EFFECT OF BINARIES ON DARK MATTER ESTIMATES IN DWARF GALAXIES Caveats to Dwarf Galaxy Indirect Detection Limits L A U R A J . C H A N G P R I N C E T O N U N I V E R S I T Y S m a l l G a l a x i e s , C o s m i c Q u e s t i o n s J u l y 3 1 , 2 0 1 9 I N C O L L A B O R AT I O N W I T H : L I N A N E C I B ( C A LT E C H )
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sha1_base64="yhMrpue2AQlofr4U4bYshNm18BA=">AB+3icdVDLSgNBEJyNrxhfMR69DAbB0zIbF5O9Bbx4jGAekITQO5kQ2Z2l5lZNYT8ihcPinj1R7z5N04egoWNBRV3XR3hYng2hDy4WTW1jc2t7LbuZ3dvf2D/GhoeNUVansYhVKwTNBI9Y3XAjWCtRDGQoWDMcX8795i1TmsfRjZkrCthGPEBp2Cs1MsXOoPRwaUiu9wZwhSQi9fJG5QqQTEx8T1CfHLJUvOgyC4INhzyQJFtEKtl3/v9GOaShYZKkDrtkcS052CMpwKNst1Us0SoGMYsralEUimu9PF7TN8apU+HsTKVmTwQv0+MQWp9USGtlOCGenf3lz8y2unZlDpTnmUpIZFdLlokApsYjwPAve5YtSIiSVAFbe3YjoCBdTYuHI2hK9P8f+kUXI94nrXfrFaXcWRcfoBJ0hD5VRFV2hGqojiu7RA3pCz87MeXRenNdla8ZzRyhH3DePgGw8pTc</latexit> THERMAL WIMP DARK MATTER (DM) enhanced emission from DM W, Z, b... → γ dark matter-rich regions Counts W eakly I nteracting M assive P article s W, Z, b... DM → γ Photon energy → gamma rays Indirect detection Fermi Large Area Telescope ( Fermi -LAT) Image: NASA, DOE, Fermi -LAT collaboration � 2 L . J . C H A N G | S M A L L G A L A X I E S , C O S M I C Q U E S T I O N S 2 0 1 9
DARK MATTER ANNIHILATION IN THE SKY Dwarf galaxies: dark matter-dominated satellites of the main galaxy Inner Galaxy: Dark matter halo density sharply peaked toward Galactic Center L . P i e r i e t a l . [ 0 9 0 8 . 0 1 9 5 ] � 3 L . J . C H A N G | S M A L L G A L A X I E S , C O S M I C Q U E S T I O N S 2 0 1 9
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