The NASA/ESA Hubble Space Telescope has produced this beautiful image of the spiral galaxy NGC 5559.
This Hubble image shows the barred spiral galaxy NGC 5559, which lies in the constellation Boötes, about 252 million light-years away. Image credit: NASA / ESA / Hubble.
Lying around 252 million light-years from us in the northern constellation of Boötes, NGC 5559 (also known as LEDA 51155 and UGC 9166) is a magnitude 14.1 barred spiral galaxy.
It was discovered by the British astronomer William Herschel on April 10, 1785.
NGC 5559’s majestic spiral arms are 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 colors including the newborn stars glowing blue as a result of their immensely high temperatures.
In June 2001, a calcium-rich Type Ib/c supernova called SN 2001co was observed in this galaxy.
Calcium-rich supernovae 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.
SN 2001co occurred within the disc of NGC 5559 near star-forming regions, but calcium-rich supernovae are often observed at large distances from the nearest galaxy, raising curious questions about their progenitors.
The newly released image of NGC 5559 is a composite of separate exposures acquired by Hubble’s Wide Field Camera 3 (WFC3).
Three filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter.
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