Statements (70)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 3 billion years
4 billion years |
| gptkbp:apparent_magnitude |
5.25
|
| gptkbp:average_temperature |
approximately 4,800 K
approximately 5,800 K |
| gptkbp:constellation |
gptkb:Ursa_Major
|
| gptkbp:contains_star |
none known
|
| gptkbp:coordinates |
l = 150°, b = 30°
approximately 150 degrees approximately +60 degrees l = 120.5°, b = +30.2° |
| gptkbp:country |
gptkb:90_Ursae_Majoris_b
|
| gptkbp:discovered_by |
gptkb:2000
|
| gptkbp:discovery_year |
gptkb:unknown
|
| gptkbp:distance |
approximately 80 light years
5.5 mag |
| gptkbp:distance_from_earth |
50 light years
|
| gptkbp:exhibition |
various star catalogs
HR 3960 |
| gptkbp:has_a_brightness |
6.0 magnitude
|
| gptkbp:has_a_rotational_axis |
tilted
|
| gptkbp:has_bayer_designation |
g Ursae Majoris
|
| gptkbp:has_color |
+1.25
B-V = 0.6 |
| gptkbp:has_companion |
none known
|
| gptkbp:has_field |
weak
|
| gptkbp:has_henry_draper_designation |
HD 84937
|
| gptkbp:has_luminosity |
approximately 50 solar luminosities
1.3 solar luminosities |
| gptkbp:has_mechanic |
0.1 arcseconds/year
-0.045 arcseconds/year +0.005 arcseconds/year |
| gptkbp:has_radius |
approximately 10 solar radii
1.1 solar radii |
| gptkbp:has_role |
stellar classification research
|
| gptkbp:has_spectral_type |
K1 III
G5 V |
| gptkbp:has_title |
HIP 48243
|
| gptkbp:hosts |
Earth-like planets
|
| https://www.w3.org/2000/01/rdf-schema#label |
90 Ursae Majoris
|
| gptkbp:is_a_member_of |
the solar neighborhood
|
| gptkbp:is_a_reference_for |
stellar distance measurements
|
| gptkbp:is_a_source_of |
stellar wind
|
| gptkbp:is_a_subject_of |
stellar evolution studies
|
| gptkbp:is_analyzed_in |
stellar activity
|
| gptkbp:is_approximately |
50 light years away
|
| gptkbp:is_associated_with |
the Ursa Major moving group
|
| gptkbp:is_located_in |
Ursa Major constellation
|
| gptkbp:is_observed_in |
infrared wavelengths
|
| gptkbp:is_part_of |
gptkb:Hertzsprung-Russell_diagram
gptkb:the_Milky_Way_galaxy Galactic disk local stellar population |
| gptkbp:is_studied_in |
various telescopes
|
| gptkbp:is_visible_from |
gptkb:true
visible to the naked eye |
| gptkbp:mass |
1.1 solar masses
approximately 2.5 solar masses |
| gptkbp:metallicity |
[ Fe/ H] = 0.1
[ Fe/ H] = +0.1 |
| gptkbp:notable_nominees |
planetary system formation studies
habitable zone studies |
| gptkbp:parallax |
0.065 arcseconds
|
| gptkbp:rotation_period |
approximately 26 days
approximately 30 days |
| gptkbp:scientific_classification |
solar-type star
|
| gptkbp:system |
false
|
| gptkbp:targets |
gptkb:exoplanet
|
| gptkbp:type_of |
gptkb:main-sequence_star
|