|
gptkbp:instance_of
|
gptkb:Quark
|
|
gptkbp:active_galactic_nucleus
|
gptkb:true
|
|
gptkbp:apparent_magnitude
|
12.9
|
|
gptkbp:associated_with
|
the 3 C catalog
|
|
gptkbp:brightness_variability
|
observed
|
|
gptkbp:discovered_by
|
Astronomer A. C. Becker
|
|
gptkbp:discovery_year
|
gptkb:1963
|
|
gptkbp:distance_from_earth
|
approximately 2.5 billion light-years
|
|
gptkbp:emissions_standard
|
H-alpha
Fe II
H-beta
Mg II
C IV
|
|
gptkbp:file_system
|
gptkb:true
|
|
gptkbp:first_appearance
|
optical wavelengths
X-ray wavelengths
radio wavelengths
gamma-ray wavelengths
|
|
gptkbp:first_quasar_identified
|
gptkb:true
|
|
gptkbp:has_been_imaged
|
in various wavelengths
|
|
gptkbp:has_gamma_ray_counterpart
|
gptkb:true
|
|
gptkbp:has_luminosity
|
approximately 4 times that of the Milky Way
|
|
gptkbp:has_optical_counterpart
|
gptkb:true
|
|
gptkbp:has_radio_counterpart
|
gptkb:true
|
|
gptkbp:has_spectral_type
|
Luminous blue variable
|
|
gptkbp:has_supernova
|
gptkb:true
|
|
gptkbp:has_variations
|
days to weeks
|
|
gptkbp:has_xray_counterpart
|
gptkb:true
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
3 C 273
|
|
gptkbp:is_considered
|
a prototype for quasars.
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:is_one_of
|
the brightest quasars
|
|
gptkbp:is_part_of
|
many astronomical studies
the 3 C survey
|
|
gptkbp:is_studied_in
|
extensively
|
|
gptkbp:is_used_for
|
a standard candle for cosmology
|
|
gptkbp:is_visible_from
|
naked eye under ideal conditions
|
|
gptkbp:jet_direction
|
towards Earth
|
|
gptkbp:lighting
|
detected
|
|
gptkbp:located_in
|
gptkb:Virgo_constellation
|
|
gptkbp:mass
|
approximately 886 million solar masses
|
|
gptkbp:notable_pilots
|
gptkb:true
|
|
gptkbp:optical_spectrum
|
broad emission lines
|
|
gptkbp:radio_source
|
gptkb:true
|
|
gptkbp:redshift
|
0.158
|
|
gptkbp:type
|
gptkb:Bizarro
|
|
gptkbp:was_first_identified_as
|
a quasar
|
|
gptkbp:bfsParent
|
gptkb:The_Quasar
|
|
gptkbp:bfsLayer
|
6
|