Statements (125)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:age |
about 455 million years
approximately 455 million years around 455 million years |
gptkbp:apparent_magnitude |
0.0
0.03 |
gptkbp:average_temperature |
9602 K
approximately 9600 K 9600 K |
gptkbp:contains_star |
gptkb:Alpha_Lyrae_B
gptkb:Yes none known in the night sky |
gptkbp:cultural_symbol |
in various cultures
|
gptkbp:declination |
+38° 47' 01"
|
gptkbp:distance |
25 light years
|
gptkbp:distance_from_earth |
25 light years
|
gptkbp:has_color |
-0.5
0.0 |
gptkbp:has_connection_to |
gptkb:star
|
gptkbp:has_luminosity |
40 times that of the Sun
about 40 times that of the Sun |
gptkbp:has_magnitude_variation |
gptkb:none
|
gptkbp:has_mechanic |
-0.1 arcseconds/year
-0.3 arcseconds/year -0.2, -0.1 arcseconds/year 0.3 arcseconds/year |
gptkbp:has_radius |
2.5 times that of the Sun
about 2.5 times that of the Sun 2.3 times that of the Sun |
gptkbp:has_spectral_type |
gptkb:A0_V
|
https://www.w3.org/2000/01/rdf-schema#label |
Alpha Lyrae
|
gptkbp:included |
star catalogs
star atlases |
gptkbp:is_a_reference_for |
celestial navigation
stellar distance measurements |
gptkbp:is_acommon_target_for |
amateur astronomers
|
gptkbp:is_areference_star_for |
photometry
|
gptkbp:is_asequel_to |
spectral classification
|
gptkbp:is_associated_with |
gptkb:the_Summer_Triangle
gptkb:mythology mythology and folklore exoplanetary systems various myths and legends the Lyra constellation mythology various scientific missions the Lyra constellation the Lyra constellation's mythology |
gptkbp:is_atype_of |
gptkb:main-sequence_star
A-type main-sequence star |
gptkbp:is_considered_as |
a standard candle
a prototype for A-type stars a standard for calibrating other stars |
gptkbp:is_featured_in |
gptkb:literature_and_art
|
gptkbp:is_involved_in |
stellar evolution studies
|
gptkbp:is_known_for |
being one of the brightest stars in the night sky
its brightness its brightness and color its historical significance in navigation. its role in the history of astronomy its role in the study of stellar atmospheres being a standard for photometric measurements |
gptkbp:is_located_at |
approximately 25 light years from Earth
|
gptkbp:is_located_in |
gptkb:Milky_Way_galaxy
|
gptkbp:is_noted_for |
its rapid rotation
|
gptkbp:is_observed_in |
amateur astronomers
telescopes various wavelengths various wavelengths including UV and infrared |
gptkbp:is_one_of |
the brightest stars in the night sky
|
gptkbp:is_part_of |
gptkb:the_Summer_Triangle
gptkb:Hertzsprung–_Russell_diagram gptkb:Summer_Triangle gptkb:Lyra_constellation multiple star system the celestial sphere various cultural references the Hertzsprung-Russell diagram stellar classification systems the Local Bubble the galactic plane the Galactic Plane the Milky Way's stellar population the Lyra constellation family multiple star catalogs |
gptkbp:is_referenced_in |
gptkb:literature_and_art
various cultural contexts |
gptkbp:is_studied_for |
its rotation speed
its spectral characteristics |
gptkbp:is_studied_in |
astrophysics
stellar astrophysics |
gptkbp:is_used_for |
a reference point for photometric measurements
|
gptkbp:is_used_in |
gptkb:navigation
stellar classification celestial navigation astrophysics research astrophotography exoplanet studies astronomical navigation stellar distance measurements stellar dynamics research navigation and orientation |
gptkbp:is_visible_from |
gptkb:Northern_Hemisphere
gptkb:Earth gptkb:Yes gptkb:true yes the northern hemisphere both hemispheres the naked eye |
gptkbp:known_as |
gptkb:Vega
|
gptkbp:mass |
about 2.1 times that of the Sun
2.1 times that of the Sun |
gptkbp:origin |
Latin for 'the harp'
|
gptkbp:right_ascension |
18h 36m 56.3s
|
gptkbp:scientific_classification |
a variable star
a benchmark star for photometric studies a standard star for calibration |
gptkbp:system |
gptkb:true
|
gptkbp:type_of |
gptkb:main-sequence_star
A-type main-sequence star |
gptkbp:was_akey_figure_in |
stellar parallax measurements
|
gptkbp:bfsParent |
gptkb:Lyra
gptkb:Vega |
gptkbp:bfsLayer |
5
|