|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
5 billion years
|
|
gptkbp:apparent_magnitude
|
4.83
5.25
|
|
gptkbp:average_temperature
|
approximately 4,800 K
|
|
gptkbp:conducts_research_on
|
stellar dynamics
stellar formation processes
|
|
gptkbp:contains_star
|
98 Ophiuchi B
|
|
gptkbp:declination
|
-24° 22' 00"
|
|
gptkbp:discovered_by
|
the 19th century
|
|
gptkbp:distance
|
5.5 mag
|
|
gptkbp:has_a_focus_on
|
stellar population studies
|
|
gptkbp:has_color
|
+1.45
+1.0
|
|
gptkbp:has_luminosity
|
0.4 solar luminosities
|
|
gptkbp:has_mechanic
|
0.5 arcseconds/year
|
|
gptkbp:has_radius
|
approximately 12 solar radii
0.75 solar radii
|
|
gptkbp:has_spectral_type
|
gptkb:K3_III
K3 V
|
|
gptkbp:hosts
|
planetary systems
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
98 Ophiuchi
|
|
gptkbp:included
|
various star catalogs
|
|
gptkbp:is_a
|
gptkb:Giant
|
|
gptkbp:is_a_candidate_for_studies_of
|
stellar rotation rates
|
|
gptkbp:is_a_member_of
|
the Solar Neighborhood
|
|
gptkbp:is_a_part_of_the_investigation_of
|
stellar chemical composition.
|
|
gptkbp:is_a_part_of_the_research_on
|
stellar magnetic fields
|
|
gptkbp:is_a_reference_for
|
stellar distance measurements
|
|
gptkbp:is_a_source_of
|
stellar wind
|
|
gptkbp:is_a_subject_of
|
exoplanetary science
astrophysical studies
|
|
gptkbp:is_a_target_for_studies_of
|
stellar atmospheres
|
|
gptkbp:is_analyzed_in
|
spectroscopy techniques
|
|
gptkbp:is_approximately
|
16.5 light years away
|
|
gptkbp:is_associated_with
|
the Ophiuchus constellation
|
|
gptkbp:is_included_in_the_list_of
|
bright stars
|
|
gptkbp:is_involved_in
|
astrophysical modeling
|
|
gptkbp:is_known_for
|
its binary nature
|
|
gptkbp:is_known_to
|
stellar companions
|
|
gptkbp:is_located_at
|
distance of 50 light years
|
|
gptkbp:is_located_in
|
constellation Ophiuchus
|
|
gptkbp:is_observed_in
|
ground-based telescopes
|
|
gptkbp:is_part_of
|
gptkb:Hertzsprung-Russell_diagram
gptkb:the_Milky_Way_galaxy
constellation Ophiuchus
local stellar population
Ophiuchus star cluster
IC 4603 association
|
|
gptkbp:is_part_of_the_catalog_of
|
nearby stars
|
|
gptkbp:is_referenced_in
|
astronomical literature
|
|
gptkbp:is_studied_in
|
stellar evolution research
|
|
gptkbp:is_visible_from
|
gptkb:true
yes
|
|
gptkbp:mass
|
approximately 2.5 solar masses
0.8 solar masses
|
|
gptkbp:metallicity
|
-0.2 dex
|
|
gptkbp:notable_nominees
|
habitable zone planets
stellar activity studies
|
|
gptkbp:parallax
|
0.198 arcseconds
|
|
gptkbp:right_ascension
|
17h 24m 12s
|
|
gptkbp:rotation_period
|
approximately 30 days
|
|
gptkbp:scientific_classification
|
a main-sequence star
K-type stars
|
|
gptkbp:system
|
gptkb:true
|
|
gptkbp:targets
|
exoplanet searches
|