Title

Variable Stars in M92 and M15

Abstract

My presentation details the search for variable stars in the Galactic globular clusters M92 and M15, using images collected over a 12-year baseline from April 2003 to September 2015. Globular clusters are dense groups of stars that are old and metal-poor. Variable stars are stars that vary in magnitude or brightness. My research looked for RR Lyrae type variables in M92 and M15 using images collected with a 2.4m telescope. The images were reduced and coded to select the variable stars. New variable stars were found in both clusters, and periods for previously known variable stars were confirmed.

Faculty Sponsor

Nathaniel Paust

Tracks

Heavens and Earth

Terms of Use

ARMINDA Terms of Use

Location

Science 159

Presentation Type

Oral Presentation

Research Funding Source or OCS Program

NASA Washington Space Grant Consortium

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Apr 11th, 3:45 PM Apr 11th, 4:00 PM

Variable Stars in M92 and M15

Science 159

My presentation details the search for variable stars in the Galactic globular clusters M92 and M15, using images collected over a 12-year baseline from April 2003 to September 2015. Globular clusters are dense groups of stars that are old and metal-poor. Variable stars are stars that vary in magnitude or brightness. My research looked for RR Lyrae type variables in M92 and M15 using images collected with a 2.4m telescope. The images were reduced and coded to select the variable stars. New variable stars were found in both clusters, and periods for previously known variable stars were confirmed.

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