|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
approximately 4.5 billion years
|
|
gptkbp:apparent_magnitude
|
5.57
|
|
gptkbp:average_temperature
|
approximately 5800 K
|
|
gptkbp:composed_of
|
solar metallicity
|
|
gptkbp:contains_star
|
gptkb:83_Canum_Venaticorum_B
|
|
gptkbp:coordinates
|
approximately -30 degrees
approximately 200 degrees
l = 150°, b = -30°
|
|
gptkbp:discovery_year
|
discovered in 1830
|
|
gptkbp:distance
|
approximately 50 light years
|
|
gptkbp:element
|
determined through astrometry
|
|
gptkbp:exhibition
|
gptkb:Henry_Draper_catalog
Hipparcos catalog
Gliese catalog
|
|
gptkbp:has_color
|
0.6
|
|
gptkbp:has_historical_significance
|
notable for binary star studies
|
|
gptkbp:has_luminosity
|
1.3 solar luminosities
|
|
gptkbp:has_magnitude_difference
|
1.5 between A and B
|
|
gptkbp:has_mechanic
|
-0.020 arcseconds/year
-0.045 arcseconds/year
|
|
gptkbp:has_radius
|
1.1 solar radii
|
|
gptkbp:has_spectral_type
|
G5 V
|
|
gptkbp:has_title
|
gptkb:83_Canum_Venaticorum_A
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
83 Canum Venaticorum A
|
|
gptkbp:is_associated_with
|
gptkb:exoplanet
|
|
gptkbp:is_located_in
|
gptkb:Milky_Way_galaxy
the northern celestial hemisphere
|
|
gptkbp:is_noted_for
|
its binary nature
|
|
gptkbp:is_observed_in
|
space telescopes
various wavelengths
ground-based telescopes
|
|
gptkbp:is_part_of
|
gptkb:star
multiple star system
Canes Venatici constellation
|
|
gptkbp:is_related_to
|
stellar dynamics
|
|
gptkbp:is_studied_in
|
astrophysics
|
|
gptkbp:is_used_in
|
stellar evolution models
|
|
gptkbp:is_visible_from
|
gptkb:true
visible to the naked eye
|
|
gptkbp:mass
|
1.1 solar masses
|
|
gptkbp:orbital_inclination
|
approximately 45 degrees
|
|
gptkbp:orbital_period
|
approximately 1000 days
|
|
gptkbp:parallax
|
0.065 arcseconds
|
|
gptkbp:speed
|
-10 km/s
|
|
gptkbp:system
|
gptkb:true
|
|
gptkbp:type_of
|
gptkb:main-sequence_star
|