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Deep radio observations at 1.4GHz for the Extended Chandra Deep Field South were performed in June through September of 2007 and presented in a first data release (Miller et al. 2008). The survey was made using six separate pointings of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 N. A. Miller , M. Bonzini , E. B. Fomalont , K. I. Kellermann , V. Mainieri , P. Padovani , P. Rosati , P. Tozzi , S. Vattakunnel

We present the ZEN (z equals nine) survey: a deep, narrow J-band search for proto-galactic Lya emission at redshifts z=9. In the first phase of the survey, dubbed ZEN1, we combine an exceptionally deep image of the Hubble Deep Field South,…

Astrophysics · Physics 2007-05-23 J. P. Willis , F. Courbin , J-P. Kneib , D. Minniti

We have used the Karl G. Jansky Very Large Array to image ~100 sq. deg. of SDSS Stripe 82 at 1-2 GHz. The survey consists of 1,026 snapshot observations of 2.5 minutes duration, using the hybrid CnB configuration. The survey has good…

Instrumentation and Methods for Astrophysics · Physics 2016-05-31 I. Heywood , M. J. Jarvis , A. J. Baker , K. W. Bannister , C. S. Carvalho , M. Hardcastle , M. Hilton , K. Moodley , O. M. Smirnov , D. J. B. Smith , S. V. White , E. J. Wollack

We have attempted to analyse all the available data taken by XMM-Newton as it slews between targets. This slew survey, the resultant source catalogue and the analysis procedures used are described in an accompanying paper. In this letter we…

Astrophysics · Physics 2015-06-24 Andrew Read , Richard Saxton , Pilar Esquej , Michael Freyberg , Bruno Altieri

A full-sky H-alpha map with 6 arcmin (FWHM) resolution is presented. This map is a composite of the Virginia Tech Spectral line Survey (VTSS) in the north and the Southern H-Alpha Sky Survey Atlas (SHASSA) in the south. The Wisconsin…

Astrophysics · Physics 2009-11-07 Douglas P. Finkbeiner

The ionization of xenon atoms subjected to 42fs, 800nm pulses of radiation from a Ti:Sapphire laser was investigated. In our experiments a maximum laser intensity of $\sim2\times 10^{15} \textrm{W}/\textrm{cm}^2$ was used. Xenon ions were…

Atomic Physics · Physics 2016-05-09 J. Strohaber , A. A. Kolomenskii , H. A. Schuessler

Low Earth Orbit satellite (LEOsat) mega-constellations are considered to be an unavoidable source of contamination for survey observations to be carried out by the China Space Station Telescope (CSST) over the next decade. This study…

Instrumentation and Methods for Astrophysics · Physics 2025-10-27 Huai-Jin Tang , Xiao-Lei Meng , Hu Zhan , Guo-Liang Li , Cheng-Liang Wei , Xian-Min Meng , Xi-Yang Fu , You-Hua Xu

We have obtained spatially resolved spectra of Titan in the near-infrared J, H and K bands at a resolving power of ~5000 using the near-infrared integral field spectrometer (NIFS) on the Gemini North 8m telescope. Using recent data from the…

Earth and Planetary Astrophysics · Physics 2015-05-27 Jeremy Bailey , Linda Ahlsved , V. S. Meadows

Thousands of active artificial objects are orbiting around Earth along with much more non-operational ones -- derelict satellites or rocket bodies, collision debris, or spacecraft payloads, significant part of them being uncatalogued. They…

Instrumentation and Methods for Astrophysics · Physics 2022-02-14 Sergey Karpov , Julien Peloton

We have conducted an optical/near-infrared study of the environments of radio-loud quasars (RLQs) at redshifts z=0.6-2. In this paper we discuss the sample selection and observations for the z=1-2 subsample and the reduction and cataloguing…

Astrophysics · Physics 2009-10-30 Patrick B. Hall , Richard F. Green , Martin Cohen

We present here the results of a 325 MHz radio survey of M31, conducted with the A-configuration of the Very Large Array. The survey covered an area of 7.6 deg$^2$, and a total of 405 radio sources between $\la$6\arcsec and 170\arcsec in…

Astrophysics · Physics 2009-11-10 Joseph D. Gelfand , T. Joseph W. Lazio , B. M. Gaensler

We present a 74 MHz survey of a 165 square degree region located near the north galactic pole. This survey has an unprecedented combination of both resolution (25'' FWHM) and sensitivity (RMS noise as low as 24 mJy/beam). We detect 949…

Astrophysics · Physics 2009-11-10 A. S. Cohen , H. J. A. Rottgering , M. J. Jarvis , N. E. Kassim , T. J. W. Lazio

The VST Optical Imaging of the CDFS and ES1 Fields (VOICE) Survey, in synergy with the SUDARE survey, is a deep optical $ugri$ imaging of the CDFS and ES1 fields using the VLT Survey Telescope (VST). The observations for the CDFS field…

We report on the results of a search for radio transients between 115 and 190\,MHz with the LOw-Frequency ARray (LOFAR). Four fields have been monitored with cadences between 15 minutes and several months. A total of 151 images were…

We investigate weak lensing by large-scale structure using ray tracing through N-body simulations. Photon trajectories are followed through high resolution simulations of structure formation to make simulated maps of shear and convergence…

Astrophysics · Physics 2009-09-25 Bhuvnesh Jain , Uros Seljak , Simon White

We present basic observational data on the 6C** sample. This is a new sample of radio sources drawn from the 151 MHz 6C survey, which was filtered with radio criteria chosen to optimize the chances of finding radio galaxies at z > 4. The…

Many deep wide-band wide-field radio interferometric surveys are being designed to accurately measure intensities, spectral indices and polarization properties of faint source populations. In this paper we compare various wideband imaging…

Instrumentation and Methods for Astrophysics · Physics 2016-10-26 Urvashi Rau , Sanjay Bhatnagar , Frazer N. Owen

We have conducted a deep survey (with a central rms of $55\mu\textrm{Jy}$) with the LOw Frequency ARray (LOFAR) at 120-168 MHz of the Bo\"otes field, with an angular resolution of $3.98^{''}\times6.45^{''}$, and obtained a sample of 10091…