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We present a new determination of the solar fluorine abundance together with abundance measurements of fluorine in two Galactic open clusters. We analyzed a sunspot spectrum, observed by L. Wallace and W. Livingston with the FTS at the…

太阳与恒星天体物理 · 物理学 2015-06-19 E. Maiorca , H. Uitenbroek , S. Uttenthaler , S. Randich , M. Busso , L. Magrini

A search for $\gamma$-ray emission from SNRs in the Large Magellanic Cloud (LMC) based on the detection of concentrations in the arrival direction Fermi-LAT images of photons at energies higher than 10 GeV found significant evidence for 9…

高能天体物理现象 · 物理学 2025-05-21 Andrea Tramacere , Riccardo Campana , Enrico Massaro , Fabrizio Bocchino , Marco Miceli , Salvatore Orlando

[Abridged] The stellar Initial Mass Function (IMF) suggests that sub-solar stars form in very large numbers. Most attractive places for catching low-mass star formation in the act are young stellar clusters and associations, still…

太阳与恒星天体物理 · 物理学 2012-07-10 Dimitrios Gouliermis

Apart from the Milky Way, the Large Magellanic Cloud (LMC) is the only other normal star-forming galaxy that was conclusively detected in high energy (> 100 MeV) gamma rays by the Energetic Gamma Ray Telescope (EGRET) on the Compton…

高能天体物理现象 · 物理学 2019-08-13 T. A. Porter , J. Knodlseder

We present a comprehensive study of the excitation of CI fine-structure levels along 57 sight lines in the Large and Small Magellanic Clouds. The sight lines were selected by the detection of H$_2$ in FUSE spectra. Using archival HST/COS…

星系天体物理 · 物理学 2023-09-06 D. N. Kosenko , S. A. Balashev , V. V. Klimenko

We discuss the abundances of interstellar CH, CH+, and CN in the Magellanic Clouds (MC), derived from spectra of 7 SMC and 13 LMC stars obtained (mostly) with the VLT/UVES. CH and/or CH+ are detected toward 3 SMC and 9 LMC stars; CN is…

天体物理学 · 物理学 2009-11-11 D. E. Welty , S. R. Federman , R. Gredel , J. A. Thorburn , D. L. Lambert

The Large Magellanic Cloud (LMC) has an extensive H$_{\alpha}$ emission halo that traces an extended, warm ionized component of its interstellar medium. Using the Wisconsin H$_{\alpha}$ Mapper (WHAM) telescope, we present the first…

星系天体物理 · 物理学 2023-05-18 B. M. Smart , L. M. Haffner , K. A. Barger , D. A. Ciampa , A. S. Hill , D. Krishnarao , G. J. Madsen

The Large Magellanic Cloud (LMC) contains the nearest large extragalactic population of planetary nebulae (PNe). A shallow viewing angle and low interstellar reddening towards the LMC potentially means a larger, more complete flux-limited…

太阳与恒星天体物理 · 物理学 2015-05-27 Brent Miszalski , Ralf Napiwotzki , Maria-Rosa L. Cioni , Jundan Nie

The integrated Spectral Energy Distributions of the Large and Small Magellanic Cloud appear significantly flatter than expected from dust models based on their FIR and radio emission. The origin of this millimetre excess is still…

