... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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Album : asv-album ::Travels to distant places and countries . ... 2004/08 Penza (Russia) . 2005/07 Penza (Russia) . ... 2008/07 Penza (Russia) . ... 2009/06 Rome (Italy) . ... 2009/08 Ryazan (Russia) . 2009/10 Penza (Russia) . ... 2010/08 Penza (Russia) . ... 2012/09 Penza (Russia) . ... 2013/02 Bordeaux (France) . ... 2013/07 St.Petersburg (Russia) . ... 2015/05 Muranovo, Moscow Region (Russia) . ... 2015/08 Sergiev Posad (Russia) . 2015/08 Tarkhany, Penza region (Russia) . ...

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... Tonight's Sky . ... Observing . ... Sky this Month . ... Star Atlas . ... stars . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... How do neutron stars generate steady magnetic fields? ... How can a neutron star exist if those neutrons are just going to pieces? Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Magnetic fields, subatomic particles, etc., traveling in different directions
• Previously understood that magnetic fields were directly related to rotation,
• Iceland: Northern Lights, Lava Fields, and Glaciers | Astronomy.com

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... In the presence of only uniform magnetic field B , the motion of a charged particle can be described with gyration about the guiding center and motion along the field line. ... In the precence of both magnetic and electric fields, the equation of motion for charged particle (mass m, charge q) is m d v /dt = q ( E + v x B ). ... Because v is independent of the mass and sign of the charge, it is the same for negatively and positively charged particles, and does not create electric current. ...

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... Note you are not allowed to nest FORM elements! ... Forms are created by placing input fields within paragraphs, preformatted text, lists and tables. ... Notice the use of the NAME attribute to name each field : TITLE Sample Questionaire /TITLE H1 Sample Questionaire /H1 P Please fill out this questionaire: FORM METHOD=post ACTION= http://www.hal.com/sample P Your name : input name = name size= 48 P input name = male type =radio Male P input ...

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... Takuya Akahori "Faraday Rotation Measure due to the Intergalactic Magnetic Field" . Shae Brown "Cross-correlation of ATLAS and Spitzer-SWIRE Surveys: Probing intergalactic magnetic fields" . Roger Clay "Using low energy cosmic rays to investigate local galactic magnetic fields" . Roland Crocker "A new lower limit on the magnetic field around the Galactic Centre" . ... JinLin Han "Rotation measures of pulsars and radio sources for Galactic magnetic fields" . ...

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... A second method to account for illumination problems in the flat fields is to remove the large scale pattern from the flat field itself. This is useful if there are no reasonable blank sky calibration frames and the astronomical exposures are evenly illuminated but the flat fields are not. ... Obviously, after having obtained the illumination corrected flat field it is reasonable to replace the original flat fields by the corrected flat fields in the reduction table. ...

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... Bit Fields . Bit Fields: Practical Example . ... NOTE: The combination of pointers and bit-level operators makes C useful for many low level applications and can almost replace assembly code. ... To illustrate many points of bitwise operators let us write a function, Bitcount , that counts bits set to 1 in an 8 bit number ( unsigned char ) passed as an argument to the function. int bitcount(unsigned char x) { int count; for (count=0; x != 0; x>>=1); if ( x & 01) count++; return count; } . ...

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... 2 Magnetic Field . ... A magnetized bar has its power concentrated at two ends, its poles ; they are known as its north (N) and south (S) poles, because if the bar is hung by its middle from a string, its N end tends to point northwards and its S end southwards. ... That flow became known as an electric current . ... An electric current produced a magnetic force! ... The fundamental nature of magnetism was not associated with magnetic poles or iron magnets, but with electric currents . ...

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... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: The role of magnetic fields in the intermediate-mass star formation process . ... Spectropolarimetric observations of Herbig Ae/Be stars indicate that magnetic fields are important ingredients of intermediate mass star formation. To properly understand the physics involved in the intermediate mass star formation process, it is particularly important to know the origin of the magnetic fields in these stars. ...

