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Showing 1 to 5 of 5 for “"standard candle"”.
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Testing and improving the luminosity relations for Gamma-Ray Bursts
… GRBs have thus become known as a type of "standard candle"; where standard candle is meant in the usual sense that their luminosities can be derived from measurable properties of the bursts. GRBs can therefore be used for the same cosmology applications as Type Ia supernovae, including the …
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All-Sky Search for Neutrinos Correlated with Gamma-Ray Bursts in Extended Time Windows Using Eight Years of IceCube Data
… equal neutrino flux at Earth for every GRB and standard candle neutrino emission. The equal flux at Earth model led to similar constraints as previous IceCube prompt GRB studies, namely that GRBs are responsible for, at most, a few percent of the diffuse flux. The results of the standard candle …
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The red clump stars as a distance indicator : review and application
… Stanek (1998) that uses the red clump stars as a standard candle. This was made possible by the large number of stars simultaneously observed by the OGLE microlensing project which yields well-defined red clump structures in their colour magnitude diagrams. We have used data obtained at Sutherland …
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Photon reconstruction for the H.E.S.S. 28 m telescope and analysis of Crab Nebula and galactic centre observations
… The first of these is the Crab Nebula, the standard candle of ground-based γ-ray astronomy. The results of this source confirm the expected performance of the reconstruction method, where the much lower energy threshold compared to H.E.S.S. I is of particular importance. A second analysis is …
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The Use of Brightest Cluster Galaxies as Standard Candles Since z~1
… Lauer proved that thisrelationship did provide a standard candle based on BCG’s for distances to a redshift of z~ 0.05. With new data from the HST, we now have images of much more distant galaxyclusters than ever before (z~1). With this data, we can test to see if the relationship holdstrue over …