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Related papers: A 3D Dust Map Based on Gaia, Pan-STARRS 1 and 2MAS…

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We present a new 3D map of interstellar dust reddening, covering three quarters of the sky (declinations greater than -30 degrees) out to a distance of several kiloparsecs. The map is based on high-quality stellar photometry of 800 million…

We present a three-dimensional map of interstellar dust reddening, covering three-quarters of the sky out to a distance of several kiloparsecs, based on Pan-STARRS 1 and 2MASS photometry. The map reveals a wealth of detailed structure, from…

We present a method to infer reddenings and distances to stars, based only on their broad-band photometry, and show how this method can be used to produce a three-dimensional dust map of the Galaxy. Our method samples from the full…

Three-dimensional (3D) maps of Galactic interstellar dust are a tool for a wide range of uses. We aim to construct 3D maps of dust extinction in the Local Arm and surrounding regions. Gaia EDR3 photometric data were combined with 2MASS…

Astrophysics of Galaxies · Physics 2022-05-25 R. Lallement , J. -L. Vergely , C. Babusiaux , N. L. J. Cox

We present a map of the dust reddening to 4.5 kpc derived from Pan-STARRS1 stellar photometry. The map covers almost the entire sky north of declination -30 degrees at a resolution of 7' to 14', and is based on the estimated distances and…

We present new three-dimensional (3D) interstellar dust reddening maps of the Galactic plane in three colours, E(G-Ks), E(Bp-Rp) and E(H-Ks). The maps have a spatial angular resolution of 6 arcmin and covers over 7000 deg$^2$ of the…

Astrophysics of Galaxies · Physics 2018-12-19 B. -Q. Chen , Y. Huang , H. -B. Yuan , C. Wang , D. -W. Fan , M. -S. Xiang , H. -W. Zhang , Z. -J. Tian , X. -W. Liu

We present a comprehensive 3D dust reddening map covering the entire Milky Way, constructed by combining reddening estimates based on LAMOST low-resolution spectra (E(B$-$V)$_{\rm LAMOST}$) with those derived from $Gaia$ XP spectra…

Astrophysics of Galaxies · Physics 2025-09-10 Tao Wang , Haibo Yuan , Bingqiu Chen , Maosheng Xiang , Ruoyi Zhang , Bowen Huang , Hongrui Gu , Shuaicong Wang , Jiawei Li

Three-dimensional maps of the Galactic interstellar medium are general astrophysical tools. Reddening maps may be based on the inversion of color excess measurements for individual target stars or on statistical methods using stellar…

Astrophysics of Galaxies · Physics 2017-10-18 Letizia Capitanio , Rosine Lallement , Jean Luc Vergely , Meriem Elyajouri , Ana Monreal-Ibero

We present new three-dimensional (3D) interstellar extinction maps in the $V$ and Gaia $G$ filters within 2 kpc of the Sun, a 3D differential extinction (dust spatial distribution density) map along the lines of sight in the same space, a…

Aims: Highly resolved maps of the local Galactic dust are an important ingredient for sky emission models. In nearly the whole electromagnetic spectrum one can see imprints of dust, many of which originate from dust clouds within 300pc.…

Astrophysics of Galaxies · Physics 2019-10-16 R. H. Leike , T. A. Enßlin

Gaia data are revolutionizing our knowledge of the evolutionary history of the Milky Way. 3D maps of the interstellar dust provide complementary information and are a tool for a wide range of uses. We aimed at building 3D maps of the dust…

Astrophysics of Galaxies · Physics 2019-05-29 R. Lallement , C. Babusiaux , J. L. Vergely , D. Katz , F. Arenou , B. Valette , C. Hottier , L. Capitanio

The vast majority of Gaia DR1 Tycho-Gaia astrometric solution (TGAS) stars are located within a distance of 1200 pc from the Sun and up to 600 pc within the Galactic plane. Complete usage of their parallaxes is possible only if their…

Astrophysics of Galaxies · Physics 2017-07-31 George Gontcharov , Aleksandr Mosenkov

Gaia data and stellar surveys open the way to the construction of detailed 3D maps of the Galactic interstellar (IS) dust based on the synthesis of star distances and extinctions. Reliable extinction measurements require very accurate…

Astrophysics of Galaxies · Physics 2018-09-05 R. Lallement , L. Capitanio , L. Ruiz-Dern , C. Danielski , C. Babusiaux , J. L. Vergely , M. Elyajouri , F. Arenou , N. Leclerc

High-resolution 3D maps of interstellar dust are critical for probing the underlying physics shaping the structure of the interstellar medium, and for foreground correction of astrophysical observations affected by dust. We aim to construct…

We present a non-parametric model for inferring the three-dimensional (3D) distribution of dust density in the Milky Way. Our approach uses the extinction measured towards stars at different locations in the Galaxy at approximately known…

Astrophysics of Galaxies · Physics 2017-03-22 S. Rezaei Kh. , C. A. L. Bailer-Jones , R. J. Hanson , M. Fouesneau

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

An improved version of the 3D stellar reddening map in a space with a radius of 1200 pc around the Sun and within 600 pc of the Galactic midplane is presented. As in the previous 2010 and 2012 versions of the map, photometry with an…

Solar and Stellar Astrophysics · Physics 2017-06-13 George Gontcharov

Using a grid of empirically calibrated synthetic spectra developed in our previous study, we construct an all-sky 3D extinction map from the large collection of low-resolution XP spectra in Gaia DR3. Along each line of sight, with an area…

Astrophysics of Galaxies · Physics 2024-09-27 Deokkeun An , Timothy C. Beers , Anirudh Chiti

Accurate astrometric and photometric measurements from Gaia have led to the construction of 3D dust extinction maps which can now be used for estimating the integrated extinctions of Galactic sources located within 5 kpc. These maps based…

Solar and Stellar Astrophysics · Physics 2024-10-15 Snehalata Sahu , Pier-Emmanuel Tremblay , Rosine Lallement , Seth Redfield , Boris T. Gaensicke

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…

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