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Localizing merging black holes with sub-arcsecond precision using gravitational-wave lensing
Otto A. Hannuksela, Thomas E. Collett, Mesut Çalışkan +1
The current gravitational-wave localization methods rely mainly on sources with electromagnetic counterparts. Unfortunately, a binary black hole does not emit light. Due to this, i…
A Triple Rollover: A third multiply-imaged source at z~6 behind the Jackpot gravitational lens
Thomas E. Collett, Russell J. Smith
UUsing a five-hour adaptive-optics-assisted observation with MUSE, we have identified a doubly-imaged Ly alpha source at redshift 5.975 behind the z=0.222 lens galaxy J0946+1006 ('…
STRIDES: Spectroscopic and photometric characterization of the environment and effects of mass along the line of sight to the gravitational lenses DES J0408-5354 and WGD 2038-4008
E. J. Buckley-Geer, H. Lin, C. Rusu +65
In time-delay cosmography, three of the key ingredients are 1) determining the velocity dispersion of the lensing galaxy, 2) identifying galaxies and groups along the line of sight…
Observing the earliest moments of supernovae using strong gravitational lenses
Max Foxley-Marrable, Thomas E. Collett, Chris Frohmaier +4
We determine the viability of exploiting lensing time delays to observe strongly gravitationally lensed supernovae (gLSNe) from first light. Assuming a plausible discovery strategy…