IC 2497's active core produced a quasar — a powerful beacon of light powered by a black hole — researchers said. The quasar shot a broad beam of light in the direction of Hanny's Voorwerp

We present new Nuclear Spectroscopic Telescope Array (NuSTAR) observations of the core of IC 2497, the galaxy associated with Hanny's Voorwerp. The combined fits of the Chandra (0.5-8 keV) and NuSTAR (3-24 keV) X-ray spectra, together with WISE mid-IR photometry, optical longslit spectroscopy and optical narrow-band imaging, suggest that the galaxy

IC 2497 is a spiral galaxy located about 650 million light-years distant in the small northern constellation of Leo Minor. Although similar in size to our Milky Way, it appears very small and faint due to its vast distance from us. IC 2497: A Black Hole Story Told by a Cosmic Blob and Bubble. Hanny's Voorwerp, a cloud of gas, is glowing due to radiation from the giant black hole at the center of the galaxy IC 2497. Astronomers think the giant black hole in IC 2497 used to power a quasar in the past, but has faded in the last 200,000 years.

Ic 2497

IC 2497 is a spiral galaxy close to the intergalactic cloud Hanny's Voorwerp. IC 2497 is a former quasar, whose light lit up Hanny's Voorwerp, which is now a light echo of that extinct quasar. It is about 45,000–70,000 light-years (14,000–21,000 pc) away from Hanny's Voorwerp. The quasar shut down sometime in the last 70,000 years. IC 2497 is a spiral galaxy located about 650 million light-years distant in the small northern constellation of Leo Minor. Although similar in size to our Milky Way, it appears very small and faint due to its vast distance from us. Hanny's Voorwerp, a cloud of gas, is glowing due to radiation from the giant black hole at the center of the galaxy IC 2497.

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Provided to YouTube by FreshTunesIc 2497, Pt. 3 · GødelHanny's Voorwerp℗ 2021 GødelReleased on: 2021-02-20Auto-generated by YouTube. 2012-10-29 · Hence, IC 2497, coupled to Hanny’s voorwerp, is special for the possibility that it now represents a quasar which has “died” or switched-off within the last 100,000 years (a relatively short about of time cosmologically speaking). 2012-06-17 · We present Hubble Space Telescope imaging and spectroscopy for the extended high-ionization cloud known as Hanny's Voorwerp, near the spiral galaxy IC 2497.

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Hanny's Voorwerp, a cloud of gas, is glowing due to radiation from the giant black hole at the center of the galaxy IC 2497. Astronomers think the giant black hole in IC 2497 used to power a quasar in the past, but has faded in the last 200,000 years. Chandra data suggests that jets powered by the black hole have blown a bubble in surrounding gas.

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NH Bigelow, LB Brubaker, ME Edwards, SP Harrison, IC Prentice, PM Anderson, AA Andreev, PJ Bartlein, Torben Christensen, W Cramer, JO Kaplan, AV

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We present Hubble Space Telescope imaging and spectroscopy, along with supporting Galaxy Evolution Explorer and ground-based data, for the extended high-ionization cloud known as Hanny's Voorwerp, near the spiral galaxy IC 2497.