Cygnus X-4

URI: https://gptkb.org/entity/Cygnus_X-4
GPTKB entity
Statements (52)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Cygnus
gptkbp:associated_with gptkb:supernova_remnants
gptkbp:complications gptkb:battle
gptkbp:contains gptkb:star
gptkbp:discovered_by gptkb:George_W._Collins
gptkbp:distance approximately 8,000 light-years
gptkbp:emissions_standard gptkb:musician
gptkbp:field strong
gptkbp:has gptkb:battle
gptkbp:has_luminosity about 10^38 watts
gptkbp:has_spectral_type B0-2 III
gptkbp:has_variants gptkb:battle
https://www.w3.org/2000/01/rdf-schema#label Cygnus X-4
gptkbp:is_observed_in gptkb:Nu_STAR
gptkb:Hubble_Space_Telescope
gptkb:Fermi_Gamma-ray_Space_Telescope
gptkb:Swift_satellite
gptkb:Ginga
INTEGRAL
ROSAT
ASCA
Beppo SAX
gptkbp:is_part_of gptkb:Milky_Way_galaxy
gptkbp:is_studied_in gptkb:Chandra_X-ray_Observatory
gptkb:XMM-Newton
high-energy astrophysics
stellar evolution
black hole formation
orbital dynamics
accretion processes
gamma-ray emissions
stellar interactions
magnetic field effects
cosmic ray production
stellar mass loss
stellar mass measurements
X-ray bursts
pulsar timing
neutron star properties
X-ray variability
accretion disk dynamics
evolution of binary systems
pulsar wind interactions
gptkbp:located_in constellation Cygnus
gptkbp:mass approximately 1.4 solar masses
gptkbp:orbital_period about 5.8 days
gptkbp:sensor by Uhuru satellite
gptkbp:storage gptkb:battle
gptkbp:type gptkb:X-ray_pulsar
gptkbp:year_created gptkb:1971