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gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
1 billion years
|
|
gptkbp:apparent_magnitude
|
5.08
5.2
|
|
gptkbp:average_temperature
|
7,800 K
around 7,500 K
|
|
gptkbp:distance
|
of about 5.5
|
|
gptkbp:has_a_period_of
|
about 10 days
|
|
gptkbp:has_a_primary_component
|
spectral type A
|
|
gptkbp:has_a_secondary_component
|
spectral type F
|
|
gptkbp:has_luminosity
|
approximately 50 times that of the Sun
|
|
gptkbp:has_radius
|
1.5 times the radius of the Sun
|
|
gptkbp:has_spectral_type
|
gptkb:A5_V
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Xi Lyrae
|
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gptkbp:is_a
|
gptkb:main-sequence_star
|
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gptkbp:is_a_member_of
|
the solar neighborhood
|
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gptkbp:is_a_reference_for
|
celestial navigation
|
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gptkbp:is_a_source_of
|
stellar wind
|
|
gptkbp:is_a_subject_of
|
amateur astronomers
|
|
gptkbp:is_approximately
|
25 light years away from Earth
|
|
gptkbp:is_associated_with
|
the Lyra constellation's mythology
|
|
gptkbp:is_included_in_the_catalog_of
|
gptkb:double_stars
|
|
gptkbp:is_involved_in
|
stellar interactions
|
|
gptkbp:is_located_in
|
the constellation Lyra
|
|
gptkbp:is_located_near
|
50 light years from Earth
|
|
gptkbp:is_observed_in
|
various telescopes
|
|
gptkbp:is_part_of
|
gptkb:Hertzsprung-Russell_diagram
gptkb:Lyra_constellation
gptkb:Milky_Way_galaxy
Galactic disk
stellar population of the Milky Way
local group of stars
local stellar population
Lyra constellation's asterism
|
|
gptkbp:is_referenced_in
|
astronomical literature
|
|
gptkbp:is_studied_in
|
astrophysics research
its binary nature
|
|
gptkbp:is_visible_from
|
yes
in the night sky
|
|
gptkbp:known_as
|
HD 174539
|
|
gptkbp:mass
|
approximately 2.5 solar masses
1.8 times the mass of the Sun
|
|
gptkbp:metallicity
|
similar to the Sun
|
|
gptkbp:notable_nominees
|
exoplanet searches
|
|
gptkbp:often_includes
|
star catalogs
|
|
gptkbp:performance
|
stellar classification
|
|
gptkbp:scientific_classification
|
a double star system
|
|
gptkbp:speed
|
of about 20 km/s
|
|
gptkbp:targets
|
stellar evolution studies
|
|
gptkbp:type_of
|
gptkb:star
|