Solar Flare Occurrence As A Function Of Sunspot Size
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Solar Flare Occurrence As A Function Of Sunspot Size
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Author : Isadore Enger
language : en
Publisher:
Release Date : 1966
Solar Flare Occurrence As A Function Of Sunspot Size written by Isadore Enger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Astronomy categories.
An objective technique has been developed for assessing the probability of occurrence of solar flares in a particular sunspot group, given only the sizes of the sunspot group on two consecutive days. The sunspot data cover the 10-year period 1955 to 1964 and have been published in the Greenwich Photoheliographic Results. The flare data were measured at Sacramento Peak, New Mexico. The flare and spot data were combined by a simple, objective technique which depends only on the size of the spot group and the relative positions of the spot group and flare. These results show the very marked dependence of flare occurrence on the size of the spot group and a significant, but very much smaller, dependence on the change in group size from one day to the next. (Author).
Solar Flare Occurrence As A Function Of Sunspot Size
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Author :
language : en
Publisher:
Release Date : 1966
Solar Flare Occurrence As A Function Of Sunspot Size written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
An objective technique has been developed for assessing the probability of occurrence of solar flares in a particular sunspot group, given only the sizes of the sunspot group on two consecutive days. The sunspot data cover the 10-year period 1955 to 1964 and have been published in the Greenwich Photoheliographic Results. The flare data were measured at Sacramento Peak, New Mexico. The flare and spot data were combined by a simple, objective technique which depends only on the size of the spot group and the relative positions of the spot group and flare. These results show the very marked dependence of flare occurrence on the size of the spot group and a significant, but very much smaller, dependence on the change in group size from one day to the next. (Author).
Flare Occurrence Tomorrow As A Function Of Area And Flariness Of Sunspot Today
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Author : Alfred E. Reilly
language : en
Publisher:
Release Date : 1969
Flare Occurrence Tomorrow As A Function Of Area And Flariness Of Sunspot Today written by Alfred E. Reilly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Probabilities categories.
An objective technique has been developed for estimating the probability of occurrence of solar flares in a particular sunspot group using both the size of the sunspot group and its 'flariness'. Tables are given which indicate the probability that at least one flare of importance two or greater will occur tomorrow, given the area and flariness of the sunspot group today. (Author).
The Influence Of Radio Brightness Temperature On Solar Flare Prediction
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Author : Alfred E. Reilly
language : en
Publisher:
Release Date : 1967
The Influence Of Radio Brightness Temperature On Solar Flare Prediction written by Alfred E. Reilly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Blackbody radiation categories.
An objective technique based on two measured parameters has been developed to determine the probability of occurrence of a solar flare near a sunspot group. The parameters utilized were the size of each sunspot group and the magnitude of an associated radio brightness temperature. Flare, sunspot, and radio data measured daily during the period from April 1962 through October 1966 were used in the study. These data were associated objectively and analyzed statistically. The size of a sunspot group is a significant predictor in itself. This analysis shows that consideration of radio brightness temperature significantly improves the accuracy of solar flare prediction beyond the accuracy that can be achieved by considering only the size of the sunspot group. (Author).
Flare Occurrence Tomorrow As A Function Of Area And Flariness Of Sunspot Today
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Author : Alfred E. Reilly
language : en
Publisher:
Release Date : 1969
Flare Occurrence Tomorrow As A Function Of Area And Flariness Of Sunspot Today written by Alfred E. Reilly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Probabilities categories.
An objective technique has been developed for estimating the probability of occurrence of solar flares in a particular sunspot group using both the size of the sunspot group and its 'flariness'. Tables are given which indicate the probability that at least one flare of importance two or greater will occur tomorrow, given the area and flariness of the sunspot group today. (Author)
A Statistical Summary Of Solar Flare Reports And Observatory Practices For The Period 1955 1964
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Author : Delos C. Jensen
language : en
Publisher:
Release Date : 1967
A Statistical Summary Of Solar Flare Reports And Observatory Practices For The Period 1955 1964 written by Delos C. Jensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Astronomical observatories categories.
This is a summary of the ten years (1955-1964) of observations of solar flares reported by 61 observatories. The flare reports have been published predominantly in the IAU Bulletin and CRPL-F Series Part B. This report summarizes the types of information contained in the flare reports, and the frequency of some parts of these reports as functions of many parameters. The results reflect the need for closer cooperation and coordination of participating observatories in recording and reporting solar flare data.
