Properties (54)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
variable star
|
| gptkbp:associated_with |
massive stars
mass loss during pulsation. |
| gptkbp:climate |
approximately 5,000 to 6,000 K
|
| gptkbp:colors |
varies with pulsation phase
|
| gptkbp:contributedTo |
stellar population studies
Hubble constant determination understanding of dark energy |
| gptkbp:established |
gptkb:Henrietta_Swan_Leavitt
|
| gptkbp:examples |
gptkb:Delta_Cephei
Zeta Geminorum Eta Aquilae |
| gptkbp:first_appearance |
the Magellanic Clouds
|
| gptkbp:historical_significance |
key to measuring cosmic distances
|
| https://www.w3.org/2000/01/rdf-schema#label |
classical Cepheid
|
| gptkbp:influence |
stellar evolution theories
|
| gptkbp:influences |
galaxy formation theories
stellar dynamics research |
| gptkbp:instrument |
up to several magnitudes
|
| gptkbp:is_available_in |
open clusters
young star clusters galactic halos |
| gptkbp:is_essential_for |
cosmology
galactic structure studies distance ladder method |
| gptkbp:is_monitored_by |
regular and predictable
|
| gptkbp:is_studied_in |
astronomers worldwide
|
| gptkbp:is_used_in |
distance measurement
cosmological simulations stellar population synthesis models extragalactic distance scales |
| gptkbp:lighting |
up to 100,000 times that of the Sun
varies periodically |
| gptkbp:lightRange |
characteristic shape
due to pulsation |
| gptkbp:number_of_stages |
post-main sequence
|
| gptkbp:orbitalInclination |
thermal and ionization processes
|
| gptkbp:period |
a few days to several weeks
|
| gptkbp:previousName |
gptkb:Cepheus_constellation
|
| gptkbp:range |
10 to 100 times brighter than the Sun
|
| gptkbp:related_to |
Type I supernovae
stellar pulsation theory |
| gptkbp:relationship |
period-luminosity relation
|
| gptkbp:technique |
spectroscopy
photometry |
| gptkbp:type |
F to K
pulsating star |
| gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
gptkb:the_Andromeda_Galaxy the Milky Way ground-based telescopes other galaxies the Triangulum Galaxy |
| gptkbp:weight |
5 to 20 solar masses
|