Matches in SemOpenAlex for { <https://semopenalex.org/work/W2078214672> ?p ?o ?g. }
Showing items 1 to 73 of
73
with 100 items per page.
- W2078214672 endingPage "1410" @default.
- W2078214672 startingPage "1407" @default.
- W2078214672 abstract "We describe the development of a CCD stellar sensor capable of determining the pointing coordinates with an error smaller than 0.5′. This instrument is part of the attitude control system of the balloon-borne γ-ray MASCO (acronym in Portuguese for coded mask — MÁScara COdificada) telescope. It acquires an image of the sky, recognizes the most brilliant stars in the image, creates with them a “constellation”, and searches for this pattern in an on board star catalogue of the observed region. The searching algorithm is based on the analysis of the geometrical configuration of the “constellation” and considers the distances and angles among the stars and their relative brightness. This instrument consists in an inexpensive CCD camera coupled to a telephoto lens and a frame grabber which digitizes the images at 512×400 pixels resolution in a field of view of about 6°×5°. The implementation of interpolation algorithms allowed an accuracy in the determination of the pointing coordinates of 110 of a pixel, i.e., a few arcseconds. The tests carried out with this sensor showed the following results: 100% of correct matching of the point patterns in more than 1500 sky images, error dispersion in the determination of the pointing coordinates smaller than 30″ and dispersion smaller than 4″ in the determination of the star image's positions." @default.
- W2078214672 created "2016-06-24" @default.
- W2078214672 creator A5012034536 @default.
- W2078214672 creator A5038885310 @default.
- W2078214672 creator A5088594383 @default.
- W2078214672 date "2000-01-01" @default.
- W2078214672 modified "2023-09-24" @default.
- W2078214672 title "The CCD stellar sensor of the MASCO telescope pointing system" @default.
- W2078214672 cites W1974334675 @default.
- W2078214672 cites W1986684689 @default.
- W2078214672 cites W2002615168 @default.
- W2078214672 cites W2015839133 @default.
- W2078214672 cites W2054946604 @default.
- W2078214672 cites W2110190346 @default.
- W2078214672 cites W2995329885 @default.
- W2078214672 doi "https://doi.org/10.1016/s0273-1177(00)00069-7" @default.
- W2078214672 hasPublicationYear "2000" @default.
- W2078214672 type Work @default.
- W2078214672 sameAs 2078214672 @default.
- W2078214672 citedByCount "4" @default.
- W2078214672 crossrefType "journal-article" @default.
- W2078214672 hasAuthorship W2078214672A5012034536 @default.
- W2078214672 hasAuthorship W2078214672A5038885310 @default.
- W2078214672 hasAuthorship W2078214672A5088594383 @default.
- W2078214672 hasConcept C120665830 @default.
- W2078214672 hasConcept C121332964 @default.
- W2078214672 hasConcept C125245961 @default.
- W2078214672 hasConcept C127313418 @default.
- W2078214672 hasConcept C1276947 @default.
- W2078214672 hasConcept C150627866 @default.
- W2078214672 hasConcept C154945302 @default.
- W2078214672 hasConcept C160633673 @default.
- W2078214672 hasConcept C186467627 @default.
- W2078214672 hasConcept C2780848835 @default.
- W2078214672 hasConcept C31972630 @default.
- W2078214672 hasConcept C41008148 @default.
- W2078214672 hasConcept C62649853 @default.
- W2078214672 hasConcept C73329638 @default.
- W2078214672 hasConceptScore W2078214672C120665830 @default.
- W2078214672 hasConceptScore W2078214672C121332964 @default.
- W2078214672 hasConceptScore W2078214672C125245961 @default.
- W2078214672 hasConceptScore W2078214672C127313418 @default.
- W2078214672 hasConceptScore W2078214672C1276947 @default.
- W2078214672 hasConceptScore W2078214672C150627866 @default.
- W2078214672 hasConceptScore W2078214672C154945302 @default.
- W2078214672 hasConceptScore W2078214672C160633673 @default.
- W2078214672 hasConceptScore W2078214672C186467627 @default.
- W2078214672 hasConceptScore W2078214672C2780848835 @default.
- W2078214672 hasConceptScore W2078214672C31972630 @default.
- W2078214672 hasConceptScore W2078214672C41008148 @default.
- W2078214672 hasConceptScore W2078214672C62649853 @default.
- W2078214672 hasConceptScore W2078214672C73329638 @default.
- W2078214672 hasIssue "9" @default.
- W2078214672 hasLocation W20782146721 @default.
- W2078214672 hasOpenAccess W2078214672 @default.
- W2078214672 hasPrimaryLocation W20782146721 @default.
- W2078214672 hasRelatedWork W1999471932 @default.
- W2078214672 hasRelatedWork W2002197910 @default.
- W2078214672 hasRelatedWork W2012646426 @default.
- W2078214672 hasRelatedWork W2076254971 @default.
- W2078214672 hasRelatedWork W2088557122 @default.
- W2078214672 hasRelatedWork W2090093270 @default.
- W2078214672 hasRelatedWork W2104802157 @default.
- W2078214672 hasRelatedWork W2165228135 @default.
- W2078214672 hasRelatedWork W2939217395 @default.
- W2078214672 hasRelatedWork W317572212 @default.
- W2078214672 hasVolume "26" @default.
- W2078214672 isParatext "false" @default.
- W2078214672 isRetracted "false" @default.
- W2078214672 magId "2078214672" @default.
- W2078214672 workType "article" @default.