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Related papers: Mapping the Diffuse Ultraviolet Sky with GALEX

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Inverse Compton scattering by relativistic electrons produces a major component of the diffuse emission from the Galaxy. The photon fields involved are the cosmic microwave background and the interstellar radiation field from stars and…

Astrophysics · Physics 2009-09-29 Elena Orlando , Andrew Strong

Here we review our current knowledge on diffuse gamma-rays from galactic halos. Estimates of the relative contribution of the various emission processes at low and high latitudes are compared to the data over 6 decades in energy. The…

Astrophysics · Physics 2007-05-23 M. Pohl

The diffuse far-ultraviolet (FUV) background has received considerable attention from astronomers since the 1970's. The initial impetus came from the hope of detecting UV radiation from the hot intergalactic medium. The central importance…

Astrophysics of Galaxies · Physics 2022-08-31 S. R. Kulkarni

We use the infrared excess (IRX) FIR/UV luminosity ratio to study the relation between the effective UV attenuation (A_IRX) and the UV spectral slope (beta) in a sample of 450 1<z<2.5 galaxies. The FIR data is from very deep Herschel…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 R. Nordon , D. Lutz , A. Saintonge , S. Berta , S. Wuyts , N. M. Forster Schreiber , R. Genzel , B. Magnelli , A. Poglitsch , P. Popesso , D. Rosario , E. Sturm , L. J. Tacconi

The diffuse ultraviolet background radiation has been mapped over most of the sky with 2\arcmin \ resolution using data from the \textit{GALEX} survey. We utilize this map to study the correlation between the UV background and clusters of…

Astrophysics of Galaxies · Physics 2020-05-27 Brian Welch , Stephan McCandliss , Dan Coe

We study the properties of the diffuse gamma-ray background around the Galactic plane at energies 20 -- 200 GeV. We find that the spectrum of this emission possesses significant spacial variations with respect to the average smooth…

High Energy Astrophysical Phenomena · Physics 2012-10-29 Alexey Boyarsky , Denys Malyshev , Oleg Ruchayskiy

The gamma-ray sky >100 MeV is dominated by the diffuse emissions from interactions of cosmic rays with the interstellar gas and radiation fields of the Milky Way. Observations of these diffuse emissions provide a tool to study cosmic-ray…

High Energy Astrophysical Phenomena · Physics 2015-06-04 LAT Collaboration

We present the far-ultraviolet (FUV) fluorescent molecular hydrogen (H_2) emission map of the Milky Way Galaxy obtained with FIMS/SPEAR covering ~76% of the sky. The extinction-corrected intensity of the fluorescent H_2 emission has a…

Astrophysics of Galaxies · Physics 2017-08-23 Young-Soo Jo , Kwang-Il Seon , Kyoung-Wook Min , Jerry Edelstein , Wonyong Han

Number Counts of galaxies in two GALEX bands (FUV: 1530A and NUV: 2310A, both in AB magnitudes) are reported. They provide for the first time in the literature homogeneously calibrated number counts of UV galaxies covering continuously a…

We discuss the panchromatic properties of 99,088 galaxies selected from the SDSS Data Release 1 spectroscopic sample (a flux-limited sample for 1360 deg^2). These galaxies are positionally matched to sources detected by ROSAT, GALEX, 2MASS,…

Over the last 3 yrs, the Galactic center (GC) region has been monitored with the Chandra X-Ray Observatory. With 11 Chandra observations through 2002 June, the total effective exposure reaches ~590 ks, providing significant photon…

We present samples of starburst galaxies that represent the extremes discovered with infrared and ultraviolet observations, including 25 Markarian galaxies, 23 ultraviolet luminous galaxies discovered with GALEX, and the 50 starburst…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Lusine A. Sargsyan , Daniel W. Weedman , James R. Houck

We first obtained the spectrum of the diffuse Galactic light (DGL) at general interstellar space in 1.8-5.3 um wavelength region with the low-resolution prism spectroscopy mode of the AKARI Infra-Red Camera (IRC) NIR channel. The 3.3 um PAH…

Astrophysics of Galaxies · Physics 2015-06-16 Kohji Tsumura , Toshio Matsumoto , Shuji Matsuura , Itsuki Sakon , Masahiro Tanaka , Takehiko Wada

We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of $z=0.0-0.1$ from GALEX data. We determined the luminosity function in the GALEX FUV and NUV bands from a sample of…

