File:Kilonova and Host Galaxy Compass Image (2023-134).png

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Original file ‎(2,525 × 2,047 pixels, file size: 4.03 MB, MIME type: image/png)

Captions

Captions

An image of the GRB 230307A kilonova and the former home galaxy of the neutron stars captured by Webb's NIRCam (Near-Infrared Camera), with compass arrows, a scale bar, and color key for reference.

Summary

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Description
English: An image of the GRB 230307A kilonova and the former home galaxy of the neutron stars captured by Webb's NIRCam (Near-Infrared Camera), with compass arrows, a scale bar, and color key for reference.

The north and east compass arrows show the orientation of the image on the sky. Note that the relationship between north and east on the sky (as seen from below) is flipped relative to direction arrows on a map of the ground (as seen from above). The scale bar is labeled in arcseconds, which is a measure of angular distance on the sky. One arcsecond is equal to 1/3600 of one degree of arc. (The full Moon has an angular diameter of about 0.5 degrees.) The actual size of an object that covers one arcsecond on the sky depends on its distance from the telescope. This image shows invisible near-infrared wavelengths of light that have been translated into visible-light colors. The color key shows which NIRCam filters were used when collecting the light. The color of each filter name is the visible light color used to represent the infrared light that passes through that filter.

NASA, ESA, CSA, STScI, Andrew Levan (IMAPP, Warw)
Date 25 October 2023 (upload date)
Source Kilonova and Host Galaxy Compass Image
Author Image: NASA, ESA, CSA, STScI, Andrew Levan (IMAPP, Warw)
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Licensing

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Public domain This file is in the public domain because it was created by NASA, ESA and CSA. NASA Webb material is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA/CSA is credited as the source of the material. This license does not apply if source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-03127. Copyright statement at webbtelescope.org. For material created by the European Space Agency on the esawebb.org site, use the {{ESA-Webb}} tag.

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