|
gptkbp:instance_of
|
gptkb:galaxy
gptkb:star
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:Lyra
gptkb:NGC_6744
|
|
gptkbp:age
|
approximately 12 billion years
|
|
gptkbp:apparent_magnitude
|
12.0
|
|
gptkbp:area
|
approximately 1.5 arcminutes
approximately 3.0 arcminutes
|
|
gptkbp:associated_with
|
constellation Lyra
|
|
gptkbp:base
|
often studied for its stellar population.
|
|
gptkbp:contains
|
variable stars
red giants
blue stragglers
|
|
gptkbp:coordinates
|
19h 06m 00s, +30° 36′ 00″
|
|
gptkbp:declination
|
+30° 36′ 00″
|
|
gptkbp:depicted_in
|
gptkb:physicist
|
|
gptkbp:diameter
|
approximately 10 arcminutes
|
|
gptkbp:discovered_by
|
gptkb:William_Herschel
|
|
gptkbp:distance
|
approximately 30,000 light-years
|
|
gptkbp:exhibition
|
gptkb:New_General_Catalogue
|
|
gptkbp:has_ability
|
c = 1.5
|
|
gptkbp:has_color
|
B-V = 0.9
V-I = 1.2
|
|
gptkbp:has_spectral_type
|
various types
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 6745
|
|
gptkbp:image
|
Hubble Space Telescope image available
|
|
gptkbp:is_located_near
|
gptkb:M57_(Ring_Nebula)
gptkb:NGC_6752
|
|
gptkbp:is_part_of
|
gptkb:Lyra
gptkb:Local_Group
Milky Way halo
|
|
gptkbp:is_similar_to
|
other globular clusters like M13
|
|
gptkbp:is_studied_in
|
stellar dynamics
stellar evolution
galactic archaeology
|
|
gptkbp:lighting
|
approximately 20.5 mag/arcsec²
|
|
gptkbp:located_in
|
gptkb:Milky_Way
|
|
gptkbp:mass
|
approximately 100,000 solar masses
|
|
gptkbp:metallicity
|
[ Fe/ H] = -1.5
|
|
gptkbp:right_ascension
|
19h 06m 00s
|
|
gptkbp:type
|
gptkb:star
|
|
gptkbp:year_created
|
1784
|