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Spitzer Image of M101
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.14h 3m 13.0s
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.54° 20' 52.99"
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Ursa Major
- 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.21.8 million light-years (6.7 megaparsecs)
- DimensionsDimensionsThe physical size of the object or the apparent angle it subtends on the sky.This image is 18 arcminutes (114,000 light-years or 35,000 parsecs) wide.
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 science team for the Spitzer data include K. Gordon (STScI), C. Engelbracht, G. Rieke, K. Misselt, and J.-D. Smith (University of Arizona), and R. Kennicutt (University of Cambridge). - InstrumentInstrumentThe science instrument used to produce the data.Spitzer>IRAC and Spitzer>MIPS
- Exposure DatesExposure DatesThe date(s) that the telescope made its observations and the total exposure time.Mar 8, 2004 and May 10/11, 2004
- FiltersFiltersThe camera filters that were used in the science observations.85 sec/pixel (IRAC and 200 sec/pixel (MIPS 24 micron)
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.M101, NGC 4547, The Pinwheel Galaxy
- Object DescriptionObject DescriptionThe type of astronomical object.Face-on Spiral Galaxy
- Release DateFebruary 10, 2009
- Science ReleaseNASA’s Great Observatories Celebrate the International Year of Astronomy with a National Unveiling of Spectacular Images
- Credits
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov
