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相关论文: LWS spectroscopy of the luminous Blue Compact Gala…

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(abridged) Our goal is to describe the multi-phase ISM of the IR bright low-metallicity galaxy Haro 11, dissecting the photoionised and photodissociated gas components. We present observations of the mid- and far-IR fine-structure cooling…

Far-infrared spectroscopy obtained with the ISO LWS has shown that there is strong variation (more than 2 orders of magnitude) in the [C II]/FIR ratios in galaxies extending from blue compact dwarfs, to normal and starburst galaxies, down…

天体物理学 · 物理学 2007-05-23 Jacqueline Fischer

We present Spitzer observations of the blue compact dwarf galaxy (BCD) Haro 3, with an oxygen abundance of 12+log(O/H)=8.32. These data are part of a larger study of star formation and dust in low-metallicity environments.The IRS spectrum…

天体物理学 · 物理学 2008-11-26 L. K. Hunt , T. X. Thuan , M. Sauvage , Y. I. Izotov

(abridged) Strongly star-forming galaxies of subsolar metallicities are typical of the high-redshift universe. Here we therefore provide accurate data for two low-z analogs, the well-known low-metallicity emission-line galaxies Haro 11 and…

宇宙学与河外天体物理 · 物理学 2018-05-29 N. G. Guseva , Y. I. Izotov , K. J. Fricke , C. Henkel

We report measurements of the [CII] fine structure line at 157.714 micron in 30 normal star-forming galaxies with the Long Wavelength Spectrometer (LWS) on the Infrared Space Observatory (ISO). The ratio of the line to total far-infrared…

We present low- and high-resolution Spitzer/IRS spectra, supplemented by IRAC and MIPS measurements, of 22 blue compact dwarf (BCD) galaxies. The BCD sample spans a wide range in oxygen abundance [12+Log(O/H) between 7.4 and 8.3], and…

宇宙学与河外天体物理 · 物理学 2015-05-18 Leslie K. Hunt , Trinh X. Thuan , Yuri I. Izotov , Marc Sauvage

Far-infrared spectra (43-197um) of 34 nearby galaxies obtained by the Long Wavelength Spectrometer (LWS) aboard the Infrared Space Observatory (ISO) were analyzed to investigate the general properties of interstellar matter in galaxies. The…

天体物理学 · 物理学 2009-11-06 T. Negishi , T. Onaka , K. -W. Chan , T. L. Roellig

The most important cooling lines of the neutral interstellar medium (ISM) lie in the far-infrared (FIR). We present measurements by the Infrared Space Observatory Long Wavelength Spectrometer of seven lines from neutral and ionized ISM of…

天体物理学 · 物理学 2008-12-18 S. Malhotra , M. J. Kaufman , D. Hollenbach , G. Helou , R. H. Rubin , J. Brauher , D. Dale , N. Y. Lu , S. Lord , G. Stacey , A. Contursi

We explore the behaviour of [CII]-157.74um forbidden fine-structure line observed in a sample of 28 galaxies selected from ~50deg^2 of the H-ATLAS survey. The sample is restricted to galaxies with flux densities higher than S_160um>150mJy…

We present the first robust detection of HI 21 cm emission in the blue compact galaxy Haro 11 using the 100m Robert C. Byrd Green Bank Telescope (GBT). Haro 11 is a luminous blue compact galaxy with emission in both Lyman Alpha and the…

星系天体物理 · 物理学 2016-12-07 Stephen A. Pardy , John M. Cannon , Göran Östlin , Matthew Hayes , Nils Bergvall

We report basic far-infrared (FIR) properties of eight blue compact dwarf galaxies (BCDs) observed by AKARI. We measure the fluxes at the four FIS bands (wavelengths of 65 um, 90 um, 140 um, and 160 um). Based on these fluxes, we estimate…

天体物理学 · 物理学 2017-01-18 Hiroyuki Hirashita , Hidehiro Kaneda , Takashi Onaka , Toyoaki Suzuki

The far-infrared (FIR) lines are key tracers of the physical conditions of the interstellar medium (ISM) and are becoming workhorse diagnostics for galaxies throughout the universe. Our goal is to explain the differences and trends observed…

New infrared and millimeter observations from Keck, Palomar, ISO, and OVRO and archival data from the NRAO VLA and IRAS are presented for the low metallicity blue compact dwarf galaxy SBS 0335-052. Mid-infrared imaging shows this young…

天体物理学 · 物理学 2009-11-06 Daniel A. Dale , George Helou , Gerry Neugebauer , B. T. Soifer , David T. Frayer , James J. Condon

We present the first full FIR spectrum of Centaurus A (NGC 5128) from 43 - 196.7 um. The data was obtained with the ISO Long Wavelength Spectrometer (LWS). We conclude that the FIR emission in a 70 arcsec beam centred on the nucleus is…

New high-resolution maps with the IRAM Interferometer of the redshifted [C II] 158 micron line and the 0.98mm dust continuum of HDF850.1 at z = 5.185 show the source to have a blueshifted northern component and a redshifted southern…

星系天体物理 · 物理学 2015-06-18 R. Neri , D. Downes , P. Cox , F. Walter

We present near-infrared (NIR) spectroscopic observations in the wavelength range 0.90-2.40mum of eighteen low-metallicity blue compact dwarf (BCD) galaxies and six HII regions in spiral and interacting galaxies. Hydrogen and helium…

星系天体物理 · 物理学 2023-05-03 Y. I. Izotov , T. X. Thuan

We use high quality VLT/MUSE data to study the kinematics and the ionized gas properties of Haro 11, a well known starburst merger system and the closest confirmed Lyman continuum leaking galaxy. We present results from integrated line…

星系天体物理 · 物理学 2021-07-14 V. Menacho , G. Östlin A. Bik , A. Adamo , N. Bergvall , L. Della Bruna , M. Hayes , J. Melinder , E. T. Rivera-Thorsen

We have re-analyzed FUSE data and obtained new Chandra observations of Haro 11, a local (D_L=88 Mpc) UV luminous galaxy. Haro 11 has a similar far-UV luminosity (10^10.3 L_\odot), UV surface brightness (10^9.4 L_\odot kpc^-2), SFR, and…

天体物理学 · 物理学 2009-11-13 J. P. Grimes , T. Heckman , D. Strickland , W. V. Dixon , K. Sembach , R. Overzier , C. Hoopes , A. Aloisi , A. Ptak

The dominating reionization source in the young universe has yet to be identified. Possible candidates include metal poor starburst dwarf galaxies of which the Blue Compact Galaxy Haro 11 may represent a local counterpart. Using the Far…

天体物理学 · 物理学 2007-05-23 Nils Bergvall , Erik Zackrisson , B-G Andersson , Daniel Arnberg , Josefa Masegosa , Goran Ostlin

We present sensitive molecular line observations of the metal-poor blue compact dwarf I Zw 18 obtained with the IRAM Plateau de Bure interferometer. These data constrain the CO J=1-0 luminosity within our 300 pc (FWHM) beam to be L_CO < 1…

天体物理学 · 物理学 2009-06-23 Adam Leroy , John Cannon , Fabian Walter , Alberto Bolatto , Axel Weiss
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