The Influence Of Radio Brightness Temperature On Solar Flare Prediction
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Author : Alfred E. Reilly
language : en
Publisher:
Release Date : 1967
The Influence Of Radio Brightness Temperature On Solar Flare Prediction written by Alfred E. Reilly and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Blackbody radiation categories.
An objective technique based on two measured parameters has been developed to determine the probability of occurrence of a solar flare near a sunspot group. The parameters utilized were the size of each sunspot group and the magnitude of an associated radio brightness temperature. Flare, sunspot, and radio data measured daily during the period from April 1962 through October 1966 were used in the study. These data were associated objectively and analyzed statistically. The size of a sunspot group is a significant predictor in itself. This analysis shows that consideration of radio brightness temperature significantly improves the accuracy of solar flare prediction beyond the accuracy that can be achieved by considering only the size of the sunspot group. (Author)
A Comparison Of Reported Solar Flare Occurrence Times And Flare Patrol Times 1955 1964
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Author : Ronald T. Podsiadlo
language : en
Publisher:
Release Date : 1967
A Comparison Of Reported Solar Flare Occurrence Times And Flare Patrol Times 1955 1964 written by Ronald T. Podsiadlo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Astronomical observatories categories.
A flare event list that is consistent with flare patrol times is prerequisite to a reliable, unbiased estimate of flare occurrence per unit patrol time. A comparison of the flare occurrence times and flare patrol times reported by 52 solar observatories during the period of 1955 to 1964 discloses that 12.3 percent of the flare reports (Importance = or > 1) have no reported patrol coverage. Elimination of these 'unpatrolled' flare reports reduces the number of individual flare events in the data sample by 9.7 percent. This means that flare occurrence per unit patrol time computed from the raw flare and flare patrol data is overestimated by this same percentage. In addition to eliminating 'unpatrolled' flare reports, appropriate adjustments are made in the 'patrolled' flare data so as to make each observatory's reported flare times completely consistent with its reported patrol times.
Handbook Of Cosmic Hazards And Planetary Defense
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Author : Joseph N. Pelton
language : en
Publisher: Springer
Release Date : 2015-04-27
Handbook Of Cosmic Hazards And Planetary Defense written by Joseph N. Pelton and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-27 with Technology & Engineering categories.
Covers in a comprehensive fashion all aspects of cosmic hazards and possible strategies for contending with these threats through a comprehensive planetary defense strategy. This handbook brings together in a single reference work a rich blend of information about the various types of cosmic threats that are posed to human civilization by asteroids, comets, bolides, meteors, solar flares and coronal mass ejections, cosmic radiation and other types of threats that are only recently beginning to be understood and studied, such as investigation of the “cracks” in the protective shield provided by the Van Allen belts and the geomagnetosphere, of matter-antimatter collisions, orbital debris and radiological or biological contamination. Some areas that are addressed involve areas about which there is a good deal of information that has been collected for many decades by multiple space missions run by many different space agencies, observatories and scientific researchers. Other areas involving research and studies that have only recently gotten underway are discussed by some of the world’s foremost experts in each of these areas, who provide up-to-date and scientifically verifiable information. Although much of the work in these various areas have been conducted by space agencies, an expanding range of work is also being carried out by observatories, by universities and other research centers, and even by private foundations and professional organizations. The purpose of this work is thus several-fold: to include the latest information and most systematic research from around the world in a single reference work; to note where there are significant gaps in knowledge where new research, spacecraft, observatories, or other initiatives are needed to fill in critical missing information; and to give the best possible information about preventative actions that might be taken against cosmic threats and identify various alternative strategies that are now under way or planned to cope with these various threats.
The Sun As A Guide To Stellar Physics
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Author : Oddbjørn Engvold
language : en
Publisher: Elsevier
Release Date : 2018-11-15
The Sun As A Guide To Stellar Physics written by Oddbjørn Engvold and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-15 with Science categories.
The Sun as a Guide to Stellar Physics illustrates the significance of the Sun in understanding stars through an examination of the discoveries and insights gained from solar physics research. Ranging from theories to modeling and from numerical simulations to instrumentation and data processing, the book provides an overview of what we currently understand and how the Sun can be a model for gaining further knowledge about stellar physics. Providing both updates on recent developments in solar physics and applications to stellar physics, this book strengthens the solar–stellar connection and summarizes what we know about the Sun for the stellar, space, and geophysics communities. Applies observations, theoretical understanding, modeling capabilities and physical processes first revealed by the sun to the study of stellar physics Illustrates how studies of Proxima Solaris have led to progress in space science, stellar physics and related fields Uses characteristics of solar phenomena as a guide for understanding the physics of stars
