... Sun images . Magnetic storms online . Sun flares . ... September : 2015 . ... X-ray emission of the Sun from 08.09.2015 to 09.09.2015 (GOES-15) . No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . Last updated: September 10, 2015 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

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• Solar flares online January 13, 2016
• Solar flares online January 15, 2014
• Solar flares online January 12, 2011

... The Sun of our solar system is a typical star of intermediate size and luminosity. ... The Sun has a very complex surface magnetic field created by convective flow of the electrically conducting solar material. ... The escaping hot coronal plasma is called the solar wind . ... See the table below for the observed features above the Sun's surface. ... Chromospheric features . Coronal features . ... dense clouds of material suspended above the surface of the Sun by magnetic field line loops . ...

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• Pi C [Oulu]
• Pi 2 [Oulu]
• Solar wind and IMF [Oulu]

Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 06 - 12.04.2015, Forecast on 13 - 20.04.2015, Carrington Rotation 2162 (27,93.03.2015) SUNSPOT-FORMING ACTIVITY OF THE SUN WAS AT THE AVERAGE LEVEL ALL DAYS. ... BY DATA OF CORONOGRAPHS SOHO AND STEREO WERE OBSERVED > 38 CME FROM WHICH FOUR WERE "PARTIAL HALO II" TYPE. ... R - solar rotations; KP - KIT PEAK solar observatory; EE-date of possible geomag. disturbance in the Earth's environment. ...

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• http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150323.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150622.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2014/obzor20141018.en.txt

Aims: We present an analysis of a galaxy (SAGE1CJ053634.78-722658.5) at a redshift of 0.14 of which the infrared (IR) emission is entirely dominated by emission associated with the active galactic nucleus. Methods: We present the 5-37 ЮМm Spitzer/IRS spectrum and broad wavelength spectral energy distribution (SED) of SAGE1CJ053634.78-722658.5, an IR point-source detected by Spitzer/SAGE. ... We compare the source with models of emission from dusty tori around AGNs. ...

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• Stars as Observed in the Infrared
• Change to COS FUV Pulse Height Filtering to Lower the Observed Dark Rate
• Selected telescopes I have observed with

... Science . ... Science Users Information > Science Activities > APEX Science Verification > SHFI . ... Observing Facilities . ... Observing with ESO Telescopes . ... Telescope Time Allocation . ... ESO Data . ... The Science Verification (SV) observations of the APEX Swedish Heterodyne Facility Instrument were observed in March 2008. ... A selection of the APEX-1 proposals listed below have been observed during the week of joint SV observations in March 2008, and later during the ESO time of period...

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• ESO - Thesis Topic: Foreground emission and Cosmic Microwave background
• ESO - The Origin and Fate of the Sun: Evolution of Solar-mass Stars Observed
• ESO - Thesis Topic: Dust in the Crab Nebula Supernova Remnant

P. Frisch - Warm partially ionized interstellar gas at the Sun . ... W. M. Goss - Time variations in small-scale galactic HI structure toward 3C138 . S. Stanimirovic - Does tiny-scale atomic structure exist in the ISM? ... T. Bania - The distance to molecular clouds via HI self-absorption . ... C. Heiles - Arecibo Millennium Survey statistics of magnetic field, column density and turbulence in the CNM . R. Crutcher - Magnetic fields in molecular clouds . ...

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• Example Observing Projects
• Spectral-Line Observing
• Comets National Astronomy and Ionosphere Center (Arecibo Observatory)

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We have obtained simultaneous high resolution H alpha and Na I D spectra of five dwarf M stars that span a wide range in chromospheric activity level. ... However, the H alpha line systematically indicates a value for the mass loading at the onset of the Transition Region and the location of T_min that is 0.4 dex lower in column mass density than that indicated by NaI D. Therefore, the profile of both lines cannot be simultaneously well fit for all but one of our stars. ...

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• http://star.arm.ac.uk/~ambn/abstract165.html
• Armagh Observatory
• J.G. Doyle, Research Astronomer

Next: Radio pulse characteristics Up: An overview Previous: The structure of neutron . Typically Gauss for normal pulsars . Consistent with flux conservation during stellar collapse . ... Gravity dominates stellar structure . B field dominates exterior . Stellar surface is so small that observed emission is dominated by the magnetic field. ... Only field lines inside light cylinder are closed . Particles are constrained move along field lines . ...

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• Lunar Observing Activities for Wildflowers in the Sky
• Are Seyferts dominated by starburst activity?
• The Grus-Quartet

Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

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• The Sunspot Observer - Average annual indices of solar activity NGDC -
• The Sunspot Observer - Average annual indices of solar activity NGDC - April,
• The Sunspot Observer - Average annual indices of solar activity NGDC - March,

... the time of observation . ... Observing the Changing Position of the Sun To Establish Cardinal Directions . ... Observations of the Sun's apparent movement across the sky and its pattern of rising and setting in the east and west horizon helped to establish the cardinal directions. ... The final stage of the Sun's return was marked by the observation that the Sun had reached its highest altitude when the full width of your mitted hand could fill the gap between the Sun and the horizon. ...

