NASA & SPACE NEWS
(NASA) – The irregular galaxy Arp 263 lurks within the background of this picture from the NASA/ESA Hubble Area Telescope, however the view is dominated by a stellar photobomber, the intense star BD+17 2217.
Arp 263 often known as NGC 3239 is a patchy, irregular galaxy studded with areas of current star formation, and astronomers imagine that its ragged look is because of its having shaped from the merger of two galaxies.
It lies round 25 million light-years away within the constellation Leo.
Two totally different Hubble investigations into Arp 263, utilizing two of Hubble’s devices, contributed information to this picture.
The primary investigation was a part of an effort to look at the websites of current supernovae, such because the supernova SN 2012A that was detected simply over a decade in the past in Arp 263.
Astronomers used Hubble’s highly effective Vast Subject Digicam 3 to seek for lingering remnants of the colossal stellar explosion.
The second investigation is a part of a marketing campaign utilizing Hubble’s Superior Digicam for Surveys to picture all of the beforehand unobserved peculiar galaxies within the Arp catalog, together with Arp 263, in an effort to discover promising topics for additional examine utilizing the NASA/ESA/CSA James Webb Area Telescope.
The interloping foreground star, BD+17 2217, is adorned with two units of crisscrossing diffraction spikes.
The interplay of sunshine with Hubble’s inner construction signifies that concentrated brilliant objects, equivalent to stars, are surrounded by 4 outstanding spikes. Since this picture of BD+17 2217 was created utilizing two units of Hubble information, the spikes from each photographs encompass this stellar photobomber.
The spikes are at totally different angles as a result of Hubble was at totally different orientations when it collected the 2 datasets.
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