... Credit Copyright: Damian Peach Explanation: One of the largest sunspot regions in recent years is now crossing the Sun. This region of convoluted magnetic fields may well produce a solar flare that releases a cloud of energetic particles into the Solar System. ... Pictured above is the sunspot region as it appeared two days ago. ... No one knows what this sunspot region will do, but space weather researchers are monitoring it closely. ... Publications with keywords: sunspot . ... Sunspot Castle . ...

... 2013 July 10 . Large Sunspots Now Crossing the Sun . ... Explanation: One of the largest sunspot regions in recent years is now crossing the Sun. This region of convoluted magnetic fields may well produce a solar flare that releases a cloud of energetic particles into the Solar System. ... The darkest sunspot regions contain nearly vertical magnetic fields and are called umbras, while the surrounding bronze regions -- more clearly showing stringy magnetic flux tubes -- are called penumbras. ...

... 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" . ...

... 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. ...

... The are two main sources of magnetospheric electric fields. The other is the solar wind related, dawn-to-dusk directed ("convection") field, and the other is the co-rotation electric field related to the rotation of the Earth along its spin axis. The electric fields have a strong effect on the drift paths of the magnetospheric plasma . ... The energetic particles, following the magnetic drifts more readily, are also affected by the convection field. ... Space Physics Text Book of Oulu ...

... HST . ... Data . ... The first four cluster/blank field pairs will be observed with Director's Discretionary time in Cycles 21 and 22. The observations of the final two cluster/blank field pairs in Cycle 23 will be contingent on the initial results from Cycle 21/22. ... The program devotes 140 orbits to each cluster/blank field pair, achieving AB — 28.7-29 mag optical (ACS) and NIR (WFC3) imaging with 560 orbits in Cycles 21/22. ... Frontier Fields Locations Cluster Candidate List Copyright | ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... ESO Acronyms . ... Survey Telescopes . ... Images . ... Star Clusters . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... Stars@ESO . ... ESO Science Newsletter . ... VST . ... The first released VST image shows the spectacular star-forming region Messier 17, also known as the Omega Nebula or the Swan Nebula, as it has never been seen before. ...

... 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 . ...

... On October 28 in SSAU a meeting of representatives of the French Aerospace Companies Association (GIFAS) with the heads of Samara Region ministries, industrial enterprises and Samara State Aerospace University. ... In particular, Frederic LeMullet , BeAM Vice President presented know-how in the field of additive technologies and metal 3D-printing. Mr. LeMullet expressed readiness to cooperate in this area with SSAU Laboratory of Additive Technologies, as well as the region enterprises. ...

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

... 368, 2007 Petr Heinzel, Ivan Dorotovi and Robert J. Rutten, eds. c Some Structural Prop erties of Solar Magnetic Fields B. Ioshpa, E. Mogilevskii and V. Obridko IZMIRAN, Troitsk, Moscow Region, Russia Abstract. We discuss some results of the study of spatial characteristics of solar magnetic fields. ... The global fractal numbers of space distribution of magnetic field on solar surface is closely connected with the mean absolute values of the longitudinal magnetic field for this surface. ...

... 1993: . Based on the microwave observations of the Sun on the RATAN-600 and the Large Pulkovo Radio Telescope with high spatial and frequency resolution a new model of interaction of the photospheric and coronal magnetic fields in active regions was finalized. ... Archive . ...

SAS home . ... EPIC background spectra are normally extracted from regions of the observation field-of-view, once "contamination" due to individual discrete celestial sources has been removed. ... In order to cope with this situation, blank sky event lists can be downloaded from the XMM-Newton Science Operations Center web site. ... It is in principle possible as well to extract background spectra from blank field event lists, if the spectrum accumulation regions are defined in sky coordinates. ...

... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...

... Shustov B.M., Wiebe D.S. Dust expelling from the Galaxy ( abstract from the journal ). Astronomy Reports , 1995, 39 , 578-586 [AZh, 72 , 650-659]. Wiebe D.S., Shematovich V.I., Shustov B.M. Chemical and dynamical evolution of protostellar clouds: initial stages of collapse ( abstract from the journal ). ... Shustov B.M., Wiebe D.S., Tutukov A.V. Evolution of disk galaxies and loss of heavy elements into the intracluster medium. ... ApJ (Letters), 1998, 503 , L71-L74 ( astro-ph/9806155 ). ...

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. ...

... Star Atlas . ... stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... As stars form, magnetic fields influence regions big and small . Even though cosmic magnetic fields are much weaker than Earth's magnetic field, they have an important effect in regulating how stars form. ... RELATED TOPICS: STARS | ... The magnetic fields only became misaligned on the smallest scales in cases where strong feedback from newly formed stars created other motions. ...

... I.V. Borisenko, I.M. Kotelyanski, P. V. Komissinski, A.V. Shadrin, G. A. Ovsyannikov 'Josephson dynamics of [100] tilted YBCO bicrystal junctions on NdGaO 3 ' Applied Superconductivity conference, USA, 2004 . ... 31, No. 4, 2005, pp. ... Igor V. Borisenko, Iosif M. Kotelyanski, Anton V. Shadrin, Philippe V. Komissinski, and Gennady A. Ovsyannikov, "Characterization and Dynamics of [100]-Tilted Y-B-C-O Bicrystal Junctions on NdGaO3", IEEE Transactions on Applied Superconductivity, Vol. ...

Compilation of Group membership . HyperLeda home | Documentation | ... This compilation gives the membership of object to an association . An assosiation is defined as a group or cluster of galaxies, or more generally as a collection of objects associated through some of their attributes. ... membership defined from a hierarchical method) . ... membership defined from a percolation method) . ... membership defined from a method combining percolation and hierarchical algorithms) . ...

... Home address: . ... Panchuk V.E., Yermakov S.V. On the problem of measurement of radial velocity. ... Klochkova V.G., Ermakov S.V., Panchuk V.E. Express method of search for strong magnetic fields. ... Klochkova V.G., Ermakov S.V., Panchuk V.E. High resolution spectroscopy of selected faint stars. ... Klochkova V.G., Ermakov S.V., Panchuk V.E. Atlas spectra of F-, G-stars. ... Ermakov S.V., Klochkova V.G., Panchuk V.E., Zhao G. The chemical composition of halo stars, Astron. ...