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5 results for “SpeX”
Reproduction package for the publication 'New radiative loss curve from updates to collisional excitation in the low-density, optically thin plasmas in SPEX'
<p>The following files can be used to reproduce the Figures and data from the paper <strong>New radiative loss curve from updates to collisional excitation in the low-density, optically thin plasmas in SPEX </strong>by L. Štofanová, J. Kaastra, M. Mehdipour, and J. de Plaa accepted to be publish in Section 12. Atomic, molecular, and nuclear data of Astronomy and Astrophysics (acceptance date - 27/06/2021).</p> <p> </p> <p>Note: version 2 is the most updated version (change in Fig.7).</p>
Test SpeX data for SpeXtool and pyspextool
<p>This zip directory contains SpeX data for two modes and two different instrument configurations, that can be used for testing either SpeXtool or pyspextool:</p> <ul> <li>spex-prism: prism data from original SpeX instrument from 2003 May 21 program 2003A013 (PI Burgasser)</li> <li>spex-SXD: SXD data from original SpeX instrument 2003 Jul 7 program 2003A098 (PI Rayner)</li> <li>uspex-prism: prism data from upgraded SpeX instrument from 2022 Oct 19 program 2022B046 (PI Theissen)</li> <li>spex-SXD: SXD data from upgraded SpeX instrument from 2015 June 3 program 2015A078 (PI Rayner)</li> </ul> <p>These folders contain both raw data files ("data"), processed data files ("cals", "proc") and quality assurance files ("qa") based on a beta version of pyspextool.</p> <p>The most recent version of pyspextool can be downloaded at https://github.com/pyspextool/pyspextool </p>
SpeX NIR spectra and extinction curves
<p><strong>SpeX near-infrared spectra and measured extinction curves for a sample of Milky Way sightlines.</strong></p> <ul> <li><em>SpeX_spectra.zip</em> contains the SpeX near-infrared spectra of 15 comparison and 25 reddened O/B type Milky Way stars, that were used to measure extinction curves.</li> <li><em>Data_files.zip</em> contains the data files of the stars in the format required by the code.</li> <li><em>Ext_curves.zip</em> contains 15 measured extinction curves and the measured average diffuse Milky Way extinction curve.</li> </ul> <p>See our paper Decleir et al. (ApJ, submitted) for a detailed discussion of our method and results.</p> <p>See the associated <a href="https://github.com/mdecleir/spex_nir_extinction/tree/v1.0.0">spex_nir_extinction GitHub repository</a> (<a href="https://zenodo.org/record/5806703#.YdYhrS-cY2I">Decleir et al. 2021</a>) for the code, Tables and Figures.</p> <p>This version (2.0) is an update from the first version (1.0), and is associated with the revised version of the paper. Changes include:</p> <ul> <li>updated uncertainties for R(V) in the headers of the extinction curve fits files.</li> <li>addition of 1/R(V) in the headers of the extinction curve fits files.</li> <li>addition of comments in the data files about the references and quality of the photometry </li> </ul>
AirMSPI verison 6 ellipsoid-projected georegistered radiance product acquired during the SPEX-PR flight campaign
AirMSPI_SPEX-PR_Ellipsoid-projected_Georegistered_Radiance_Data is an AirMSPI ellipsoid-projected georegistered radiance product acquired during the SPEX engineering flights + Porter Ranch gas leak overflights (SPEX-PR) flight campaign.AirMSPI Level 1B2 products contain radiometric and polarimetric images of clouds, aerosols, and the surface of the Earth. In particular, products contain map-projected data at 8 wavelengths: 355, 380, 445, 470, 555, 660, 865, and 935 nm. The data products include radiance, time, solar zenith, solar azimuth, view zenith, and view azimuth for all spectral bands. Wavelengths for which polarization information is available (470, 660, and 865 nm) also include the Stokes parameters Q and U, as well as degree of linear polarization (DOLP) and angle of linear polarization (AOLP). Q, U, and AOLP are reported relative to both the scattering and view meridian planes. Files are distributed in HDF-EOS-5 format.This release of AirMSPI data contains all targets acquired during the SPEX engineering flights + Porter Ranch gas leak overflights (SPEX-PR) flight campaign, which was based out of Armstrong Flight Research Center in Palmdale, CA. The SPEX engineering flights conducted on February 2 through February 5, 2016 focused on the checkout of another polarimeter, SPEX airborne, built by SRON Netherlands Institute for Space Research, with AirMSPI providing validation. On February 9, the ER-2 overflew the Porter Ranch, California natural gas leak with AirMSPI and the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) collecting data.
AirMSPI verison 6 terrain-projected georegistered radiance product acquired during the SPEX-PR flight campaign
AirMSPI_SPEX-PR_Terrain-projected_Georegistered_Radiance_Data is an AirMSPI terrain-projected georegistered radiance product acquired during the SPEX engineering flights + Porter Ranch gas leak overflights (SPEX-PR) flight campaign.AirMSPI Level 1B2 products contain radiometric and polarimetric images of clouds, aerosols, and the surface of the Earth. In particular, products contain map-projected data at 8 wavelengths: 355, 380, 445, 470, 555, 660, 865, and 935 nm. The data products include radiance, time, solar zenith, solar azimuth, view zenith, and view azimuth for all spectral bands. Wavelengths for which polarization information is available (470, 660, and 865 nm) also include the Stokes parameters Q and U, as well as degree of linear polarization (DOLP) and angle of linear polarization (AOLP). Q, U, and AOLP are reported relative to both the scattering and view meridian planes. Files are distributed in HDF-EOS-5 format.This release of AirMSPI data contains all targets acquired during the SPEX engineering flights + Porter Ranch gas leak overflights (SPEX-PR) flight campaign, which was based out of Armstrong Flight Research Center in Palmdale, CA. The SPEX engineering flights conducted on February 2 through February 5, 2016 focused on the checkout of another polarimeter, SPEX airborne, built by SRON Netherlands Institute for Space Research, with AirMSPI providing validation. On February 9, the ER-2 overflew the Porter Ranch, California natural gas leak with AirMSPI and the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) collecting data.
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