|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
1 billion years
approximately 1 billion years
|
|
gptkbp:apparent_magnitude
|
4.5
4.67
|
|
gptkbp:average_temperature
|
approximately 3,800 K
approximately 4,500 K
|
|
gptkbp:constellation
|
gptkb:Ophiuchus
|
|
gptkbp:contains_star
|
no
91 Ophiuchi B
|
|
gptkbp:coordinates
|
l = 25.0°, b = -10.0°
|
|
gptkbp:distance
|
approximately 80 light years
|
|
gptkbp:distance_from_earth
|
approximately 130 light years
|
|
gptkbp:exhibition
|
Hipparcos catalog
|
|
gptkbp:has_bayer_designation
|
β Ophiuchi
|
|
gptkbp:has_brightness_variation
|
no
|
|
gptkbp:has_color
|
1.5
1.45
|
|
gptkbp:has_distance_in_parsecs
|
approximately 40 parsecs
|
|
gptkbp:has_henry_draper_designation
|
HD 164816
|
|
gptkbp:has_historical_significance
|
notable in ancient astronomy
|
|
gptkbp:has_lore
|
yes
|
|
gptkbp:has_luminosity
|
approximately 1,000 times that of the Sun
approximately 100 times that of the Sun
|
|
gptkbp:has_mechanic
|
-0.01 arcseconds/year
-0.020 mas/yr
-0.02 arcseconds/year
-0.045 mas/yr
|
|
gptkbp:has_radius
|
approximately 12 times that of the Sun
approximately 60 times that of the Sun
|
|
gptkbp:has_spectral_type
|
gptkb:K3_III
M0 III
|
|
gptkbp:has_title
|
gptkb:HR_6883
HD 164595
HIP 88329
ADS 10357
BD+05° 4080
CPD-05° 1030
GC 19834
LTT 14459
SAO 140198
WDS J17156-0510 B
FK5 1033
|
|
gptkbp:has_visibility_period
|
year-round in the tropics
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
91 Ophiuchi
|
|
gptkbp:impact
|
yes
|
|
gptkbp:is_associated_with
|
gptkb:exoplanet
|
|
gptkbp:is_included_in_astronomical_databases
|
yes
|
|
gptkbp:is_included_in_astronomical_publications
|
yes
|
|
gptkbp:is_included_in_star_catalogs
|
yes
|
|
gptkbp:is_included_in_star_charts
|
yes
|
|
gptkbp:is_involved_in
|
stellar evolution
|
|
gptkbp:is_located_in
|
gptkb:Galactic_Halo
constellation Ophiuchus
|
|
gptkbp:is_mentioned_in_literature
|
yes
|
|
gptkbp:is_noted_for
|
its brightness
its color
its role in navigation
its historical observations
its binary nature
its position in the sky
its distance from Earth
|
|
gptkbp:is_observed_in
|
infrared spectrum
|
|
gptkbp:is_observed_in_infrared_wavelengths
|
yes
|
|
gptkbp:is_observed_in_optical_wavelengths
|
yes
|
|
gptkbp:is_observed_in_radio_wavelengths
|
no
|
|
gptkbp:is_observed_in_ultraviolet_wavelengths
|
no
|
|
gptkbp:is_part_of
|
gptkb:Milky_Way_Galaxy
gptkb:Milky_Way_galaxy
constellation Ophiuchus
stellar population II
|
|
gptkbp:is_part_of_astronomical_community
|
yes
|
|
gptkbp:is_part_of_astronomical_observations
|
yes
|
|
gptkbp:is_part_of_astronomical_research_projects
|
yes
|
|
gptkbp:is_part_of_astronomical_surveys
|
yes
|
|
gptkbp:is_part_of_astrophysical_models
|
yes
|
|
gptkbp:is_part_of_star_catalog
|
yes
|
|
gptkbp:is_part_of_star_formation_region
|
no
|
|
gptkbp:is_referenced_in_astronomy_courses
|
yes
|
|
gptkbp:is_studied_for_exoplanet_searches
|
no
|
|
gptkbp:is_studied_for_stellar_evolution
|
yes
|
|
gptkbp:is_studied_in
|
astrophysics
|
|
gptkbp:is_used_in
|
stellar classification
|
|
gptkbp:is_used_in_astrology
|
yes
|
|
gptkbp:is_used_in_astronomical_research
|
yes
|
|
gptkbp:is_used_in_educational_materials
|
yes
|
|
gptkbp:is_visible_from
|
gptkb:true
yes
northern hemisphere
|
|
gptkbp:is_visible_in_northern_hemisphere
|
yes
|
|
gptkbp:is_visible_in_southern_hemisphere
|
yes
|
|
gptkbp:language
|
gptkb:Beta_Ophiuchi
|
|
gptkbp:metallicity
|
-0.5 dex
|
|
gptkbp:navigation_system
|
no
|
|
gptkbp:number
|
Gl 123.1
|
|
gptkbp:parallax
|
0.025 arcseconds
|
|
gptkbp:rotation_period
|
gptkb:unknown
|
|
gptkbp:speed
|
-12.5 km/s
|
|
gptkbp:system
|
gptkb:true
no
|
|
gptkbp:type_of
|
gptkb:Giant
red giant
|