Amy Lien's Web Page

Amy Lien

NASA Goddard Space Flight Center
University of Maryland, Baltimore County
Code 661, Swift/BAT team
Office: Building 34, S225
Email: amy.y.lien at nasa.gov

In additional to gamma-ray bursts, I am also interested in other sources/transients in the hard X-ray sky.

The 157-Month Swift-BAT Hard X-ray Survey

The Neil Gehrels Swift Observatory has been monitoring the hard X-ray sky (14-195 keV) for ~ 15 years. When adding up all the images, the telescope reaches unprecedented sensitivity in hard X-ray surveys. We perform data analysis for the whole mission lifetime, and found over 1600 detected sources, including Active Galactic Nuclie (AGNs), X-ray binaries, stars, galaxy clusters, pulsars, supernova remnants...etc.. We produce 15-year-long light curves for these sources. A quick look of the most recent results is available at here .

The 157-Month Swift-BAT Hard X-ray Survey

The Neil Gehrels Swift Observatory has been monitoring the hard X-ray sky (14-195 keV) for ~ 15 years and has detected over 1600 sources, including AGNs, X-ray binaries, stars, galaxy clusters, pulsars, supernova remnant...etc. Following previous Swift/BAT Hard X-ray Survey Catalogs (Oh et al. 2018; Baumgartner et al. 2013; Tueller et al. 2009; Markwardt et al. 2005), we are working on the next catalog, which consists of 157 month of Swift/BAT data. A quick look of the 157-month light curves of sources presented in the 105 month catalog is available here .