News Release Archive:

News Release 6 of 34

November 10, 2009 11:00 AM (EST)

News Release Number: STScI-2009-28

NASA's Great Observatories Celebrate International Year of Astronomy

Technical facts about this news release:

About the Object
Object Name: Galactic Center
Object Description: Center of the Milky Way Galaxy
Position (J2000): R.A. 17h 45m 36s.00
Dec. -28° 55' 58".8
Constellation: Sagittarius
Distance: 26,000 light-years (8 kiloparsecs)
Dimensions: The composite image of the galactic center is 32.5 arcminutes (246 light-years or 75.5 parsecs) wide.
About the Spitzer Data
Galactic Center Region in Infrared from Spitzer
Data Description: The Spitzer Space Telescope data were courtesy of NASA, Jet Propulsion Laboratory, and S. Stolovy (Spitzer Science Center/California Institute of Technology).
Instrument: Infrared Array Camera (IRAC)
Exposure Date(s): September 3, 2004, and September 15, 2005
Filters: 3.6 microns (blue), 4.5 microns (green), 5.8 microns (orange), 8.0 microns (red)
About the Hubble Data
Galactic Center Region in Near-Infrared from Hubble
Data Description: The Hubble component was from the HST proposal 11120: Q.D. Wang (University of Massachusetts, Amherst), S. Stolovy (Caltech), C. Lang (University of Iowa), A. Cotera (SETI Institute), M. Muno (Caltech), M. Morris (University of California, Los Angeles), D. Calzetti (University of Massachusetts, Amherst), S. Ramirez (Caltech), and G. Schneider (University of Arizona).
Instrument: NICMOS
Exposure Date(s): February 22 - June 5, 2008
Filters: F187N (Paschen-Alpha) and F190N (Paschen-Alpha continuum)
About the Chandra Data
Galactic Center Region in X-rays from Chandra
Data Description: The science team was led by Q.D. Wang (University of Massachusetts, Amherst). Image courtesy of NASA/CXC/UMass/Q.D. Wang et al.
Instrument: ACIS
Exposure Date(s): March 2000 - July 2007
Filters: 1-3 keV, 3-5 keV, 5-8 keV
About this Image
Image Credit: NASA, ESA, CXC, SSC, and STScI
Release Date: November 10, 2009
Orientation/Scale: Compass/Scale Annotated Image of the Center of the Milky Way