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Optical emission line diagnostics, which are a common tool to constrain the properties of the interstellar medium (ISM) of galaxies, become progressively inaccessible at higher redshifts for ground-based facilities. Far-infrared (FIR)…

星系天体物理 · 物理学 2024-07-17 Alice Schimek , Claudia Cicone , Sijing Shen , Davide Decataldo , Pamela Klaassen , Lucio Mayer

We investigate the properties of cold gas at $10^4~\rm K$ around star-forming galaxies at $z~\sim~1$ using Mg II spectra through radiative transfer modeling. We utilize a comprehensive dataset of 624 galaxies from the MAGG and MUDF…

High-resolution spectroscopy in soft X-rays ($<2$ keV) requires diffractive elements to resolve any astrophysically relevant diagnostics, such as closely spaced lines, weak absorption lines, or line profiles. The Rowland torus geometry…

天体物理仪器与方法 · 物理学 2024-08-21 Hans Moritz Günther , Casey T. DeRoo , Ralf K. Heilmann , Edward Hertz

We consider the capabilities of current and future large facilities operating at 2\,mm to 3\,mm wavelength to detect and image the [CII] 158\,$\mu$m line from galaxies into the cosmic "dark ages" ($z \sim 10$ to 20). The [CII] line may…

星系天体物理 · 物理学 2017-10-18 C. L. Carilli , E. J. Murphy , A. Ferrara , P. Dayal

The Transient High-Energy Sky and Early Universe Surveyor (THESEUS) is a mission concept developed in the last years by a large European consortium and currently under study by the European Space Agency (ESA) as one of the three candidates…

天体物理仪器与方法 · 物理学 2019-10-16 L. Amati , E. Bozzo , P. O'Brien , D. Götz

Wide Field Slitless Spectroscopy (WFSS) provides a powerful tool for detecting strong line emission in star forming galaxies (SFGs) without the need for target pre-selection. As part of the GLASS-JWST-ERS program, we leverage the…

There is a major opportunity for the KDUST 2.5m telescope to carry out the next generation IR survey. A resolution of 0.2 arcsec is obtainable from Dome A over a wide field. This opens a unique discovery space during the 2015-2025 decade. A…

天体物理仪器与方法 · 物理学 2015-06-11 Jeremy Mould

We describe the development of automated emission line detection software for the Fiber Multi-Object Spectrograph (FMOS), which is a near-infrared spectrograph fed by $400$ fibers from the $0.2$ deg$^2$ prime focus field of view of the…

We present a generic and fully-automatic method aimed at detecting absorption lines in the spectra of astronomical objects. The algorithm estimates the source continuum flux using a dimensionality reduction technique, nonnegative matrix…

宇宙学与河外天体物理 · 物理学 2015-06-12 Guangtun Zhu , Brice Ménard

The Gamma-Ray Integrated Detectors (GRID) are a space project to monitor the transient gamma-ray sky in the multi-messenger astronomy era using multiple detectors on-board CubeSats. The second GRID detector, GRID-02, was launched in 2020.…

We present basic data and modeling for a survey of the cool, photo-ionized Circum-Galactic Medium (CGM) of low-redshift galaxies using far-UV QSO absorption line probes. This survey consists of "targeted" and "serendipitous" CGM subsamples,…

The VLTI Spectro Imager (VSI) was proposed as a second-generation instrument of the Very Large Telescope Interferometer providing the ESO community with spectrally-resolved, near-infrared images at angular resolutions down to 1.1…

Euclid, WFIRST, and HETDEX will make emission-line selected galaxies the largest observed constituent in the $z > 1$ universe. However, we only have a limited understanding of the physical properties of galaxies selected via their…

HIRMES is a far-infrared spectrometer that was chosen as the third generation instrument for NASA's SOFIA airborne observatory. HIRMES promises background limited performance in four modes that cover the wavelength range between 25 and 122…

天体物理仪器与方法 · 物理学 2018-08-20 Greg Douthit , Gordon Stacey , Thomas Nikola , Chuck Henderson , George Gull , Kayla Rossi , Alexander Kutyrev , Harvey Moseley

