Sagittarius A*

URI: https://gptkb.org/entity/Sagittarius_A%2A
GPTKB entity
Statements (164)
Predicate Object
gptkbp:instance_of gptkb:supermassive_black_hole
gptkbp:affects the orbits of nearby stars
gptkbp:associated_with the Galactic Center
gptkbp:cause gravitational lensing effects
gptkbp:discovered_by gptkb:Event_Horizon_Telescope_Collaboration
gptkb:1974
Radio astronomers
gptkbp:distance_from_earth approximately 26,000 light-years
approximately 26,000 light years
gptkbp:emissions_standard gptkb:X-rays
radio waves
gptkbp:emits_radiation gptkb:X-rays
gptkbp:file_system gptkb:true
yes
gptkbp:has_a_focus_on gptkb:educational_programs
multi-wavelength observations
international collaborations
astrophysical research
theoretical physics research
observational campaigns
astrophysical simulations
many studies
theoretical astrophysics research
many scientific studies
the Event Horizon Telescope project
many astrophysical simulations
gptkbp:has_a_schwarzschild_radius_of about 12 million kilometers
gptkbp:has_influence_on stellar orbits
stellar orbits in the Galactic Center
gptkbp:has_nearby_stars yes
gptkbp:has_supernova gptkb:true
yes
https://www.w3.org/2000/01/rdf-schema#label Sagittarius A*
gptkbp:image gptkb:Event_Horizon_Telescope
April 10, 2019
gptkbp:influence_on the motion of stars in its vicinity
gptkbp:influences stellar orbits in the vicinity
gptkbp:is_a gptkb:supermassive_black_hole
target for gravitational wave detection
key astronomical object
gptkbp:is_a_center_for gptkb:the_Milky_Way_Galaxy
gptkb:the_Milky_Way_galaxy
the Milky Way's nuclear region
the Milky Way's dark matter halo
the Milky Way's gravitational field
the Milky Way's stellar population
the Milky Way's gravitational pull
the Milky Way's supermassive black hole population
gptkbp:is_a_focal_point_for observational astronomy
gptkbp:is_a_key_component_of the Milky Way's structure
gptkbp:is_a_source_of gptkb:gravitational_waves
scientific curiosity
theoretical predictions.
various astrophysical phenomena
gravitational lensing effects
high-energy emissions
various astrophysical jets
gptkbp:is_a_source_of_interest_for theoretical physicists
gptkbp:is_a_subject_of gptkb:academic_journals
astrophysics
numerous research papers
public interest
the general public
numerous documentaries
public interest and media coverage
numerous simulations
many astrophysical models
theories about dark matter
gptkbp:is_active_in gptkb:true
gptkbp:is_approximately 26,000 light years from Earth
gptkbp:is_associated_with gptkb:gravitational_waves
high-energy astrophysics
the constellation Sagittarius
high-energy astrophysical phenomena
various astrophysical phenomena
high-energy phenomena
gptkbp:is_believed_to a surrounding halo of dark matter
a complex environment around it
a disk of gas and dust
gptkbp:is_connected_to the dynamics of the Milky Way
gptkbp:is_considered a key to understanding galaxy formation
gptkbp:is_considered_to_be the closest supermassive black hole to Earth
a key to understanding dark matter
a benchmark for black hole studies
a key to understanding black hole formation
a key to understanding general relativity
gptkbp:is_debated_in its formation history
gptkbp:is_involved_in stellar dynamics
the study of black hole thermodynamics
the study of cosmic evolution
gravitational wave studies
the study of relativistic jets
gptkbp:is_known_for its strong gravitational pull
gptkbp:is_linked_to the formation of stars
the dynamics of the Milky Way
the formation of the Milky Way
the formation of stars in the Galactic Center
gptkbp:is_located_at gptkb:star
the constellation Sagittarius
coordinates (0, 0) in the Galactic coordinate system
gptkbp:is_located_in gptkb:the_Milky_Way_galaxy
gptkb:Milky_Way
gptkbp:is_monitored_by space telescopes
gptkbp:is_observed_in the Event Horizon Telescope
various telescopes
gptkbp:is_often_compared_to other supermassive black holes
gptkbp:is_often_depicted_as gptkb:science_fiction
gptkbp:is_often_featured_in documentaries about space
gptkbp:is_often_referenced_in popular science literature
gptkbp:is_part_of the Galactic Center
the study of galaxy formation
the study of black hole mergers
the larger structure of the Milky Way
the Milky Way's central region
the Sgr A complex
gptkbp:is_part_of_a_larger_structure_known_as the Galactic bulge
gptkbp:is_recognized_as gptkb:1974
gptkbp:is_said_to_be the remnant of a massive star
gptkbp:is_studied_for its effects on nearby stars
gptkbp:is_studied_in gptkb:dark_matter
gptkb:astronomy
astrophysics
radio telescopes
other astronomical phenomena
gptkbp:is_surrounded_by gptkb:star
stellar clusters
dense star clusters
a cluster of stars
an accretion disk
gptkbp:is_the_largest_black_hole_in gptkb:Milky_Way
gptkbp:is_the_largest_known black hole in the Milky Way
gptkbp:is_the_most_massive_object_in gptkb:the_Milky_Way
gptkbp:is_the_most_studied gptkb:supermassive_black_hole
gptkbp:is_the_most_studied_black_hole in the universe
gptkbp:is_theoretical_model_for black hole physics
gptkbp:is_theorized_to_have_formed_from the collapse of massive stars
gptkbp:key understanding cosmic evolution
understanding galaxy dynamics
the study of general relativity
gptkbp:key_player the dynamics of the Milky Way
gptkbp:located_in gptkb:Milky_Way_Galaxy
gptkbp:major_city black hole in the Milky Way
gptkbp:mass 4.1 million solar masses
approximately 4.1 million solar masses
gptkbp:notable_feature the Galactic Center region
gptkbp:notable_figures the field of cosmology
gptkbp:notable_pilots gptkb:true
yes
gptkbp:performance testing theories of gravity
gptkbp:research_focus black hole physics
gptkbp:scientific_classification a black hole
gptkbp:targets gptkb:space_mission
advanced telescopes
gravitational wave detectors
high-energy astrophysics research
future astronomical observations
high-resolution imaging efforts
gptkbp:type_of gptkb:supermassive_black_hole
gptkbp:was_a_result_of stellar evolution processes
gptkbp:was_akey_figure_in black hole physics
black hole imaging research
gptkbp:bfsParent gptkb:the_Milky_Way_galaxy
gptkb:star
gptkbp:bfsLayer 4