We are improving our search experience. To check which content you have full access to, or for advanced search, go back to the old search.

Search

Please fill in this field.
Filters applied:

Search Results

Showing 1-20 of 10,000 results
  1. Phoenix Spectra of Carbon Stars in the LMC

    We present high-resolution, IR-spectra of Carbon stars in the LMC obtained with the Phoenix spectrometer on the Gemini South 8-meter telescope. This...
    Rurik Wahlin, Kjell Eriksson, ... Bengt Westerlund in High Resolution Infrared Spectroscopy in Astronomy
    Conference paper
  2. Multi-Object Spectroscopy: Automatic Extraction and Previewing of Spectra

    With multi-object spectroscopy becoming an integral part of modern astronomical instrumentation, the amount of such data in archives is bound to...
    Norbert Pirzkal, Florian Kerber in Toward an International Virtual Observatory
    Conference paper
  3. Modeling and Simulating X-ray Spectra

    X-ray spectroscopy is a powerful technique for the analysis of the energy distribution of X-rays from astrophysical sources. It allows for the study...
    Lorenzo Ducci, Christian Malacaria in Handbook of X-ray and Gamma-ray Astrophysics
    Reference work entry 2024
  4. Modeling and Simulating X-ray Spectra

    X-ray spectroscopy is a powerful technique for the analysis of the energy distribution of X-rays from astrophysical sources. It allows for the study...
    Lorenzo Ducci, Christian Malacaria in Handbook of X-ray and Gamma-ray Astrophysics
    Living reference work entry 2024
  5. On the Spectra of the Gamma-Ray Bursts

    Abstract. The soft tails of gamma-ray bursts spectra obtained by different instruments are discussed. It is known that some of them have excesses...
    Zsolt Bagoly, István Csabai, ... Lajos G. Balázs in Gamma-Ray Bursts in the Afterglow Era
    Conference paper
  6. UPCA: Extension of PCA Analysis of Galaxy Spectra to Unfluxed Data

    The Principal Component Analysis (PCA), allows to describe a spectrum with few physical significative parameters and it has demonstrated to be a...
    Agostino Fiorani, Roberto Scaramella in Mining the Sky
    Conference paper
  7. Gas Phase IR Spectra of Hydrogen Functionalised Pentacene

    We present gas-phase infrared (IR) spectra of protonated dihydropentacene, the hydrogen functionalised form of the linear, catacondensed, polycyclic...
    Rijutha Jaganathan, Zeyuan Tang, ... Liv Hornekær in European Conference on Laboratory Astrophysics ECLA2020
    Conference paper 2023
  8. Parameterisation of Galaxy Spectra in the 2dF Galaxy Redshift Survey

    The 2dF Galaxy Redshift Survey has already yielded over 130,000 galaxy spectra (out of the planned 250,000). We present a method for the...
    Darren Madgwick, Ofer Lahav, ... the 2dFGRS Team in Mining the Sky
    Conference paper
  9. Ultraviolet Absorption Spectra of Some Tellurite Glasses

    The present chapter deals with the interaction of the UV spectra with some tellurite glasses.
    Chapter 2023
  10. Infrared Spectra of Red Giants: Molecular and Atomic Lines

    We discuss some of the most severe problems concerning the calculation of synthetic high resolution spectra of cool oxygen rich giants by studying...
    Conference paper
  11. Improvements in digital meteor spectra reduction

    This study addresses the complexity and importance of develo** a method of calibrating digital observations of meteor spectra with all-sky cameras....

    Marko Šegon, Vlastimil Vojáček, Jiří Borovička in Experimental Astronomy
    Article Open access 06 March 2024
  12. Modified ShAO Spectrograph for Low-Resolution Spectra

    Abstract

    The paper describes an improved spectrograph of the Cassegrain focus of the 2-meter ShAO reflector using a CCD camera. The classic Universal...

    N. Z. Ismailov, S. A. Alyshov, ... F. S. Huseynova in Astronomy Reports
    Article 01 October 2023
  13. Mass Spectra from Turbulent Fragmentation

    Turbulent fragmentation determines where and when protostellar cores form, and how they contract and grow in mass from the surrounding cloud...
    Conference paper
  14. Statistical Properties of Pulsars with the Gigahertz-Peaked Spectra

    Abstract

    Pulsars with the Gigahertz-Peaked Spectra (GPS) are named GPS pulsars, which means that spectra of the pulsars in the radio band turn over...

    **yi Li, Hongbing Cai, ... Beibei Wang in Astronomy Reports
    Article 01 August 2023
  15. Clustering of Galaxy Spectra: An Unsupervised Approach with Fisher-EM

    We present a novel approach to galaxy spectra classification using Fisher-EM, a latent subspace clustering and Gaussian mixture model based...
    J. Dubois, D. Fraix-Burnet, J. Moultaka in Machine Learning for Astrophysics
    Conference paper 2023
  16. Transmission Spectra of Diluted and Concentrated Magnetite Colloids in Liquid Dielectrics

    Transmission spectra of colloidal solutions of magnetite nanoparticles in kerosene with various volume concentrations of the solid phase and the...

    K. V. Yerin, V. I. Vivchar in Journal of Applied Spectroscopy
    Article 05 January 2024
  17. Correcting the Chromatic and Airmass Dependent Extinction for TIMMI2 Spectra

    We present a method to correct the chromatic and airmass dependent extinction for N-band spectra taken with the TIMMI2 instrument at the ESO/La Silla...
    Oliver Schütz, Michael Sterzik in High Resolution Infrared Spectroscopy in Astronomy
    Conference paper
  18. Method for Analysis of Asymmetric Spectra Based on the Information Entropy Model

    Abstract

    The possibility is considered of using asymmetric distributions to analyze emission/absorption spectra, which enables revealing the structure...

    V. I. Kuzmin, A. A. Paramonov, ... O. V. Souvorova in Physics of Wave Phenomena
    Article 01 June 2024
  19. New energy spectra in neutrino and photon detectors to reveal hidden dark matter signals

    Neutral particles capable of travelling cosmic distances from a source to detectors on Earth are limited to photons and neutrinos. Examination of the...

    Wim Beenakker, Sascha Caron, ... Zhongyi Zhang in Journal of High Energy Physics
    Article Open access 06 November 2023
  20. 11 Typical Spectra of Large Systems

    If a set of axioms is formulated as a basis of thermodynamics, one is usually told that entropy has to be an extensive quantity. This basically means...
    J. Gemmer, M. Michel, G. Mahler in Quantum Thermodynamics
    Chapter
Did you find what you were looking for? Share feedback.