Statements (75)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:M4
|
| gptkbp:age |
gptkb:the_Sun
approximately 13 billion years approximately 12 billion years |
| gptkbp:apparent_magnitude |
6.1
6.4 |
| gptkbp:area |
about 1.5 arcminutes
about 3.5 arcminutes |
| gptkbp:contains |
gptkb:white_dwarf_stars
gptkb:battle variable stars red giant stars hundreds of thousands of stars type II approximately 100,000 stars |
| gptkbp:declination |
-26° 24' 36"
-26° 24' 00" |
| gptkbp:depicted_in |
gptkb:physicist
gptkb:sneaker gptkb:Scorpius_constellation clear nights small telescopes |
| gptkbp:diameter |
12 arcminutes
approximately 75 light years |
| gptkbp:discovered_by |
gptkb:James_Dunlop
|
| gptkbp:distance |
approximately 13,000 light years
approximately 7,200 light years |
| gptkbp:exhibition |
gptkb:New_General_Catalogue
|
| gptkbp:first_appearance |
gptkb:Jean_Philippe_Loys_de_Chéseaux
|
| gptkbp:has_color |
1.0
0.83 |
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 6121
|
| gptkbp:is_a |
gptkb:observatory
gptkb:star |
| gptkbp:is_associated_with |
gptkb:nebula
the Galactic center the Milky Way halo |
| gptkbp:is_considered |
one of the closest globular clusters
|
| gptkbp:is_known_for |
gptkb:M4
its bright core its high density of stars |
| gptkbp:is_located_near |
the center of the Milky Way
|
| gptkbp:is_noted_for |
its rich star field
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
various wavelengths photometry studies |
| gptkbp:is_part_of |
gptkb:Galactic_Halo
gptkb:Milky_Way's_globular_cluster_system gptkb:Milky_Way_galaxy the Milky Way's globular cluster system the Galactic bulge the Scorpius constellation |
| gptkbp:is_popular_in |
amateur astronomers
|
| gptkbp:is_studied_in |
stellar evolution
stellar populations |
| gptkbp:is_used_for |
astrophysical research
|
| gptkbp:is_used_in |
astrophysics research
stellar dynamics studies |
| gptkbp:located_in |
gptkb:Milky_Way
constellation Scorpius right ascension 16h 22m 36s, declination -26° 24' 36" Galactic coordinates (l, b): (348.5°, -16.2°) |
| gptkbp:mass |
approximately 500,000 solar masses
|
| gptkbp:metallicity |
[ Fe/ H] = -1.16
-1.0 dex |
| gptkbp:notable_for |
its proximity to Earth
|
| gptkbp:population |
high
|
| gptkbp:right_ascension |
16h 22m 36s
16h 22m 30s |
| gptkbp:scientific_classification |
gptkb:item
|
| gptkbp:type |
gptkb:Population_II_star_cluster
gptkb:star |
| gptkbp:year_created |
1826
|