Statements (60)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:galaxy
|
gptkbp:contains_star |
gptkb:NGC_404
active star formation regions approximately 40 billion stars contains many globular clusters |
gptkbp:coordinates |
contains a supermassive black hole
|
gptkbp:diameter |
approximately 60,000 light-years
|
gptkbp:discovered_by |
gptkb:William_Herschel
|
gptkbp:distance_from_earth |
approximately 2.73 million light-years
|
gptkbp:has_arm_structure |
has multiple spiral arms
|
gptkbp:has_color |
B-V = 0.65
|
gptkbp:has_galactic_rotation |
rotates around its center
|
gptkbp:has_historical_significance |
one of the closest galaxies to Earth
|
gptkbp:has_notable_regions |
the star-forming region NGC 604
|
gptkbp:has_spectral_type |
SABc
|
gptkbp:has_supernova |
observed supernova SN 2011dh
|
https://www.w3.org/2000/01/rdf-schema#label |
the Triangulum Galaxy
|
gptkbp:is_associated_with |
gptkb:the_Andromeda_Galaxy
|
gptkbp:is_home_to |
various nebulae
various types of stars various stellar populations many young stars |
gptkbp:is_known_for |
its bright appearance
its rich star formation history its low surface brightness. |
gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
various wavelengths ground-based telescopes |
gptkbp:is_part_of |
the Virgo Supercluster
the cosmic web the study of galaxy evolution the Local Group of galaxies the study of galaxy interactions the Local Volume the Local Group's dynamics the study of galactic morphology |
gptkbp:is_studied_for |
galaxy formation and evolution
its dark matter content its chemical composition |
gptkbp:is_studied_in |
gptkb:astronomy
|
gptkbp:is_used_in |
galaxy classification studies
|
gptkbp:is_visible_from |
the northern hemisphere
with binoculars the constellation Triangulum |
gptkbp:known_as |
gptkb:Messier_33
|
gptkbp:lighting |
approximately 23.5 mag/arcsec²
|
gptkbp:located_in |
gptkb:the_Local_Group
|
gptkbp:mass |
approximately 1.5 × 10^11 solar masses
|
gptkbp:notable_feature |
the Triangulum II dwarf galaxy
the presence of blue supergiants |
gptkbp:notable_galaxies |
contains a bar structure
|
gptkbp:notable_products |
the Triangulum Galaxy's nucleus
|
gptkbp:orbit_type |
several H II regions
|
gptkbp:population_density |
higher in the core
|
gptkbp:redshift |
approximately 0.0011
|
gptkbp:type |
gptkb:spiral_galaxy
|
gptkbp:bfsParent |
gptkb:Andromeda
gptkb:the_Milky_Way_Galaxy gptkb:Milky_Way_Galaxy |
gptkbp:bfsLayer |
5
|