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8 8.0

The host galaxies of X-ray selected Active Galactic Nuclei to z=2.5: Structure, star-formation and their relationships from CANDELS and Herschel/PACS

Jun 30, 2018 06/18

by D. J. Rosario; D. H. McIntosh; A. van der Wel; J. Kartaltepe; P. Lang; P. Santini; S. Wuyts; D. Lutz; M. Rafelski; C. Villforth; D. M. Alexander; F. E. Bauer; E. F. Bell; S. Berta; W. N. Brandt; C. J. Conselice; A. Dekel; S. M. Faber; H. C. Ferguson; R. Genzel; N. A. Grogin; D. D. Kocevski; A. M. Koekemoer; D. C. Koo; J. M. Lotz; B. Magnelli; R. Maiolino; M. Mozena; J. R. Mullaney; C. J. Papovich; P. Popesso; L. J. Tacconi; J. R. Trump; S. Avadhuta; R. Bassett; A. Bell; M. Bernyk; F. Bournaud;...

eye 8

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We study the relationship between the structure and star-formation rate (SFR) of X-ray selected low and moderate luminosity active galactic nuclei (AGNs) in the two Chandra Deep Fields, using Hubble Space Telescope imaging from the Cosmic Assembly Near Infrared Extragalactic Legacy Survey (CANDELS) and deep far-infrared maps from the PEP+GOODS-Herschel survey. We derive detailed distributions of structural parameters and FIR luminosities from carefully constructed control samples of galaxies,...
Topics: Astrophysics of Galaxies, Astrophysics
Source: http://arxiv.org/abs/1409.5122

Arxiv.org

3 3.0

Rapidly growing black holes and host galaxies in the distant Universe from the Herschel Radio Galaxy Evolution Project

Jun 30, 2018 06/18

by G. Drouart; C. De Breuck; J. Vernet; N. Seymour; M. Lehnert; P. Barthel; F. E. Bauer; E. Ibar; A. Galametz; M. Haas; N. Hatch; J. R. Mullaney; N. Nesvadba; B. Rocca-Volmerange; H. J. A. Rottgering; D. Stern; D. Wylezalek

eye 3

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We present results from a survey of 70 radio galaxies (RGs) at redshifts 12.5 are higher than the sSFR of typical star-forming galaxies over the same redshift range but are similar or perhaps lower than the galaxy population for RGs at z
Topics: Astrophysics of Galaxies, Astrophysics, Cosmology and Nongalactic Astrophysics
Source: http://arxiv.org/abs/1404.1080

Arxiv.org

4 4.0

Photometric Redshifts in the Hawaii-Hubble Deep Field-North (H-HDF-N)

Jun 30, 2018 06/18

by G. Yang; Y. Q. Xue; B. Luo; W. N. Brandt; D. M. Alexander; F. E. Bauer; W. Cui; X. Kong; B. D. Lehmer; J. -X. Wang; X. -B. Wu; F. Yuan; Y. -F. Yuan; H. Y. Zhou

eye 4

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We derive photometric redshifts (\zp) for sources in the entire ($\sim0.4$ deg$^2$) Hawaii-Hubble Deep Field-North (\hdfn) field with the EAzY code, based on point spread function-matched photometry of 15 broad bands from the ultraviolet (\bandu~band) to mid-infrared (IRAC 4.5 $\mu$m). Our catalog consists of a total of 131,678 sources. We evaluate the \zp~quality by comparing \zp~with spectroscopic redshifts (\zs) when available, and find a value of normalized median absolute deviation...
Topics: Astrophysics of Galaxies, Astrophysics
Source: http://arxiv.org/abs/1410.6860

Arxiv.org

7 7.0

PESSTO : survey description and products from the first data release by the Public ESO Spectroscopic Survey of Transient Objects

Jun 30, 2018 06/18

by S. J. Smartt; S. Valenti; M. Fraser; C. Inserra; D. R. Young; M. Sullivan; A. Pastorello; S. Benetti; A. Gal-Yam; C. Knapic; M. Molinaro; F. Yuan; L. Zampieri; R. Smareglia; K. W. Smith; S. Taubenberger; O. Yaron; J. P. Anderson; C. Ashall; C. Balland; C. Baltay; C. Barbarino; F. E. Bauer; S. Baumont; D. Bersier; N. Blagorodnova; S. Bongard; M. T. Botticella; F. Bufano; M. Bulla; E. Cappellaro; H. Campbell; F. Cellier-Holzem; T. -W. Chen; M. J. Childress; A. Clocchiatti; C. Contreras; M. Dall...

eye 7

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The Public European Southern Observatory Spectroscopic Survey of Transient Objects (PESSTO) began as a public spectroscopic survey in April 2012. We describe the data reduction strategy and data products which are publicly available through the ESO archive as the Spectroscopic Survey Data Release 1 (SSDR1). PESSTO uses the New Technology Telescope with EFOSC2 and SOFI to provide optical and NIR spectroscopy and imaging. We target supernovae and optical transients brighter than 20.5mag for...
Topics: Instrumentation and Methods for Astrophysics, Astrophysics, Solar and Stellar Astrophysics
Source: http://arxiv.org/abs/1411.0299

Arxiv.org

4 4.0

GRB 120422A/SN 2012bz: Bridging the Gap between Low- And High-Luminosity GRBs

Jun 30, 2018 06/18

by S. Schulze; D. Malesani; A. Cucchiara; N. R. Tanvir; T. Krühler; A. de Ugarte Postigo; G. Leloudas; J. Lyman; D. Bersier; K. Wiersema; D. A. Perley; P. Schady; J. Gorosabel; J. P. Anderson; A. J. Castro-Tirado; S. B. Cenko; A. De Cia; L. E. Ellerbroek; J. P. U. Fynbo; J. Greiner; J. Hjorth; D. A. Kann; L. Kaper; S. Klose; A. J. Levan; S. Martín; P. T. O'Brien; K. L. Page; G. Pignata; S. Rapaport; R. Sánchez-Ramírez; J. Sollerman; I. A. Smith; M. Sparre; C. C. Thöne; D. J. Watson; D. Xu; F....

eye 4

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At low redshift, a handful of gamma-ray bursts (GRBs) have been discovered with peak luminosities ($L_{\rm iso} < 10^{48.5}~\rm{erg\,s}^{-1}$) substantially lower than the average of the more distant ones ($L_{\rm iso} > 10^{49.5}~\rm{erg\,s}^{-1}$). The properties of several low-luminosity (low-$L$) GRBs indicate that they can be due to shock break-out, as opposed to the emission from ultrarelativistic jets. Owing to this, it is highly debated how both populations are connected, and...
Topics: High Energy Astrophysical Phenomena, Astrophysics, Cosmology and Nongalactic Astrophysics
Source: http://arxiv.org/abs/1401.3774

Arxiv.org

4 4.0

Young Galaxy Candidates in the Hubble Frontier Fields. I. Abell 2744

Jun 30, 2018 06/18

by W. Zheng; X. Shu; J. Moustakas; A. Zitrin; H. C. Ford; X. Huang; T. Broadhurst; A. Molino; J. M. Diego; L. Infante; F. E. Bauer; D. D. Kelson; R. Smit

eye 4

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We report the discovery of 24 Lyman-break candidates at 7
Topics: Astrophysics of Galaxies, Astrophysics, Cosmology and Nongalactic Astrophysics
Source: http://arxiv.org/abs/1402.6743

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