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Gravitational Lens Detail in Abell 370
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.02h 39m 49.9s
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.-1° 34' 26.69"
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Cetus
- DistanceDistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.4.9 billion light-years (1.5 billion parsecs)
About the Data
- Data DescriptionData DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.The Hubble images were created from data from proposal 11507: K. Noll (STScI), M. Chiaberge (STScI/ESA/INAF), M. Mutchler, D. Golimowski, and R. Lucas (STScI), and M. Sirianni (STScI/ESA). Acknowledgments for Abell 370 Observers: K. Noll (STScI), M. Chiaberge (STScI/ESA/INAF), M. Mutchler, D. Golimowski, and R. Lucas (STScI), and M. Sirianni (STScI/ESA) Data Analysis: M. Mutchler (STScI) and R. Hook (ST-ECF) Image Composition: R. Hook, O. Hainaut, A. Bombik, and L. Christensen (ST-ECF), Z. Levay and L. Frattare (STScI) Text: L. Frattare, D. Weaver, and R. Villard (STScI) and C. Sharkey and M. Lombardi (ST-ECF) Illustrations: Z. Levay (STScI) Video: G. Bacon (STScI) Science Consultants: M. Livio and B. Whitmore (STScI) and J.-P. Kneib (Observatoire Midi-Pyrenées) - InstrumentInstrumentThe science instrument used to produce the data.HST>ACS/WFC
- Exposure DatesExposure DatesThe date(s) that the telescope made its observations and the total exposure time.July 16, 2009, Exposure Time: 3.5 hours
- FiltersFiltersThe camera filters that were used in the science observations.F475W (G), F625W (R), and F814W (I)
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.Abell 370
- Object DescriptionObject DescriptionThe type of astronomical object.Cluster of Galaxies
- Release DateSeptember 9, 2009
- Science ReleaseHubble Opens New Eyes on the Universe
- Credits
The image is a composite of separate exposures made by the ACS instrument on the Hubble Space Telescope. Three filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are: Blue: F475W (G) Green: F625W (R) Red: F814W (I)
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, MD
claire.andreoli@nasa.gov
