Statements (72)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:age |
gptkb:the_Sun
approximately 5 billion years |
gptkbp:apparent_magnitude |
4.8
6.0 approximately 6.5 |
gptkbp:average_temperature |
approximately 4,800 K
approximately 5000 K |
gptkbp:constellation |
gptkb:Draco
|
gptkbp:contains_star |
astrometric measurements
|
gptkbp:country |
gptkb:true
70 Draconis b 70 Draconis c 70 Draconis d |
gptkbp:declination |
+58° 36′ 00″
|
gptkbp:discovered_by |
the 19th century
D. J. C. Mac Donald |
gptkbp:discovery_year |
gptkb:2002
|
gptkbp:distance |
approximately 70 light years
5.0 magnitudes |
gptkbp:distance_from_earth |
approximately 49.7 light years
|
gptkbp:has_a_focus_on |
stellar dynamics studies
|
gptkbp:has_a_galactic_latitude_of |
+60.0 degrees
|
gptkbp:has_a_galactic_longitude_of |
+150.0 degrees
|
gptkbp:has_a_planetary_system_that_includes |
at least one confirmed exoplanet
|
gptkbp:has_a_proper_motion_in_declination_of |
-0.020 arcseconds/year
|
gptkbp:has_a_proper_motion_in_right_ascension_of |
-0.020 arcseconds/year
|
gptkbp:has_luminosity |
about 0.4 times that of the Sun
approximately 0.4 solar luminosities |
gptkbp:has_radius |
approximately 0.7 solar radii
about 0.7 times that of the Sun |
gptkbp:has_spectral_type |
K3 V
|
gptkbp:hosts |
habitable zone planets
|
https://www.w3.org/2000/01/rdf-schema#label |
70 Draconis
|
gptkbp:included |
Hipparcos catalog
|
gptkbp:is_a_known_example_of |
stellar evolution stages.
|
gptkbp:is_a_member_of |
Galactic thin disk
|
gptkbp:is_a_reference_for |
stellar distance measurements
|
gptkbp:is_a_site_for |
future astronomical observations
|
gptkbp:is_a_subject_of |
astrophysics research
stellar formation research stellar classification research |
gptkbp:is_analyzed_in |
spectral characteristics
|
gptkbp:is_approximately |
6.5 billion years old
|
gptkbp:is_associated_with |
gptkb:Draco_constellation
|
gptkbp:is_known_for |
stellar composition
|
gptkbp:is_located_in |
the constellation Draco
|
gptkbp:is_part_of |
gptkb:Milky_Way_Galaxy
gptkb:Milky_Way_galaxy solar neighborhood Draco constellation group local stellar population local galactic neighborhood solar neighborhood stars Draco constellation's mythology |
gptkbp:is_studied_for |
stellar activity
|
gptkbp:is_visible_from |
under good conditions
|
gptkbp:known_as |
HD 190406
|
gptkbp:mass |
approximately 0.8 solar masses
|
gptkbp:metallicity |
+0.1 dex
|
gptkbp:notable_nominees |
stellar evolution studies
stellar population studies |
gptkbp:orbit_type |
the exoplanet 70 Draconis b
|
gptkbp:performance |
K-dwarf stars
|
gptkbp:right_ascension |
17h 57m 36s
|
gptkbp:rotation_period |
about 30 days
|
gptkbp:scientific_classification |
a metal-rich star
|
gptkbp:targets |
gptkb:exoplanet
gptkb:future_space_missions exoplanet habitability studies |
gptkbp:type |
K-type main-sequence star
|
gptkbp:type_of |
K-type main-sequence star
|