Statements (59)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 5 billion years
|
| gptkbp:apparent_magnitude |
5.5
+4.5 5.57 |
| gptkbp:average_temperature |
approximately 4,800 K
5,800 K |
| gptkbp:constellation |
gptkb:Draco
|
| gptkbp:country |
90 Draconis b
90 Draconis c 90 Draconis d |
| gptkbp:discovered_by |
the 19th century
|
| gptkbp:distance |
5.5
approximately 60 light years |
| gptkbp:has_a_common_proper_motion_with |
other stars in Draco
|
| gptkbp:has_a_visual_companion_of |
gptkb:90_Draconis_B
|
| gptkbp:has_luminosity |
1.5 solar luminosities
approximately 0.4 solar luminosities |
| gptkbp:has_mechanic |
0.25 arcseconds/year
|
| gptkbp:has_radius |
approximately 0.7 solar radii
|
| gptkbp:has_spectral_type |
K3 V
|
| gptkbp:hosts |
exoplanets
|
| https://www.w3.org/2000/01/rdf-schema#label |
90 Draconis
|
| gptkbp:is_a_member_of |
the Galactic disk
|
| gptkbp:is_a_reference_for |
celestial navigation
|
| gptkbp:is_a_subject_of |
gptkb:scientific_research
astrophysics research |
| gptkbp:is_analyzed_in |
stellar dynamics
|
| gptkbp:is_approximately |
60 light years away from Earth
|
| gptkbp:is_associated_with |
various astronomical phenomena
the Draco constellation |
| gptkbp:is_featured_in |
astronomy documentaries
|
| gptkbp:is_known_for |
its binary nature
|
| gptkbp:is_located_in |
the constellation Draco
|
| gptkbp:is_observed_in |
gptkb:the_Hubble_Space_Telescope
|
| gptkbp:is_often_referenced_in |
astronomical literature
|
| gptkbp:is_often_used_in |
gptkb:educational_materials
|
| gptkbp:is_part_of |
gptkb:Milky_Way_galaxy
Hipparcos catalog solar neighborhood Draco constellation group local stellar population Draco constellation's mythology |
| gptkbp:is_studied_in |
various telescopes
|
| gptkbp:is_used_for |
stellar evolution studies
|
| gptkbp:is_visible_from |
gptkb:true
|
| gptkbp:mass |
1.1 solar masses
approximately 0.8 solar masses |
| gptkbp:metallicity |
0.0 dex
|
| gptkbp:notable_examples |
binary star systems.
|
| gptkbp:parallax |
0.054 arcseconds
|
| gptkbp:performance |
stellar classification studies
|
| gptkbp:provided |
stellar catalogs
|
| gptkbp:rotation_period |
approximately 25 days
|
| gptkbp:scientific_classification |
a binary star system
|
| gptkbp:targets |
amateur astronomers
exoplanet searches |
| gptkbp:type |
K-type main-sequence star
|
| gptkbp:type_of |
gptkb:star
|