Searching for Strong Gravitational Lenses
Name
11214_2024_Article_1042.pdf
Size
4.81 MB
Format
Adobe PDF
Checksum (MD5)
9769fd7de345a19ec9c268fe1029c060
Author(s)
Lemon, Cameron
Courbin, Frédéric
More, Anupreeta
Schechter, Paul
Cañameras, Raoul
Delchambre, Ludovic
Leung, Calvin
Shu, Yiping
Spiniello, Chiara
Hezaveh, Yashar
Date Issued
February 21, 2024
Journal
Space Science Reviews
Publisher
Springer Science and Business Media LLC
Citation
Lemon, C., Courbin, F., More, A. et al. Searching for Strong Gravitational Lenses. Space Sci Rev 220, 23 (2024).
Version
Final published version
Abstract
Strong gravitational lenses provide unique laboratories for cosmological and astrophysical investigations, but they must first be discovered – a task that can be met with significant contamination by other astrophysical objects and asterisms. Here we review strong lens searches, covering various sources (quasars, galaxies, supernovae, FRBs, GRBs, and GWs), lenses (early- and late-type galaxies, groups, and clusters), datasets (imaging, spectra, and lightcurves), and wavelengths. We first present the physical characteristics of the lens and source populations, highlighting relevant details for constructing targeted searches. Search techniques are described based on the main lensing feature that is required for the technique to work, namely one of: (i) an associated magnification, (ii) multiple spatially-resolved images, (iii) multiple redshifts, or (iv) a non-zero time delay between images. To use the current lens samples for science, and for the design of future searches, we list several selection biases that exist due to these discovery techniques. We conclude by discussing the future of lens searches in upcoming surveys and the new population of lenses that will be discovered.
Subjects
Space and Planetary Science
Astronomy and Astrophysics
MIT Department
MIT Kavli Institute for Astrophysics and Space Research
Terms of Use
Creative Commons Attribution
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1007/s11214-024-01042-9
