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TIDAL GRAVITATIONAL FIELD [1 record]
Record 1 - internal organization data 2025-05-09
Record 1, English
Record 1, Subject field(s)
- Astrophysics and Cosmography
Record 1, Main entry term, English
- tidal gravitational field
1, record 1, English, tidal%20gravitational%20field
correct, noun
Record 1, Abbreviations, English
Record 1, Synonyms, English
- gravitational tidal field 2, record 1, English, gravitational%20tidal%20field
correct, noun
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Tidal gravitational fields lead to differential deflection of light bundles. The size and shape of their cross sections are therefore changed. Since photons are neither emitted nor absorbed in the process of gravitational light deflection, the surface brightness of lensed sources remains unchanged. Changing the size of the cross section of a light bundle therefore changes the flux observed from a source. The different images in multiple-image systems generally have different fluxes. The images of extended sources, i. e. sources which can observationally be resolved, are deformed by the gravitational tidal field. 3, record 1, English, - tidal%20gravitational%20field
Record 1, French
Record 1, Domaine(s)
- Astrophysique et cosmographie
Record 1, Main entry term, French
- champ de marée gravitationnel
1, record 1, French, champ%20de%20mar%C3%A9e%20gravitationnel
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Champ tensoriel qui exprime la variation du champ gravitationnel d'un point à un autre de l'espace. 1, record 1, French, - champ%20de%20mar%C3%A9e%20gravitationnel
Record number: 1, Textual support number: 1 OBS
Un champ de marée gravitationnel déforme tout objet massif sur lequel il s'applique. 1, record 1, French, - champ%20de%20mar%C3%A9e%20gravitationnel
Record number: 1, Textual support number: 2 OBS
champ de marée gravitationnel : désignation et définition publiées au Journal officiel de la République française le 26 janvier 2025. 2, record 1, French, - champ%20de%20mar%C3%A9e%20gravitationnel
Record 1, Spanish
Record 1, Textual support, Spanish
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