Schedar

GPTKB entity

Statements (85)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:age estimated to be around 100 million years
gptkbp:apparent_magnitude -8.0
2.24
-8.25
gptkbp:average_temperature around 4,500 K
gptkbp:color gptkb:red
gptkbp:constellation gptkb:Cassiopeia
gptkbp:discovered_by ancient times
gptkbp:discovery known since antiquity
gptkbp:distance approximately 230 light years
gptkbp:exhibition the Hipparcos catalog
the GCVS
gptkbp:has_color gptkb:red
+1.50
gptkbp:has_luminosity approximately 1,500 times that of the Sun
about 3,000 times that of the Sun
about 1,500 times the luminosity of the Sun
gptkbp:has_mechanic -0.01 arcseconds/year
-0.02 arcseconds/year
-0.02 arcseconds/year in declination
0.01 arcseconds/year in right ascension
gptkbp:has_radius approximately 40 times that of the Sun
approximately 50 times that of the Sun
approximately 60 times the radius of the Sun
gptkbp:has_spectral_type M0 III
https://www.w3.org/2000/01/rdf-schema#label Schedar
gptkbp:included the Messier catalog
the Bright Star Catalog
gptkbp:is_a gptkb:Supernova
gptkb:Giant
gptkb:star
gptkbp:is_associated_with the myth of Andromeda
the mythological figure of Cassiopeia
gptkbp:is_in the northern celestial hemisphere
gptkbp:is_known_for its historical significance in astronomy
its brightness and color
its role in folklore and mythology
gptkbp:is_located_at approximately 230 light-years from Earth
gptkbp:is_located_in constellation Cassiopeia
gptkbp:is_located_near 230 light years from Earth
gptkbp:is_observed_in amateur astronomers
various wavelengths of light
various astronomical studies
gptkbp:is_one_of the brightest stars in Cassiopeia
gptkbp:is_part_of gptkb:Milky_Way
gptkb:Milky_Way_galaxy
Cassiopeia constellation
the celestial sphere
the HR diagram
the spectral classification system
the celestial navigation system
the celestial coordinate system
the astronomical community
the HR catalog
the star classification system
the Bayer designation system
the astronomical literature
the star cataloging systems
gptkbp:is_related_to the constellation's shape
gptkbp:is_studied_for stellar evolution
its physical properties
gptkbp:is_studied_in astrophysicists
gptkbp:is_used_in star charts
stellar navigation
navigational astronomy
gptkbp:is_visible_from gptkb:Earth
gptkb:true
visible to the naked eye
the northern hemisphere
the autumn sky
the night sky.
gptkbp:location northern hemisphere
gptkbp:mass about 5 times the mass of the Sun
gptkbp:name gptkb:Alpha_Cassiopeiae
gptkbp:named_after Arabic word for 'the chair'
Arabic word for 'the head of the snake'
the Arabic word for 'the breast'.
the Arabic word for 'the head of the serpent'
gptkbp:previous_name gptkb:Shedar
gptkbp:scientific_classification a giant star
gptkbp:type red giant
gptkbp:type_of spectral type M0 III
gptkbp:bfsParent gptkb:Cassiopeia
gptkbp:bfsLayer 5