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Recovering Pulsar Braking Index from a Population of Millisecond Pulsars
A. L. Hewitt, M. Pitkin, I. M. Hook
The braking index, , of a pulsar is a measure of its angular momentum loss and the value it takes corresponds to different spin-down mechanisms. For a pulsar spinning down due t…
A Young Supernova Selection Pipeline For The LSST Era
Harry Addison, Chris Frohmaier, Kate Maguire +3
Early-time spectroscopy of supernovae (SNe), acquired within days of explosion, yields crucial insights into their outermost ejecta layers, facilitating the study of their environm…
Tracing back the birth environments of Type Ia supernova progenitor stars: A pilot study based on 44 early-type host galaxies
Young-Lo Kim, Lluís Galbany, Isobel Hook +1
The environmental dependence of Type Ia supernova (SN Ia) luminosities is well-established, and efforts are being made to find its origin. Previous studies typically use the curren…
Observations of type Ia supernova SN 2020nlb up to 600 days after explosion, and the distance to M85
S. C. Williams, R. Kotak, P. Lundqvist +9
The type Ia supernova (SN Ia) SN 2020nlb was discovered in the Virgo Cluster galaxy M85 shortly after explosion. Here we present observations that include one of the earliest high-…