Statements (65)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
gptkb:the_Sun
gptkb:90_Lyrae_B |
| gptkbp:apparent_magnitude |
5.5
5.56 |
| gptkbp:average_temperature |
approximately 5,800 K
|
| gptkbp:cooling_system |
gptkb:90_Lyrae_B
|
| gptkbp:distance |
approximately 50 light years
|
| gptkbp:has_color |
0.6
|
| gptkbp:has_companion |
gptkb:90_Lyrae_B
|
| gptkbp:has_luminosity |
about 1.5 times that of the Sun
|
| gptkbp:has_mechanic |
-0.020 arcseconds/year
-0.045 arcseconds/year |
| gptkbp:has_radius |
about 1.2 solar radii
|
| gptkbp:has_spectral_type |
G5 V
|
| https://www.w3.org/2000/01/rdf-schema#label |
90 Lyrae A
|
| gptkbp:is_a |
gptkb:main-sequence_star
|
| gptkbp:is_associated_with |
the Lyra constellation
|
| gptkbp:is_in |
gptkb:the_Milky_Way_galaxy
the Hertzsprung-Russell diagram |
| gptkbp:is_located_in |
constellation Lyra
|
| gptkbp:is_notable_for |
its brightness in the night sky
its binary nature its role in stellar formation studies its contribution to understanding stellar evolution. |
| gptkbp:is_noted_for |
its stability
|
| gptkbp:is_observed_in |
amateur astronomers
space telescopes various wavelengths ground-based telescopes |
| gptkbp:is_part_of |
the celestial sphere
the solar system's neighborhood the cosmic web the local stellar population the solar neighborhood the galactic structure the stellar classification system the Galactic disk the Lyra constellation group the Milky Way's thin disk 90 Lyrae system binary star system with 90 Lyrae B |
| gptkbp:is_related_to |
stellar dynamics
stellar astrophysics stellar populations |
| gptkbp:is_similar_to |
other G-type stars
|
| gptkbp:is_studied_for |
its chemical composition
its physical properties its evolutionary stage |
| gptkbp:is_studied_in |
astrophysics
|
| gptkbp:is_used_in |
stellar evolution models
navigational astronomy stellar classification studies |
| gptkbp:is_visible_from |
yes
the naked eye |
| gptkbp:lighting |
gptkb:90_Lyrae_B
most stars in its vicinity |
| gptkbp:mass |
about 1.1 solar masses
|
| gptkbp:metallicity |
solar metallicity
|
| gptkbp:notable_nominees |
planetary system formation
|
| gptkbp:parallax |
0.065 arcseconds
|
| gptkbp:scientific_classification |
a yellow star
a solar-type star |
| gptkbp:size |
gptkb:90_Lyrae_B
|
| gptkbp:type_of |
gptkb:main-sequence_star
|