File:NGC5559 - HST - Potw1736a.tif
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Summary
[edit]DescriptionNGC5559 - HST - Potw1736a.tif |
English: Mysterious supernovae
Like firecrackers lighting up the sky on New Year’s Eve, the majestic spiral arms of NGC 5559 are alight with new stars being born. NGC 5559 is a spiral galaxy, with spiral arms filled with gas and dust sweeping out around the bright galactic bulge. These arms are a rich environment for star formation, dotted with a festive array of colours including the newborn stars glowing blue as a result of their immensely high temperatures. NGC 5559 was discovered by astronomer William Herschel in 1785 and lies approximately 240 million light-years away in the northern constellation of Boötes (the herdsman) In 2001, a calcium-rich supernova called 2001co was observed in NGC 5559. Calcium-rich supernovae (Ca-rich SNe) are described as “fast-and-faint”, as they're less luminous than other types of supernovae and also evolve more rapidly, to reveal spectra dominated by strong calcium lines. 2001co occurred within the disc of NGC 5559 near star-forming regions, but Ca-rich SNe are often observed at large distances from the nearest galaxy, raising curious questions about their progenitors.
Credit: ESA/Hubble & NASA Coordinates Position (RA): 14 19 12.85 Position (Dec): 24° 47' 55.28" Field of view: 1.35 x 1.22 arcminutes Orientation: North is 4.0° right of vertical Colours & filters Band Wavelength Telescope Optical B 438 nm Hubble Space Telescope WFC3 Optical B 438 nm Hubble Space Telescope WFC3 Optical V 606 nm Hubble Space Telescope WFC3 Optical V 606 nm Hubble Space Telescope WFC3 Optical Redshifted H-Alpha+NII 665 nm Hubble Space Telescope WFC3. |
Date | 4 September 2017, 06:00 (release) |
Source | http://spacetelescope.org/images/potw1736a/ http://spacetelescope.org/static/archives/images/original/potw1736a.tif |
Author | Credit: ESA/Hubble & NASA |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:44, 4 September 2017 | 2,047 × 1,841 (7.19 MB) | Fabian RRRR (talk | contribs) | =={{int:filedesc}}== {{Information |description={{en|1='''Mysterious supernovae''' Like firecrackers lighting up the sky on New Year’s Eve, the majestic spiral arms of NGC 5559 are alight with new stars being born. NGC 5559 is a spiral galaxy, with... |
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Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 09:13, 27 October 2016 |
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