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相关论文: Far-Ultraviolet Observations of Outflows from IR-L…

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We have cross-correlated Far Infrared (IRAS) and UV (FOCA) observations of galaxies to construct a sample of FIR selected galaxies with a UV observation at 0.2 microns. The FIR and UV properties of this sample are compared to the mean…

天体物理学 · 物理学 2019-08-17 V. Buat , J. Donas , B. Milliard , C. Xu

Far-infrared line and continuum fluxes are presented for a sample of 227 galaxies observed with the Long Wavelength Spectrometer on the Infrared Space Observatory. The galaxy sample includes normal star-forming systems, starbursts, and…

天体物理学 · 物理学 2009-11-13 James R. Brauher , Daniel A. Dale , George Helou

Numerical simulations suggest that active galactic nuclei (AGNs) play an important role in the formation of early-type galaxies by expelling gas and dust in powerful galactic winds and quenching star formation. However, the existence of AGN…

天体物理学 · 物理学 2009-11-13 Christy A. Tremonti , John Moustakas , Aleksandar M. Diamond-Stanic

We propose an explanation for the far-infrared/radio correlation of galaxies in terms of the energy balance of the interstellar medium and determine the flux from high-energy photons and neutrinos from starburst galaxies. We present a…

高能天体物理现象 · 物理学 2009-01-23 Julia K. Becker , Peter L. Biermann , Jens Dreyer , Tanja M. Kneiske

We investigate the strongly lensed (\mu x10-100) Lyman continuum (LyC) galaxy, dubbed Sunburst, at z=2.37, taking advantage of a new accurate model of the lens. A characterization of the intrinsic (delensed) properties of the galaxy yields…

The acquisition of deep Near-IR imaging with Wide Field Camera 3 on the Hubble Space Telescope has provided the opportunity to study the very-high redshift Universe. For galaxies up to $z\approx 7.7$ sufficient wavelength coverage exists to…

宇宙学与河外天体物理 · 物理学 2015-05-28 Stephen M. Wilkins , Andrew J. Bunker , Elizabeth Stanway , Silvio Lorenzoni , Joseph Caruana

We analyze 330 ks of {\it Chandra} X-ray imaging and spectra of the nearby, edge-on starburst and Seyfert Type 2 galaxy NGC 4945 to measure the hot gas properties along the galactic outflows. We extract and model spectra from 15 regions…

We analysed ALMA FIR (1.3 mm) dust continuum and CO emission of 12 starburst galaxies at $z\sim 2.1-3.6$, selected for their extreme brightness in the rest-UV with $M_{\rm UV} = -23.4$ to $-24.7$. We also analysed VLT HAWK-I $H$- and…

We report interferometric measurements of [NII] 205 um fine-structure line emission from a representative sample of three galaxies at z=5-6 using the Atacama Large (sub)Millimeter Array (ALMA). These galaxies were previously detected in…

We study outflows in 130 galaxies with -22<MUV<-16 at z=3-9 identified in JWST NIRSpec and NIRCam WFSS data taken by the ERO, CEERS, FRESCO, GLASS, and JADES programs. We identify 30 out of the 130 galaxies with broad components of…

星系天体物理 · 物理学 2025-03-31 Yi Xu , Masami Ouchi , Kimihiko Nakajima , Yuichi Harikane , Yuki Isobe , Yoshiaki Ono , Hiroya Umeda , Yechi Zhang

We present optical and near-IR spectroscopy of a z=2.38 hyperluminous IR galaxy, covering the restframe wavelength range from 1000-5000A. It appears to comprise two components separated by less than 1" on the sky (<8kpc); one component (B)…

天体物理学 · 物理学 2009-11-07 Ian Smail , S. C. Chapman , R. J. Ivison , A. W. Blain , T. Takata , T. M. Heckman , J. S. Dunlop , K Sekiguchi

(abridged) I present and discuss the results of HST STIS observations of IRAS 13224-3809 and 1H 0707-495, two narrow-line Seyfert 1 (NLS1) galaxies. We discovered that high-ionization UV emission lines are much broader and strongly…

天体物理学 · 物理学 2007-05-23 Karen M. Leighly

Galactic outflows are known to consist of several gas phases, however, so far the connection between these multiple phases has been investigated little and only in a few objects. In this paper, we analyse MUSE/VLT data of 26 local (U)LIRGs…

The Hawaii Imaging Fabry-Perot Interferometer (HIFI) on the University of Hawaii 2.2m telescope was used to map the Halpha and [O III] 5007 A emission-line profiles across the entire disk of the edge-on Sb galaxy NGC 4388. We confirm a rich…

天体物理学 · 物理学 2009-10-31 S. Veilleux , J. Bland-Hawthorn , G. Cecil , R. B. Tully , S. T. Miller

We present the first results from a survey of the relative spatial distributions of galaxies, intergalactic neutral hydrogen, and intergalactic metals at high redshift. We obtained high-resolution spectra of 8 bright QSOs at 3.1<z<4.1 and…

天体物理学 · 物理学 2009-11-07 K. L. Adelberger , C. C. Steidel , A. E. Shapley , M. Pettini

E+A galaxies are believed to be a short phase connecting major merger ULIRGs with red and dead elliptical galaxies. Their optical spectrum suggests a massive starburst that was quenched abruptly, and their bulge-dominated morphologies with…

星系天体物理 · 物理学 2021-12-08 Dalya Baron , Hagai Netzer , Dieter Lutz , J. Xavier Prochaska , Ric I. Davies

We present HST Faint Object Camera ultraviolet (230 nm and 140 nm) images of three ultraluminous infrared galaxies (ULIG: L_ir > 10^12 L_sun) selected from the IRAS Revised Bright Galaxy Sample. The purpose is to estimate spectral energy…

天体物理学 · 物理学 2009-10-31 Neil Trentham , John Kormendy , David Sanders

A significant fraction of the high-redshift galaxies show strong Lyman emission lines. For redshifts z>5, most known galaxies belong to this class. However, so far not much is known about the physical structure and nature of these objects.…

天体物理学 · 物理学 2009-11-13 C. Tapken , I. Appenzeller , S. Noll , S. Richling , J. Heidt , E. Meinkoehn , D. Mehlert

Recent observations have successfully detected UV or infrared flux from galaxies at the epoch of reionization. However, the origin of their radiative properties has not been fully understood yet. Combining cosmological hydrodynamic…

星系天体物理 · 物理学 2020-06-10 Shohei Arata , Hidenobu Yajima , Kentaro Nagamine , Yuexing Li , Sadegh Khochfar

An exploration of the relationship between bolometric luminosity and outflow velocity, for two classes of X-ray outflows in a large sample of active galactic nuclei has been performed. We find that line radiation pressure could be one…

宇宙学与河外天体物理 · 物理学 2015-05-30 J. M. Ramirez , F. Tombesi
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