Results 21 to 30 of about 2,332,742 (352)

ISO continuum observations of quasars at z=1-4 I.Spectral energy distributions of quasars from the UV to far-infrared [PDF]

, 2000
Eight luminous quasars with $ -30 < M_B < -27$ at z = 1.4 - 3.7 have been observed in the mid- and far-infrared using ISO. All the quasars have been detected in the mid-infrared bands of ISOCAM, while no far-infrared detections have been made with ...
Andreani, Andreani, Bechtold, Benford, Bertin, Bloom, C. Gabriel, Carilli, Carilli, Casali, Cesarsky, Chini, Chini, Dunlop, E. Nishihara, Elvis, Green, Guilloteau, Guilloteau, H. Okuda, H. Shibai, Haas, Hamann, Herbstmeier, Hughes, Impey, Irwin, Isaak, Ivison, K. Kawara, Kawara, Kawara, Kessler, Kneib, Kobayashi, Kormann, Landolt, Lemke, Lichti, Magain, Matsuhara, McMahon, Neugebauer, Neugebauer, Ohta, Omont, Omont, Osmer, Pier, Puget, Richards, Rowan-Robinson, S. Oyabu, Sanders, Schneider, Starck, T. Hasegawa, Taniguchi, Y. Sato, Y. Sofue, Y. Taniguchi, Y. Tsuzuki, Yoshii   +62 more
core   +2 more sources

Star-galaxy separation in the AKARI NEP Deep Field [PDF]

, 2012
Context: It is crucial to develop a method for classifying objects detected in deep surveys at infrared wavelengths. We specifically need a method to separate galaxies from stars using only the infrared information to study the properties of galaxies, e ...
A. Pollo, A. Pȩpiak, A. Solarz, Arendt, Barger, Bertin, Bertin, C. P. Pearson, Clements, Dole, Ellis, Frayer, Gao, H. Hanami, H. Matsuhara, Hsu, Huertas-Company, Imai, Iye, Jones, Lonsdale, Matsuhara, McVittie, Miyazaki, Mo, Oliver, Onaka, Papovich, Pearson, Pollo, Puget, Reid, Ryle, S. Oyabu, T. Goto, T. Ishigaki, T. T. Takeuchi, T. Takagi, T. Wada, Takeuchi, Tanabé, Taniguchi, Valiante, Wada, Walker, White, Williams, Woźniak, Y. Ohyama, Zhang   +49 more
core   +2 more sources

Developments for collective Thomson scattering equipment with a sub-THz gyrotron in LHD [PDF]

EPJ Web of Conferences, 2019
Plan of collective Thomson scattering (CTS) experiment for the Large Helical Device (LHD) in NIFS with a 303 GHz gyrotron is under way. Use of a sub-THz gyrotron expands the CTS-applicable region of plasma parameters.
Saito Teruo, Tatematsu Yoshinori, Yamaguchi Yuusuke, Fukunari Masafumi, Hirobe Takumi, Shinbayashi Ryushi, Tanaka Shunsuke, Ohkubo Kunizo, Kubo Shin, Shimozuma Takashi, Tanaka Kenji, Nishiura Masaki   +11 more
doaj   +1 more source

Cosmological infrared subtractions & infrared-safe computables

SciPost Physics
Cosmological observables in perturbation theory turn out to be plagued with infrared divergences, which represents both a conceptual and computational challenge. In this paper we present a proof of concept for a systematic procedure to remove these divergences in a large class of scalar cosmological integrals and consistently define an infrared safe ...
Paolo Benincasa, Francisco Vazao
openaire   +3 more sources

A Low Signal-to-Noise Ratio Infrared Small-Target Detection Network

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Space-based infrared detection technology is critical to space situational awareness, playing a significant role in noncooperative space object detection, threat perception, and space target surveillance.
Fenghong Li, Peng Rao, Wen Sun, Yueqi Su, Xin Chen   +4 more
doaj   +1 more source

Photonic slide rule with metasurfaces

Light: Science & Applications, 2022
Metasurface-based photonic slide rule enables the simultaneous resolving of unknown photons’ wavelength and polarization state in mid-infrared.
Feilong Yu, Jin Chen, Lujun Huang, Zengyue Zhao, Jiuxu Wang, Rong Jin, Jian Chen, Jian Wang, Andrey E. Miroshnichenko, Tianxin Li, Guanhai Li, Xiaoshuang Chen, Wei Lu   +12 more
doaj   +1 more source

Mid-infrared and optical spectroscopy of ultraluminous infrared galaxies: A comparison [PDF]

, 1999
New tools from Infrared Space Observatory (ISO) mid-infrared spectroscopy have recently become available to determine the power sources of dust-obscured ultraluminous infrared galaxies (ULIRGs).
Aussel H., Bergeron J., D. Lutz, Moorwood A. F. M., R. Genzel, Robinson A., S. Veilleux, Sanders D. B., Taniguchi Y., Young S.   +9 more
core   +2 more sources

Neutral Gas Outflows and Inflows in Infrared-Faint Seyfert Galaxies

, 2009
Previous studies of the Na I D interstellar absorption line doublet have shown that galactic winds occur in most galaxies with high infrared luminosities.
Cooper, Crenshaw, Croom, Croston, Das, David S. N. Rupke, Davies, de Vaucouleurs, Deo, Feldmeier, Ferrarese, Garnett, Granato, Hannah B. Krug, Henriksen, Kennicutt, Krongold, Krongold, Larson, Malkan, Martin, Martini, Martini, Martini, Mathur, Monier, Mouri, Netzer, Padovani, Pogge, Rodríguez-Ardila, Ruiz, Ruiz, Rupke, Rupke, Rupke, Sato, Scannapieco, Schlesinger, Schwartz, Schweitzer, Shapley, Smith, Spitzer, Springob, Stoll, Struve, Sylvain Veilleux, Thacker, Tremonti, Tremonti, van de Ven, Wegner, Weiner, Woo   +54 more
core   +1 more source

Sub-Arcsecond Near-Infrared Images of Massive Star Formation Region NGC 6334 V [PDF]

, 2006
We present high spatial resolution (0$\farcs$3) polarimetric images in the $H$ and $K$ bands and direct images in the $L'$ and $M'$ bands of the NGC 6334 V infrared nebulae.
Abe, Lyu, Hashimoto, Jun, Ishii, Miki, Kudo, Tomoyuki, Mayama, Satoshi, Suto, Hiroshi, Tamura, Motohide   +6 more
core   +3 more sources

A Review of Methods for Ship Detection with Electro-Optical Images in Marine Environments

Journal of Marine Science and Engineering, 2021
The ocean connects all continents and is an important space for human activities. Ship detection with electro-optical images has shown great potential due to the abundant imaging spectrum and, hence, strongly supports human activities in the ocean.
Liqian Wang, Shuzhen Fan, Yunxia Liu, Yongfu Li, Cheng Fei, Junliang Liu, Bohan Liu, Yakui Dong, Zhaojun Liu, Xian Zhao   +9 more
doaj   +1 more source