|
gptkbp:instance_of
|
gptkb:galaxy
gptkb:radio_station
gptkb:star
|
|
gptkbp:apparent_magnitude
|
-22.0
|
|
gptkbp:associated_with
|
gptkb:supermassive_black_hole
|
|
gptkbp:average_temperature
|
very low
|
|
gptkbp:body_shape
|
yes
active nucleus
|
|
gptkbp:conducts_research_on
|
galaxy formation
galaxy mergers
|
|
gptkbp:contains
|
gptkb:M87
gptkb:supermassive_black_hole
M87* (black hole)
|
|
gptkbp:contains_star
|
over 12,000
very low
low level
|
|
gptkbp:diameter
|
about 120,000 light-years
120,000 light years
about 120,000 light years
|
|
gptkbp:discovered_by
|
gptkb:Heber_Curtis
gptkb:William_Herschel
gptkb:Heinrich_Louis_d'_Arrest
|
|
gptkbp:distance_from_earth
|
53.5 million light years
approximately 53 million light-years
approximately 53 million light years
|
|
gptkbp:element
|
black hole research
|
|
gptkbp:emissions_standard
|
yes
radio waves
|
|
gptkbp:first_appearance
|
1918
the 1780s
|
|
gptkbp:first_image_taken_by
|
gptkb:Event_Horizon_Telescope
|
|
gptkbp:governed_by
|
giant elliptical galaxies
|
|
gptkbp:has_color
|
B-V = 0.9
B-V = 0.95
|
|
gptkbp:has_features
|
elliptical shape
|
|
gptkbp:has_historical_significance
|
yes
first radio source identified
|
|
gptkbp:has_luminosity
|
about 2.5 trillion solar luminosities
2.5 × 10^12 L☉
about 10^12 L☉
|
|
gptkbp:has_mass_to_light_ratio
|
about 10
|
|
gptkbp:has_optical_counterpart
|
yes
|
|
gptkbp:has_spectral_type
|
E0-1
E1-2
S0 galaxy
|
|
gptkbp:has_type
|
gptkb:spiral_galaxy
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Virgo A
|
|
gptkbp:image
|
April 10, 2019
|
|
gptkbp:included
|
Hubble Space Telescope observations
|
|
gptkbp:is_a
|
gptkb:radio_station
giant elliptical galaxy
|
|
gptkbp:is_akey_focus_for
|
high-energy astrophysics
|
|
gptkbp:is_approximately
|
50 million light-years away
|
|
gptkbp:is_associated_with
|
gptkb:active_galactic_nucleus
gptkb:dark_matter
gptkb:radio_station
X-ray emissions
galactic interactions
galactic jets
M87* (black hole)
Fermi gamma-ray source
|
|
gptkbp:is_considered
|
one of the most studied galaxies
|
|
gptkbp:is_home_to
|
gptkb:interstellar_medium
dark matter halo
globular clusters
various stellar populations
many galaxies
|
|
gptkbp:is_home_to_planets
|
gptkb:unknown
|
|
gptkbp:is_home_to_stars
|
yes
|
|
gptkbp:is_in
|
Hubble Space Telescope images
|
|
gptkbp:is_known_for
|
its size and mass
its central black hole
its supermassive black hole
its relativistic jets
|
|
gptkbp:is_located_at
|
RA 12h 30m 49.423s, Dec +12° 23' 28.04"
|
|
gptkbp:is_located_in
|
gptkb:Virgo_Cluster
gptkb:Virgo_constellation
constellation Virgo
|
|
gptkbp:is_notable_for
|
its size and mass
|
|
gptkbp:is_observed_in
|
radio frequencies
multiple wavelengths
|
|
gptkbp:is_part_of
|
gptkb:Virgo_Cluster
gptkb:Virgo_II_group
gptkb:Virgo_constellation
gptkb:Local_Supercluster
gptkb:Virgo_Supercluster
large-scale structure of the universe
the Virgo Supercluster
local supercluster
Lenticular galaxy family
galaxy cluster.
|
|
gptkbp:is_part_of_astronomical_catalogs
|
yes
|
|
gptkbp:is_significant_for
|
gptkb:cosmology
|
|
gptkbp:is_studied_for
|
gptkb:cosmology
galactic dynamics
dark matter research
galactic evolution
galaxy formation theories
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
astrophysics
|
|
gptkbp:is_the_brightest_galaxy_in
|
gptkb:Virgo_Cluster
|
|
gptkbp:is_used_in
|
tests of general relativity
|
|
gptkbp:is_visible_from
|
gptkb:Earth
yes
northern hemisphere
optical wavelengths
infrared wavelengths
small telescopes
|
|
gptkbp:known_as
|
gptkb:M87
|
|
gptkbp:lighting
|
low
yes
very bright
Magnitude 9.6
|
|
gptkbp:located_in
|
gptkb:Virgo_Cluster
gptkb:Virgo_constellation
|
|
gptkbp:map
|
gptkb:Chandra_X-ray_Observatory
|
|
gptkbp:mass
|
old stars
approximately 6.5 billion solar masses
about 6.6 billion solar masses
6.6 × 10^9 solar masses
10^14 solar masses
|
|
gptkbp:members
|
Virgo I Group
|
|
gptkbp:notable_feature
|
jets of plasma
|
|
gptkbp:notable_pilots
|
yes
|
|
gptkbp:orbital_altitude
|
high
|
|
gptkbp:photography
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:redshift
|
0.0043
0.00436
|
|
gptkbp:speed
|
1,000 km/s
|
|
gptkbp:targets
|
observational astronomy
Hubble Space Telescope observations
Event Horizon Telescope observations
|
|
gptkbp:type
|
gptkb:active_galactic_nucleus
giant elliptical galaxy
|
|
gptkbp:was_identified_as
|
a radio galaxy
|
|
gptkbp:bfsParent
|
gptkb:M87_galaxy
gptkb:Messier_87
|
|
gptkbp:bfsLayer
|
6
|