The Texas survey of radio sources covering -35.5{deg} < {delta} < 71.5{deg} at 365MHz . ... We present the Texas Survey of discrete radio sources between -35.5deg and 71.5deg declination (B1950), which was carried out at 365MHz with the Texas Interferometer during 1974-1983. ... The Texas Survey . ... The sources in the simpler model. ... Right Ascension 1950 . ... field separator . ... Some sources came from Version 6 of the Texas Survey ('TS6' in strp field) or Version 7 ('TS7' in strp field) . ...

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• Contingency Plans
• Статья

... Hidden Hollow 2008 . ... Prizes . ... door prizes! ... May 2 - 4, 2008 . ... The Hidden Hollow weekend Star Party at Warren Rupp Observatory . ... As always, we raffle our door prizes by allowing you to purchase tickets for only the items you select. ... Your door prize raffle ticket purchase is key to continuing the Legend of Hidden Hollow. We'd like to thank all of our fine guests from 2005 on for their generosity in raffle ticket purchases and have allowed us to venture into a 2008 star party! ...

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• Astrophysics
• Mars Links Page

... 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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... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

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• The February 2016 Night Sky | Astronotes
• Helene: Image of the Month | Astronotes

... Цвет: серый/светло-коричневый, синий/светло-коричневый, черный . Демократичные кеды - правильная обувь для мужчин, которые ценят тандем стиля и комфорта! ... Размер: 39, 40, 41, 42, 43, 44, 45, 46 . Книга знакомит с федеративным устройством России. Россия состоит из 85 частей - субъектов, или регионов, о каждом из которых вы найдете информацию в этом словарике. ... Страна - Россия. Цвет: Фиолетовый . ... Step Puzzle Кубики Маша и Медведь Краска - Step Puzzle - Step Puzzle . ...

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• Топы Sisters point - Sisters point - Sisters point Встраиваемый светильник
• Футболка Sisters Point Модель: 24863428 - Sisters Point - Sisters Point
• Мышь проводная Dialog Pointer Optical MOP-04BU Платье Love &amp; Light

Download Izmccd (~2.7 MB). ... a) a choice of the best mode of measurements of stars and objects ("Properties/Measurement"), . b) a choice of reference stars. ... 1) necessity of presence on an image of a plenty of stars (we recommend to apply this mode, if on the frame of reference stars is more 100) . ... Sx and Sy depend from residuals at all reference stars (reference stars are marked by blue color). ... These residuals are the image of the star a minus function of a profile for each pixel. ...

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... System of astrometric databases of Pulkovo observatory . Authors of project: E.V. Khrutskaya (manager of project), I.S. Izmailov, S.I. Kalinin, T.P. Kiseleva, M.Ju. ... Catalog of double stars . ... Authors of project: E. V. Miletsky (manager of project), V. G. Ivanov, Yu. A. Nagovitsyn. Interactive database of solar activity . Authors of project: E. V. Miletsky (manager of project), D. V. Volobuev, V. G. Ivanov, Yu. ... Authors of project: Yu. A. Nagovitsyn (manager of project). ...

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• ASTROMETRIA

... Help the observer to classify the variables as classical Cepheids (C1), type II Cepheids (C2) and RR Lyrae stars (R). ... Notes: Classical Cepheid stars are a type of pulsating variable stars, which show linear relationship between period of pulsation and absolute luminosity in a log-log plot. ... RR Lyrae stars are another type of pulsating variable stars which show very short period (less than 1 day) of pulsation and for all RR Lyrae stars, the absolute luminosity is nearly constant. ...

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• The XVIII International Astronomy Olympiad, information before Olympiad
• XVII International Astronomy Olympiad, information before Olympiad
• XIX International Astronomy Olympiad, information before Olympiad

... astro-ph . ... A Catalog of almost 3900 variable stars . ... Properties of Dust Grains in Planetary Nebulae - I. The Ionized Region of NGC 6445 . ... A model of the ionized region is constructed, using the photo-ionization code CLOUDY 90.05. ... The most likely conclusion is that grains are residing inside the ionized region of NGC 6445 and that the low temperature and flux of the grain emission are caused by the low luminosity of the central star and the low optical depth of the grains. ...

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