Astronomers Discover 19 New Quasars Using DESI Legacy Surveys Data

Using data from the DESI Legacy Surveys photometry catalog, 19 new quasars were identified, including strongly-lensed, dual, and projected types. Observations were carried out on October 15–16, 2023, at California's Palomar Observatory using the P200/DBSP instrument. Among the findings are two lensed quasars, J0746+1344 and J2121-0826, which exhibit unusual configur...