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Stephan’s Quintet
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.22h 35m 57.5s
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.33° 57' 35.67"
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Pegasus
- 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.Stephan's Quintet is 290 million light-years (90 million parsecs) away. The foreground, superposed NGC 7320 is 40 million light-years (12 million parsecs) away.
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 11502: K. Noll and M. Livio (STScI), D. Leckrone and M. Niedner (NASA/GSFC), and Z. Levay and M. Mutchler (STScI). Acknowledgments for Stephan's Quintet Observers: K. Noll and M. Livio (STScI), D. Leckrone and M. Niedner (NASA/GSFC), and Z. Levay and M. Mutchler (STScI) Data Analysis: H. Bushouse, J. Anderson, and M. Mutchler (STScI) Image Composition: Z. Levay and L. Frattare (STScI) Text: D. Weaver and R. Villard (STScI) Illustrations: Z. Levay (STScI) Video: G. Bacon (STScI) Science Consultants: M. Livio and B. Whitmore (STScI) - InstrumentInstrumentThe science instrument used to produce the data.HST>WFC3/IR and HST>WFC3/UVIS
- Exposure DatesExposure DatesThe date(s) that the telescope made its observations and the total exposure time.July/August, 2009, Exposure Time: 23 hours
- FiltersFiltersThe camera filters that were used in the science observations.WFC3/IR: F140W (JH) WFC3/UVIS: F438W (B), F606W (V), F657N (H-alpha + [N II]), F665N (H-alpha + [N II]), and F814W (I)
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.Stephan's Quintet, HCG 92
- Object DescriptionObject DescriptionThe type of astronomical object.Interacting Galaxy Group
- Release DateSeptember 9, 2009
- Science ReleaseHubble Opens New Eyes on the Universe
- Credits
The image is a composite of separate exposures made by the WFC3 instrument on the Hubble Space Telescope. Six filters were used to sample broad and narrow wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are: Blue: F438W (B) Green: F606W (V) Red: F140W (JH) + F657N (H-alpha + [N II]) + F665N (H-alpha + [N II]) + F814W (I)
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Details
Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, MD
claire.andreoli@nasa.gov
