Results 11 to 20 of about 660 (138)
Ultraluminous Infrared Galaxies [PDF]
Symposium - International Astronomical Union, 1999 At luminosities above ~ 1011L⊙, infrared galaxies become the dominant population of extragalactic objects in the local Universe (z < 0.5), being more numerous than optically selected starburst and Seyfert galaxies, and QSOs at comparable bolometric luminosity.
Sanders, D. B. +2 more
openaire +4 more sources
Silicates in Ultraluminous Infrared Galaxies
The Astrophysical Journal, 2008 We analyze the mid-infrared (MIR) spectra of ultraluminous infrared galaxies (ULIRGs) observed with the Spitzer Space Telescope's Infrared Spectrograph. Dust emission dominates the MIR spectra of ULIRGs, and the reprocessed radiation that emerges is independent of the underlying heating spectrum.
Sirocky, M. M. +4 more
openaire +4 more sources
Ultraluminous Infrared Galaxies: QSOs in Formation? [PDF]
The Astrophysical Journal, 2002 accepted to be published in ApJ, 7 ...
Tacconi, L. +6 more
openaire +3 more sources
Second international workshop on particle physics and the early universe (COSMO-98), 1999 To study large-scale structure in the Universe a full census of the contents are required. This is even more important when the processes of galaxy formation are being investigated. In the last year the population of distant galaxies that emit most of their energy in the infrared waveband have been studied in unprecedented detail.
openaire +2 more sources
Luminous infrared starbursts in a cluster of galaxies [PDF]
Proceedings of the International Astronomical Union, 2004 5 pages, 2 figures, proceedings of the IAU Colloquium 195, "Outskirts of Galaxy Clusters: intense life in the suburbs", A.
Duc, Pierre-Alain +8 more
openaire +2 more sources
Solid Harmonic Wavelet Bispectrum for Image Analysis
Advanced Science, EarlyView.The Solid Harmonic Wavelet Bispectrum (SHWB), a rotation‐ and translation‐invariant descriptor that captures higher‐order (phase) correlations in signals, is introduced. Combining wavelet scattering, bispectral analysis, and group theory, SHWB achieves interpretable, data‐efficient representations and demonstrates competitive performance across texture,
Alex Brown +3 more
wiley +1 more source
Ultraluminous Infrared Galaxies [PDF]
, 2006 Ever since their discovery in the 1970's, UltraLuminous InfraRed Galaxies (ULIRGs; classically Lir>10^12Lsun) have fascinated astronomers with their immense luminosities, and frustrated them due to their singularly opaque nature, almost in equal measure.
Lonsdale, C. J. +2 more
openaire +3 more sources
The Mid-Infrared Spectra of Normal Galaxies [PDF]
The Astrophysical Journal, 2000 The mid-infrared spectra (2.5 to 5 and 5.7 to 11.6 mu) obtained by ISO-PHOT reveal the interstellar medium emission from galaxies powered by star formation to be strongly dominated by the aromatic features at 6.2, 7.7, 8.6 and 11.3 mu. Additional emission appears in-between the features, and an underlying continuum is clearly evident at 3-5 mu.
Helou, G. +4 more
openaire +3 more sources
Advanced Intelligent Systems, EarlyView.This work presents a magnetic bronchoscopy robot with a novel multi‐segment variable stiffness catheter. This catheter can not only move flexibly in the narrow bronchi but also harden according to the need to provide support. Combined with remote wireless magnetic field drive, it provides a more precise and effective solution for biopsy of deep lung ...
Shucong Yin +10 more
wiley +1 more source
International Journal of Chemical Kinetics, EarlyView.ABSTRACT We present chemical kinetic rate constants for the cis to trans isomerisation or rotamerization of monomeric seleno‐, thio‐, and formic acids and that of three of their dimeric species, based on variational transition state theory and multidimensional tunneling calculations in the gas‐phase, from 10 K to 300 K. These provide, firstly, reliable
Judith Wurmel, John M. Simmie
wiley +1 more source