Statements (54)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 5 billion years
|
| gptkbp:apparent_magnitude |
5.5
|
| gptkbp:average_temperature |
approximately 5000 K
|
| gptkbp:constellation |
gptkb:Draco
|
| gptkbp:country |
yes
|
| gptkbp:discovered_by |
the 19th century
|
| gptkbp:discovery_year |
not specified
|
| gptkbp:distance |
5.0
approximately 50 light years |
| gptkbp:exhibition |
various astronomical databases
|
| gptkbp:has_a_combined_magnitude_of |
5.1
|
| gptkbp:has_luminosity |
approximately 2.5 times that of the Sun
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
|
| https://www.w3.org/2000/01/rdf-schema#label |
80 Draconis
|
| gptkbp:included |
star catalogs
|
| gptkbp:is_a_binary_system_with_a_period_of |
approximately 1000 years
|
| gptkbp:is_a_member_of |
the solar neighborhood
|
| gptkbp:is_a_point_of_interest_for |
amateur astronomers
|
| gptkbp:is_a_reference_for |
stellar classification
stellar distance measurements |
| gptkbp:is_a_subject_of |
astrophysics
stellar population studies stellar dynamics studies |
| gptkbp:is_approximately |
50 light years away from Earth
|
| gptkbp:is_associated_with |
the Draco constellation
|
| gptkbp:is_known_for |
binary nature
|
| gptkbp:is_located_in |
the constellation Draco
|
| gptkbp:is_often_referenced_in |
astronomical literature
|
| gptkbp:is_often_seen_in |
photometric surveys
|
| gptkbp:is_part_of |
gptkb:Hertzsprung-Russell_diagram
gptkb:Milky_Way_galaxy cosmic web local group of stars local stellar population Galactic neighborhood Draco constellation's star field |
| gptkbp:is_studied_in |
gptkb:exoplanet
|
| gptkbp:is_visible_from |
from Earth
|
| gptkbp:known_as |
gptkb:HR_7243
|
| gptkbp:mass |
approximately 0.8 solar masses
approximately 1.3 solar masses |
| gptkbp:metallicity |
slightly below solar metallicity
|
| gptkbp:notable_feature |
part of the solar neighborhood
|
| gptkbp:often_includes |
astronomical educational materials
|
| gptkbp:scientific_classification |
a binary star system
|
| gptkbp:semi_major_axis |
about 20 AU
|
| gptkbp:targets |
stellar evolution studies
spectroscopic analysis |
| gptkbp:type |
K-type main-sequence star
|
| gptkbp:type_of |
gptkb:star
|