Aces mission status and outlook

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F11%3A00204791" target="_blank" >RIV/68407700:21340/11:00204791 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Aces mission status and outlook

Popis výsledku v původním jazyce

Atomic Clock Ensemble in Space (ACES) is an ESA mission in fundamental physics based on a new generation of clocks operated in the microgravity environment of the International Space Station. Installed at the external payload facility of the Columbus module, ACES will accommodate two atomic clocks: PHARAO, a primary frequency standard based on samples of laser cooled Cs atoms, and the active H-maser SHM. The two on-board clocks will generate a time scale with fractional frequency instability and inaccuracy of a few parts in 10 16. The ACES frequency reference will be distributed to ground by a MicroWave Link (MWL) and used to compare widely separated clocks. These comparisons will allow precision tests of Einstein's theory of general relativity, including a measurement of the gravitational red-shift, a search for time variations of fundamental constants, and tests of the Standard Model Extension. ACES will also support applications in different areas of research, including geodesy and

Název v anglickém jazyce

Aces mission status and outlook

Popis výsledku anglicky

Atomic Clock Ensemble in Space (ACES) is an ESA mission in fundamental physics based on a new generation of clocks operated in the microgravity environment of the International Space Station. Installed at the external payload facility of the Columbus module, ACES will accommodate two atomic clocks: PHARAO, a primary frequency standard based on samples of laser cooled Cs atoms, and the active H-maser SHM. The two on-board clocks will generate a time scale with fractional frequency instability and inaccuracy of a few parts in 10 16. The ACES frequency reference will be distributed to ground by a MicroWave Link (MWL) and used to compare widely separated clocks. These comparisons will allow precision tests of Einstein's theory of general relativity, including a measurement of the gravitational red-shift, a search for time variations of fundamental constants, and tests of the Standard Model Extension. ACES will also support applications in different areas of research, including geodesy and

Druh

D - Stať ve sborníku

CEP obor

JV - Kosmické technologie

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

62nd International Astronautical Congress 2011

ISBN

978-1-61839-805-5

ISSN

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e-ISSN

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Počet stran výsledku

14

Strana od-do

495-508

Název nakladatele

International Astronautical Federation (IAF)

Místo vydání

Paris

Místo konání akce

Cape Town

Datum konání akce

3. 10. 2011

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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