X-shooter spectra montage of kilonova in NGC 4993

This montage of spectra taken using the X-shooter instrument on ESO's Very Large Telescope shows the changing behaviour of the kilonova in the galaxy NGC 4993 over a period of 12 days after the explosion was detected on 17 August 2017. Each spectrum covers a range of wavelengths from the near-ultraviolet to the near-infrared and reveals how the object became dramatically redder as it faded.

Credit:

ESO/E. Pian et al./S. Smartt & ePESSTO

About the Image

Id:eso1733j
Type:Chart
Release date:16 October 2017, 16:00
Related releases:eso1733
Size:1421 x 2999 px

About the Object

Type:Local Universe : Star : Type : Variable
Category:Stars

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