Gemini North and Hubble image of GRB afterglow (annotated)

This Gemini North image, superimposed on an image taken with the Hubble Space Telescope, shows the telltale near-infrared afterglow of a kilonova produced by a long GRB (GRB 211211A). This discovery challenges the prevailing theory that long GRBs exclusively come from supernovae, the end-of-life explosions of massive stars.

Credit:

International Gemini Observatory/NOIRLab/NSF/AURA/M. Zamani; NASA/ESA

About the Image

Id:noirlab2228b
Type:Collage
Release date:Dec. 7, 2022, 9 a.m.
Related releases:noirlab2228
Size:1722 x 1034 px

About the Object

Name:GRB 211211A
Category:Cosmology

Image Formats

Large JPEGLarge JPEG
313.6 KB
Screensize JPEGScreensize JPEG
111.8 KB

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Colors & filters

BandWave-lengthTele-scope
Optical
V
606 nmHubble Space Telescope
ACS
Optical
V
606 nmHubble Space Telescope
WFC3
Infrared
JH
1.4 μmHubble Space Telescope
WFC3
Infrared
JH
1.4 μmHubble Space Telescope
WFC3
Infrared
K
2.2 μmGemini North
NIRI