Statements (61)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
5 billion years
|
| gptkbp:apparent_magnitude |
5.5
5.25 |
| gptkbp:average_temperature |
approximately 5,800 K
|
| gptkbp:contains_star |
none known
|
| gptkbp:coordinates |
+60 degrees
+150 degrees |
| gptkbp:country |
gptkb:99_Ursae_Majoris_b
with multiple planets |
| gptkbp:discovered_by |
gptkb:2000
|
| gptkbp:distance |
approximately 50 light years
5.5 magnitudes |
| gptkbp:has_a_focus_on |
astrophysical research
|
| gptkbp:has_a_rotation_axis |
tilted relative to the ecliptic
|
| gptkbp:has_color |
B-V = 0.65
+1.25 |
| gptkbp:has_field |
weak
|
| gptkbp:has_luminosity |
1.5 solar luminosities
approximately 50 times that of the Sun |
| gptkbp:has_mechanic |
-0.12 arcseconds/year
-0.15 arcseconds/year 0.25 arcseconds/year |
| gptkbp:has_radius |
approximately 10 solar radii
1.2 solar radii |
| gptkbp:has_spectral_type |
K1 III
G5 V |
| gptkbp:has_title |
99 UMa
|
| gptkbp:hosts |
Earth-like planets
|
| https://www.w3.org/2000/01/rdf-schema#label |
99 Ursae Majoris
|
| gptkbp:included |
the SIMBAD database
|
| gptkbp:is_a |
gptkb:Giant
|
| gptkbp:is_a_member_of |
the Galactic disk
|
| gptkbp:is_a_reference_for |
stellar classification.
|
| gptkbp:is_a_source_of |
stellar wind
|
| gptkbp:is_a_subject_of |
stellar evolution studies
|
| gptkbp:is_approximately |
50 light years away from Earth
|
| gptkbp:is_associated_with |
the Ursa Major moving group
|
| gptkbp:is_located_in |
gptkb:Milky_Way_galaxy
Ursa Major constellation |
| gptkbp:is_observed_in |
gptkb:the_Kepler_space_telescope
|
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
multiple star system Ursa Major constellation the Hipparcos catalog the solar neighborhood the Luyten 726-8 system the NASA Exoplanet Archive |
| gptkbp:is_studied_in |
various telescopes
|
| gptkbp:is_visible_from |
gptkb:Earth
with the naked eye |
| gptkbp:mass |
1.1 solar masses
approximately 2.5 solar masses |
| gptkbp:metallicity |
[ Fe/ H] = 0.1
|
| gptkbp:notable_nominees |
habitable zone planets
planetary transit observations |
| gptkbp:parallax |
0.065 arcseconds
|
| gptkbp:rotation_period |
approximately 26 days
|
| gptkbp:scientific_classification |
a main-sequence star
|
| gptkbp:targets |
gptkb:future_space_missions
exoplanet studies |