Delta Lyrae

GPTKB entity

Statements (55)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:apparent_magnitude 5.0
5.25
gptkbp:average_temperature 8000 K
about 8,000 K
gptkbp:components the Lyra constellation's asterism
gptkbp:contains_star gptkb:Delta_Lyrae_A
gptkb:Delta_Lyrae_B
gptkbp:discovered_by the 19th century
gptkbp:has a spectral type A3 V
gptkbp:has_a_period_of about 10.5 days
gptkbp:has_color 0.2
gptkbp:has_luminosity 30 solar luminosities
gptkbp:has_mechanic 0.1 arcseconds/year
-0.12 arcseconds/year
-0.15 arcseconds/year
gptkbp:has_radius 2.2 solar radii
gptkbp:has_spectral_type gptkb:A5_V
https://www.w3.org/2000/01/rdf-schema#label Delta Lyrae
gptkbp:included Hipparcos catalog
gptkbp:is a variable star
gptkbp:is_a_member_of Lyra constellation group
gptkbp:is_a_reference_for celestial coordinates
gptkbp:is_a_subject_of stellar dynamics
astronomical studies
gptkbp:is_approximately 100 light years away from Earth
gptkbp:is_associated_with the Lyra constellation mythology
gptkbp:is_located_in constellation Lyra
gptkbp:is_located_near 100 light years from Earth
gptkbp:is_often_seen_in astrophotography
gptkbp:is_part_of gptkb:Lyra
gptkb:Hertzsprung-Russell_diagram
gptkb:Lyra_constellation
gptkb:star
gptkb:Milky_Way_galaxy
night sky
Galactic disk
local stellar neighborhood
Bayer designation system
gptkbp:is_referenced_in astronomical literature
gptkbp:is_studied_for stellar evolution
gptkbp:is_used_in stellar navigation
gptkbp:is_visible_from gptkb:true
gptkbp:known_as gptkb:HR_6883
gptkbp:mass 2.5 solar masses
gptkbp:named_after Lyra, the lyre
gptkbp:orbital_period 10.5 days
gptkbp:scientific_classification a double star system
gptkbp:specification gptkb:Delta_Lyr
gptkbp:system gptkb:true
gptkbp:targets amateur astronomers
exoplanet searches
gptkbp:type_of gptkb:star
gptkbp:bfsParent gptkb:Lyra
gptkbp:bfsLayer 5