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Gamma ray burst distances and the timescape cosmology
Gamma ray burst distances timescape cosmology
2011/10/20
Gamma ray bursts can potentially be used as distance indicators, providing the possibility of extending the Hubble diagram to redshifts ~7. Here we follow the analysis of Schaefer (2007), with the aim...
The Supernova Legacy Survey 3-year sample: Type Ia Supernovae photometric distances and cosmological constraints
The Supernova Legacy Survey 3-year sample Type Ia Supernovae photometric distances
2011/1/10
We present photometric properties and distance measurements of 252 high redshift Type Ia supernovae (0.15 < z < 1.1) discovered during the first three years of the Supernova Legacy Survey (SNLS). Thes...
A method to determine distances to molecular clouds using near-IR photometry
ISM dust extinction – ISM clouds – Stars distances – ISM individual objects L1517 –ISM Chamaeleon I –ISM
2010/11/15
Aims. To develop a method to determine distances to molecular clouds using JHK near-infrared photometry.Methods. The method is based on a technique that aids spectral classification of stars lying tow...