|
gptkbp:instance_of
|
gptkb:star
|
|
gptkbp:age
|
approximately 11.8 billion years
approximately 138 billion years
|
|
gptkbp:apparent_magnitude
|
6.2
|
|
gptkbp:best_time_to_visit
|
Spring months
|
|
gptkbp:contains
|
variable stars
hundreds of thousands of stars
|
|
gptkbp:contains_star
|
gptkb:Type_II
gptkb:Yes
approximately 300000
over 100,000 stars
many stars
|
|
gptkbp:declination
|
+36° 27′ 36″
+36° 27' 36.0"
36° 27′ 36″
|
|
gptkbp:diameter
|
approximately 145 light years
145 light years
|
|
gptkbp:discovered_by
|
gptkb:Carlo_Emilio_Bonifacio
gptkb:Edmond_Halley
|
|
gptkbp:discovery_year
|
1714
|
|
gptkbp:distance_from_earth
|
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_radius
|
about 4.5 arcminutes
about 2.5 arcminutes
|
|
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
|
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_studied_in
|
gptkb:astronomy
|
|
gptkbp:is_visible_from
|
gptkb:Northern_Hemisphere
naked eye
|
|
gptkbp:known_as
|
gptkb:NGC_6205
|
|
gptkbp:located_in
|
gptkb:Hercules_constellation
|
|
gptkbp:mass
|
approximately 1 million solar masses
|
|
gptkbp:metallicity
|
-1.5
[ Fe/ H] = -1.5
|
|
gptkbp:popular_name
|
gptkb:Hercules_Cluster
|
|
gptkbp:population_density
|
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:bfsParent
|
gptkb:Hercules
|
|
gptkbp:bfsLayer
|
4
|