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NonMicrolensing Science from WFIRST Microlensing Data Andy PDF

26 Pages·2014·1.47 MB·English
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Preview NonMicrolensing Science from WFIRST Microlensing Data Andy

Non­Microlensing Science from WFIRST Microlensing Data Andy Gould (Ohio State) WFIRST Seeing Better In Space (also weather) Bennett & Rhie 2002, ApJ, 574, 985 WFIRST Microlensing Field WFIRST  “Microlensing” Survey Characteristics 40,000 images (52 sec) ● 2.8 sq.deg. ● 6 continuous 72­day campaigns (at quadrature) ● 100 images per day ● SNR = 10^{0.4(Hzero­H)}  Hzero = 26.1 ● Gould 2014 JKAS, (almost) in press WFIRST vs. GAIA WFIRST vs GAIA Parallax Precision Non­Microlensing WFIRST  Science:  Ultra­precise Parallaxes  H<14.0;  < 0.3as;  1,000,000 stars ● H<19.6;   < 3.7 as; 40,000,000 stars ● H<21.6;  ) < 10as; 120,000,000 stars ● Gould, Huber, Penny, Stello, 2014 JKAS, sub. WFIRST  Astrometric Information Flow

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Page 1. NonMicrolensing Science from. WFIRST Microlensing Data. Andy Gould (Ohio State). Page 2. WFIRST. Page 3. Seeing Better In Space (also
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