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Compass and Scale Image of HUDF
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.03h 32m 38.01s
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.-27° 46' 39.08"
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Fornax
- 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.Redshift: z=1.55
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. - InstrumentInstrumentThe science instrument used to produce the data.HST>ACS/WFC and HST>WFC3/IR
- Exposure DatesExposure DatesThe date(s) that the telescope made its observations and the total exposure time.Data used in these images were taken in 2010 and 2011.
- FiltersFiltersThe camera filters that were used in the science observations.ACS/WFC: F435W (B), F606W (V), F775W (i), and F850LPW (z); WFC3/IR: F105W (Y), F125W (J), and F160W (H)
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.Hubble Ultra Deep Field, HUDF, and SN Primo
- Object DescriptionObject DescriptionThe type of astronomical object.Deep survey (color image) and Type Ia Supernova (greyscale images)
- Release DateJanuary 11, 2012
- Science ReleaseNASA’s Hubble Breaks New Ground with Distant Supernova Discovery
- Credits
This image is a composite of separate exposures acquired by the WFC3 and ACS instruments on HST. Several filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Blue: F435W (B) + F606W (V) Green: F775W (i) + F850LPW (z) Red: F105W (Y) + F125W (J) + F160W (H)
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, MD
claire.andreoli@nasa.gov
