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The Australia Telescope Large Area Survey (ATLAS) is the widest deep radio survey ever attempted, covering 7 square degrees of sky in two separate fields, with extensive multi-wavelength data. The primary aim of this research is to…

Cosmology and Nongalactic Astrophysics · Physics 2009-09-23 Kate E. Randall , Andrew M. Hopkins , Ray P. Norris , Minnie Y. Mao

We present an optical to near-infrared selected astronomical catalogue covering 1270 deg.$^2$. This is the first attempt to systematically combine data from 23 of the premier extragalactic survey fields - the product of a vast investment of…

As the fields of stellar and exoplanetary study grow and revolutionary new detection instruments are created, it is imperative that a homogeneous, precise source of stellar parameters is available. This first work of the gr8stars…

We present the updated design of HighSpec, a high-resolution $\mathcal{R} \sim 20,000$ spectrograph designed for the Multi Aperture Spectroscopic Telescope (MAST). HighSpec offers three observing modes centered at the Ca II H&K, Mg b…

DEEP is a multi-institutional program designed to undertake a major spectroscopic survey of 10,000+ field galaxies to I ~ 23 with a new instrument (DEIMOS) on the Keck II 10-m telescope. The scientific goals include exploring galaxy…

Astrophysics · Physics 2007-05-23 David C. Koo

This is the first of a series of papers presenting the THROES (A caTalogue of HeRschel Observations of Evolved Stars) project, intended to provide a comprehensive overview of the spectroscopic results obtained in the far-infrared (55-670…

Solar and Stellar Astrophysics · Physics 2018-04-04 J. Ramos-Medina , C. Sánchez Contreras , P. García-Lario , C. Rodrigo , J. da Silva Santos , E. Solano

The Large Area Telescope (LAT), the primary instrument for the Fermi Gamma-ray Space Telescope (Fermi) mission, is an imaging, wide field-of-view, high-energy gamma-ray telescope, covering the energy range from 30 MeV to more than 300 GeV.…

Instrumentation and Methods for Astrophysics · Physics 2021-09-07 The Fermi LAT Collaboration , M. Ajello , W. B. Atwood , M. Axelsson , R. Bagagli , M. Bagni , L. Baldini , D. Bastieri , F. Bellardi , R. Bellazzini , E. Bissaldi , E. D. Bloom , R. Bonino , J. Bregeon , A. Brez , P. Bruel , R. Buehler , S. Buson , R. A. Cameron , P. A. Caraveo , E. Cavazzuti , M. Ceccanti , S. Chen , C. C. Cheung , S. Ciprini , I. Cognard , J. Cohen-Tanugi , S. Cutini , F. D'Ammando , P. de la Torre Luque , F. de Palma , S. W. Digel , F. Dirirsa , N. Di Lalla , L. Di Venere , A. Domínguez , D. Fabiani , E. C. Ferrara , A. Fiori , G. Foglia , Y. Fukazawa , P. Fusco , F. Gargano , D. Gasparrini , M. Giroletti , T. Glanzman , D. Green , S. Griffin , M. -H. Grondin , J. E. Grove , L. Guillemot , S. Guiriec , M. Gustafsson , E. Hays , D. Horan , G. Jóhannesson , T. J. Johnson , T. Kamae , M. Kerr , M. Kuss , S. Larsson , L. Latronico , M. Lemoine-Goumard , J. Li , I. Liodakis , F. Longo , F. Loparco , M. N. Lovellette , P. Lubrano , S. Maldera , A. Manfreda , G. Martí-Devesa , M. N. Mazziotta , N. Menon , I. Mereu , M. Meyer , P. F. Michelson , M. Minuti , W. Mitthumsiri , T. Mizuno , M. Mongelli , M. E. Monzani , I. V. Moskalenko , M. Negro , E. Nuss , R. Ojha , M. Orienti , E. Orlando , A. Paccagnella , V. S. Paliya , D. Paneque , Z. Pei , J. S. Perkins , M. Pesce-Rollins , M. Pinchera , F. Piron , H. Poon , T. A. Porter , R. Primavera , G. Principe , J. L. Racusin , S. Rainò , R. Rando , B. Rani , E. Rapposelli , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , J. J. Russell , N. Saggini , P. M. Saz Parkinson , N. Scolieri , D. Serini , C. Sgrò , E. J. Siskind , D. A. Smith , G. Spandre , P. Spinelli , D. J. Suson , H. Tajima , J. G. Thayer , D. J. Thompson , L. Tibaldo , D. F. Torres , G. Tosti , J. Valverde , L. Vigiani , G. Zaharijas

The Fermi Gamma-ray Space Telescope (Fermi) was launched on June 11, 2008 and began its first year sky survey on August 11, 2008. The Large Area Telescope (LAT), a wide field-of-view pair-conversion telescope covering the energy range from…

High Energy Astrophysical Phenomena · Physics 2010-11-30 Peter F. Michelson , William B. Atwood , Steven Ritz

The Herschel Multi-tiered Extragalactic Survey (HerMES) is the largest Guaranteed Time Key Programme on the Herschel Space Observatory. With a wedding cake survey strategy, it consists of nested fields with varying depth and area totalling…

Modern theories of galaxy formation predict that the Galactic stellar halo was hierarchically assembled from the accretion and disruption of smaller systems. This hierarchical assembly is expected to produce a high degree of structure in…

GrailQuest (Gamma-ray Astronomy International Laboratory for Quantum Exploration of Space-Time) is an ambitious astrophysical mission concept that uses a fleet of small satellites whose main objective is to search for a dispersion law for…

High Energy Astrophysical Phenomena · Physics 2021-01-19 L. Burderi , T. Di Salvo , A. Sanna , F. Fiore , A. Riggio , A. F. Gambino , the HERMES-TP , HERMES-SP Collaborations

We present the first X-ray spectrum obtained by the Low Energy Transmission Grating Spectrometer (LETGS) aboard the Chandra X-ray Observatory. The spectrum is of Capella and covers a wavelength range of 5-175 A (2.5-0.07 keV). The measured…

Spectroscopy is a powerful tool for detecting variability in the rapidly oscillating Ap (roAp) stars. The technique requires short integrations times and high resolution, and so is limited to only a few telescopes and instruments. To test…

Solar and Stellar Astrophysics · Physics 2020-09-09 D. L. Holdsworth , E. Brunsden

A low dispersion spectrograph-cum-imager has been developed and assembled in ARIES, Nainital. The optical design of the spectrograph consists of a collimator and a focal reducer converting the f/9 beam from the 3.6-m Devasthal optical…

Instrumentation and Methods for Astrophysics · Physics 2022-04-20 Amitesh Omar , T. S. Kumar , B. Krishna Reddy , Jayshreekar Pant , Manoj Mahto

The GALEX (Galaxy Evolution Explorer) spectroscopic survey mode, with a resolution of about 8 A in the FUV (1350 - 1750 A) and about 20 A in the NUV (1950 - 2750 A) is used for a systematic search of Ly-a emitting galaxies at low redshift.…

We will study the formation history of the Milky Way, and the earliest phases of its chemical enrichment, with a sample of more than 1.5 million stars at high galactic latitude. Elemental abundances of up to 20 elements with a precision of…

We report on our observing program to obtain integrated spectrophotometry, intermediate and high resolution major axis spectra, and U,B,R surface photo- metry of a representative sample of ~200 galaxies in the nearby field. The main goal of…

Astrophysics · Physics 2009-11-06 R. A. Jansen , S. J. Kannappan