News Release Archive:

News Release 66 of 95

March 7, 2001 09:00 AM (EST)

News Release Number: STScI-2001-08

Hubble Spies Huge Clusters of Stars Formed by Ancient Encounter

Technical facts about this news release:

About this Object
Object Name: M82 (NGC 3034)
Object Description: Irregular Galaxy
Position (J2000): R.A. 09h 55m 52.22s
Dec. +69° 40' 46.9"
Constellation: Ursa Major
Distance: About 3.6 Mpc (12 million light-years)

The visible portion of the HST M82 image is ~210 arcseconds (3.7 kpc) along the diagonal.

About the Data
Note: The release image of M82 was created from WFPC2 archived HST data from science programs by R. O'Connell (Prop 7446: WFPC2/NICMOS observations) and P. Shopbell (Prop 6826).
Instruments: WFPC2; NICMOS
Exposure Dates: March 16, 1997; September 15, 1997; August 28, 1998
Exposure Time: 8.7 hours
Filters: Prop 7446: [WFPC2] F814W (I), F555W (V), F439W (B)
Prop 7446: [NICMOS] F110W, F160W
Prop 6826: [WFPC2] F656N (Ha)
Principal Astronomers:

Prop 7446: R. de Grijs (Inst. of Astronomy, Cambridge, UK), R. O'Connell (Univ. Virginia), J. Gallagher (Univ. Wisc-Madison), D. Hunter (Lowell Obs.)

Prop 6826: P. Shopbell (Cal Tech), R. Dufour (Rice Univ.), J. Cohen (Cal Tech), J. Bland-Hawthorn (AAO)

About this Image
Image Credit: NASA, ESA and R. de Grijs (Inst. of Astronomy, Cambridge, UK)
Release Date: March 7, 2001
Orientation: Violent Star Formation in Heart of Starburst Galaxy M82