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OVER THE PAST DECADE NASA'S GREAT OBSERVATORIES SUCH AS SPITZER HUBBLE AND CHANDRA ITS MAJOR INTERNATIONAL PARTNERSHIP PLATFORMS SUCH AS XMM-NEWTON HERSCHEL AND PLANCK AND ITS OTHER SMALLER (APPROXIMATELY) ALL-SKY SURVEY MISSIONS SUCH AS GALEX 2MASS AND WISE HAVE PRODUCED A WEALTH OF DATA ON YOUNG STARS AND STAR FORMING REGIONS. WE PROPOSE TO COLLECT THESE PARTICULAR DATA FROM ARCHIVES AND PUBLISHED LITERATURE AND ORGANIZE CO-LOCATE AND SERVE THEM IN A FULLY SEARCHABLE FORMAT. OUR SCIENCE NEEDS DICTATE THAT WE INCLUDE ALL RELEVANT PHOTOMETRIC AND SPECTROSCOPIC INFORMATION ON KNOWN AND SUSPECTED YOUNG (<1-100 MYR OF AGE) NEARBY (WITHIN A FEW HUNDRED PC TO 1 KPC OF THE SUN) STARS. THIS IS A FINITE AND TRACTABLE SAMPLE OF OBJECTS NUMBERING LESS THAN 100 000 AND THE CHALLENGE IS SIMPLY IN DOING THE COLLATION WORK. WE WILL ALSO USE THE ASSEMBLED INFORMATION TO CALCULATE SYSTEMATICALLY DERIVED PARAMETERS FOR THE STARS AND THEIR DISKS. ADDRESSABLE SCIENCE QUESTIONS OF INTEREST TO NASA INCLUDE THOSE OF E.G. STELLAR ACCRETION HISTORY YOUNG STAR AGES AND AGE SPREADS IN CLUSTERS STELLAR MASSES AND THE INITIAL MASS FUNCTION IN CLUSTERS STELLAR ANGULAR MOMENTUM AND ACTIVITY EVOLUTION CIRCUMSTELLAR AND DEBRIS DISK EVOLUTION AND PLANET FORMATION AND EARLY PLANETARY SYSTEM EVOLUTION - NOTABLY INCLUDING THE CORRELATIONS WITH STELLAR AND DISK PROPERTIES. A RECENT SCIENTIFIC FOCUS HAS BEEN ON YOUNG STAR VARIABILITY ARISING FROM BOTH STELLAR AND CIRCUMSTELLAR PHENOMENA EXPLOITING AVAILABLE TIME SERIES DATA FROM SPITZER/WARM AND KEPLER/K2 DATA SETS.HOWEVER THE BROADER ENSEMBLE OF NASA DATA PRODUCTS SUCH AS WE PROPOSE TO COLLECT HERE FOR THESE STARS IS NEEDED IN ORDER TO CARRY OUT THE SCIENCE ANALYSIS FOR THE EXISTING K2 AND SPITZER TIME SERIES DATA NOT JUST THE LIGHTCURVES THEMSELVES.

$473,986FY2017National Aeronautics and Space AdministrationNASA

California Institute Of Technology, Pasadena CA

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