Statements (72)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
gptkb:the_Sun
approximately 5 billion years |
| gptkbp:apparent_magnitude |
5.5
6.5 approximately 7.5 |
| gptkbp:average_temperature |
approximately 5,200 K
approximately 5000 K |
| gptkbp:b-side |
+0.9
|
| gptkbp:constellation |
gptkb:Draco
|
| gptkbp:country |
gptkb:98_Draconis_b
contains at least one confirmed exoplanet |
| gptkbp:declination |
+58° 38' 00''
|
| gptkbp:discovered_by |
gptkb:2002
|
| gptkbp:discovery |
radial velocity
|
| gptkbp:discovery_year |
gptkb:2006
|
| gptkbp:distance |
approximately 50 light years
5.5 magnitudes |
| gptkbp:eccentricity |
0.1
|
| gptkbp:exoplanet_name |
gptkb:98_Draconis_b
|
| gptkbp:has_a_focus_on |
astrophysical research
|
| gptkbp:has_a_habitable_zone |
that is farther out than Earth’s
|
| gptkbp:has_color |
+0.7
|
| gptkbp:has_companion |
none known
|
| gptkbp:has_luminosity |
0.4 solar luminosities
|
| gptkbp:has_mechanic |
-0.12 arcsec/yr
-0.15 arcsec/yr of 0.5 arcseconds/year |
| gptkbp:has_radius |
0.7 solar radii
0.75 solar radii |
| gptkbp:has_role |
stellar classification studies
|
| gptkbp:has_spectral_type |
K0 V
K4 V |
| https://www.w3.org/2000/01/rdf-schema#label |
98 Draconis
|
| gptkbp:is_a_member_of |
the solar neighborhood
|
| gptkbp:is_a_subject_of |
scientific inquiry
stellar evolution studies |
| gptkbp:is_approximately |
16.3 light years away from Earth
|
| gptkbp:is_associated_with |
the Draco constellation
|
| gptkbp:is_characterized_by |
a stable luminosity
|
| gptkbp:is_known_for |
its relatively low brightness
|
| gptkbp:is_known_to |
a relatively low activity level
|
| gptkbp:is_located_in |
the constellation Draco
|
| gptkbp:is_observed_in |
the Kepler Space Telescope
|
| gptkbp:is_often_compared_to |
other K-type stars
|
| gptkbp:is_often_referenced_in |
astronomical literature
|
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
the Hipparcos catalog local stellar population |
| gptkbp:is_part_of_a_larger_group |
of nearby stars
|
| gptkbp:is_studied_for |
its potential for hosting life
|
| gptkbp:is_visible_from |
visible to the naked eye
with the naked eye |
| gptkbp:mass |
0.8 solar masses
|
| gptkbp:metallicity |
-0.2 dex
|
| gptkbp:notable_nominees |
stellar parallax measurement
planetary system formation studies |
| gptkbp:orbit_type |
at least one known planet
|
| gptkbp:orbital_period |
approximately 4.5 days
|
| gptkbp:parallax |
0.065 arcsec
|
| gptkbp:performance |
stellar models.
|
| gptkbp:provided |
various astronomical surveys
|
| gptkbp:right_ascension |
17h 20m 12.0s
|
| gptkbp:rotation_period |
approximately 30 days
|
| gptkbp:scientific_classification |
a main-sequence star
|
| gptkbp:semi_major_axis |
0.05 AU
|
| gptkbp:system |
with a companion star
|
| gptkbp:targets |
gptkb:exoplanet
gptkb:future_space_missions |
| gptkbp:type |
K-type main-sequence star
|
| gptkbp:u-b |
+0.4
|
| gptkbp:v-i |
+0.6
|