ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • SPACE SCIENCES  (8)
  • SPACECRAFT INSTRUMENTATION  (2)
  • 1
    facet.materialart.
    Unknown
    Workshop on orbiting solar observatories (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: OSO satellites observations, studying X ray flare phases, temperatures and spectra
    Keywords: SPACE SCIENCES
    Type: ; TA FREQUENZA (
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Resonance and satellite lines of highly ionized iron in the solar spectrum near 1.9 A (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Resonance and satellite lines of highly ionized iron in solar spectra, discussing spectrum features during chromospheric flares
    Keywords: SPACE SCIENCES
    Type: ; 37 (
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 3
    facet.materialart.
    Unknown
    A spectroscopic method for calibration of solar extreme ultraviolet instrumentation (1983)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: A method of calibrating solar extreme ultraviolet spectrographs in space using coronal emission lines of known relative intensity is presented and demonstrated. This approach is useful for recalibrating orbiting instruments that may be subject to degradation during extended periods of operation. The calibration results are insensitive to the physical distribution of emitting plasma in any likely solar coronal source. It is suggested that this technique may be useful for calibration of spectrographs used in the study of laboratory plasmas.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Astronomy and Astrophysics (ISSN 0004-6361); 128; 1, No
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 4
    facet.materialart.
    Unknown
    The solar corona above active regions - A comparison of extreme ultraviolet line emission with radio emission. (1967)
    In:  Other Sources
    Details
    Publication Date: 2011-08-12
    Description: Extreme UV line and radio emission from solar corona above active regions, noting electron density and temperature
    Keywords: SPACE SCIENCES
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 5
    facet.materialart.
    Unknown
    Solar coronal holes as sources of recurrent geomagnetic disturbances (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Observations of the solar corona by Oso 7 have been used in a superposed epoch analysis to study the relationships between classes of coronal features and geomagnetic activity. Both bright coronal regions and regions of less than average brightness were investigated. It was found that for the period from January 1972 through January 1973, a significant enhancement in geomagnetic activity occurred 2-3 days after central meridian passage of large coronal holes that extended to within 5 deg of the solar subearth point when they were on the meridian. Large coronal holes appear to satisfy the requirements for 'M regions' which were hypothesized to be responsible for recurrent geomagnetic disturbances (Bartels, 1934). If solar wind high-speed streams originate preferentially in these regions, their velocity at the base of the corona will be substantially higher than that expected from an axisymmetric solar wind model.
    Keywords: SPACE SCIENCES
    Type: Journal of Geophysical Research; 79; Sept. 1
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 6
    facet.materialart.
    Unknown
    Evidence for the 300-second oscillation from OSO-7 extreme-ultraviolet observations. (1972)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The detection and significance of 300-second oscillations in extreme-ultraviolet lines formed in the solar transition region are discussed. Detection was accomplished with the Goddard extreme-ultraviolet spectroheliograph and the Wolter type II grazing-incidence telescope. The Cooley-Tukey algorithm was used to compute the required Fourier transform of the discrete data. Presence of significant power in the observed lines around 262 sec seems to be the first observational evidence that periodic waves in this frequency range persist at heights where local kinetic temperatures are close to one million degrees K. The observed horizontal extent of the wave fronts appears to be much greater than the extent of coherent oscillating elements at chromospheric heights. Several implications are stated for the problem of heating of the transition region and low corona.
    Keywords: SPACE SCIENCES
    Type: Astrophysical Journal; 174; June 1
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 7
    facet.materialart.
    Unknown
    The sun. (1965)
    In:  Other Sources
    Details
    Publication Date: 2018-12-01
    Description: Solar thermonuclear process, radiation phenomena, structural measurements, observations and properties
    Keywords: SPACE SCIENCES
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 8
    facet.materialart.
    Unknown
    Science on the Space Shuttle (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: On the Space Shuttle's third flight, scientific instruments will study the electromagnetic environment with charging and electron beams. Beam plasma discharge will be studied. The plasma diagnostics package contains electromagnetic and particle sensors to study the ionosphere. An attempt will be made to establish a more accurate base of solar UV irradiance measurements with an absolute error of 10 percent or less over the wavelength region 120-400 nm. The solar flare X-ray polarimeter will observe flare X-rays emitted between 5 and 30 keV and measure their polarization as a function of time and photon energy. A photopolarimeter will help study zodiacal light, and interplanetary dust will be sampled by a section of thick aluminum foil. Plant seedlings will be grown to research the effect of near-zero gravity on lignification. A thermal canister experiment will help determine whether instruments can be maintained at a fixed temperature under varying thermal loads.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: Nature; 296; Mar. 18
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 9
    facet.materialart.
    Unknown
    X-ray spectroscopy of solar active regions and flares. (1971)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Review of some recent contributions of X-ray spectroscopy to knowledge about solar active regions and flares. As an example of the importance of X-ray spectroscopy, it is pointed out that, while there are no emission lines from highly ionized silicon in the visible spectrum, the XUV spectrum has emission lines from SiIX through SiXIV. Jordan's (1969) calculations of ionization equilibria for silicon and iron are illustrated by diagrams and discussed. The observation of SiXIV gives evidence for regions having electron temperatures from 5 to 20 million deg. The ability to record the corona against the disk of the sun has enabled Van Speybroeck et al. (1970) to identify many bright diffuse X-ray emitting regions with remnants of old active regions of the type giving rise to unipolar magnetic regions. The physical characteristics of the hot coronal plasma associated with chromospheric flares are outlined on the basis of current observations.
    Keywords: SPACE SCIENCES
    Type: Physics of the solar corona; NATO, Advanced Study Institute; Sep 06, 1970 - Sep 17, 1970; Athens; Greece
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
  • 10
    facet.materialart.
    Unknown
    The solar corona above active regions - A comparison of extreme ultraviolet line emission with radio emission. (1968)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Extreme UV line emission observations applied to solar corona above active regions, comparing extreme UV line emission to radio emission
    Keywords: SPACE SCIENCES
    Type: SYMPOSIUM ON STRUCTURE AND DEVELOPMENT OF SOLAR ACTIVE REGIONS; Sep 04, 1967 - Sep 08, 1967; BUDAPEST; HUNGARY
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...