News Release Archive:

News Release 104 of 828

April 30, 2009 09:00 AM (EDT)

News Release Number: STScI-2009-19

Starbursts in Dwarf Galaxies are a Global Affair

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Image: Hubble ACS Image of NGC 4068

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Object Name: NGC 4068

Image Type: Astronomical

Credit: NASA, ESA, and K. McQuinn (University of Minnesota, Minneapolis)

Technical facts about this image:

About the Object

Object Name:	NGC 4068
Object Description:	Starburst Galaxy
Position (J2000):	R.A. 12h 04m 00s.80 Dec. +52° 35' 17".99
Constellation:	Ursa Major
Distance:	14 million light-years or 4.3 megaparsecs
Dimensions:	This image is 92 arcseconds (6,300 light-years or 1,900 parsecs) wide.

About the Data

Data Description:	The images were created from Hubble data from proposal 9771: I. Karachentsev (Russian Academy of Sciences, Special Astrophysical Observatory), B. Tully (University of Hawaii), V. Karachentseva (Kyiv University), A. Dolphin (Raytheon Company), S. Sakai (University of California, Los Angeles), E. Shaya (University of Maryland), and M. Sharina, L. Makarova, and D. Makarov (Russian Academy of Sciences, Special Astrophysical Observatory). The science team comprises K. McQuinn and E. Skillman (University of Minnesota, Minneapolis), J. Cannon (Macalester College, MN), J. Dalcanton (University of Washington, Seattle), A. Dolphin (Raytheon Company), and D. Stark and D. Weisz (University of Minnesota, Minneapolis).
Instrument:	ACS
Exposure Date(s):	July 10, 2004
Exposure Time:	35 minutes
Filters:	F606W (R) and F814W (I)

About the Image

Credit:

NASA, ESA, and K. McQuinn (University of Minnesota, Minneapolis)

Release Date:

April 30, 2009

Color:

The image is a composite of separate exposures made by the ACS instrument on the Hubble Space Telescope. Two filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are:

F814W (I)	yellow
F606W (R)	cyan

Orientation/Scale:

NEWS RELEASE IMAGES

The above image is part of a montage:

Montage Image: Hubble Spies a Frenzy of Star Birth in Dwarf Galaxies Image Type: Astronomical/Annotated

PRC2009-19 Hubble ACS Image of NGC 4163 Image Type: Astronomical

Hubble ACS Image of IC 4662 Image Type: Astronomical

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