Centaurus A Galaxy

URI: https://gptkb.org/entity/Centaurus_A_Galaxy

GPTKB entity

Statements (106)

Predicate	Object
gptkbp:instance_of	gptkb:galaxy
gptkbp:apparent_magnitude	6.8
gptkbp:body_shape	yes
gptkbp:contains	gptkb:supermassive_black_hole globular clusters
gptkbp:contains_star	gptkb:NGC_5128 over 200 ongoing NGC 5101 about 2 solar masses per year
gptkbp:contains_supermassive_black_hole	Centaurus A black hole
gptkbp:coordinates	RA 13h 25m 27.6s, Dec -43° 01′ 09″
gptkbp:diameter	about 100,000 light-years about 60,000 light-years
gptkbp:discovered_by	gptkb:James_Dunlop
gptkbp:discovery_year	1826
gptkbp:distance_from_earth	about 4 million light-years about 13 million light-years
gptkbp:features	gptkb:supermassive_black_hole
gptkbp:has	gptkb:active_galactic_nucleus gptkb:interstellar_medium X-ray emissions star formation regions multiple satellite galaxies a complex structure dust lanes radio emissions a prominent dust lane
gptkbp:has_color	B-V = 0.9
gptkbp:has_features	starburst activity dust lane c D galaxy
gptkbp:has_historical_significance	important for studying cosmic microwave background radiation one of the closest galaxies to Earth important for studying galaxy interactions important for understanding galaxy formation first galaxy to be identified as a radio source important for studying dark matter effects important for studying star formation processes important for studying supermassive black holes
gptkbp:has_luminosity	about 1.5 trillion solar luminosities
gptkbp:has_radio_lobes	yes
gptkbp:has_spectral_type	S0
gptkbp:has_type	gptkb:radio_station
https://www.w3.org/2000/01/rdf-schema#label	Centaurus A Galaxy
gptkbp:is	a source of gravitational waves a source of gamma-ray emissions a source of cosmic rays a galaxy that has been observed for its stellar populations a candidate for future observations a galaxy that has been studied for its morphology a galaxy that contributes to our understanding of galaxy evolution a galaxy that has been extensively mapped a site of galactic interactions a galaxy that has been observed in multiple wavelengths one of the closest galaxies to Earth a galaxy that has been studied for its chemical composition a galaxy with a significant amount of dark matter a galaxy that has been a subject of public interest a benchmark for galaxy formation theories a galaxy that exhibits peculiar features a galaxy that has a unique position in the sky a galaxy that has been analyzed for its dynamics a galaxy with a rich history of observations a key object in extragalactic astronomy a laboratory for studying black hole physics a prominent feature in the southern sky a prominent galaxy in the southern hemisphere a prominent object in deep-sky surveys a subject of interest for cosmology a subject of many astrophysical models a target for astronomical studies a target for space telescopes associated with the Centaurus constellation often studied in radio astronomy one of the largest galaxies in the local group a galaxy that has a significant role in the study of galaxy clusters a galaxy that has been included in various catalogs a galaxy that has been photographed by amateur astronomers a galaxy that has been used as a reference point in studies. a galaxy that has been featured in many scientific publications
gptkbp:is_observed_in	gptkb:Chandra_X-ray_Observatory gptkb:Hubble_Space_Telescope
gptkbp:is_part_of	gptkb:Local_Group gptkb:Centaurus_group_of_galaxies gptkb:Virgo_Supercluster
gptkbp:is_studied_in	gptkb:cosmology astrophysics galactic astronomy
gptkbp:is_visible_from	yes
gptkbp:known_as	gptkb:NGC_5128
gptkbp:lighting	yes magnitude 6.8 about 22.5 mag/arcsec²
gptkbp:located_in	gptkb:Centaurus_constellation
gptkbp:mass	about 100 billion solar masses about 55 billion solar masses about 55 million solar masses about 100 million solar masses
gptkbp:notable_feature	X-ray emissions multiple globular clusters dust lane large central bulge optical jets
gptkbp:redshift	0.0018
gptkbp:type	gptkb:spiral_galaxy