A new survey of variability in the core of M15 with TRIFFID-2

Seathrun O'Tuairisg , Raymond Butler , Andy Shearer , Michael Redfern (National University of Ireland , Galway) , David Butler (MPIfA , Heidelberg)

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classification 🌌 astro-ph

keywords surveytriffid-2analysisarcmincameracampaigncentralcentre

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A two-week campaign of high-resolution imaging of the centre of M15 using the tip/tilt correcting TRIFFID-2 camera, followed by analysis with ISIS (image matching & subtraction software), has produced the most sensitive survey to date of variable stars in the central ~1x1 arcmin^2 - a total of 48 were detected -, and constrains the size of the dwarf nova population.

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A new survey of variability in the core of M15 with TRIFFID-2

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