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Showing 1 to 2 of 2 for “"Astrostatistics"”.
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Hierarchical Bayesian Models for Investigating Astrophysical Systematics in Type Ia Supernova Cosmology
Type Ia supernovae (SNe Ia) are stellar explosions, and standardisable candles, used to estimate luminosity distances and constrain cosmological parameters. With increasing SN Ia sample sizes (≳ 1000 objects), systematic uncertainties in SN distance estimates now dominate inferences in SN …
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Time Series Analysis of the A0 Supergiant HR 1040
<p>A time series analysis of spectroscopic and photometric observables of the A0Ia supergiant HR 1040 has been performed. The data, obtained from 1993 through 2007, include 152 spectroscopic observations from the Ritter Observatory and 269 Stromgren photometric observations from the Four College …