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IC 755, also known as NGC 4019,[3] is a barred spiral galaxy.[6] It lies about 60 million light-years away (18 Megaparsecs)[4] in the northern constellation of Coma Berenices. It is a member of the Virgo Cluster.[5]
In 1999 a star within IC 755 was seen to explode as a supernova and named SN 1999an.[4] Supernovae like SN 1999an are classified as Type IIs[4] and they are dramatic events that mark the end of the lives of massive stars. The supernova was discovered by the Beijing Astronomical Observatory Supernova Survey.
^"Edge-on Galaxy Hosts Supernova Explosion". Picture of the Week. ESA/Hubble. Retrieved 18 July 2011.
^ abSkrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
^ abcde"IC 755". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-02.
^ abcdSmartt, S. J.; Eldridge, J. J.; Crockett, R. M.; Maund, J. R. (2009). "The death of massive stars - I. Observational constraints on the progenitors of Type II-P supernovae". Monthly Notices of the Royal Astronomical Society. 395 (3): 1409–1437. arXiv:0809.0403. Bibcode:2009MNRAS.395.1409S. doi:10.1111/j.1365-2966.2009.14506.x. S2CID 3228766.
IC755, also known as NGC 4019, is a barred spiral galaxy. It lies about 60 million light-years away (18 Megaparsecs) in the northern constellation of...
44 IC755 (NGC 4019) IC 831 IC 838 IC 848 IC 3031 IC 3053 IC 3222 IC 3278 IC 3389 IC 3403 IC 3441 IC 3482 IC 3505 IC 3528 IC 3622 IC 3683 IC 3789 IC 4017...
44 IC755 (NGC 4019) IC 831 IC 838 IC 848 IC 3031 IC 3053 IC 3222 IC 3278 IC 3389 IC 3403 IC 3441 IC 3482 IC 3505 IC 3528 IC 3622 IC 3683 IC 3789 IC 4017...
1995, which radio data is presented for IC 3078 and 898 other Markarian galaxies which was observed at v=4.755 GHz through the NRAO-Green Bank 300 foot...
44 IC755 (NGC 4019) IC 831 IC 838 IC 848 IC 3031 IC 3053 IC 3222 IC 3278 IC 3389 IC 3403 IC 3441 IC 3482 IC 3505 IC 3528 IC 3622 IC 3683 IC 3789 IC 4017...
44 IC755 (NGC 4019) IC 831 IC 838 IC 848 IC 3031 IC 3053 IC 3222 IC 3278 IC 3389 IC 3403 IC 3441 IC 3482 IC 3505 IC 3528 IC 3622 IC 3683 IC 3789 IC 4017...
{e}})))-c({\hat {e}})\right]\geq {\bar {u}}} and the agent's "incentive compatibility (IC)" constraint, E [ u ( w ( y ( e ^ ) ) ) − c ( e ^ ) ] ≥ E [ u ( w ( y ( e...
of new forms and the fast evolution of IC. A challenge that needs to be overcome in the future development of IC is the preparation of highly efficient...
of Defence (Army Branch)" (PDF). The Gazette of India. 16 April 2022. p. 755. "Part I-Section 4: Ministry of Defence (Army Branch)" (PDF). The Gazette...
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functional on the initial flight, a first for NASA. It was the first time the S-IC first stage and S-II second stage flew. It also demonstrated the S-IVB third...
consequently much lower luminosity and radius values of around 86,300–87,100 L☉ and 755 R☉ respectively. However, the Gaia parallax might be unreliable, at least...
Arp 147 (also known as IC 298) is an interacting pair of ring galaxies. It lies 430 million to 440 million light years away in the constellation Cetus...
four-carriage Class 755 units for taking over all local diesel services from the previous outdated rolling stock. By July 2020, all Class 755 trains had entered...
Electroluminescence using higher work function cathodes". Polymer. 24 (6): 755–762. doi:10.1016/0032-3861(83)90015-0. Tang, C. W.; Vanslyke, S. A. (1987)...
Retrieved 8 April 2024. QuickView - DS4026 10 MHz to 51.84 MHz TCXO. Maxim-ic.com. Retrieved on 2010-02-08. CB Radio Frequency Synthesis explanation. Glodark...
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constellation of remote-sensing satellites and operates the GAGAN and IRNSS (NavIC) satellite navigation systems. It has sent three missions to the Moon and...
navy in April. He received severance pay of 200 Reichsmarks (equivalent to €755 in 2021) a month for the next two years. Heydrich married Lina in December...
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