ALMA and VLT views of an explosion in Orion

Stellar explosions are most often associated with supernovae, the spectacular deaths of stars. But new ALMA observations of the Orion Nebula complex provide insights into explosions at the other end of the stellar life cycle, star birth. Astronomers captured these dramatic images of the remains of a 500-year-old explosion as they explored the firework-like debris from the birth of a group of massive stars, demonstrating that star formation can be a violent and explosive process too.

The colours in the ALMA data represent the relative Doppler shifting of the millimetre-wavelength light emitted by carbon monoxide gas. The blue colour in the ALMA data represents gas approaching at the highest speeds; the red colour is from gas moving toward us more slowly.

The background is an infrared image from the HAWK-I camera on ESO's Very Large Telescope. The ALMA data only cover the region marked by the box.

Telif:

ALMA (ESO/NAOJ/NRAO), J. Bally/H. Drass et al.

Görüntü Hakkında

Kimlik:eso1711c
Tür:Kolaj
Yayın tarihi:07 Nisan 2017 15:00
Bağlantılı bültenler:eso1711
Boyut:2707 x 2824 px

Nesne Hakkında

Tür:Milky Way : Star : Circumstellar Material
Kategori:Stars

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Renkler & Filtreler

BantDalgaboyuTeleskop
Kırmızı ötesi
J
1.25 μmVery Large Telescope
ISAAC
Kırmızı ötesi
Fe II
1.64 μmGemini Observatory
GSAOI
Kırmızı ötesi
H
1.65 μmVery Large Telescope
ISAAC
Kırmızı ötesi
H2
2.12 μmGemini Observatory
GSAOI
Kırmızı ötesi
Ks
2.2 μmVery Large Telescope
ISAAC
Milimetre
216-233 GHz
1.3 mmAtacama Large Millimeter/submillimeter Array
Band 6

 

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