|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
1 billion years
|
|
gptkbp:apparent_magnitude
|
5.24
4.73
|
|
gptkbp:average_temperature
|
approximately 4,600 K
|
|
gptkbp:distance
|
5.5
|
|
gptkbp:distance_from_earth
|
16.5 light years
|
|
gptkbp:exhibition
|
the Hipparcos catalog
|
|
gptkbp:has_a_color_index_(b-v)_of
|
+1.5
|
|
gptkbp:has_a_proper_motion_in_declination_of
|
-0.15 arcseconds/year
|
|
gptkbp:has_a_proper_motion_in_right_ascension_of
|
-0.12 arcseconds/year
|
|
gptkbp:has_a_rotational_velocity_of
|
about 2 km/s
|
|
gptkbp:has_bayer_designation
|
b Ophiuchi
|
|
gptkbp:has_color
|
+1.06
|
|
gptkbp:has_henry_draper_designation
|
gptkb:HD_149404
|
|
gptkbp:has_luminosity
|
about 50 times that of the Sun
about 500 times that of the Sun
|
|
gptkbp:has_mechanic
|
-0.020 arcseconds/year
-0.045 arcseconds/year
|
|
gptkbp:has_radius
|
about 40 times that of the Sun
about 10 solar radii
|
|
gptkbp:has_spectral_type
|
gptkb:K3_III
gptkb:K0_III
|
|
gptkbp:has_title
|
HIP 81080
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
89 Ophiuchi
|
|
gptkbp:included
|
SIMBAD astronomical database
|
|
gptkbp:is_a
|
gptkb:Giant
|
|
gptkbp:is_a_member_of
|
solar neighborhood
|
|
gptkbp:is_a_reference_for
|
stellar distance measurements
|
|
gptkbp:is_a_source_of
|
stellar wind
|
|
gptkbp:is_a_subject_of
|
astrophysics research
|
|
gptkbp:is_approximately
|
16.5 light years away from Earth
|
|
gptkbp:is_associated_with
|
Ophiuchus star cluster
Galactic coordinates (l, b) of (350°, -10°)
|
|
gptkbp:is_known_for
|
stellar variability
|
|
gptkbp:is_located_in
|
gptkb:Galactic_Halo
constellation Ophiuchus
|
|
gptkbp:is_located_near
|
16.5 light years from Earth
|
|
gptkbp:is_observed_in
|
gptkb:the_Hubble_Space_Telescope
|
|
gptkbp:is_part_of
|
gptkb:Hertzsprung-Russell_diagram
gptkb:Milky_Way_Galaxy
gptkb:Milky_Way_galaxy
Galactic disk
constellation Ophiuchus
local stellar population
Ophiuchus constellation's mythology
Ophiuchus constellation group
|
|
gptkbp:is_studied_in
|
stellar nucleosynthesis
|
|
gptkbp:is_visible_from
|
gptkb:true
|
|
gptkbp:known_as
|
gptkb:HR_6883
|
|
gptkbp:mass
|
about 2.5 solar masses
approximately 3.5 times that of the Sun
|
|
gptkbp:metallicity
|
approximately -0.2 dex
|
|
gptkbp:notable_nominees
|
exoplanet studies
|
|
gptkbp:number
|
gptkb:Gliese_1003
|
|
gptkbp:scientific_classification
|
gptkb:Giant
|
|
gptkbp:system
|
gptkb:true
|
|
gptkbp:targets
|
gptkb:future_space_missions
stellar evolution studies
|
|
gptkbp:type_of
|
K-type giant star
|