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http://www.atnf.csiro.au/ATNF-DailyImage/archive/2016/03-Feb-2016.html.
http://www.atnf.csiro.au/ATNF-DailyImage/archive/2016/03-Feb-2016.html.
1. ATNF Daily Astronomy Picture
... Wide-angle tail radio galaxy in Abell 3627 . ... At the centre of the Norma Cluster (Abell 3627), which is located in the middle of the Great Attractor overdensity, lies the wide-angle tail galaxy PKS B1610-608. The above image shows the extended 20-cm radio continuum emission, mapped using archival data from the Australia Telescope Compact Array (ATCA). ... Abell 3627 is a rich cluster with about 5 10 15 solar masses and is a strong X-ray emitter. ... today * ATNF | ... ATCA | ...
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Ссылки http://www.atnf.csiro.au/ATNF-DailyImage/archive/2015/12-Feb-2015.html -- 3.7 Кб -- 10.04.2016
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2. http://www.atnf.csiro.au/research/masermeeting/web_papers/523_Rudnitskij.pdf
... Twenty-Six Year Monitoring of Water Masers IAU Symposium 242, Alice Springs 1 Contents of the work A sample of H2O maser emission sources has been observed since 1980. ... Rudnitskij et al. ... Twenty-Six Year Monitoring of Water Masers IAU Symposium 242, Alice Springs 4 Maser in a protoplanetary disc (S255) Flux density, Jy S255: H2O line profile 5 February 2002 Radial velocity, LSR, km/s Rudnitskij et al. ... Twenty-Six Year Monitoring of Water Masers IAU Symposium 242, Alice Springs 12 ...
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Ссылки http://www.atnf.csiro.au/research/masermeeting/web_papers/523_Rudnitskij.pdf -- 481.0 Кб -- 26.04.2007
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3. http://www.atnf.csiro.au/iau-comm31/pdf/Leap%20Second.pdf
metrologia The leap second: its history and possible future R. A. Nelson, D. D. McCarthy , S. Malys, J. Levine, B. Guinot, H. F. Fliegel , R. L. Beard and T. R. Bartholome w Abstract. This paper reviews the theoretica l motivatio n for the leap second in the context of the historica l evolutio n of time measurement . Th e periodic insertio n of a leap second step into th e scale of Coordinate d Universal Time (UTC) necessitates frequent changes in comple x timekeepin g systems an d is currentl y th e
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Ссылки http://www.atnf.csiro.au/iau-comm31/pdf/Leap%20Second.pdf -- 382.0 Кб -- 26.09.2010
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