|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:apparent_magnitude
|
10.5
|
|
gptkbp:average_temperature
|
approximately 3500 K
|
|
gptkbp:contains_star
|
yes
|
|
gptkbp:coordinates
|
l=30°, b=+20°
|
|
gptkbp:discovered_by
|
gptkb:20th_century
|
|
gptkbp:distance_from_earth
|
approximately 200 light years
|
|
gptkbp:exhibition
|
Hipparcos catalog
|
|
gptkbp:has_color
|
1.5
|
|
gptkbp:has_luminosity
|
approximately 0.02 solar luminosities
|
|
gptkbp:has_mechanic
|
0.1 arcseconds/year
|
|
gptkbp:has_radius
|
approximately 0.5 solar radii
|
|
gptkbp:has_spectral_type
|
gptkb:M3
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
B Herculis
|
|
gptkbp:included
|
star catalogs
|
|
gptkbp:is_affected_by
|
gptkb:interstellar_medium
|
|
gptkbp:is_analyzed_in
|
stellar astrophysics research.
|
|
gptkbp:is_associated_with
|
open clusters
|
|
gptkbp:is_known_for
|
its binary nature
its variability in brightness
|
|
gptkbp:is_located_in
|
constellation Hercules
|
|
gptkbp:is_monitored_by
|
professional observatories
|
|
gptkbp:is_noted_for
|
its faintness
|
|
gptkbp:is_observed_in
|
amateur astronomers
telescopes
|
|
gptkbp:is_part_of
|
gptkb:Milky_Way
Hercules constellation family
stellar population II
Hercules constellation group
stellar associations
Hercules constellation region
|
|
gptkbp:is_referenced_in
|
astronomical literature
|
|
gptkbp:is_related_to
|
other variable stars
|
|
gptkbp:is_studied_for
|
stellar dynamics
|
|
gptkbp:is_studied_in
|
astrophysics
|
|
gptkbp:is_used_in
|
stellar evolution studies
|
|
gptkbp:is_visible_from
|
yes
northern hemisphere
|
|
gptkbp:mass
|
approximately 0.5 solar masses
|
|
gptkbp:orbital_period
|
approximately 5.5 days
|
|
gptkbp:redshift
|
0.0
|
|
gptkbp:scientific_classification
|
gptkb:red_dwarf_star
|
|
gptkbp:system
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Hercules_constellation
|
|
gptkbp:bfsLayer
|
5
|