Statements (159)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:military_vehicles
gptkb:series gptkb:tank gptkb:star |
gptkbp:age |
approximately 13 billion years
approximately 12.2 billion years |
gptkbp:apparent_magnitude |
5.4
yes 6.4 5.8 |
gptkbp:armament |
75 mm gun
|
gptkbp:armor |
75 mm
|
gptkbp:associated_with |
gptkb:Scorpius_constellation
|
gptkbp:climbing_ability |
60% slope
|
gptkbp:combat_history |
gptkb:Korean_War
gptkb:Vietnam_War gptkb:World_War_II |
gptkbp:composed_of |
metal-poor stars
|
gptkbp:contains |
millions of stars
|
gptkbp:contains_star |
yes
type II |
gptkbp:coordinates |
l = 348.5°, b = -16.2°
|
gptkbp:country_of_origin |
gptkb:United_States
|
gptkbp:crew |
gptkb:5
|
gptkbp:declination |
-26° 31′ 32″
|
gptkbp:decommissioned |
gptkb:1973
|
gptkbp:depth |
1.2 m
|
gptkbp:design_date |
gptkb:1940
|
gptkbp:discovered_by |
gptkb:Jean_Philippe_Loys_de_Chéseaux
gptkb:Jean-Philippe_Loys_de_Chéseaux |
gptkbp:discovery_year |
gptkb:1764
1746 |
gptkbp:distance_from_earth |
approximately 7,200 light years
7,200 light years |
gptkbp:engine |
gptkb:Continental_R975
|
gptkbp:engine_power |
400 hp
|
gptkbp:exhibition |
gptkb:Messier_catalog
gptkb:NGC_6121 |
gptkbp:first_globular_cluster |
to be discovered to contain a pulsar
to be studied spectroscopically |
gptkbp:fuel_capacity |
400 liters
|
gptkbp:has |
a tidal radius of about 30 arcminutes
a core radius of about 1.5 arcminutes a central concentration of stars a half-light radius of about 3.5 arcminutes a low density of stars in the outer regions a metallicity of -1.16 |
gptkbp:has_color |
B-V = 0.9
|
gptkbp:has_function |
core collapse cluster
|
gptkbp:has_globular_cluster_radius |
about 75 light years
|
gptkbp:has_historical_significance |
one of the first globular clusters discovered
|
gptkbp:has_luminosity |
approximately 1.5 million solar luminosities
|
gptkbp:has_mass_function |
flat mass function
|
gptkbp:has_mechanic |
dynamically relaxed
|
gptkbp:has_observational_data |
Hubble Space Telescope images
|
gptkbp:has_radius |
about 4.5 arcminutes
about 2.5 arcminutes |
gptkbp:has_spectral_type |
varies among stars
|
gptkbp:has_star_counts |
over 100,000 stars
|
gptkbp:has_stellar_density |
high density
|
gptkbp:has_supernova |
no
|
gptkbp:has_tidal_radius |
about 20 light years
|
gptkbp:has_xray_binaries |
yes
|
gptkbp:height |
2.4 m
|
https://www.w3.org/2000/01/rdf-schema#label |
M4
|
gptkbp:introduced |
gptkb:1942
|
gptkbp:is |
visible to the naked eye
a popular target for amateur astronomers a cluster that has been studied for its chemical composition a source of X-ray binaries a subject of numerous scientific papers often studied in relation to stellar evolution a part of the Local Group of galaxies a part of the Milky Way's globular cluster system a subject of historical astronomical observations a target for astronomical studies a cluster that has been analyzed for its stellar populations a cluster that has been observed for its variable stars a cluster that has been observed in various astronomical surveys a cluster that has been used to study the formation of stars. a cluster that has been studied using various wavelengths of light a benchmark for stellar population studies a candidate for studying dark matter effects a cluster that has been imaged in deep-sky surveys a cluster that has been observed for centuries a cluster with a rich history in astronomy a location for studying stellar dynamics a member of the class of globular clusters a potential site for studying primordial stars a site for potential exoplanet discovery a site of interest for gravitational wave studies a site of stellar collisions a source of information about the early universe a subject of research in astrophysics a target for Hubble Space Telescope observations a cluster that has been used to study the dynamics of globular clusters associated with the Galactic bulge often compared to other globular clusters often imaged by telescopes one of the closest globular clusters to Earth part of the Milky Way halo a cluster that has been used to test theories of stellar evolution a cluster that contributes to our understanding of galaxy formation a location for potential future astronomical missions |
gptkbp:is_part_of |
gptkb:Milky_Way_galaxy
|
gptkbp:length |
6.27 m
|
gptkbp:lighting |
high
|
gptkbp:located_in |
gptkb:Scorpius_constellation
gptkb:Milky_Way gptkb:Milky_Way_Galaxy |
gptkbp:manufacturer |
gptkb:General_Motors
|
gptkbp:mass |
old stars
approximately 400,000 solar masses |
gptkbp:metallicity |
-1.2
[ Fe/ H] = -1.0 |
gptkbp:nickname |
gptkb:Sherman
|
gptkbp:notable_feature |
contains a large number of binary stars
contains a pulsar (PSR B1620-26) |
gptkbp:number_built |
over 49000
|
gptkbp:orbit_type |
no
|
gptkbp:originated_in |
evolved over billions of years
|
gptkbp:primary_role |
gptkb:starship
infantry support |
gptkbp:produced_by |
gptkb:United_States
|
gptkbp:production_location |
gptkb:Canada
gptkb:United_Kingdom |
gptkbp:production_years |
1942-1945
|
gptkbp:range |
160 km
|
gptkbp:research |
visible to the naked eye
|
gptkbp:research_importance |
study of stellar evolution
|
gptkbp:right_ascension |
16h 23m 35.0s
|
gptkbp:service_frequency |
1942-1957
|
gptkbp:ski_school |
2.4 m
|
gptkbp:speed |
40 km/h
|
gptkbp:successor |
gptkb:M1_Abrams
gptkb:M60_Patton |
gptkbp:suspension |
vertical volute spring
|
gptkbp:transmission |
gptkb:manual
|
gptkbp:type |
gptkb:Population_II_cluster
gptkb:Population_II_star_cluster gptkb:tank gptkb:star metal-poor globular cluster |
gptkbp:used_by |
gptkb:Allied_forces
gptkb:United_States_Army |
gptkbp:used_in |
gptkb:Cold_War
NATO operations Middle East conflicts |
gptkbp:variant |
gptkb:M4_A1
gptkb:M4_A2 gptkb:M4_A3 gptkb:M4_A4 |
gptkbp:weight |
30 tons
|
gptkbp:width |
3.2 m
|
gptkbp:bfsParent |
gptkb:crypt
gptkb:Enigma gptkb:BMW gptkb:M25_motorway |
gptkbp:bfsLayer |
4
|