Proceedings of the 154th Symposium of the International Astronomical Union, Held in Tucson, Arizona, U.S.A., March 2¿6, 1992 Herausgegeben von Rabin, D.M.; Jefferies, J.T.; Lindsey, C.
Proceedings of the 154th Symposium of the International Astronomical Union, Held in Tucson, Arizona, U.S.A., March 2¿6, 1992 Herausgegeben von Rabin, D.M.; Jefferies, J.T.; Lindsey, C.
Infrared Solar Physics contains the proceedings of the 154th Symposium of the International Astronomical Union held in Tucson, Arizona, March 2--5, 1992. Aimed at active workers and graduate students in solar physics, this volume provides the first comprehensive view of a rapidly expanding discipline that gives us a new perspective on the sun. Measurements across the wide infrared spectral range -- here, from 1 mum to 1 mm -- can probe the solar atmosphere from below the visible surface through the outer reaches of the corona. Taking full advantage of revolutionary advances in detector…mehr
Infrared Solar Physics contains the proceedings of the 154th Symposium of the International Astronomical Union held in Tucson, Arizona, March 2--5, 1992. Aimed at active workers and graduate students in solar physics, this volume provides the first comprehensive view of a rapidly expanding discipline that gives us a new perspective on the sun. Measurements across the wide infrared spectral range -- here, from 1 mum to 1 mm -- can probe the solar atmosphere from below the visible surface through the outer reaches of the corona. Taking full advantage of revolutionary advances in detector technology, infrared observations from the ground, aircraft and space have led to a better understanding of solar magnetic fields, atmospheric structure and activity, and elemental abundances. The infrared has also provided new interpretive challenges, such as the appearance of the 12-mum emission lines of magnesium. These and other developments are discussed here by the leading contributors to the field, who also give their perspectives on the future of this rich field of study.
Overview of Infrared Solar Physics.- 1. Infrared Diagnostics of the Solar Atmosphere and Solar Activity.- The Cold Heart of the Solar Chromosphere.- Properties of Faculae from Observations Near the Opacity Minimum.- A Solar Plage Model.- Formation of the Solar 10830 Å Line.- Interpreting Recent Observations of He I 10830 Å.- Variability of the Solar He I 10830 Å Triplet.- Observations of Solar Oscillations in He I 10830 Å.- Observations of Dynamic Events in He I ? 10830.- An Investigation of IR Triplet He I 10830 Å Profiles in Active Regions and the Quiet Chromosphere.- Potential IR Observations of the Solar Corona.- The Sun in Submillimeter Radiation.- Far Infrared and Submillimeter Continuum Observations of Solar Flares: Justifications and Prospects for Ground-Based Experiments.- Submillimeter and Far Infrared Emission from Solar Flares.- Infrared and Submillimeter Diagnostics of Activity and Flares.- The Observed Spectrum of Solar Burst Continuum Emission in the Submillimeter Spectral Range.- Interferometry of Solar Flares at 3-mm Wavelength.- 2. Infrared Observations of the 1991 Total Solar Eclipse.- Eclipse Observations of the Extreme Solar Limb at Submillimeter Wavelengths.- 12-?m Observations at the 1991 Eclipse.- 850 ?m Observations of the 11 July 1991 Total Solar Eclipse.- Observations of the 1991 Eclipse at 3.5 mm Wavelength.