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Testing for redshift evolution of Type Ia supernovae using the strongly lensed PS1-10afx at z = 1.4
Astronomy and Astrophysics
The light from distant supernovae (SNe) can be magnified through gravitational lensing when a foreground galaxy is located along the line of sight. This line-up allows for detailed studies of SNe at high redshift that otherwise would not be possible. Spectroscopic observations of lensed high-redshift Type Ia supernovae (SNe Ia) are of particular interest since they can be used to test for evolution of their intrinsic properties. The use of SNe Ia for probing the cosmic expansion history hasdoi:10.1051/0004-6361/201730989 fatcat:xhevy5vkjje3tajsa7w2gkq2mu