Cepheid Variables

GPTKB entity

Statements (61)
Predicate Object
gptkbp:instance_of gptkb:star
gptkbp:bfsLayer 3
gptkbp:bfsParent gptkb:star
gptkbp:are important for understanding the evolution of galaxies
important for measuring cosmic distances
found in open clusters
important for understanding stellar dynamics
pulsating stars
important for understanding the chemical evolution of galaxies
important for understanding the lifecycle of stars
important for understanding the dynamics of star formation
important for understanding the fate of the universe
important for understanding the expansion of the universe
often used in the study of stellar populations in clusters
often used in the study of the cosmic distance scale.
a key to measuring the scale of the universe
a type of pulsating variable star
important for understanding the formation of stars
important for understanding the nature of gravity
often used in the study of the evolution of the universe
often used in the study of the expansion rate of the universe
often studied in the context of stellar populations
important for understanding the history of the universe
often brighter than other variable stars
often found in the arms of spiral galaxies
often studied in the context of galaxy formation
often used in extragalactic astronomy
often used in the study of dark energy
often used in the study of galaxy clusters
often used in the study of the Milky Way galaxy
often used in the study of the cosmic web
often used in the study of the interstellar medium
used in the Tying of the Cosmic Distance Ladder
used to calibrate other distance indicators
used to estimate distances to nearby galaxies
important for understanding the structure of the universe
important for understanding the distribution of dark matter
often used in the study of the large-scale structure of the universe
often used in the study of cosmic microwave background radiation
gptkbp:associated_with young stellar populations
gptkbp:can_be observed in infrared
gptkbp:discovered_by gptkb:Henrietta_Swan_Leavitt
gptkbp:exhibits pulsation
regular periodicity
gptkbp:gestation_period 1 to 100 days
gptkbp:has_luminosity 100 to 10,000 times that of the Sun
gptkbp:have high mass
https://www.w3.org/2000/01/rdf-schema#label Cepheid Variables
gptkbp:influenced_by stellar evolution
gptkbp:is_characterized_by period-luminosity relationship
gptkbp:is_essential_for gptkb:spacecraft
gptkbp:is_found_in galaxies
gptkbp:is_observed_in gptkb:Hubble_Space_Telescope
gptkbp:is_recognized_by gptkb:the_Magellanic_Clouds
gptkbp:is_used_by Hubble constant
gptkbp:lighting up to 2.5 magnitudes
gptkbp:named_after gptkb:Cepheus_constellation
gptkbp:related_to supernovae
gptkbp:type Type II Cepheids
classical Cepheids
gptkbp:used_in distance measurement