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Whirlpool Galaxy’s (M51) Companion Nucleus and Dust Lanes
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.13h 29m 52.37s
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.47° 11' 40.8"
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Canes Venatici
- 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.About 31 million light-years (9.6 Megaparsecs)
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.This image was created from HST data from proposal 10452: S. Beckwith (STScI), R. Kennicutt Jr. (University of Arizona), and H. Bond, C. Christian, L. Frattare, F. Hamilton, Z. Levay, M. Mutchler, K. Noll, and T. Royle (The Hubble Heritage Team, STScI). Note: High level science products (combined and mosaiced fits files for each filter) are available at: http://archive.stsci.edu/prepds/m51 - 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.January 18-22, 2005, Exposure Time: 9.0 hours
- FiltersFiltersThe camera filters that were used in the science observations.F435W (B), F555W (V), F658N (Halpha + [N II]), F814W (I)
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.NGC 5195
- Object DescriptionObject DescriptionThe type of astronomical object.Dwarf Galaxy
- Release DateApril 25, 2005
- Science ReleaseHubble Celebrates 15th Anniversary with Spectacular New Images
- Credits
Blue: F435W (B) Green: F555W (V) Red: F658N (Halpha + [N II]) + F814W (I)
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, MD
claire.andreoli@nasa.gov
