Hubble and other Great Observatories examine the galactic centre region

In celebration of the International Year of Astronomy 2009, the NASA/ESA Hubble Space Telescope and its companion Great Observatories: the Spitzer Space Telescope and the Chandra X-ray Observatory have collaborated to produce an unprecedented image of the central region of our Milky Way galaxy.

In this spectacular image, observations using infrared light and X-ray light see through the obscuring dust and reveal the intense activity near the galactic core. Note that the centre of the galaxy is located within the bright white region to the right of and just below the middle of the image. The entire image width covers about one-half a degree, about the same angular width as the full moon.

Each telescope's contribution is presented in a different colour:

  • Yellow represents the near-infrared observations of Hubble. They outline the energetic regions where stars are being born as well as reveal hundreds of thousands of stars.
  • Red represents the infrared observations of Spitzer. The radiation and winds from stars create glowing dust clouds that exhibit complex structures from compact, spherical globules to long, stringy filaments.
  • Blue and violet represent the X-ray observations of Chandra. X-rays are emitted by gas heated to millions of degrees by stellar explosions and by outflows from the supermassive black hole in the galaxy's centre. The bright blue blob on the left side is emission from a double star system containing either a neutron star or a black hole.

When these views are brought together, this composite image provides one of the most detailed views ever of our galaxy's mysterious core.

Credit:

NASA, ESA, SSC, CXC and STScI

About the Image

NASA press release
NASA caption
Id:opo0928a
Type:Observation
Release date:10 November 2009, 17:00
Size:9725 x 4862 px

About the Object

Name:Sagittarius
Type:• Milky Way : Galaxy : Component : Center/Core
• X - Galaxies Images/Videos
• X - Quasars/AGN/Black Hole Images/Videos
Distance:25000 light years
Constellation:Carina

Colours & filters

BandTelescope
X-ray Chandra
ACIS
Infrared
Near-IR
Hubble Space Telescope
NICMOS
Infrared
Near-IR
Spitzer Space Telescope
IRAC

Image Formats

Large JPEG
10.9 MB
Screensize JPEG
266.1 KB

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