M13

GPTKB entity

Statements (61)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:bfsLayer 3
gptkbp:bfsParent gptkb:Globular_Clusters
gptkb:mythological_figure
gptkbp:age approximately 11.8 billion years
approximately 138 billion years
gptkbp:apparent_magnitude 6.2
gptkbp:area about 4.5 arcminutes
about 2.5 arcminutes
gptkbp:best_time_to_visit Spring months
gptkbp:contains gptkb:Type_II
gptkb:battle
variable stars
approximately 300000
hundreds of thousands of stars
over 100,000 stars
many stars
gptkbp:declination +36° 27′ 36″
+36° 27' 36.0"
36° 27′ 36″
gptkbp:depicted_in gptkb:Northern_Hemisphere
naked eye
gptkbp:diameter approximately 145 light years
145 light years
gptkbp:discovered_by gptkb:Carlo_Emilio_Bonifacio
gptkb:Edmond_Halley
gptkbp:distance 25000 light years
approximately 25,000 light years
gptkbp:exhibition gptkb:Messier_13
gptkb:Messier_catalog
gptkb:NGC_6205
New General Catalogue (NGC)
gptkbp:has metallicity of -1.6
gptkbp:has_color 0.9
B-V = 0.9
gptkbp:has_spectral_type gptkb:G
https://www.w3.org/2000/01/rdf-schema#label M13
gptkbp:image gptkb:1957
gptkbp:is_a deep-sky object
gptkbp:is_known_for gptkb:NGC_6205
its bright core
gptkbp:is_located_near the Great Hercules Cluster
gptkbp:is_observed_in gptkb:Charles_Messier
gptkb:Hubble_Space_Telescope
gptkb:William_Herschel
gptkbp:is_part_of gptkb:Hercules_constellation
gptkb:Milky_Way_Galaxy
gptkb:Milky_Way_galaxy
gptkbp:is_popular_in gptkb:Hercules_Cluster
gptkbp:is_studied_in gptkb:observatory
gptkbp:located_in gptkb:Hercules_constellation
gptkbp:mass approximately 1 million solar masses
gptkbp:metallicity -1.5
[ Fe/ H] = -1.5
gptkbp:population high
gptkbp:right_ascension 16h 41m 41.35s
gptkbp:type gptkb:Population_II_cluster
gptkb:star
Type II globular cluster
gptkbp:type_of gptkb:star
gptkbp:year_created 1714