IRS 3 Field (NIRCam and MIRI image)

This image features data from Webb’s NIRCam (Near Infrared Camera) and MIRI (Mid Infrared Instrument) to capture the most detailed mid-infrared view yet of the field that hosts the highly evolved star IRS 3, which is located just 0.55 light-years from Sagittarius A*, the Milky Way galaxy's central supermassive black hole.

An international team of astronomers have discovered that dust and water can form and survive surprisingly close to this supermassive black hole. The observations reveal that the evolved star IRS 3 continues to enrich its surroundings with newly formed material despite the intense radiation environment around Sagittarius A*.

The data in this image were taken with Webb programmes #1939 (J. Lu), #3571 (F. Yusef-Zadeh), #2491 (N. B. Sabha), and #2075 (C. Chan).

[Image description: A dense star field fills the entire image, with countless stars scattered across a backdrop of glowing clouds in shades of red, orange, pink, white, and blue. At the centre, a brilliant concentration of stars creates a bright, almost white core surrounded by intricate filaments and wisps of illuminated gas and dust that radiate outward. Dark, irregular patches of opaque dust interrupt the glowing clouds, particularly toward the left side of the image, where they appear as silhouetted shapes against the brighter background. The surrounding stellar population varies in brightness and colour, with cool blue stars and warmer orange and red stars distributed throughout the scene.]

Credit:

ESA/Webb, NASA & CSA, F. Peißker, J. Lu, F. Yusef-Zadeh, N. B. Sabha, C. Chan

About the Image

Id:sci26006a
Type:Observation
Release date:12 October 2026, 10:00
Related science announcements:sci26006
Size:4756 x 3454 px

About the Object

Distance:26000 light years
Constellation:Sagittarius
Category:Galaxies

Image Formats

r.titleLarge JPEG
5.1 MB
r.titleScreensize JPEG
431.9 KB

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Coordinates

Position (RA):17 45 40.05
Position (Dec):-29° 0' 28.05"
Field of view:2.48 x 1.80 arcminutes
Orientation:North is 14.9° right of vertical


Colours & filters

BandWavelengthTelescope
Infrared1.15 μmJames Webb Space Telescope
NIRCam
Infrared
molecular hydrogen
3.23 μmJames Webb Space Telescope
NIRCam
Infrared
molecular hydrogen
2.12 μmJames Webb Space Telescope
NIRCam
Infrared
Br-alpha
4.05 μmJames Webb Space Telescope
NIRCam
Infrared5.6 μmJames Webb Space Telescope
MIRI
Infrared
PAH
7.7 μmJames Webb Space Telescope
MIRI
Infrared
Silicate
10 μmJames Webb Space Telescope
MIRI
Infrared15 μmJames Webb Space Telescope
MIRI
Infrared12 μmJames Webb Space Telescope
MIRI
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