Search Results - "Schmahl, E. J."
-
1
The RHESSI Imaging Concept
Published in Solar physics (01-11-2002)“…Issue Title: Topical Issue: The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) - Mission Description and Early Results The Reuven Ramaty…”
Get full text
Journal Article -
2
Deducing Electron Properties from Hard X-ray Observations
Published in Space science reviews (01-09-2011)“…X-radiation from energetic electrons is the prime diagnostic of flare-accelerated electrons. The observed X-ray flux (and polarization state) is fundamentally…”
Get full text
Journal Article -
3
Radio and Hard X-Ray Imaging Observations of the M5.7 Flare of 2002 March 14
Published in The Astrophysical journal (01-06-2006)“…We describe a flare of GOES class M5.7 that was observed simultaneously by RHESSI (Ramaty High Energy Solar Spectroscopic Imager) and NoRH (Nobeyama Radio…”
Get full text
Journal Article -
4
RHESSI Observations of the Size Scales of Solar Hard X-ray Sources
Published in Solar physics (01-11-2002)“…Issue Title: Topical Issue: The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) - Mission Description and Early Results The Reuven Ramaty…”
Get full text
Journal Article -
5
High-Energy Emission from a Solar Flare in Hard X-rays and Microwaves
Published in Solar physics (01-11-2009)“…We investigate accelerated electron energy spectra for different sources in a large flare using simultaneous observations obtained with two instruments, the…”
Get full text
Journal Article -
6
RHESSI and radio imaging observations of microflares
Published in Advances in space research (2005)“…We present an analysis of five microflares, three observed simultaneously by RHESSI in hard X-rays and Nobeyama RadioHeliograph (NoRH) in microwaves (17 GHz)…”
Get full text
Journal Article -
7
Fast Time Structure during Transient Microwave Brightenings: Evidence for Nonthermal Processes
Published in The Astrophysical journal (20-12-1997)Get full text
Journal Article -
8
Analysis of RHESSI Flares Using aRadio Astronomical Technique
Published in Solar physics (01-02-2007)“…We have used Ramaty High Energy Solar Spectroscopic Imager (RHESSI) modulation profiles in the 25-300 keV range to construct high-fidelity visibilities of 25…”
Get full text
Journal Article -
9
Three-dimensional coronal structures using Clark Lake observations
Published in Solar physics (01-03-1994)“…We have undertaken a study of coronal features observed at meter-decameter wavelengths using the Clark Lake radioheliograph. Among the coronal structures we…”
Get full text
Journal Article -
10
Solar cycle variation of the microwave spectrum and total irradiance
Published in Solar physics (01-06-1994)Get full text
Journal Article -
11
Spatial Structure of Solar Coronal Magnetic Loops Revealed by Transient Microwave Brightenings
Published in Solar physics (01-06-1998)“…We present the measurement of magnetic field gradient in magnetic loops in the solar corona, based on the multi-wavelength Very Large Array observations of two…”
Get full text
Journal Article -
12
On the reconciliation of simultaneous microwave imaging and hard X-ray observations of a solar flare
Published in Solar physics (01-03-1991)“…Microwave imaging data for a small flare with simultaneous hard X-ray spectral observations are compared. The X-ray data suggest that the power-law index delta…”
Get full text
Journal Article -
13
UVSP and VLA observations of the 24 June 1980 flare : asymmetric or isotropic beaming ?
Published in Solar physics (01-10-1990)“…Observations of the 15:22 UT flare of 24 June 1980 were made using the Very Large Array (VLA) at 6 cm wavelength simultaneously with the Hard X-ray Imaging…”
Get full text
Journal Article -
14
Coronal bright points at 6 cm wavelength
Published in Solar physics (01-01-1987)“…The results of the first observations of solar coronal bright points at 6 cm wavelength using the Very Large Array (VLA), with a spatial resolution of about…”
Get full text
Journal Article -
15
The physical relationship between flares and surges observed in the extreme ultraviolet
Published in Solar physics (01-01-1981)“…A search was made for EUV surges among the EUV flares recorded by the Harvard spectroheliometer on ATM. From a large set of partial observations of such…”
Get full text
Journal Article -
16
Meterwave observations of a coronal hole
Published in Solar physics (01-01-1987)“…Meterwave maps are presented which show a coronal hole at 30.9, 50.0, and 73.8 MHz by using the Clark Lake Radioheliograph in Oct. 1984. The coronal hole seen…”
Get full text
Journal Article -
17
A new microwave/X-ray diagnostic for the thermal phase of solar flares
Published in Solar physics (01-05-1986)“…Ten solar bursts were observed during the thermal phase by using the Haystack radio telescope at 22 GHz. These high-frequency flux observations, when compared…”
Get full text
Journal Article -
18
Observations of solar filaments at 8, 15, 22 and 43 GHz
Published in Solar physics (01-06-1981)“…On April 3, 4, 6, and 8, 1978, solar observations were made by using the Haystack 120-ft telescope at 8, 15, 22, and 43 GHz. H alpha filtergrams, obtained at…”
Get full text
Journal Article -
19
Sharp edges in solar microwave spectra - Neutral current sheets or cyclotron lines?
Published in Solar physics (01-07-1984)“…Two solar active regions have been mapped using the VLA at three closely spaced frequencies (4496, 4716, and 4996 MHz) in an attempt to determine the origin of…”
Get full text
Journal Article -
20
The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI)
Published in Solar physics (01-11-2002)“…Issue Title: Topical Issue: The Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) - Mission Description and Early Results RHESSI is the sixth in…”
Get full text
Journal Article