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Related papers: GH $\alpha$ FaS : Galaxy H-alpha Fabry-Perot Syste…

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This paper is the second in a pair of articles presenting data release 1 (DR1) of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS), the largest single open-time key project carried out with the Herschel Space Observatory.…

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has the largest aperture and a 19-beam L-band receiver, making it powerful for investigating the neutral hydrogen atomic gas (HI) in the universe. We present HiFAST…

The upcoming Extremely Large Telescopes (ELTs) are expected to have the collecting area required to detect potential biosignature gases such as molecular oxygen, $\mathrm{O_2}$, in the atmosphere of terrestrial planets around nearby stars.…

Instrumentation and Methods for Astrophysics · Physics 2023-10-18 Surangkhana Rukdee , Sagi Ben-Ami , Mercedes López-Morales , Andrew Szentgyorgyi , David Charbonneau , Juliana García-Mejía , Johannes Buchner

To date, the most detailed studies of galactic winds have come from 3-D spectrophotometric observations with radio and Fabry-Perot interferometers. Here, we report the latest results from a long-term optical survey of nearby active and…

Astrophysics · Physics 2007-05-23 S. Veilleux

Precise cosmological measurements are essential for understanding the evolution of the universe and the nature of dark energy. The Five-hundred-meter Aperture Spherical Telescope (FAST), the most sensitive single-dish radio telescope, has…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-23 Jun-Da Pan , Peng-Ju Wu , Guo-Hong Du , Yichao Li , Xin Zhang

The HESS Galactic Plane Survey (HGPS), published in 2018, presented a decade of very-high-energy (VHE) gamma-ray observations along the Galactic plane. This study was accompanied by the release of several maps in FITS format, offering a…

High Energy Astrophysical Phenomena · Physics 2025-12-19 François Brun , Baptiste Le Nagat-Neher , Marianne Lemoine-Goumard , Marie-Hélène Grondin , Paul Fauverge

For the last 25 years, the 21 cm line has been used productively to investigate the large-scale structure of the Universe, its peculiar velocity field and the measurement of cosmic parameters. In February 2005 a blind HI survey that will…

Astrophysics · Physics 2007-07-24 Riccardo Giovanelli

We summarize the high-resolution science that has been done on high redshift galaxies with Adaptive Optics (AO) on the world's largest ground-based facilities and with the Hubble Space Telescope (HST). These facilities complement each…

Astrophysics · Physics 2008-11-26 R. A. Windhorst , N. P. Hathi , S. H. Cohen , R. A. Jansen , D. Kawata , S. P. Driver , B. Gibson

We present LOFAR High-Band Array (HBA) observations of the Herschel-ATLAS North Galactic Pole survey area. The survey we have carried out, consisting of four pointings covering around 142 square degrees of sky in the frequency range…

We report on deep near-infrared observations obtained with the Wide Field Camera 3 (WFC3) onboard the Hubble Space Telescope (HST) of the first five confirmed gravitational lensing events discovered by the Herschel Astrophysical Terahertz…

We have identified 85 regions of enhanced H-Alpha emission at |b| > 10 degrees subtending approximately 1 degree or less on the Wisconsin H-Alpha Mapper (WHAM) sky survey. These high latitude ``WHAM point sources'' have H-Alpha fluxes of…

Astrophysics · Physics 2009-11-10 R. J. Reynolds , V. Chaudhary , G. J. Madsen , L. M. Haffner

We present preliminary results from a programme to obtain multi-object near-infrared spectroscopy of galaxies at redshifts $0.7<z<1.5$. We are using the instrument CIRPASS (the Cambridge Infra-Red PAnoramic Survey Spectrograph), in…

We present the first successful demonstration of multi-object near-infrared spectroscopy on high redshift galaxies. Our objective is to address the true star formation history of the universe at z~1, a crucial epoch which some have…

Astrophysics · Physics 2007-05-23 M. Doherty , A. Bunker , R. Sharp , G. Dalton , I. Parry , I. Lewis , E. MacDonald , C. Wolf

This survey, once completed, will provide a 3D sample of 200 nearby spiral and irregular galaxies in the Halpha line, using a Fabry-Perot system. The data cubes obtained for each galaxy allow derivation of lines maps, velocity fields and…

Astrophysics · Physics 2007-05-23 Philippe Amram , Olivia Garrido

Detecting HI using redshifted Ly-alpha absorption lines is 1e6 times more sensitive than using the 21cm emission line. We review recent discoveries of HI Ly-alpha absorbers made with the Hubble Space Telescope (HST) which have allowed us a…

The inner 10 pc of our galaxy contains many counterpart candidates of the very high energy (VHE; > 100 GeV) gamma-ray point source HESS J1745-290. Within the point spread function of the H.E.S.S. measurement, at least three objects are…

Astrophysics of Galaxies · Physics 2015-05-14 The HESS Collaboration , F. Acero

We present Fabry-P\'erot interferometric observations of the narrow H$\alpha$ component in the shock front of the historical supernova remnant Tycho (SN 1572). Using GH$\alpha$FaS (Galaxy H$\alpha$ Fabry-P\'erot Spectrometer) on the William…

High Energy Astrophysical Phenomena · Physics 2016-09-27 Sladjana Knežević , Ronald Läsker , Glenn van de Ven , Joan Font , John C. Raymond , Parviz Ghavamian , John Beckman

The study of Earth-mass extrasolar planets via the radial-velocity technique and the measurement of the potential cosmological variability of fundamental constants call for very-high-precision spectroscopy at the level of…

Instrumentation and Methods for Astrophysics · Physics 2019-04-24 F. Cersullo , A. Coffinet , B. Chazelas , C. Lovis , F. Pepe

We describe a 325-MHz survey, undertaken with the Giant Metrewave Radio Telescope (GMRT), which covers a large part of the three equatorial fields at 9, 12 and 14.5 h of right ascension from the Herschel-Astrophysical Terahertz Large Area…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 T. Mauch , H. -R. Klöckner , S. Rawlings , M. J. Jarvis , M. J. Hardcastle , D. Obreschkow , D. J. Saikia , M. A. Thompson