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A Bright Supernova in the Nearby Galaxy NGC 2403

by: *Image Credit:* NASA [ http://www.nasa.gov/ ], ESA [ http://www.spacetelescope.org/ ], A.V. Filippenko (University of California, Berkeley) and Z. Levay (STScI [ http://www.stsci.edu/ ])

Publication date: 9/2/2004

Topics: SN 2004dj, NGC 2403, What -- Hubble Space Telescope (HST), What -- Advanced Camera for Surveys, What -- Constellation, What -- Camelopardalis, Where -- NGC 2403, Where -- California

*Description*: This detailed view of spiral galaxy NGC 2403 shows the location of Supernova 2004dj, numerous star clusters, and several other stars that exploded in previous years. The region was observed with the Hubble Space Telescope's Advanced Camera for Surveys on Aug. 17, 2004. Technical facts about this news release: About the Object Object Name: SN 2004dj in NGC 2403 Object Description: Supernova in spiral galaxy Position (J2000): R.A. 7h 36m 57s.22 Dec. +65° 36' 21".53 Constellation: Camelopardalis Distance: Approximately 11 million light-years (3.4 Megaparsecs) Dimensions: This image is roughly 3.2 arcminutes (10,000 light-years or 3 kiloparsecs) wide. About the Data Data Description: This image was created from HST data from the following proposal: 10182: A. V. Filippenko (UC Berkeley), P. Challis (Harvard-Smithsonian CfA) and collaborators. (For a full list of collaborators visit the HST proposal [ http://presto.stsci.edu/cgi-bin/get-proposal-info?10182 ].) Instrument: ACS/WFC Exposure Date(s): August 17, 2004 Exposure Time: 33 minutes Filters: F475W ("B"), F606W ("V"), F658N (Halpha), F814W ("I") About the Image Image Credit: NASA, ESA, and A. Filippenko (University of California, Berkeley) Release Date: September 2, 2004 Orientation: A Bright Supernova in the Nearby Galaxy NGC 2403 [ http://imgsrc.hubblesite.org/hu/db/2004/23/images/a/formats/compass_large_web.jpg ] *News Release Number:*: STScI-2004-23c