FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2947734089> ?p ?o ?g. }

• W2947734089 abstract "The ESA PLATO space mission is devoted to unveiling and characterizing new extrasolar planets and their host stars. This mission will encompass a very large field of view, granting it the potential to survey up to one million stars depending on the final observation strategy. The telemetry budget of the spacecraft cannot handle transmitting individual images for such a huge stellar sample at the right cadence, so the development of an appropriate strategy to perform on-board data reduction is mandatory. We employ aperture photometry to produce stellar light curves in flight. Our aim is thus to find the mask model that optimizes the scientific performance of the reduced data. We considered three distinct aperture models: binary mask, weighted Gaussian mask, and weighted gradient mask giving lowest noise-to-signal ratio, computed through a novel direct method. An innovative criterion was adopted for choosing between different mask models. We designated as optimal the model providing the best compromise between sensitivity to detect true and false planet transits. We determined the optimal model based on simulated noise-to-signal ratio and frequency of threshold crossing events. Our results show that, although the binary mask statistically presents a few percent higher noise-to-signal ratio compared to weighted masks, both strategies have very similar efficiency in detecting legitimate planet transits. When it comes to avoiding spurious signals from contaminant stars however the binary mask statistically collects considerably less contaminant flux than weighted masks, thereby allowing the former to deliver up to $sim$30% less false transit signatures at $7.1sigma$. Our proposed approach for choosing apertures has been proven to be decisive for the determination of a mask model capable to provide near maximum planet yield and substantially reduced occurrence of false positives." @default.
• W2947734089 created "2019-06-07" @default.
• W2947734089 creator A5011036672 @default.
• W2947734089 creator A5018700240 @default.
• W2947734089 creator A5024780751 @default.
• W2947734089 creator A5027133219 @default.
• W2947734089 creator A5037324404 @default.
• W2947734089 creator A5054595571 @default.
• W2947734089 creator A5061426693 @default.
• W2947734089 creator A5067098037 @default.
• W2947734089 creator A5072205853 @default.
• W2947734089 creator A5079178108 @default.
• W2947734089 date "2019-06-03" @default.
• W2947734089 modified "2023-10-18" @default.
• W2947734089 title "In-flight photometry extraction of PLATO targets: Optimal apertures for detecting extrasolar planets" @default.
• W2947734089 cites W147232447 @default.
• W2947734089 cites W1733050585 @default.
• W2947734089 cites W1965209244 @default.
• W2947734089 cites W1965786206 @default.
• W2947734089 cites W1973302162 @default.
• W2947734089 cites W1993271579 @default.
• W2947734089 cites W2012056991 @default.
• W2947734089 cites W2027926028 @default.
• W2947734089 cites W2032445287 @default.
• W2947734089 cites W2070508637 @default.
• W2947734089 cites W2090408381 @default.
• W2947734089 cites W2095487292 @default.
• W2947734089 cites W2103227743 @default.
• W2947734089 cites W2112249556 @default.
• W2947734089 cites W2112577934 @default.
• W2947734089 cites W2135625048 @default.
• W2947734089 cites W2138707519 @default.
• W2947734089 cites W2155860747 @default.
• W2947734089 cites W2165084703 @default.
• W2947734089 cites W2169217920 @default.
• W2947734089 cites W2517099179 @default.
• W2947734089 cites W2533779441 @default.
• W2947734089 cites W2563171474 @default.
• W2947734089 cites W2761986865 @default.
• W2947734089 cites W2766295137 @default.
• W2947734089 cites W2798336535 @default.
• W2947734089 cites W2798641867 @default.
• W2947734089 cites W2806988361 @default.
• W2947734089 cites W2894310140 @default.
• W2947734089 cites W3099646067 @default.
• W2947734089 cites W3099716835 @default.
• W2947734089 cites W3099897084 @default.
• W2947734089 cites W3101824203 @default.
• W2947734089 cites W3102535523 @default.
• W2947734089 cites W3103093377 @default.
• W2947734089 cites W3104062568 @default.
• W2947734089 cites W3104109275 @default.
• W2947734089 cites W3105003569 @default.
• W2947734089 cites W3105186557 @default.
• W2947734089 cites W3124783947 @default.
• W2947734089 cites W3125521219 @default.
• W2947734089 cites W3125607567 @default.
• W2947734089 hasPublicationYear "2019" @default.
• W2947734089 type Work @default.
• W2947734089 sameAs 2947734089 @default.
• W2947734089 citedByCount "0" @default.
• W2947734089 crossrefType "journal-article" @default.
• W2947734089 hasAuthorship W2947734089A5011036672 @default.
• W2947734089 hasAuthorship W2947734089A5018700240 @default.
• W2947734089 hasAuthorship W2947734089A5024780751 @default.
• W2947734089 hasAuthorship W2947734089A5027133219 @default.
• W2947734089 hasAuthorship W2947734089A5037324404 @default.
• W2947734089 hasAuthorship W2947734089A5054595571 @default.
• W2947734089 hasAuthorship W2947734089A5061426693 @default.
• W2947734089 hasAuthorship W2947734089A5067098037 @default.
• W2947734089 hasAuthorship W2947734089A5072205853 @default.
• W2947734089 hasAuthorship W2947734089A5079178108 @default.
• W2947734089 hasConcept C119857082 @default.
• W2947734089 hasConcept C121332964 @default.
• W2947734089 hasConcept C1276947 @default.
• W2947734089 hasConcept C150846664 @default.
• W2947734089 hasConcept C163479331 @default.
• W2947734089 hasConcept C24890656 @default.
• W2947734089 hasConcept C33923547 @default.
• W2947734089 hasConcept C41008148 @default.
• W2947734089 hasConcept C44870925 @default.
• W2947734089 hasConcept C48372109 @default.
• W2947734089 hasConcept C51244244 @default.
• W2947734089 hasConcept C68271606 @default.
• W2947734089 hasConcept C78336883 @default.
• W2947734089 hasConcept C94375191 @default.
• W2947734089 hasConcept C97256817 @default.
• W2947734089 hasConceptScore W2947734089C119857082 @default.
• W2947734089 hasConceptScore W2947734089C121332964 @default.
• W2947734089 hasConceptScore W2947734089C1276947 @default.
• W2947734089 hasConceptScore W2947734089C150846664 @default.
• W2947734089 hasConceptScore W2947734089C163479331 @default.
• W2947734089 hasConceptScore W2947734089C24890656 @default.
• W2947734089 hasConceptScore W2947734089C33923547 @default.
• W2947734089 hasConceptScore W2947734089C41008148 @default.
• W2947734089 hasConceptScore W2947734089C44870925 @default.
• W2947734089 hasConceptScore W2947734089C48372109 @default.
• W2947734089 hasConceptScore W2947734089C51244244 @default.
• W2947734089 hasConceptScore W2947734089C68271606 @default.
• W2947734089 hasConceptScore W2947734089C78336883 @default.

• next