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Related papers: Measuring Galactic Extinction: A Test

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The ``Synthetic Field Method'' (SFM) was introduced by Gonzalez et al. (1998) to calibrate numbers of distant galaxies as a probe of extinction in a foreground spiral disk. Gonzalez et al. (2003) studied the effect of the foreground disk on…

Astrophysics · Physics 2009-11-11 B. W. Holwerda , R. A. Gonzalez , Ronald J. Allen , P. C. van der Kruit

We extend the real-space mapping method developed in Shi et at. (2016) so that it can be applied to flux-limited galaxy samples. We use an ensemble of mock catalogs to demonstrate the reliability of this extension, showing that it allows…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-25 Feng Shi , Xiaohu Yang , Huiyuan Wang , Youcai Zhang , H. J. Mo , Frank C. van den Bosch , Wentao Luo , Dylan Tweed , Shijie Li , Chengze Liu , Yi Lu , Lei Yang

Extragalactic surveys provide significant statistical data for the study of crucial galaxy parameters used to constrain galaxy evolution, e.g. stellar mass (M$_*$) and star formation rate (SFR), under different environmental conditions.…

Astrophysics of Galaxies · Physics 2024-06-12 Paula Calderón-Castillo , Neil M. Nagar , Sukyoung Yi , Yu-Yen Chang , Roger Leiton , Thomas M. Hughes

The presence of differential reddening in the direction of Galactic globular clusters (GCs) has proven to be a serious limitation in the traditional colour-magnitude diagram (CMD) analysis. Here, we estimate local reddening variations in…

Astrophysics of Galaxies · Physics 2023-04-19 M. V. Legnardi , A. P. Milone , G. Cordoni , E. P. Lagioia , E. Dondoglio , A. F. Marino , S. Jang , A. Mohandasan , T. Ziliotto

The large field and wavelength range of MUSE is well suited to mapping Galactic planetary nebulae (PN). The bright PN NGC 7009 was observed with MUSE on the VLT during the Science Verification of the instrument in seeing of 0.6". Emission…

Astrophysics of Galaxies · Physics 2016-04-13 J. R. Walsh , A. Monreal-Ibero , M. J. Barlow , T. Ueta , R. Wesson , A. A. Zijlstra

Using the correlation between the equivalent width of the diffuse interstellar band (DIB) at 8620 A and the interstellar reddening reported by Munari (2000) GAIA could directly trace the interstellar extinction throughout the Galaxy. We…

Astrophysics · Physics 2007-05-23 S. Vidrih , T. Zwitter

AIMS. We calculate the stellar density using star counts obtained from Gaia DR2 up to a Galactocentric distance R=20 kpc with a deconvolution technique for the parallax errors. Then we analyse the density in order to study the structure of…

Astrophysics of Galaxies · Physics 2020-05-27 Z. Chrobakova , R. Nagy , M. Lopez-Corredoira

We examine the three-dimensional structure and dust extinction properties in a ~ 200 pc $\times$ 100 pc region in the southwest bar of the Small Magellanic Cloud (SMC). We model a deep Hubble Space Telescope optical color-magnitude diagram…

3D maps of interstellar dust are crucial for understanding the structure of the Milky Way interstellar medium to apply correction to astrophysical observations affected by dust. We aim at providing new extinction estimates in the Gaia BP/RP…

Astrophysics of Galaxies · Physics 2025-11-18 M. Barbillon , A. Recio-Blanco , P. de Laverny , P. A. Palicio

Both the Galactic 21-cm line flux from neutral hydrogen (HI) in interstellar medium and the far-infrared (FIR) emission from Galactic dust grains have been used to estimate the strength of Galactic reddening of distant sources. In this work…

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

We present a scheme for using stellar catalogues to map the three-dimensional distributions of extinction and dust within our Galaxy. Extinction is modelled as a Gaussian random field, whose covariance function is set by a simple physical…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 S. E. Sale , J. Magorrian

We present a method to estimate and map the two-dimensional distribution of dust extinction in the late-type spiral galaxy NGC 959 from the theoretical and observed flux ratio of optical V and mid-IR (MIR) 3.6 micron images. Our method is…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 K. Tamura , R. A. Jansen , R. A. Windhorst

We study the distribution of interstellar matter near the galactic plane on the basis of open star clusters and reviewed the correlation of extinction with different physical parameters of the clusters to understand the galactic structure.…

Astrophysics · Physics 2009-11-13 Yogesh C. Joshi

We propose a novel method to constrain the spatial extent of dust around galaxies through the measurement of dust temperature. Our method combines the dust emission of galaxies from far-infrared (FIR) image stacking analysis and the quasar…

Astrophysics of Galaxies · Physics 2015-06-03 Toshiya Kashiwagi , Yasushi Suto

Large spectroscopic surveys have enabled in the recent years the computation of three-dimensional interstellar extinction maps thanks to accurate stellar atmospheric parameters and line-of-sight distances. Such maps are complementary to 3D…

We use deep $8\:\mu m$ Spitzer-IRAC imaging of a massive Infrared Dark Cloud (IRDC) G028.37+00.07 to construct a Mid-Infrared (MIR) extinction map that probes mass surface densities up to $\Sigma\:\sim 1\:\rm{g~cm^{-2}}$…

Solar and Stellar Astrophysics · Physics 2015-06-18 Michael J. Butler , Jonathan C. Tan , Jouni Kainulainen

We present predicted full-sky maps of submillimeter and microwave emission from the diffuse interstellar dust in the Galaxy. These maps are extrapolated from the 100 micron emission and 100/240 micron flux ratio maps that Schlegel,…

Astrophysics · Physics 2009-10-31 Douglas P. Finkbeiner , Marc Davis , David J. Schlegel

Line-of-sight extinction estimates to well-studied young T Tauri and Herbig Ae/Be stars are based on many different measurements and analysis methods. This has resulted in wide scatter among the published $A_V$ values for the same star. In…

Solar and Stellar Astrophysics · Physics 2022-12-07 Adolfo S. Carvalho , Lynne A. Hillenbrand

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 deep, high-angular resolution 3D dust map of the southern Galactic plane over $239^\circ < \ell < 6^\circ$ and $|b| < 10^\circ$ built on photometry from the DECaPS2 survey, in combination with photometry from VVV, 2MASS, and…