We present broad band imaging observations obtained with the ``peak up'' imagers of the Spitzer Space Telescope Infrared Spectrograph (IRS) at wavelengths of 16micron and 22micron for a number of sources detected primarily at submillimeter…

Observing supernovae (SNe) in the early Universe (z > 3) provides a window into how both galaxies and individual stars have evolved over cosmic time, yet a detailed study of high-redshift stars and SNe has remained difficult due to their…

高能天体物理现象 · 物理学 2026-01-22 David A. Coulter , Conor Larison , Justin D. R. Pierel , Seiji Fujimoto , Vasily Kokorev , Joseph F. V. Allingham , Takashi J. Moriya , Matthew Siebert , Yoshihisa Asada , Rachel Bezanson , Maruša Bradač , Gabriel Brammer , John Chisholm , Dan Coe , Pratika Dayal , Michael Engesser , Steven L. Finkelstein , Ori D. Fox , Lukas J. Furtak , Anton M. Koekemoer , Thomas Moore , Minami Nakane , Masami Ouchi , Richard Pan , Robert Quimby , Armin Rest , Johan Richard , Luke Robbins , Louis-Gregory Strolger , Fengwu Sun , Tommaso Treu , Hiroto Yanagisawa , Abdurro'uf , Aadya Agrawal , Ricardo Amorín , Joseph P. Anderson , Rodrigo Angulo , Hakim Atek , Franz E. Bauer , Larry D. Bradley , Volker Bromm , Mateusz Bronikowski , Christopher J. Conselice , Christa DeCoursey , James M. DerKacy , Guillaume Desprez , Suhail Dhawan , Jose M. Diego , Eiichi Egami , Andreas Faisst , Brenda Frye , Sebastian Gomez , Mauro González-Otero , Massimo Griggio , Yuichi Harikane , Kohei Inayoshi , Saurabh W. Jha , Yolanda Jiménez-Teja , Jeyhan S. Kartaltepe , Patrick L. Kelly , Lindsey A. Kwok , Zachary G. Lane , Xiaolong Li , Ivo Lobbe , Paulo A. A. Lopes , Ray A. Lucas , Georgios E. Magdis , Nicholas S. Martis , Jorryt Matthee , Ashish K. Meena , Rohan P. Naidu , Gaël Noirot , Masamune Oguri , Estefania Padilla Gonzalez , Massimo Pascale , Tanja Petrushevska , Massimo Ricotti , Daniel Schaerer , Stefan Schuldt , Melissa Shahbandeh , William Sheu , Koji Shukawa , Akiyoshi Tsujita , Eros Vanzella , Qinan Wang , John Weaver , Robert Williams , Rogier Windhorst , Yi Xu , Yossef Zenati , Adi Zitrin

We present the Bidimensional Exploration of the warm-Temperature Ionised gaS (BETIS) project, designed for the spatial and spectral study of the diffuse ionised gas (DIG) in a selection of nearby spiral galaxies observed with the MUSE…

SCUBA-2 is an innovative 10,000 pixel submillimeter camera due to be delivered to the James Clerk Maxwell Telescope in late 2006. The camera is expected to revolutionize submillimeter astronomy in terms of the ability to carry out…

We report absolutely calibrated measurements of diffuse radio emission between 90 and 190 MHz from the Experiment to Detect the Global EoR Signature (EDGES). EDGES employs a wide beam zenith-pointing dipole antenna centred on a declination…

天体物理仪器与方法 · 物理学 2016-10-25 Thomas. J. Mozdzen , Judd. D. Bowman , Raul. A. Monsalve , Alan. E. E. Rogers

We present sensitivity estimates for point and resolved astronomical sources for the current design of the InfraRed Imaging Spectrograph (IRIS) on the future Thirty Meter Telescope (TMT). IRIS, with TMT's adaptive optics system, will…

天体物理仪器与方法 · 物理学 2015-05-19 Shelley A. Wright , Elizabeth J. Barton , James E. Larkin , Anna M. Moore , David Crampton , Luc Simard , IRIS team