Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:RR_Lyrae_stars
gptkb:RR_Lyrae_Stars |
| gptkbp:color |
yellow to orange
|
| gptkbp:contributed_to |
stellar population studies
|
| gptkbp:discovered_by |
the constellation Lyra
|
| gptkbp:distance |
approximately 0.5 to 1.0
|
| gptkbp:first_appearance |
by Williamina Fleming
|
| gptkbp:has |
multiple pulsation modes
|
| gptkbp:has_luminosity |
about 100 times that of the Sun
|
| gptkbp:has_spectral_type |
A or F type
|
| gptkbp:historical_period |
0.2 to 1.0 days
0.5 to 1 day |
| https://www.w3.org/2000/01/rdf-schema#label |
RR Lyrae
|
| gptkbp:instrument |
0.5 to 2 magnitudes
|
| gptkbp:invention |
gptkb:RR_Lyrae_variables
|
| gptkbp:is |
a standard candle
|
| gptkbp:is_essential_for |
gptkb:spacecraft
|
| gptkbp:is_found_in |
globular clusters
|
| gptkbp:lighting |
changes periodically
magnitude 0.5 to 9.0 |
| gptkbp:location |
gptkb:Milky_Way
|
| gptkbp:named_after |
gptkb:RR_Lyrae_star
|
| gptkbp:type |
pulsating variable star
RR Lyrae variable |
| gptkbp:used_in |
distance measurement
|