宇宙学与河外天体物理 · 物理学 2016-08-14 Planck Collaboration , P. A. R. Ade , N. Aghanim , M. Arnaud , M. Ashdown , J. Aumont , C. Baccigalupi , A. Balbi , A. J. Banday , R. B. Barreiro , J. G. Bartlett , E. Battaner , K. Benabed , A. Benoît , J. -P. Bernard , M. Bersanelli , R. Bhatia , J. J. Bock , A. Bonaldi , J. R. Bond , J. Borrill , C. Bot , F. R. Bouchet , F. Boulanger , M. Bucher , C. Burigana , P. Cabella , J. -F. Cardoso , A. Catalano , L. Cayón , A. Challinor , A. Chamballu , L. -Y Chiang , C. Chiang , P. R. Christensen , D. L. Clements , S. Colombi , F. Couchot , A. Coulais , B. P. Crill , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , G. de Gasperis , A. de Rosa , G. de Zotti , J. Delabrouille , J. -M. Delouis , F. -X. Désert , C. Dickinson , K. Dobashi , U. Doerl , S. Donzelli , O. Doré , M. Douspis , X. Dupac , G. Efstathiou , T. A. Enßlin , F. Finelli , O. Forni , M. Frailis , E. Franceschi , Y. Fukui , S. Galeotta , K. Ganga , M. Giard , G. Giardino , Y. Giraud-Héraud , J. González-Nuevo , K. M. Górski , S. Gratton , A. Gregorio , A. Gruppuso , D. Harrison , G. Helou , S. Henrot-Versillé , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , W. Hovest , R. J. Hoyland , K. M. Huffenberger , A. H. Jaffe , W. C. Jones , M. Juvela , A. Kawamura , E. Keihänen , R. Keskitalo , T. S. Kisner , R. Kneissl , L. Knox , H. Kurki-Suonio , G. Lagache , A. Lähteenmäki , J. -M. Lamarre , A. Lasenby , R. J. Laureijs , C. R. Lawrence , S. Leach , R. Leonardi , C. Leroy , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , J. F. Macías-Pérez , C. J. MacTavish , S. Madden , B. Maffei , N. Mandolesi , R. Mann , M. Maris , E. Martínez-González , S. Masi , S. Matarrese , F. Matthai , P. Mazzotta , P. R. Meinhold , A. Melchiorri , L. Mendes , A. Mennella , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , D. Munshi , A. Murphy , P. Naselsky , F. Nati , P. Natoli , C. B. Netterfield , H. U. Nørgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , T. Onishi , S. Osborne , F. Pajot , R. Paladini , D. Paradis , F. Pasian , G. Patanchon , O. Perdereau , L. Perotto , F. Perrotta , F. Piacentini , M. Piat , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , T. Poutanen , G. Prézeau , S. Prunet , J. -L. Puget , W. T. Reach , R. Rebolo , M. Reinecke , C. Renault , S. Ricciardi , T. Riller , I. Ristorcelli , G. Rocha , C. Rosset , M. Rowan-Robinson , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , G. Savini , D. Scott , M. D. Seiffert , G. F. Smoot , J. -L. Starck , F. Stivoli , V. Stolyarov , R. Sudiwala , J. -F. Sygnet , J. A. Tauber , L. Terenzi , L. Toffolatti , M. Tomasi , J. -P. Torre , M. Tristram , J. Tuovinen , G. Umana , L. Valenziano , J. Varis , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , N. Ysard , D. Yvon , A. Zacchei , A. Zonca

The Large Magellanic Cloud (LMC) is the Milky Way's most massive satellite galaxy, which only recently (~2 billion years ago) fell into our Galaxy. Since stellar atmospheres preserve their natal cloud's composition, the LMC's recent infall…

We compare the properties of giant molecular clouds (GMCs) in M51 identified by the Plateau de Bure Interferometer Whirlpool Arcsecond Survey (PAWS) with GMCs identified in wide-field, high resolution surveys of CO emission in M33 and the…

Mid-infrared spectra from the Medium Resolution Spectrometer on the James Webb Space Telescope have revealed the molecular chemistry of carbon stars in the Large Magellanic Cloud with better resolution and sensitivity than previously…

The flux of gamma rays with energies >100MeV is dominated by diffuse emission from CRs illuminating the ISM of our Galaxy through the processes of Bremsstrahlung, pion production and decay, and inverse-Compton scattering. The study of this…

高能天体物理现象 · 物理学 2017-02-22 LAT collaboration

We present the first quantitative results explaining the presence in the Large Magellanic Cloud of some asymptotic giant branch stars that share the properties of lithium rich carbon stars. A self-consistent description of time-dependent…

天体物理学 · 物理学 2009-10-31 P. Ventura , F. D'Antona , I. Mazzitelli

With the aim to corroborate the result of a search for chemically peculiar stars in the Large Magellanic Cloud (LMC) we present measurements obtained from CCD-imaging of two fields, one containing a young open cluster (NGC 1711). While for…

天体物理学 · 物理学 2009-11-13 E. Paunzen , O. I. Pintado , H. M. Maitzen , A. Claret

The Large Magellanic Cloud (LMC) has been observed by both the Midcourse Space Experiment (MSX) in the mid-infrared and the Two Micron All Sky Survey (2MASS) in the near-infrared. We have performed a cross-correlation of the 1806 MSX…

天体物理学 · 物理学 2009-11-06 Michael P. Egan , Schuyler D. Van Dyk , Stephan D. Price

We aim to better understand the emission of molecular tracers of the diffuse and dense gas in giant molecular clouds and the influence that metallicity, optical extinction, density, far-UV field, and star formation rate have on these…

Polarization of interstellar dust emission is a powerful probe of dust properties and magnetic field structure. Yet studies of external galaxies are hampered by foreground dust contribution. The aim of this study is to separate the…

星系天体物理 · 物理学 2022-11-30 D. Alina , J. -Ph. Bernard , K. H. Yuen , A. Lazarian , A. Hughes , M. Iskakova , A. Akimkhan , A. Mukanova

We report on observations of the Large Magellanic Cloud with the Fermi Gamma-Ray Space Telescope. The LMC is clearly detected with the Large Area Telescope (LAT) and for the first time the emission is spatially well resolved in gamma-rays.…

高能天体物理现象 · 物理学 2009-05-18 Jürgen Knödlseder

Recent millimeter/sub-millimeter facilities have revealed the physical properties of filamentary molecular clouds in relation to high-mass star formation. A uniform survey of the nearest, face-on star-forming galaxy, the Large Magellanic…