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Andromeda Galaxy (M31) Wide-Field Image
About the Object
- R.A. PositionR.A. PositionRight ascension – analogous to longitude – is one component of an object's position.00h 42m 44.3s
- Dec. PositionDec. PositionDeclination – analogous to latitude – is one component of an object's position.41° 16' 9.4"
- ConstellationConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.Andromeda
- 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 2.5 million light-years (0.8 Megaparsecs)
About the Data
- InstrumentInstrumentThe science instrument used to produce the data.12.5-inch Richey-Chrétien telescope
- Exposure DatesExposure DatesThe date(s) that the telescope made its observations and the total exposure time.2002
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.M31, Andromeda Galaxy, NGC 224
- Object DescriptionObject DescriptionThe type of astronomical object.Spiral Galaxy
- Release DateSeptember 20, 2005
- Science ReleaseHubble Finds Mysterious Disk of Blue Stars Around Black Hole
- Credits© 2002 R. Gendler, Photo by R. Gendler
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Andromeda's Active Core
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Mysterious Disk of Blue Stars Around M31's Black Hole
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Details
Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov