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We present complimentary techniques to find emission-line targets and measure their properties in a semi-automated fashion from grism observations obtained with the Advanced Camera for Surveys aboard the Hubble Space Telescope. The first…

We report results from the Wide-orbit Exoplanet search with InfraRed Direct imaging (WEIRD), a survey designed to search for Jupiter-like companions on very wide orbits (1000 to 5000 AU) around young stars ($<$120 Myr) that are known…

On July 13, 2022, NASA released to the whole world the data obtained by the James Webb Space Telescope (JWST) Early Release Observations (ERO). These are the first set of science-grade data from this long-awaited facility, marking the…

星系天体物理 · 物理学 2023-01-04 Haojing Yan , Zhiyuan Ma , Chenxiaoji Ling , Cheng Cheng , Jia-sheng Huang

We present the results of a systematic search for candidate quiescent galaxies in the distant Universe in eleven $JWST$ fields with publicly available observations collected during the first three months of operations and covering an…

We present new optical and infrared photometry for a statistically complete sample of seven 1.1 mm selected sources with accurate Submillimetre Array coordinates. We determine photometric redshifts for four of the seven sources of 4.47,…

天体物理学 · 物理学 2009-07-31 G. Raymond , S. A. Eales , S. Dye , R. Carlberg , M. Sullivan

We first present a catalogue of photometric redshifts for 14.68 million galaxies derived from the 7-band photometric data of Hyper Suprime-Cam Subaru Strategic Program and the Wide-field Infrared Survey Explorer using the nearest-neighbour…

宇宙学与河外天体物理 · 物理学 2020-11-20 Z. L. Wen , J. L. Han

Extremely red quasars, with bolometric luminosities exceeding $10^{47}$ erg s$^{-1}$, are a fascinating high-redshift population that is absent in the local universe. They are the best candidates for supermassive black holes accreting at…

We present a Keck II LRIS spectroscopic follow-up study of the possible optical counterparts to a flux-limited sample of galaxies selected from an 850-micron survey of massive lensing clusters using the SCUBA bolometer array on the JCMT.…

天体物理学 · 物理学 2016-08-30 A. J. Barger , L. L. Cowie , I. Smail , R. J. Ivison , A. W. Blain , J. -P. Kneib

We present the first results on the search for very bright (M_AB -21) galaxies at redshift z~8 from the Brightest of Reionizing Galaxies (BoRG) survey. BoRG is a Hubble Space Telescope Wide Field Camera 3 pure-parallel survey that is…

宇宙学与河外天体物理 · 物理学 2015-05-20 M. Trenti , L. D. Bradley , M. Stiavelli , P. Oesch , T. Treu , R. J. Bouwens , J. M. Shull , J. W. MacKenty , C. M. Carollo , G. D. Illingworth

IRAS flux densities, redshifts, and infrared luminosities are reported for all sources identified in the IRAS Revised Bright Galaxy Sample (RBGS), a complete flux-limited survey of all extragalactic objects with total 60 micron flux density…

天体物理学 · 物理学 2011-07-18 D. B. Sanders , J. M. Mazzarella , D. -C. Kim , J. A. Surace , B. T. Soifer

The dearth of high quality spectroscopy of dusty star-forming galaxies (DSFGs) -- the main drivers of the assembly of dust and stellar mass at the peak of activity in the Universe -- greatly hinders our ability to interpret their physical…

The addition of deep near infrared images to the database provided by the HDF-S WFPC2 is essential to monitor the SEDs of the objects on a wide baseline and address a number of key issues including the total stellar content of baryonic…

天体物理学 · 物理学 2009-11-07 S. Cristiani , S. Arnouts , A. Fontana , P. Saracco , E. Vanzella

The sensitivity available to near-infrared surveys has recently allowed us to probe the galaxy population at $z\approx 7$ and beyond. The existing {\em Hubble} Wide Field Camera 3 (WFC3) and the Visible and Infrared Survey Telescope for…

星系天体物理 · 物理学 2014-03-05 Stephen M. Wilkins , Elizabeth R. Stanway , Malcolm N. Bremer

Luminous and ultra-luminous infrared galaxies ((U)LIRGs) are rare today but are increasingly abundant at high redshifts. They are believed to be dusty starbursts, and hence should have high rates of supernovae (multiple events per year).…

星系天体物理 · 物理学 2018-10-31 Haojing Yan , Zhiyuan Ma , John F. Beacom , James Runge

We present the first results from the Distant Radio Galaxies Optically Non-detected in the SDSS (DRaGONS) Survey. Using a novel selection technique for identifying high redshift radio galaxy (HzRG) candidates, a large sample of bright…

天体物理学 · 物理学 2008-11-26 S. J. Schmidt , A. J. Connolly , A. M. Hopkins

We present a multi-wavelength study of a 3.6 $\mu$m-selected galaxy sample in the Extended Groth strip. The sample is complete for galaxies with stellar mass $>10^{9.5}$ \Msun and redshift $0.4<z<1.2$. In this redshift range, the IRAC 3.6…

QSOs are essential for investigating the structure and evolution of the Universe. Historically, their identification has been concentrated in the northern hemisphere, primarily due to the sky coverage of major astronomical surveys. The…