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相关论文: Extreme star formation events in quasar hosts over…

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We report new Herschel observations of 25 z=4.8 extremely luminous optically selected active galactic nuclei (AGNs). Five of the sources have extremely large star forming (SF) luminosities, L_SF, corresponding to SF rates (SFRs) of…

宇宙学与河外天体物理 · 物理学 2015-06-04 Rivay Mor , Hagai Netzer , Benny Trakhtenbrot , Ohad Shemmer , Paulina Lira

We have used far-infrared data from IRAS, ISO, SWIRE, SCUBA and MAMBO to constrain statistically the mean far-infrared luminosities of quasars. Our quasar compilation at redshifts 0<z<6.5 and I-band luminosities -20<I(AB)<-32 is the first…

星系天体物理 · 物理学 2015-05-13 Stephen Serjeant , Evanthia Hatziminaoglou

Both theory and observations suggest that outflows driven by an active central supermassive black hole (SMBH) has a feedback effect on shaping the global properties of the host galaxy. However, whether feedback from the outflow is…

星系天体物理 · 物理学 2022-01-14 Zhifu Chen , Zhicheng He , Luis C. Ho , Qiusheng Gu , Tinggui Wang , Mingyang Zhuang , Guilin Liu , Zhiwen Wang

Recent simulation studies suggest that the supermassive black hole (SMBH) growth in the early universe may precede the prolonged intense star formation within its host galaxy, instead of quasars appearing after the obscured dusty star…

星系天体物理 · 物理学 2019-07-24 Yongjung Kim , Myungshin Im

The relation between star formation rates and stellar masses, i.e. the galaxy main sequence, is a useful diagnostic of galaxy evolution. We present the distributions relative to the main sequence of 55 optically-selected PG and 12…

星系天体物理 · 物理学 2016-03-23 Zhoujian Zhang , Yong Shi , George H. Rieke , Xiaoyang Xia , Yikang Wang , Bingqing Sun , Linfeng Wan

Black hole accretion is widely thought to influence star formation in galaxies, but the empirical evidence for a physical correlation between star formation rate (SFR) and the properties of active galactic nuclei (AGNs) remains highly…

星系天体物理 · 物理学 2023-08-21 Ming-Yang Zhuang , Luis C. Ho

We investigate the mean star formation rates (SFRs) in the host galaxies of ~3000 optically selected QSOs from the SDSS survey within the Herschel-ATLAS fields, and a radio-luminous sub-sample, covering the redshift range of z = 0.2-2.5.…

In this work, we present a study of 207 quasars selected from the Sloan Digital Sky Survey quasar catalogs and the Herschel Stripe 82 survey. Quasars within this sample are high luminosity quasars with a mean bolometric luminosity of…

高能天体物理现象 · 物理学 2016-06-22 Xiaoyi Dong , Xuebing Wu

We present ALMA Band~7 observations at $850\mu$m of 20 luminous ($\log\, L_{\rm bol}>46.9$ [erg s$^{-1}$]) unobscured quasars at $z\sim2$. We detect continuum emission for 19/20 quasars. After subtracting an AGN contribution, we measure the…

星系天体物理 · 物理学 2019-07-10 A. Schulze , J. D. Silverman , E. Daddi , W. Rujopakarn , D. Liu , M. Schramm , V. Mainieri , M. Imanishi , M. Hirschmann , K. Jahnke

Low-ionisation broad absorption line quasars (LoBALs) mark an important, yet poorly understood, population of quasars showing direct evidence for energetic mass outflows. We outline a sample of 12 luminous (L$_{\rm{bol}}$…

星系天体物理 · 物理学 2020-07-22 Clare F. Wethers , Jari Kotilainen , Malte Schramm , Andreas Schulze

Using the public data from the Herschel wide field surveys, we study the far-infrared properties of optical-selected quasars from the Sloan Digital Sky Survey. Within the common area of $\sim 172~deg^2$, we have identified the far-infrared…

星系天体物理 · 物理学 2015-09-30 Zhiyuan Ma , Haojing Yan

We present a measurement of the average supermassive black hole accretion rate (BHAR) as a function of star formation rate (SFR) for galaxies in the redshift range 0.25<z<0.8. We study a sample of 1,767 far-IR selected star-forming galaxies…

Measuring star formation in quasar host galaxies is crucial for understanding the coevolution of supermassive black holes (SMBHs) and galaxies, yet remains observationally challenging due to severe contamination from active galactic nucleus…

星系天体物理 · 物理学 2026-04-15 Liang Wu , Jun-Xian Wang , Luis C. Ho , Junfeng Wang , Zhicheng He

We review recent evidence for a clear association between accretion onto supermassive black holes and star formation up to z~1 in the zCOSMOS survey. Star formation rates (SFRs) are determined from the [OII] emission-line strength and a…

宇宙学与河外天体物理 · 物理学 2015-05-14 John D. Silverman , zCOSMOS Collaboration , XMMCOSMOS Collaboration

The deep, near-infrared narrow-band survey HiZELS has yielded robust samples of H-alpha emitting star-forming galaxies within narrow redshift slices at z = 0.8, 1.47 and 2.23. In this paper, we distinguish the stellar mass and…

星系天体物理 · 物理学 2018-02-28 R. K. Cochrane , P. N. Best , D. Sobral , I. Smail , J. P. Stott , D. A. Wake

In this Letter, we present a model connecting the cosmic star formation rate (CSFR) to the growth of supermassive black holes. Considering that the evolution of the massive black hole is dominated by accretion (Soltan's argument) and that…

宇宙学与河外天体物理 · 物理学 2015-05-30 Eduardo S. Pereira , Oswaldo D. Miranda

We use near infrared integral field unit (IFU) spectroscopy to search for H$\alpha$ emission associated with star formation in a sample of 28 heavily reddened ($E(B-V)\simeq$0.5-1.9), hyperluminous ($log(L_{bol}/ergs^{-1})\simeq$47-48)…

星系天体物理 · 物理学 2016-04-06 Susannah Alaghband-Zadeh , Manda Banerji , Paul C. Hewett , Richard G. McMahon

We have observed 104 gravitationally-lensed quasars at $z\sim1-4$ with Herschel/SPIRE, the largest such sample ever studied. By targeting gravitational lenses, we probe intrinsic far-infrared (FIR) luminosities and star formation rates…

We present rest-frame ultraviolet (UV) images of six luminous quasars at $z \sim 4.8$ obtained with the Hubble Space Telescope (HST). These quasars exhibit a wide range of star formation rates (SFRs) and lie in a wide range of environments.…

Herschel has opened new windows into studying the evolution of rapidly star-forming galaxies out to high redshifts. Today's massive starbursts are characterized by star formation rates (SFRs) of 100+ Mo/yr and display a chaotic morphology…

宇宙学与河外天体物理 · 物理学 2015-05-27 Romeel Davé
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