?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Concept+verification+of+the+JASMINE+astrometric+plate+analysis&rft.creator=Ohsawa%2C+Ryou&rft.creator=Kawata%2C+Daisuke&rft.creator=Kamizuka%2C+Takafumi&rft.creator=Yamada%2C+Yoshiyuki&rft.creator=L%C3%B6ffler%2C+Wolfgang&rft.creator=Biermann%2C+Michael&rft.description=The+Japan+Astrometry+Satellite+Mission+for+Infrared+Exploration+(JASMINE)+aims+at+high-precision+astrometry+in+the+near-infrared+wavelengths+(1.0%E2%80%931.6+%CE%BCm).+This+mission+focuses+on+the+Galactic+center+region%2C+obscured+by+interstellar+dust+in+optical+wavelengths.+JASMINE%E2%80%99s+observation+strategy+differs+from+other+missions+and+must+be+verified+via+dedicated+simulations.+To+verify+the+mission+concept%2C+we+designed+a+simplified+simulation%2C+the+JASMINE+mini+survey%2C+covering+three+years+with+100+orbits.+As+a+simple+case%2C+the+data+obtained+in+a+single+satellite+orbit+are+analyzed+simultaneously+(Plate+Analysis).+The+observation+model+was+made+differentiable+and+implemented+as+a+probabilistic+model+to+make+the+best+use+of+Stochastic+Variational+Inference.+Model+parameters+converged+to+a+certain+solution%2C+while+the+observation+model+contained+more+than+30%2C000+parameters.+The+estimated+coordinates+well+represented+the+stellar+motions+expected+from+the+ground+truth.+A+typical+positional+error+was+estimated+to+be+about+70+%C2%B5as%2C+consistent+with+the+measurement+error+and+the+number+of+measurements.+The+present+results+validate+parts+of+JASMINE%E2%80%99s+mission+concepts%2C+leading+to+significant+advancements+in+understanding+the+Galactic+center.&rft.publisher=SPIE&rft.contributor=Ibsen%2C+Jorge&rft.contributor=Chiozzi%2C+Gianluca&rft.date=2024-07-25&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A+Ibsen%2C+Jorge+and+Chiozzi%2C+Gianluca%2C+(eds.)+Software+and+Cyberinfrastructure+for+Astronomy+VIII.++(pp.+131011R).++SPIE%3A+Bellingham%2C+WA%2C+USA.+(2024)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10197435%2F1%2F131011R.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10197435%2F&rft.rights=open