Statements (57)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:characteristic |
pulsation period
|
| gptkbp:discovered_by |
gptkb:Henrietta_Swan_Leavitt
|
| gptkbp:exhibits |
luminosity variation
|
| gptkbp:has_brightness_range |
100 to 10,000 times that of the Sun
|
| gptkbp:has_period_range |
1 to 100 days
|
| gptkbp:has_variations |
intrinsic variability
|
| https://www.w3.org/2000/01/rdf-schema#label |
Cepheid variable
|
| gptkbp:is_analyzed_in |
cosmic distances
the distance to galaxies the scale of the universe |
| gptkbp:is_associated_with |
mass-luminosity relationship
the Cepheid instability strip |
| gptkbp:is_atype_of |
pulsating variable star
|
| gptkbp:is_characterized_by |
light curve variations
regular periodicity |
| gptkbp:is_essential_for |
gptkb:cosmology
galaxy formation studies the study of dark energy distance ladder cosmic distance scale |
| gptkbp:is_evaluated_by |
the age of galaxies
the distance to the Milky Way center |
| gptkbp:is_found_in |
gptkb:the_Sculptor_Group
gptkb:the_Large_Magellanic_Cloud galaxies open clusters the Virgo Cluster |
| gptkbp:is_located_in |
gptkb:the_Milky_Way
|
| gptkbp:is_observed_in |
gptkb:the_Andromeda_Galaxy
star clusters nearby galaxies |
| gptkbp:is_part_of |
stellar evolution studies
the cosmic distance ladder variable star research |
| gptkbp:is_related_to |
Hubble's Law
stellar astrophysics stellar oscillations stellar pulsation theory supernovae studies the evolution of stars. |
| gptkbp:is_studied_for |
stellar dynamics
stellar population synthesis |
| gptkbp:is_studied_in |
gptkb:astronomy
observational astronomy |
| gptkbp:is_used_in |
astrophysical models
distance measurement extragalactic astronomy |
| gptkbp:is_used_to_estimate |
the expansion rate of the universe
|
| gptkbp:key |
measuring cosmic distances
|
| gptkbp:named_after |
gptkb:Henrietta_Swan_Leavitt
|
| gptkbp:scientific_classification |
gptkb:Classical_Cepheid
gptkb:Type_II_Cepheid pulsation mode |
| gptkbp:type_of |
pulsating star
|
| gptkbp:bfsParent |
gptkb:Cepheid
|
| gptkbp:bfsLayer |
5
|