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相关论文: The UWISH2 extended H2 source catalogue

200 篇论文

(Abridged) We have used the Far Ultraviolet Spectroscopic Explorer (FUSE) to search for H_2 absorption in five starburst galaxies: NGC 1705, NGC 3310, NGC 4214, M83 (NGC 5236), and NGC 5253. We tentatively detect weak absorption by H_2 in…

天体物理学 · 物理学 2009-11-10 C. G. Hoopes , K. R. Sembach , T. M. Heckman , G. R. Meurer , A. Aloisi , D. Calzetti , C. Leitherer , C. L. Martin

We present a catalogue of point-source Halpha emission line objects selected from the INT/WFC Photometric H$\alpha$ Survey of the Northern Galactic Plane (IPHAS). The catalogue covers the magnitude range 13 < r' < 19.5 and includes northern…

天体物理学 · 物理学 2009-11-13 A. R. Witham , C. Knigge , J. E. Drew , R. Greimel , D. Steeghs , B. T. Gaensicke , P. J. Groot , A. Mampaso

Circumgalactic dust grains trace the circulation of mass and metals between star-forming regions and gaseous galactic halos, giving insight into feedback and tidal stripping processes. We perform a search for ultraviolet (UV) reflection…

星系天体物理 · 物理学 2024-08-23 Erin Boettcher , Edmund Hodges-Kluck

We compare vertical profiles of the extraplanar H$\alpha$ emission to those of the UV emission for 38 nearby edge-on late-type galaxies. It is found that detection of the "diffuse" extraplanar dust (eDust), traced by the vertically…

星系天体物理 · 物理学 2018-08-01 Young-Soo Jo , Kwang-il Seon , Jong-Ho Shinn , Yujin Yang , Dukhang Lee , Kyoung-Wook Min

We report on observations of several optical emission lines toward a variety of newly revealed faint, large-scale H-alpha-emitting structures in the warm ionized medium (WIM) of the Galaxy. The lines include [N II] 6583, [N II] 5755, [S II]…

天体物理学 · 物理学 2007-05-23 G. J. Madsen

This paper describes the second and third data releases (DR2 and DR3, respectively) from the ongoing United Kingdom Infrared Telescope (UKIRT) Hemisphere Survey (UHS). DR2 is primarily comprised of the $K$-band portion of the UHS survey,…

Observations of neutral hydrogen can provide a wealth of information about the kinematics of galaxies. To learn more about the large scale structures and accretion processes, the extended environment of galaxies have to be observed.…

宇宙学与河外天体物理 · 物理学 2015-05-20 Attila Popping , Robert Braun

We report the detection of diffuse Ly$\alpha$ emission, or Ly$\alpha$ halos (LAHs), around star-forming galaxies at $z\approx3.78$ and $2.66$ in the NOAO Deep Wide-Field Survey Bo\"otes field. Our samples consist of a total of $\sim$1400…

We present the results of N2H+(1-0) observations of 35 dense molecular cloud cores from the northern and southern hemispheres where massive stars and star clusters are formed. Line emission has been detected in 33 sources, for 28 sources…

天体物理学 · 物理学 2009-11-07 L. Pirogov , I. Zinchenko , P. Caselli , L. E. B. Johansson , P. C. Myers

We observed the Herbig Ae/Be stars UX Ori, HD 34282, HD 100453, HD 101412, HD 104237 and HD 142666, and the T Tauri star HD 319139 and searched for H2 0-0 S(2) emission at 12.278 micron and H2 0-0 S(1) emission at 17.035 micron with VISIR,…

In this second paper on the investigation of extraplanar diffuse ionized gas in nearby edge-on spiral galaxies we present the actual results of the individual galaxies of our H-alpha imaging survey. A grand total of 74 galaxies have been…

天体物理学 · 物理学 2009-11-07 Joern Rossa , Ralf-Juergen Dettmar

We have obtained deep narrowband images in the near-infrared H2 (2.122 microns) emission line for a sample of 15 faint Isaac Newton Telescope Photometric Halpha Survey (IPHAS) bipolar planetary nebulae (PNe) to search for molecular…

太阳与恒星天体物理 · 物理学 2017-07-04 Gerardo Ramos-Larios , Martin A. Guerrero , Laurence Sabin , Edgar Santamaria

The Cygnus region of the Galactic plane contains many known supernova remnants, pulsars, X-ray and GeV gamma-ray emitters which make it a prime candidate for a Very High Energy (VHE) gamma-ray survey in the Northern Hemisphere. The VERITAS…

高能天体物理现象 · 物理学 2019-08-13 Amanda Weinstein

We determine the source of the diffuse [CII] emission by studying its spatial (radial and vertical) distributions. We used the HIFI [CII] Galactic survey (GOT C+), along with HI, 12CO, and 13CO data toward 354 lines of sight, and several…

星系天体物理 · 物理学 2014-12-03 T. Velusamy , W. D. Langer

Detection and photometry of sources in the U_n, G, R, and K_s bands in a 9x9 arcmin^2 region of the sky, centered on the Hubble Deep Field, are described. The data permit construction of complete photometric catalogs to roughly U_n=25,…

We present a Hubble Space Telescope (HST) survey of extended [OIII] emission for a sample of 60 Seyfert galaxies (22 Seyfert 1's and 38 Seyfert 2's), selected based on their far infrared properties. The observations for 42 of these galaxies…

天体物理学 · 物理学 2009-11-10 H. R. Schmitt , J. L. Donley , R. R. J. Antonucci , J. B. Hutchings , A. L. Kinney

Despite much observational and theoretical effort little is presently known about the nature of the luminous non-nuclear X-ray sources which appear to largely surpass the Eddington limit of a few solar masses. Here we present first results…

天体物理学 · 物理学 2007-05-23 Manfred W. Pakull , Laurent Mirioni

Jets and outflows are associated with young stellar objects across the stellar mass spectrum, from brown dwarf protostars to massive, Ae/Be stars. Frequently, the jet morphology is spatially discontinuous because of the temporal variability…

太阳与恒星天体物理 · 物理学 2021-04-14 Rosario López , Angels Riera , Robert Estalella , Gabriel Gómez

We present neutral hydrogen (HI) observations using the Robert C. Byrd Green Bank Telescope (GBT) of 70 optically-detected UDG candidates in the Coma region from the Systematically Measuring Ultra-Diffuse Galaxies survey (SMUDGes). We…

We present VLT/VIMOS-IFU emission-line spectroscopy of a volume limited sample of 18 southern ULIRGs selected with z<0.09 and dec<10. By covering a wide range of ULIRG types, this dataset provides an important set of templates for…

宇宙学与河外天体物理 · 物理学 2015-06-05 Mark Westmoquette , Dave Clements , George Bendo , Sophia Khan