2 papers
astro-ph.HE2026
Source identification for the Swift-BAT 150-month hard X-ray catalog using soft X-ray observations
K. Imam, N. Torres-Alba, S. Marchesi +10
We present a comprehensive catalog of 251 potential counterparts for 250 unassociated hard X-ray sources detected in the Swift Burst Alert Telescope (BAT) 150-month hard X-ray surv…
astro-ph.HE2025
Discovering High- BL Lacs Using Swift/UVOT and SARA Observations with the Dropout Technique
Y. Sheng, K. Imam, A. Kaur +14
Measuring spectroscopic redshifts for BL Lacertae (BL Lac) objects, a class of blazar, is challenging because their optical spectrum lacks, or has weak, emission lines ( equivalent…