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• ASP: Good Astronomy Activities on the WWW
• ASP: AstroCappella - A Musical Exploration of the Universe
• ASP: The Universe At Your Fingertips Activities TOC

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Research results on fast active processes General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases ... Distribution of the recorded spikes in duration . ...

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Product: Report of Solar-Geophysical Activity :Issued: 2016 Apr 08 2200 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. ... Analysis of Solar Active Regions and Activity from 07/2100Z to 08/2100Z: Solar activity has been at low levels for the past 24 hours. ... Geophysical Activity Summary 07/2100Z to 08/2100Z: The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. ...

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• Prediction technique
• Solar Energetic Particles
• Multipoint correlations of the solar wind parameters observed by several

Next: Radial velocity of the Up: Optical spectrum of IRAS04296 Previous: Observations and spectra reduction . ... However, molecular emission features are only very rarely observed in the optical spectra of PPNe. ... On the other hand, it is well known that cometary nuclei spectra show prominent Swan band emission. In both spectra of IRAS04296 we have discovered strong emission in the (0;0) and (0;1) bands of the Swan system of the molecule. ... Now consider the case of IRAS04296. ...

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• Fabry-Perot Interferometer: Gallery Old
• SCORPIO: IFP Gallery
• Laboratory of spectroscopy and photometry of extragalactic objects : Vortex1

PENTICTON SOLAR RADIO FLUX VALUES (from SGD Explanation of Data Reports) Daily Solar Flux Values - Penticton -- Daily measurements of the integrated emission from the solar disc at 2800MHz (10.7cm wavelength) have been made by the National Research Council of Canada since 1947. ... The data are tabulated in two forms: the "observed flux" (S), and the "adjusted flux" (Sa). ... The "observed flux" values are useful in ionospheric physics and other terrestrial consequences of solar activity. ...

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• http://www.wdcb.ru/stp/data/cat6CDR/SUN%20data
• http://www.wdcb.ru/stp/data/solar.act/sunspot/sunspot.txt

... Right: cold gas traced by [CII] emission (red) accreting onto a primeval galaxy (green) at z=7.1 ( Maiolino et al. 2015 ) (image credit: ALMA Press Release ) . ... 2010 , Cicone, Maiolino et al. ... 2012 , Cicone, Maiolino et al. ... Right: observed distribution of the average stellar metallicities of passive and star forming galaxies in the local universe, supporting starvation/strangulation as primary quenching mechanism in low/intermediate mass galaxies ( Peng, Maiolino, Cochrane 2015 ). ...

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• Galaxy Evolution: Regulation of the ISM and Star Formation
• Example of an OOF analysis for the GBT
• Example of an OOF analysis for the GBT Bojan Nikolic web pages (r. 329)

... The new emission line galaxies are listed in Table 2 containing the following information: . column 1: The object's IAU-type name with the prefix HS. ... This was not corrected in the figure shown in Appendix A. HS1214+3801 : This is seemingly a supergiant H II -region at the very rim of the nearby edge-on disc galaxy (SA(s)cd) NGC 4244 (V hel = 224 kms -1 and B T =10.88). ... To check this option one needs a detailed map of the NGC 4244 velocity field including HS 1214+3801. ...

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• The sample description
• The Hamburg/SAO Survey for Emission-Line Galaxies
• The Fourth List

... Sun as a Source of Perturbation of Near-Earth Medium and Solar System Bodies. ... Tidal Influence of the Sun on the Earth. ... Structure of Solar Atmosphere. ... Observing Manifestations of Solar Activity. ... Forecasting of Solar Activity. ... Influence of Solar Activity on the Structure and Dynamics of Terrestrial Atmosphere. ... Problem of Mechanism of Solar-Troposphere Connections. ... Phenomenons in Auroral Zones of the Earth as a Result of the Sun Influence on the Terrestrial Atmosphere. ...

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• Publications of Astronomy and Space Physics Department
• SPECTRUM ANALYZER OF MAGNETIC PHENOMENA SAMW
• Mykola I. Dzubenko

... DLTS . ... Deep Level Transient Spectroscopy ( DLTS ) is a unique and powerful tool for the study of electrically active defects (known as traps) in semiconductors. DLTS can be used in one of two modes of operation; with Schottky diodes or with p-n junctions. ... The capacitance transient is measured as a function of temperature (usually in the range from liquid nitrogen temperature to room temperature 300K or above). ...

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• LHPP ISSP RAS
• LEK - Info
• LPCBC: Abstract, 2_28

... We present the results of an ongoing survey of cool, late­type supergiants -- the descendants of massive O and B­type stars -- that has systematically detected magnetic fields in these stars using spectropolarimetric observations obtained with the ESPaDOnS at the Canada­France­Hawaii Telescope. Our observations reveal detectable, often complex Stokes V Zeeman signatures in the Least­Squares Deconvolution mean line profiles in a significant fraction of the observed sample of 30 stars. ...

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• Galaxy sector, archive 2012
• Detection of Radio Transients and Variable Radio Sources Using the Archive Data
• Detection of unique bright radio flare of X-ray binary