... With intend to check the validity of the new generation of massive star model atmosphere codes in terms of flux distribution. We take into account the effect of the nebular density distribution in our analyses. types of stellar and nebular observations have been collected for this purpose. ounding this, we ionizing Various arXiv:astro-ph/0702363v1 14 Feb 2007 Key Words: STARS: EARLY-TYPE -- STARS: INDIVIDUAL: HD 37061 -- H II REGIONS -- ISM: IONIZATION MODELS -- ISM: INDIVIDUAL OBJECTS: M 43 1. ...
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Ссылки http://www.atnf.csiro.au/people/Angel.Lopez-Sanchez/proceedings/sergio2007.pdf -- 156.6 Кб -- 03.02.2008 Похожие документы
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
... 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 Похожие документы