Identification and analysis of structures in the corona from X-ray photography

@article{Vaiana1973IdentificationAA,
  title={Identification and analysis of structures in the corona from X-ray photography},
  author={Giuseppe Salvatore Vaiana and Allen S. Krieger and Adrienne F. Timothy},
  journal={Solar Physics},
  year={1973},
  volume={32},
  pages={81-116}
}
This paper summarizes the results of a program of rocket observations of the solar corona with grazing incidence X-ray telescopes. A series of five flights of a Kanigen-surfaced telescope with a few arc seconds resolution, together with the first flight of a newer telescope have resulted in the identification of six classes of coronal structures observable in the X-ray photographs. These are: active regions, active region interconnections, large loop structures associated with unipolar magnetic… 
Analysis of X-ray observations of the 15 June 1973 flare in active region NOAA 131
Observations and analyses of the 1B/M3 flare of 15 June, 1973 in active region NOAA 131 (McMath 12379) are presented. The X-ray observations, consisting of broadband photographs and proportional
Time Variations of Solar X-Ray Bright Points
An example of the overall view of the X-ray corona (nominal filter pass-band 2–32 A and 44–54 A) showing a coronal hole, filament activity, bright points and the large scale-scale loop structures, is
A comparison of coronal X-ray structures of active regions with magnetic fields computed from photospheric observations
The appearances of several X-ray active regions observed on March 7, 1970 and June 15, 1973 are compared with the corresponding coronal magnetic field topology. Coronal fields have been computed from
X-Ray and microwave observations of active regions
We compare coordinated, high spatial resolution (2–3 arc sec) observations at 6 cm and in soft X-rays with photospheric magnetograms and optical filtergrams of two active regions. The correspondence
Analysis and interpretation of soft X-ray photographs of coronal active regions taken with Fresnel zone plates
Soft X-ray photographs of the Sun taken at O vii 21.6 Å and in a spectral band ranging from 13.2 to 22.1 Å have been analysed in order to establish spatially resolved maps of temperature and emission
A Discussion on the physics of the solar atmosphere - The x-ray corona from Skylab
  • G. Vaiana
  • Physics
    Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences
  • 1976
An overview of the images obtained with the A.S. & E. X-ray telescope on Skylab shows the low corona to be highly structured. The plasma is distributed in closed loops shaped by the magnetic field
Coronal-Temperature-Diagnostic Capability of the Hinode/X-Ray Telescope Based on Self-Consistent Calibration
The X-Ray Telescope (XRT) onboard the Hinode satellite is an X-ray imager that observes the solar corona with unprecedentedly high angular resolution (consistent with its 1″ pixel size). XRT has nine
The analysis and interpretation of solar X-ray photographs
This paper discusses the methods used to analyse and interpret X-ray filtergrams obtained by solar soft X-ray telescopes such as the S-056 Skylab instrument. First, an appropriate definition of the
Configuration and gradual dynamics of prominence-related X-ray coronal cavities
We have analyzed X-ray images of the solar corona obtained by the S-054 telescope on Skylab, together with Hα filtergrams from the Catania Astrophysical Observatory and EUV and magnetic data, to
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