Catherine A Clark With Gerard T van belle Elliott Horch and Kaspar Von Braun Why MDwarfs Over 70 of stars in the galaxy are Mdwarfs Henry et al 2006 Winters et al 2015 Mtype stars are currently the best place to detect habitable exoplanets ID: 1046363
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1. The POKEMON Speckle Survey of Nearby M-DwarfsCatherine A. ClarkWith Gerard T. van belle, Elliott Horch, and Kaspar Von Braun
2. Why M-Dwarfs?Over 70% of stars in the galaxy are M-dwarfsHenry et al. 2006Winters et al. 2015M-type stars are currently the best place to detect habitable exoplanetsHigh occurrence rateLong lifetimesFavorable observing characteristics for finding rocky planets in the habitable zoneCredit: NASA
3. Past ResultsPrevious surveys have been limited to M4V because of limited apertureCompeting Robo-AOLags in terms of companion detection for both and separation distanceHorch et al. 2012Ziegler et al. 2016
4. The POKEMON SurveyThe Pervasive Overview of Kompanions of Every M-dwarf in Our Neighborhood SurveyInspecting every M-dwarf out to 15pc, and selected additional stars to 25pcDiffraction-limited resolutionDetecting low-mass companions to these M-dwarfs for refinement of the low-mass star multiplicity rate
5. MethodsLowell Observatory’s 4.3-m Discovery Channel Telescope (DCT)Differential Speckle Survey Instrument (DSSI)3.5-m WIYNNN-Explore Exoplanet Stellar Speckle Imager (NESSI)
6. Highlights of the SurveyNew Insights into M-dwarf MultiplicitySufficient statistics for determination of M-dwarf multiplicity as a function of subtypeUnique Capabilities of Lowell’s DCTLarge amounts of time reserved for Lowell staffSuperior pointingAs rapid as 2 minutes target-to-target time (including data cube collection)HIP 9603; K7V primary6AU separationFrom K-KIDS survey (E. Horch & T. Henry et al.)
7. ConclusionsImplications of Undetected Multiplicity for TESS and JWSTUnknown multiplicity can create false positives for extrasolar planet detection and erroneous inferences of planetary propertiesA Comprehensive Atlas of Low-Mass MultiplesDesigned to be volume-limited to 15pc for spectral types as late as M9VCredit: NASA