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... Fields Observed . ... Data Archive . ... Complete Optical and X-ray data for all ChaMPlane fields are available through the DS9 VO interface . ... functionality of DS9 is available to manipulate the results in addition to those provided by the "Champlane tools" You can select images, compare . ... our region of interest has been selected by drawing a red square region on the image. at bottom left the high res optical image of that selected region, and on the right is the X-ray image. ...

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Courtesy of NASA's National Space Science Data Center . Launch Date: 1971-09-28 . ... On-orbit dry mass: 5,600.00 kg. (12,320 lb.) Luna 19 was placed in an intermediate earth parking orbit and, from this orbit, was sent toward the Moon. It was placed in a lunar orbit on October 3, 1971. Luna 19 extended the systematic study of lunar gravitational fields and location of mascons (mass concentrations). ... Space History . ...

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... Bojan Nikolic web pages home . ... I've uploaded a new version the "bnlib" library that amongst other items contains the code to generate very large simulations of turbulent fields. ... http://www.mrao.cam.ac.uk/~bn204/alma/memo-turb.html#Current+version+of+library%3A+V1.3 . ... http://www.mrao.cam.ac.uk/~bn204/publications/2008/ALMASim08.pdf . Please enable JavaScript to view the comments powered by Disqus. blog comments powered by Disqus . Copyright 2012, Bojan Nikolic feedback welcome ...

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• _element struct Reference
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... An Active Region of the Sun . ... This false-color image depicts an active region near an edge of the Sun. ... NGC 4314: A Nuclear Starburst Ring . ... Is this old galaxy up to new tricks? ... During that time, a nuclear ring of bright young stars has been evolving. Giant Cluster Bends, Breaks Images . ... Many are images of a single, unusual, beaded, blue, ring-like galaxy which just happens to line-up behind a giant cluster of galaxies. ... NGC 6070: First Light for Sloan . ... A Mars Glint . ...

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Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...

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... The Wide Field Spectral Imager ( WISPI ) seen here in the Roll Roof Facility provides visible and near-infrared spectra of the sky across 4 degree fields. ... A computer controlled mounting automates the acquisition of 2-D rastered spectral images. ... Light from the sky enters the large 400mm lens at top center, is imaged on the slit, collimated by the smaller 180 mm lens, and diffracted by the grating at the bottom toward the 200mm lens and CCD camera on the right. ... Camera - 200mm f/2 Nikor ED ...

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... Upon successful generation of these files, the Script Generator notifies the Queue Manager that a collection is ready to be processed. ... The Script Generator informs the Queue Manager of the collection that is waiting to be processed and also tells how many sub-stages there are to the job and what type of processing each sub-stage requires. The Queue Manager manages the various sub-stages, and if all are successful, alerts the BIMA Data Archive of the new data products to ingest. ...

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MAGNETIC FIELDS IN STARS John Landstreet, Leverhulme Visiting Professor at Armagh Observatory Eight one-hour lectures supplemented by approximately eight hours of supplementary reading and eight hours of short problems and exercises. ... Lecture 1 An overview of the place of magnetic fields in stellar evolution, from star formation to final collapse -- where fields are found, what phenomena they are associated with, what importance they may have. ... Final review of the course. ...

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Origin & Evolution of Magnetic Fields Ellen Zweibel zweibel@astro.wisc.edu Depar tments of Astronomy & Physics University of Wisconsin, Madison and Center for Magnetic Self-Organization in Laboratory and Astrophysical Plasmas Origin & EvolutionofMagnetic Fields ­ p.1/17 Importance of the Problem A cosmological problem. ... Interplay with ISM studies Structure of galactic fields on large & small scales? How do fields affect turbulence? ... Origin & EvolutionofMagnetic Fields ­ p.7/17 We Also Know.. ...

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