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The Wisconsin H-Alpha Mapper (WHAM) is a new facility dedicated to the study of faint optical emission lines from diffuse interstellar gas. During its first 18 months of operation, WHAM carried out a survey of the interstellar H-alpha…

Astrophysics · Physics 2007-05-23 R. J. Reynolds , L. M. Haffner , S. L. Tufte

The Calar Alto Fiber-fed \'Echelle spectrograph (CAFE) is a high-resolution spectrographs with high-precision radial velocity capabilities mounted in the 2.2m telescope of Calar Alto Observatory. It suffered from strong degradation after 4…

The ability to measure precise and accurate stellar effective temperatures ($T_{\rm{eff}}$) and surface gravities ($\log(g)$) is essential in determining accurate and precise abundances of chemical elements in stars. Measuring $\log(g)$…

Results are presented from a pilot survey of 3.3 micron PAH emission from planetary nebulae using FLITECAM, an instrument intended for airborne astronomy with SOFIA. The observations were made during ground-based commissioning of FLITECAM's…

Astrophysics · Physics 2009-11-13 Erin C. D. Smith , Ian S. McLean

The GASS is a survey of Galactic atomic hydrogen (HI) emission in the southern sky observed with the Parkes 64-m Radio Telescope. With a sensitivity of 60 mK for a channel width of 1 km/s the GASS is the most sensitive and most accurate…

Instrumentation and Methods for Astrophysics · Physics 2011-02-25 Peter M. W. Kalberla

We describe the calibration status and data products pertaining to the GR2 and GR3 data releases of the Galaxy Evolution Explorer (GALEX). These releases have identical pipeline calibrations that are significantly improved over the GR1 data…

This paper describes the software DRAGraces (Data Reduction and Analysis for GRACES), which is a pipeline reducing spectra from GRACES (Gemini Remote Access to the CFHT ESPaDOnS Spectrograph) at the Gemini North Telescope. The code is…

Instrumentation and Methods for Astrophysics · Physics 2021-02-17 André-Nicolas Chené , Shunyuan Mao , Michael Lundquist , Eder Martioli , Jeffrey L. Carlin

Gaia will obtain astrometry and spectrophotometry for essentially all sources in the sky down to a broad band magnitude limit of G=20, an expected yield of 10^9 stars. Its main scientific objective is to reveal the formation and evolution…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 C. Liu , C. A. L. Bailer-Jones , R. Sordo , A. Vallenari , R. Borrachero , X. Luri , P. Sartoretti

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

Sky subtraction is the key technique in data reduction of multi-fiber spectra. Knowledge of the related instrument character is necessary to determine the method adopted in sky subtraction. In this study, we described the sky subtraction…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 Zhong-Rui Bai , Hao-Tong Zhang , Hai-Long Yuan , Guang-Wei Li , Jian-Jun Chen , Ya-Juan Lei , Hui-Qin Yang , Yi-Qiao Dong , Gang Wang , Yong-Heng Zhao

Large scale filaments, with lengths that can reach tens of Mpc, are the most prominent features in the cosmic web. These filaments have only been observed indirectly through the positions of galaxies in large galaxy surveys or through…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-07 Robin Kooistra , Marta B. Silva , Saleem Zaroubi

We present a data reduction pipeline written in Python for data obtained with the near-infrared cross-dispersed echelle spectrograph, WINERED, which yields a 0.91$-$1.35 $\mu$m spectrum with the resolving power of $R_{\text{max}} \equiv…

A fully autonomous data reduction pipeline has been developed for FRODOSpec, an optical fibre-fed integral field spectrograph currently in use at the Liverpool Telescope. This paper details the process required for the reduction of data…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 R. M. Barnsley , R. J. Smith , I. A. Steele

With the purpose of assessing classic spectroscopic methods on high-resolution and high signal-to-noise ratio spectra in the near-infrared wavelength region, we selected a sample of 65 F-, G-, and K-type stars observed with CARMENES, the…

A Survey of Ionized Gas in the Galaxy, made with the Arecibo telescope (SIGGMA) uses the Arecibo L-band Feed Array (ALFA) to fully sample the Galactic plane (30 < l < 75 and -2 < b < 2; 175 < l < 207 and -2 < b < 1) observable with the…

Astrophysics of Galaxies · Physics 2015-06-16 B. Liu , T. Mclntyre , Y. Terzian , R. Minchin , L. Anderson , E. Churchwell , M. Lebron , D. Anish Roshi

We present an Echelle+CCD, high S/N, high resolution (R = 20\,000) spectroscopic atlas of 108 well-known objects representative of the most common types of peculiar and variable stars. The wavelength interval extends from 4600 to 9400 Ang,…

Solar and Stellar Astrophysics · Physics 2015-05-20 L. Tomasella , U. Munari , T. Zwitter
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