File:NGC 4789A - HST - Potw1646a.tif
Original file (3,811 × 2,371 pixels, file size: 20.03 MB, MIME type: image/tiff)
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DescriptionNGC 4789A - HST - Potw1646a.tif |
A subtle swarm This Hubble image shows NGC 4789A, a dwarf irregular galaxy in the constellation of Coma Berenices. It certainly lives up to its name — the stars that call this galaxy home are smeared out across the sky in an apparently disorderly and irregular jumble, giving NGC 4789A a far more subtle and abstract appearance than its glitzy spiral and elliptical cousins. These stars may look as if they have been randomly sprinkled on the sky, but they are all held together by gravity. The colours in this image have been deliberately exaggerated to emphasise the mix of blue and red stars. The blue stars are bright, hot and massive stars that have formed relatively recently, whereas the red stars are much older. The presence of both tells us that stars have been forming in this galaxy throughout its history. At a distance of just over 14 million light-years away NGC 4789A is relatively close to us, allowing us to see many of the individual stars within its bounds. This image also reveals numerous other galaxies, far more distant, that appear as fuzzy shapes spread across the image.
Acknowledgements: Judy Schmidt (Geckzilla) Coordinates Position (RA): 12 54 5.96 Position (Dec): 27° 8' 54.21" Field of view: 3.18 x 1.98 arcminutes Orientation: North is 55.7° left of vertical Colours & filters Band Wavelength Telescope Optical V 606 nm Hubble Space Telescope ACS Optical I 814 nm Hubble Space Telescope ACS Optical V 606 nm Hubble Space Telescope ACS Optical I 814 nm Hubble Space Telescope ACS. |
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Date | 14 November 2016, 06:00 (Release) | |||
Source | http://spacetelescope.org/images/potw1646a/ http://spacetelescope.org/static/archives/images/original/potw1646a.tif | |||
Author | ESA/Hubble and NASA | |||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 4.0 International license. Attribution: ESA/Hubble
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current | 07:32, 14 November 2016 | 3,811 × 2,371 (20.03 MB) | Fabian RRRR (talk | contribs) | {{Information |Description=A subtle swarm This Hubble image shows NGC 4789A, a dwarf irregular galaxy in the constellation of Coma Berenices. It certainly lives up to its name — the stars that call this galaxy home are smeared out across the sky in... |
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Width | 3,811 px |
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Height | 2,371 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 22 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 15:47, 3 May 2016 |
Color space | Uncalibrated |