellar population the Galactic neighborhood the Southern Hemisphere sky the Winter Triangle the Canis Major constellation family |
gptkbp:is_referenced_in |
various literary works
|
gptkbp:is_studied_in |
astrophysics
|
gptkbp:is_the_brightest_star |
in the night sky
|
gptkbp:is_used_in |
star charts
navigation by sailors stellar classification studies |
gptkbp:is_visible_from |
gptkb:true
both hemispheres |
gptkbp:known_as |
gptkb:Sirius
|
gptkbp:mass |
2.1 solar masses
2.02 solar masses |
gptkbp:navigation_system |
by sailors
|
gptkbp:orbital_inclination |
63 degrees
|
gptkbp:orbital_period |
50.1 years
|
gptkbp:system |
gptkb:true
|
gptkbp:was_akey_figure_in |
gptkb:astrology
the night sky the Hipparcos mission |
gptkbp:bfsParent |
gptkb:Sirius
|
gptkbp:bfsLayer |
4
|