- Near IR Observations of the 11 July 1991 Total Solar Eclipse from Mauna Kea, Hawaii.- Infrared Images of the Sun During the July 11, 1991 Solar Eclipse.- IR Observations of the K and F Corona During the 1991 Eclipse.- Infrared Coronal Observations at the 1991 Solar Eclipse.- On the Coronal and Prominence Structures Observed at the Total Solar Eclipse of 11 July 1991.- The White-Light, Far Red (600-700 nm) and Emission Coronae atthe July 11, 1991 Eclipse.- The Structure of the White-Light Corona at the 1991 Eclipse.- 3. Infrared Perspectives on Atmospheric Dynamics.- Subphotospheric Convection.- The Infrared Granulation - Observations.- Simultaneous IR and Visible Light Measurements of the Solar Granulation.- Measurements of Horizontal Flows in 1.6 ?m Granulation.- On Sunspot and Facular Contrast Variations Near 2 ?m and 4 ?m.- Solar 5-minute Oscillations at 2.23 ?m.- Ground-Based Near-Infrared Observations of Global Solar Oscillations.- Solar Oscillations Instrument at an Infrared Wavelength of 1.6 ?m at Yunnan Observatory.- Magnetic Fields, Oscillations, and Heating in the Quiet Sun Temperature Minimum Region from Ultraviolet Observations at 1600 Å.- 4. Infrared Atomic Physics and Line Formation.- Atomic Physics of the 12 ?m and Related Lines.- The Formation of Infrared Rydberg Lines.- Modeling the Infrared Magnesium and Hydrogen Lines from Quiet and Active Solar Regions.- Computation of Infrared Hydrogen Lines.- New Atomic Data for Mg I Lines.- On the Ion Broadening of the 12 ?m lines of Atomic Magnesium.- High-l Rydberg Lines of Fe I in the ATMOS Spectra: 4f-5g, 5g-6h....- High-n Hydrogen Lines in Solar Infrared Spectra from Balloon-borne, Mauna Kea, and ATMOS Observations.- Solar Submillimeter and Millimeter Spectroscopy between 7 and 30 cm-1 from the James Clerk Maxwell Telescope.- 5. Magnetic Fields and Infrared Magnetometry.- Vector Magnetometry Using the 12-?m Emission Lines.- Properties of Magnetic Features from the Analysis of Near-Infrared Spectral Lines.- Theoretical Models of Magnetic Flux Tubes: Structure and Dynamics.- The Thermal and Magnetic Structure of Sunspots.- Infrared Measurements of Stellar Magnetic Fields.- Near Infrared Imaging Magnetometry.- Flux TubeShredding and Its Infrared Signature.- The Structure of Umbral Fluxtubes.- 1.5 ?m Observations and the Depth of Sunspot Penumbrae.- A Magnetic Field Strength vs. Temperature Relation in Sunspots.- The IR Contrast of Magnetic Elements Obtained from High Spatial Resolution Observations at 1.6 ?m.- Diagnostic Tools for Sunspots: the Molecules C2, Mg H and Ti O.- New Infrared Measurements of Magnetic Fields on Cool Stars.- 6. The Infrared Spectrum.- Atomic Spectroscopy in the Infrared.- The ATMOS Solar Atlas.- Synthetic Infrared Spectra.- Line Shifts and Asymmetries in the IR Solar Spectrum.- Solar Abundances of C, N, and O.- Analysis of Very High Excitation Fe I Lines (4f - 5g) in the Solar Infrared Spectrum.- The Sun as a Laboratory Source for IR Molecular Spectroscopy.- 7. Infrared Technology and the Future.- Prospects in Adaptive Optics for Solar Applications.- Solar Optical Interferometry.- The Near-Infrared Capabilities of LEST.- A 4-meter McMath Telescope for the Infrared.- The Applicability of a 5-18 ?m Array Camera to Solar Imaging.- Near-IR Solar Coronal Observations with New-Technology Reflecting Coronagraphs.
