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IC 2497
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<h2 id="further-reading">Further reading</h2> <ul><li>Schawinski, K.; et al. (2010). <a href="https://doi.org/10.1088%2F2041-8205%2F724%2F1%2FL30">"The Sudden Death of the Nearest Quasar"</a>. <i><a href="/facts/The_Astrophysical_Journal_Letters/jSYn0eez">The Astrophysical Journal Letters</a></i>. 724 (1): L30 – L33. <a href="/facts/ArXiv_(identifier)/H6EtgnBe">arXiv</a>:<a href="https://arxiv.org/abs/1011.0427">1011.0427</a>. <a href="/facts/Bibcode_(identifier)/9HtdQSGB">Bibcode</a>:<a href="https://ui.adsabs.harvard.edu/abs/2010ApJ...724L..30S">2010ApJ...724L..30S</a>. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1088%2F2041-8205%2F724%2F1%2FL30">10.1088/2041-8205/724/1/L30</a>.</li> <li>Rampadarath, H.; et al. (2010). <a href="https://doi.org/10.1051%2F0004-6361%2F201014782">"Hanny's Voorwerp"</a>. <i><a href="/facts/Astronomy_and_Astrophysics/RYse1Cwy">Astronomy and Astrophysics</a></i>. 517: L8. <a href="/facts/ArXiv_(identifier)/H6EtgnBe">arXiv</a>:<a href="https://arxiv.org/abs/1006.4096">1006.4096</a>. <a href="/facts/Bibcode_(identifier)/9HtdQSGB">Bibcode</a>:<a href="https://ui.adsabs.harvard.edu/abs/2010A&A...517L...8R">2010A&A...517L...8R</a>. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1051%2F0004-6361%2F201014782">10.1051/0004-6361/201014782</a>.</li> <li>Józsa, G. I. G.; et al. (2009). <a href="https://doi.org/10.1051%2F0004-6361%2F200912402">"Revealing Hanny's Voorwerp: Radio observations of IC 2497"</a>. <i><a href="/facts/Astronomy_and_Astrophysics/RYse1Cwy">Astronomy and Astrophysics</a></i>. 500 (2): L33 – L36. <a href="/facts/ArXiv_(identifier)/H6EtgnBe">arXiv</a>:<a href="https://arxiv.org/abs/0905.1851">0905.1851</a>. <a href="/facts/Bibcode_(identifier)/9HtdQSGB">Bibcode</a>:<a href="https://ui.adsabs.harvard.edu/abs/2009A&A...500L..33J">2009A&A...500L..33J</a>. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1051%2F0004-6361%2F200912402">10.1051/0004-6361/200912402</a>.</li></ul> <h2 id="external-links">External links</h2> <ul><li> Media related to IC 2497 at Wikimedia Commons</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Paul Rincon (5 August 2008). "Teacher finds new cosmic object". BBC News. Retrieved 2010-11-11. <a href="http://news.bbc.co.uk/2/hi/science/nature/7543776.stm" target="_blank">http://news.bbc.co.uk/2/hi/science/nature/7543776.stm</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"IC 2497". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2010-11-11. <a href="http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=IC+2497" target="_blank">http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=IC+2497</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Cosmic Curiosity Reveals Ghostly Glow of Dead Quasar". ScienceDaily. 6 November 2010. Retrieved 2010-11-10. <a href="https://www.sciencedaily.com/releases/2010/11/101103171638.htm" target="_blank">https://www.sciencedaily.com/releases/2010/11/101103171638.htm</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Tudor Vieru (3 November 2010). "Shut Down Quasar Found Close By". Softpedia. Retrieved 2010-10-11. <a href="http://news.softpedia.com/news/Shut-Down-Quasar-Found-Close-By-164389.shtml" target="_blank">http://news.softpedia.com/news/Shut-Down-Quasar-Found-Close-By-164389.shtml</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Jon Voisey (3 November 2010). "What Hanny's Voorwerp Reveals About Quasar Deaths". Universe Today. Retrieved 2010-11-11. <a href="http://www.universetoday.com/77280/what-hannys-voorwerp-reveals-about-quasar-deaths/" target="_blank">http://www.universetoday.com/77280/what-hannys-voorwerp-reveals-about-quasar-deaths/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Cosmic Curiosity Reveals Ghostly Glow of Dead Quasar". ECN Magazine. Yale University. 3 November 2010. Archived from the original on 2011-07-19. Retrieved 2010-11-11. <a href="https://web.archive.org/web/20110719115142/http://www.ecnmag.com/News/2010/11/Cosmic-Curiosity-Reveals-Ghostly-Glow-of-Dead-Quasar/" target="_blank">https://web.archive.org/web/20110719115142/http://www.ecnmag.com/News/2010/11/Cosmic-Curiosity-Reveals-Ghostly-Glow-of-Dead-Quasar/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Tudor Vieru (3 November 2010). "Shut Down Quasar Found Close By". Softpedia. Retrieved 2010-10-11. <a href="http://news.softpedia.com/news/Shut-Down-Quasar-Found-Close-By-164389.shtml" target="_blank">http://news.softpedia.com/news/Shut-Down-Quasar-Found-Close-By-164389.shtml</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Lisa Grossman (2 November 2010). "Rare Dead Quasar Found in Nearby Galaxy". Wired. Retrieved 2010-11-11. <a href="https://www.wired.com/wiredscience/2010/11/quasar-shutdown/" target="_blank">https://www.wired.com/wiredscience/2010/11/quasar-shutdown/</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>2020ilb Transient Name Server entry for SN SN 2020ilb. Retrieved 26 March 2023. <a href="https://www.wis-tns.org/object/SN" target="_blank">https://www.wis-tns.org/object/SN</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> </ol>