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Related papers: A comparative analysis of Galactic extinction at l…

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The extreme extinction ($A_V\sim30$\,mag) and its variation on arc-second scales towards the Galactic centre hamper the study of its stars. Their analysis is restricted to the near infrared (NIR) regime, where the extinction curve can be…

Astrophysics of Galaxies · Physics 2021-09-22 Francisco Nogueras-Lara , Rainer Schödel , Nadine Neumayer

We have determined interstellar extinction law toward the Galactic center (GC) at the wavelength from 1.2 to 8.0 micron, using point sources detected in the IRSF/SIRIUS near-infrared survey and those in the 2MASS and Spitzer/IRAC/GLIMPSE II…

Astrophysics of Galaxies · Physics 2011-02-11 Shogo Nishiyama , Motohide Tamura , Hirofumi Hatano , Daisuke Kato , Toshihiko Tanabe , Koji Sugitani , Tetsuya Nagata

We extract J and K_s magnitudes from the 2MASS Point Source Catalog for approximately 6 million stars with 8 < K_s < 13 in order to build an A_K extinction map within 10 degrees of the Galactic centre. The extinction was determined by…

Astrophysics · Physics 2009-11-07 C. M. Dutra , B. X. Santiago , E. L. D. Bica , B. Barbuy

We present an extinction map of the inner $\sim$\SI{15}{\arcminute} by {16}{\arcminute} of the Galactic Center (GC) with map `pixels' measuring \SI{5}{\arcsecond} $\times$ \SI{5}{\arcsecond} using integrated light color measurements in the…

Astrophysics of Galaxies · Physics 2020-04-06 R. Deno Stelter , Stephen S. Eikenberry

Galactic extinction is tested using galaxy number counts at low Galactic latitude obtained from five band photometry of the Sloan Digital Sky Survey. The spatial variation of galaxy number counts for low extinction regions of $E(B-V) <…

Astrophysics · Physics 2008-11-26 Naoki Yasuda , Masataka Fukugita , Donald P. Schneider

An improved high-resolution and deep A$_{Ks}$ foreground dust extinction map is presented for the Galactic disk area within $295^{\circ} \lesssim l \lesssim 350^{\circ}$, $-1.0^{\circ} \lesssim b \lesssim +1.0^{\circ}$. At some longitudes…

We have determined the ratios of total to selective extinction in the near-infrared bands (J, H, Ks) toward the Galactic center from the observations of the region |l| < 2.0deg and 0.5deg < |b| < 1.0deg with the IRSF telescope and the…

We provide new, high-resolution A(Ks) extinction maps of the heavily reddened Galactic midplane based on the Rayleigh-Jeans Color Excess ("RJCE") method. RJCE determines star-by-star reddening based on a combination of near- and…

Astrophysics of Galaxies · Physics 2015-06-05 David L. Nidever , Gail Zasowski , Steven R. Majewski

The aims of this work are to provide accurate photometry in multiple near-infrared broadband filters, to determine the power-law index of the extinction-law toward the central parsec of the Galaxy, to provide measurements of the absolute…

Astrophysics of Galaxies · Physics 2009-12-08 R. Schoedel , F. Najarro , K. Muzic , A. Eckart

The Galactic bulge is one of the most information-dense regions to study resolved stellar populations, variables, and transients, such as microlensing events. Studies toward the Galactic bulge are complicated by the large and variable…

Studies of the properties of the inner Galactic Bulge depend strongly on the assumptions about the interstellar extinction. Most of the extinction maps available in the literature lack the information about the distance. We combine the…

Astrophysics of Galaxies · Physics 2015-06-12 B. Q. Chen , M. Schultheis , B. W. Jiang , O. A. Gonzalez , A. C. Robin , M. Rejkuba , D. Minniti

We present a three dimensional extinction map in $r$ band. The map has a spatial angular resolution, depending on latitude, between 3 -- 9\,arcmin and covers the entire XSTPS-GAC survey area of over 6,000\,$\rm deg^2$ for Galactic longitude…

Solar and Stellar Astrophysics · Physics 2015-06-22 B. -Q Chen , X. -W. Liu , H. -B. Yuan , H. -H. Zhang , M. Schultheis , B. -W. Jiang , Y. Huang , M. -S. Xiang , H. -B. Zhao , J. -S. Yao , H. Lu

In this study, we derived a galactic extinction map in high ecliptic latitudes for |\beta| > 30 degrees. The dust temperature distribution was derived from the intensities at 100 and 140 \mu m with a spatial resolution of 5'. The intensity…

Astrophysics of Galaxies · Physics 2015-06-12 Tsunehito Kohyama , Hiroshi Shibai , Misato Fukagawa , Takahiro Sumi , Yasunori Hibi

We present a homogeneous 2MASS bright galaxy catalogue at low Galactic latitudes ($|b| \le 10.0^{\rm o}$, called Zone of Avoidance) which is complete to a Galactic extinction-corrected magnitude of $K^o_s \le 11.25^{\rm m}$. It also…

Astrophysics of Galaxies · Physics 2018-11-28 Anja C. Schröder , Wim van Driel , Renee C. Kraan-Korteweg

We test the recently published all-sky reddening map of Schlegel, Finkbeiner & Davis (1998 [SFD]) using the extinction study of a region in the Taurus dark cloud complex by Arce & Goodman (1999 [AG]). In their study, AG use four different…

Astrophysics · Physics 2009-08-21 Hector G. Arce , Alyssa A. Goodman

We present three 14400 square degree relative extinction maps of the Galactic Plane (|b|<20degrees) obtained from 2MASS using accumulative star counts (Wolf diagrams). This method is independent of the colour of the stars and the variation…

Astrophysics · Physics 2009-11-10 D. Froebrich , T. P. Ray , G. C. Murphy , A. Scholz

The characterisation of the extinction curve in the near infrared (NIR) is fundamental to analyse the structure and stellar population of the Galactic centre (GC), whose analysis is hampered by the extreme interstellar extinction ($A_V\sim…

We study the integral Galactic extinction and reddening based on the galaxy catalog of the South Galactic Cap U-band Sky Survey (SCUSS), where $u$ band galaxy number counts and $u-r$ color distribution are used to derive the Galactic…

Interstellar absorption in the galactic plane is highly variable from one direction to another. In this paper colour excesses and distances from a new open cluster sample are used to investigate the spatial distribution of the interstellar…

Astrophysics · Physics 2007-05-23 Bing Chen , Jean Luc Vergely , Bernard Valette , Giovanni Carraro

The extinction laws at 7um and 15um are derived for more than 120 sightlines in the inner Galactic plane based on the ISOGAL survey data and the near-infrared data from DENIS and 2MASS. The tracers are the ISOGAL point sources with…

Astrophysics · Physics 2009-11-11 B. W. Jiang , J. Gao , A. Omont , F. Schuller , G. Simon
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