Podcaster: Rob Sparks. Guest: Andrew Vandenberg & Siyi Xu

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Title: A White Dwarf’s Surprise Planetary Companion

Organization: NOIRLab (NSF’s National Optical-Infrared Astronomy Research Laboratory)

Links: ; @NOAONorth; ; ; ; ; ; @NOIRLabAstro

Description:  White dwarfs are the final state of stars like our Sun at the end of their lives. A typical white dwarf is about the size of Earth but with a much larger mass and density. Recently a Jupiter sized planet was discovered orbiting very close to a white dwarf. In this podcast, learn about this planet, its discovery and how it was studied using NASA and NOIRLab facilities.

Bio: Rob Sparks is a science education specialist in the Education and Public Outreach (EPO) group at the National Optical Astronomy Observatory (NOAO) and works on the Galileoscope project (, providing design, dissemination and professional development. He blogs at

Andrew Vandenberg is an assistant professor at the University of Wisconsin-Madison where he studies and characterizes exoplanets.

Siyi Xu is an assistant astronomer at Gemini North, a program of NSF’s NOIRLab in Hawaii.

End of podcast:

365 Days of Astronomy

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