File:Follow the LEDA Potw2230a.jpg
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Summary
[edit]DescriptionFollow the LEDA Potw2230a.jpg |
English: This luminescent image features multiple galaxies, perhaps most noticeably LEDA 58109, the lone galaxy in the upper right. LEDA 58109 is flanked by two further galactic objects to its lower left— an active galactic nucleus (AGN) called SDSS J162558.14+435746.4 that partially obscures the galaxy SDSS J162557.25+435743.5, which appears to poke out to the right behind the AGN. Galaxy classification is sometimes presented as something of a dichotomy: spiral and elliptical. However, the diversity of galaxies in this image alone highlights the complex web of galaxy classifications that exist, including galaxies that house extremely luminous AGNs at their cores, and galaxies whose shapes defy the classification of either spiral or elliptical. The sample of galaxies here also illustrates the wide variety of names that galaxies have: some relatively short, like LEDA 58109, and some very long and challenging to remember, such as the two galaxies to the left. This is due to the variety of cataloguing systems that chart the celestial objects in the night sky. No one catalogue is exhaustive, and they cover overlapping regions of the sky, so that many galaxies belong to several different catalogues. For example, the galaxy on the right is LEDA 58109 in the LEDA galaxy database, but is also known as MCG+07-34-030 in the MCG galaxy catalogue, and SDSS J162551.50+435747.5 in the SDSS galaxy catalogue — the same catalogue that also lists the two galaxies to the left. Links Video of Follow the LEDA
Coordinates Position (RA): 16 25 54.27 Position (Dec): 43° 57' 41.39" Field of view: 2.44 x 2.39 arcminutes Orientation: North is 34.2° left of vertical Colours & filters Band Wavelength Telescope Optical u 354 nm SDSS Optical G 474 nm Víctor M. Blanco 4-meter Telescope DECam Optical G 477 nm SDSS Optical R 623 nm SDSS Optical R 644 nm Víctor M. Blanco 4-meter Telescope DECam Optical I 762 nm SDSS Optical Z 913 nm SDSS Optical Z 919 nm Víctor M. Blanco 4-meter Telescope DECamOptical V 606 nm Hubble Space Telescope ACS |
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Date | ||||
Source | https://esahubble.org/images/potw2230a/ | |||
Author | ESA/Hubble & NASA, W. Keel | |||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 4.0 International license. Attribution: Credit:
ESA/Hubble & NASA, J. Dalcanton, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA
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current | 10:20, 10 January 2023 | 2,925 × 2,862 (1.36 MB) | Loopjaw (talk | contribs) | Uploaded a work by ESA/Hubble & NASA, W. Keel from https://esahubble.org/images/potw2230a/ with UploadWizard |
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Source | ESA/Hubble |
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Credit/Provider | ESA/Hubble & NASA, W. Keel |
Short title |
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Image title |
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Usage terms |
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Date and time of data generation | 06:00, 25 July 2022 |
JPEG file comment | This luminescent image features multiple galaxies, perhaps most noticeably LEDA 58109, the lone galaxy in the upper right. LEDA 58109 is flanked by two further galactic objects to its lower left — an active galactic nucleus (AGN) called SDSS J162558.14+435746.4 that partially obscures the galaxy SDSS J162557.25+435743.5, which appears to poke out to the right behind the AGN. Galaxy classification is sometimes presented as something of a dichotomy: spiral and elliptical. However, the diversity of galaxies in this image alone highlights the complex web of galaxy classifications that exist, including galaxies that house extremely luminous AGNs at their cores, and galaxies whose shapes defy the classification of either spiral or elliptical. The sample of galaxies here also illustrates the wide variety of names that galaxies have: some relatively short, like LEDA 58109, and some very long and challenging to remember, such as the two galaxies to the left. This is due to the variety of cataloguing systems that chart the celestial objects in the night sky. No one catalogue is exhaustive, and they cover overlapping regions of the sky, so that many galaxies belong to several different catalogues. For example, the galaxy on the right is LEDA 58109 in the LEDA galaxy database, but is also known as MCG+07-34-030 in the MCG galaxy catalogue, and SDSS J162551.50+435747.5 in the SDSS galaxy catalogue — the same catalogue that also lists the two galaxies to the left. Links Video of Follow the LEDA |
Software used | Adobe Photoshop 23.4 (Windows) |
Date and time of digitizing | 04:10, 14 June 2022 |
File change date and time | 22:09, 21 July 2022 |
Date metadata was last modified | 22:09, 21 July 2022 |
Unique ID of original document | xmp.did:4648eba6-05b5-4f9a-8f7b-c597bc425e8c |
Contact information |
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr Baltimore, MD, 21218 United States |