Overview of Infrared Solar Physics.- 1. Infrared Diagnostics of the Solar Atmosphere and Solar Activity.- The Cold Heart of the Solar Chromosphere.- Properties of Faculae from Observations Near the Opacity Minimum.- A Solar Plage Model.- Formation of the Solar 10830 Å Line.- Interpreting Recent Observations of He I 10830 Å.- Variability of the Solar He I 10830 Å Triplet.- Observations of Solar Oscillations in He I 10830 Å.- Observations of Dynamic Events in He I ? 10830.- An Investigation of IR Triplet He I 10830 Å Profiles in Active Regions and the Quiet Chromosphere.- Potential IR Observations of the Solar Corona.- The Sun in Submillimeter Radiation.- Far Infrared and Submillimeter Continuum Observations of Solar Flares: Justifications and Prospects for Ground-Based Experiments.- Submillimeter and Far Infrared Emission from Solar Flares.- Infrared and Submillimeter Diagnostics of Activity and Flares.- The Observed Spectrum of Solar Burst Continuum Emission in the Submillimeter Spectral Range.- Interferometry of Solar Flares at 3-mm Wavelength.- 2. Infrared Observations of the 1991 Total Solar Eclipse.- Eclipse Observations of the Extreme Solar Limb at Submillimeter Wavelengths.- 12-?m Observations at the 1991 Eclipse.- 850 ?m Observations of the 11 July 1991 Total Solar Eclipse.- Observations of the 1991 Eclipse at 3.5 mm Wavelength.- Near IR Observations of the 11 July 1991 Total Solar Eclipse from Mauna Kea, Hawaii.- Infrared Images of the Sun During the July 11, 1991 Solar Eclipse.- IR Observations of the K and F Corona During the 1991 Eclipse.- Infrared Coronal Observations at the 1991 Solar Eclipse.- On the Coronal and Prominence Structures Observed at the Total Solar Eclipse of 11 July 1991.- The White-Light, Far Red (600-700 nm) and Emission Coronae atthe July 11, 1991 Eclipse.- The Structure of the White-Light Corona at the 1991 Eclipse.- 3. Infrared Perspectives on Atmospheric Dynamics.- Subphotospheric Convection.- The Infrared Granulation - Observations.- Simultaneous IR and Visible Light Measurements of the Solar Granulation.- Measurements of Horizontal Flows in 1.6 ?m Granulation.- On Sunspot and Facular Contrast Variations Near 2 ?m and 4 ?m.- Solar 5-minute Oscillations at 2.23 ?m.- Ground-Based Near-Infrared Observations of Global Solar Oscillations.- Solar Oscillations Instrument at an Infrared Wavelength of 1.6 ?m at Yunnan Observatory.- Magnetic Fields, Oscillations, and Heating in the Quiet Sun Temperature Minimum Region from Ultraviolet Observations at 1600 Å.- 4. Infrared Atomic Physics and Line Formation.- Atomic Physics of the 12 ?m and Related Lines.- The Formation of Infrared Rydberg Lines.- Modeling the Infrared Magnesium and Hydrogen Lines from Quiet and Active Solar Regions.- Computation of Infrared Hydrogen Lines.- New Atomic Data for Mg I Lines.- On the Ion Broadening of the 12 ?m lines of Atomic Magnesium.- High-l Rydberg Lines of Fe I in the ATMOS Spectra: 4f-5g, 5g-6h....- High-n Hydrogen Lines in Solar Infrared Spectra from Balloon-borne, Mauna Kea, and ATMOS Observations.- Solar Submillimeter and Millimeter Spectroscopy between 7 and 30 cm-1 from the James Clerk Maxwell Telescope.- 5. Magnetic Fields and Infrared Magnetometry.- Vector Magnetometry Using the 12-?m Emission Lines.- Properties of Magnetic Features from the Analysis of Near-Infrared Spectral Lines.- Theoretical Models of Magnetic Flux Tubes: Structure and Dynamics.- The Thermal and Magnetic Structure of Sunspots.- Infrared Measurements of Stellar Magnetic Fields.- Near Infrared Imaging Magnetometry.- Flux TubeShredding and Its Infrared Signature.- The Structure of Umbral Fluxtubes.- 1.5 ?m Observations and the Depth of Sunspot Penumbrae.- A Magnetic Field Strength vs. Temperature Relation in Sunspots.- The IR Contrast of Magnetic Elements Obtained from High Spatial Resolution Observations at 1.6 ?m.- Diagnostic Tools for Sunspots: the Molecules C2, Mg H and Ti O.- New Infrared Measurements of Magnetic Fields on Cool Stars.- 6. The Infrared Spectrum.- Atomic Spectroscopy in the Infrared.- The ATMOS Solar Atlas.- Synthetic Infrared Spectra.- Line Shifts and Asymmetries in the IR Solar Spectrum.- Solar Abundances of C, N, and O.- Analysis of Very High Excitation Fe I Lines (4f - 5g) in the Solar Infrared Spectrum.- The Sun as a Laboratory Source for IR Molecular Spectroscopy.- 7. Infrared Technology and the Future.- Prospects in Adaptive Optics for Solar Applications.- Solar Optical Interferometry.- The Near-Infrared Capabilities of LEST.- A 4-meter McMath Telescope for the Infrared.- The Applicability of a 5-18 ?m Array Camera to Solar Imaging.- Near-IR Solar Coronal Observations with New-Technology Reflecting Coronagraphs.
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