In order to study the properties and effects of high Galactic latitude dust we present an analysis of 373,303 galaxies selected from the Galaxy Evolution Explorer (GALEX) All-Sky Survey and Wide-Field Infrared Explorer (WISE) All-Sky Data…

Astrophysics of Galaxies · Physics 2015-06-15 J. E. G. Peek , David Schiminovich

We present a study of the morphological nature of redshift z~0.7 star-forming galaxies using a combination of HST/ACS, GALEX and ground-based images of the COSMOS field. Our sample consists of 8,146 galaxies, 5,777 of which are detected in…

The AKARI All-Sky Survey provided the first bright point source catalog detected at 90um. Starting from this catalog, we selected galaxies by matching AKARI sources with those in the IRAS PSCz. Next, we have measured total GALEX FUV and NUV…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 T. T. Takeuchi , V. Buat , S. Heinis , E. Giovannoli , F. -T. Yuan , J. Iglesias-Paramo , K. L. Murata , D. Burgarella

The {\gamma}-ray sky can be decomposed into individually detected sources, diffuse emission attributed to the interactions of Galactic cosmic rays with gas and radiation fields, and a residual all-sky emission component commonly called the…

High Energy Astrophysical Phenomena · Physics 2015-06-02 The Fermi LAT collaboration , M. Ackermann , M. Ajello , A. Albert , W. B. Atwood , L. Baldini , J. Ballet , G. Barbiellini , D. Bastieri , K. Bechtol , R. Bellazzini , E. Bissaldi , R. D. Blandford , E. D. Bloom , E. Bottacini , T. J. Brandt , J. Bregeon , P. Bruel , R. Buehler , S. Buson , G. A. Caliandro , R. A. Cameron , M. Caragiulo , P. A. Caraveo , E. Cavazzuti , C. Cecchi , E. Charles , A. Chekhtman , J. Chiang , G. Chiaro , S. Ciprini , R. Claus , J. Cohen-Tanugi , J. Conrad , A. Cuoco , S. Cutini , F. D'Ammando , A. de Angelis , F. de Palma , C. D. Dermer , S. W. Digel , E. do Couto e Silva , P. S. Drell , C. Favuzzi , E. C. Ferrara , W. B. Focke , A. Franckowiak , Y. Fukazawa , S. Funk , P. Fusco , F. Gargano , D. Gasparrini , S. Germani , N. Giglietto , P. Giommi , F. Giordano , M. Giroletti , G. Godfrey , G. A. Gomez-Vargas , I. A. Grenier , S. Guiriec , M. Gustafsson , D. Hadasch , K. Hayashi , E. Hays , J. W. Hewitt , P. Ippoliti , T. Jogler , G. Jóhannesson , A. S. Johnson , W. N. Johnson , T. Kamae , J. Kataoka , J. Knödlseder , M. Kuss , S. Larsson , L. Latronico , J. Li , L. Li , F. Longo , F. Loparco , B. Lott , M. N. Lovellette , P. Lubrano , G. M. Madejski , A. Manfreda , F. Massaro , M. Mayer , M. N. Mazziotta , J. E. McEnery , P. F. Michelson , W. Mitthumsiri , T. Mizuno , A. A. Moiseev , M. E. Monzani , A. Morselli , I. V. Moskalenko , S. Murgia , R. Nemmen , E. Nuss , T. Ohsugi , N. Omodei , E. Orlando , J. F. Ormes , D. Paneque , J. H. Panetta , J. S. Perkins , M. Pesce-Rollins , F. Piron , G. Pivato , T. A. Porter , S. Rainò , R. Rando , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , T. Reposeur , S. Ritz , R. W. Romani , M. Sánchez-Conde , M. Schaal , A. Schulz , C. Sgrò , E. J. Siskind , G. Spandre , P. Spinelli , A. W. Strong , D. J. Suson , H. Takahashi , J. G. Thayer , J. B. Thayer , L. Tibaldo , M. Tinivella , D. F. Torres , G. Tosti , E. Troja , Y. Uchiyama , G. Vianello , M. Werner , B. L. Winer , K. S. Wood , M. Wood , G. Zaharijas , S. Zimmer

We present an atlas of 129 spectral energy distributions for nearby galaxies, with wavelength coverage spanning from the UV to the mid-infrared. Our atlas spans a broad range of galaxy types, including ellipticals, spirals, merging…

We present medium resolution (R~20,000) HST/COS ultraviolet spectra covering 1155-1760 A of the Seyfert 1 Mrk 509 obtained simultaneously with a Chandra/LETGS spectrum as part of a multiwavelength campaign in 2009 that included observations…