If astronomers talk about the death of stars, it's probably not pop stars they mean. Unless the pop star created Ziggy Stardust, Major Tom and Aladdin Sane, and sang "Life on Mars", "Starman" and "Hallo Spaceboy". Here are some of the astronomy tributes to David Bowie. Astronomy Tributes to David Bowie
One of the tributes involved creating an asterism that includes Delta Octantis
. it's based on the lightning bolt for "Aladdin Sane".