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Related papers: Internal Extinction in the SDSS Late-Type Galaxies

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In order to study the effects of internal extinction in spiral galaxies we search for correlations of near infrared (NIR) photometric parameters with inclination. We use data from the 2 Micron All-Sky Survey (2MASS) Extended Source Catalog…

Astrophysics · Physics 2009-11-07 Karen L. Masters , Riccardo Giovanelli , Martha P. Haynes

Magnitude-limited samples of spiral galaxies drawn from the Ursa Major and Pisces clusters are used to determine their extinction properties as a function of inclination. Imaging photometry is available for 87 spirals in B,R,I and K' bands.…

Extinction in galaxies affects their observed properties. In scenarios describing the distribution of dust and stars in individual disk galaxies, the amplitude of the extinction can be modulated by the inclination of the galaxies. In this…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Ching-Wa Yip , Alex Szalay , Rosemary Wyse , Laszlo Dobos , Tamas Budavari , Istvan Csabai

A sample of SiO-masing late-type stars located in the inner Galaxy is analyzed with the goal of better constraining their obscuration. This reference sample allows us to define mathematical relations between their dereddened infrared…

Astrophysics of Galaxies · Physics 2024-06-19 Maria Messineo

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

A precise measure of the mid-infrared interstellar extinction law is crucial to the investigation of the properties of interstellar dust, especially of the grains in the large size end. Based on the stellar parameters derived from the…

Astrophysics of Galaxies · Physics 2016-11-10 Mengyao Xue , Biwei Jiang , Jian Gao , Jiaming Liu , Shu Wang , Aigen Li

We report results concerning the distribution and properties of galactic extinction at high galactic latitudes derived from stellar statistics using the Sloan Digital Sky Survey (SDSS). We use the classical Wolf diagram method to identify…

Astrophysics of Galaxies · Physics 2015-05-14 Evgeny Gorbikov , Noah Brosch

DENIS observations in the J (1.2 micron) and K_S (2.15 micron) bands together with isochrones calculated for the RGB and AGB phase are used to draw an extinction map of the inner Galactic Bulge. The uncertainty in this method is mainly…

To investigate the distribution of dust in Sb and Sc galaxies we have analyzed near-infrared and optical surface photometry for an unbiased sample of 37 galaxies. Since light in the $K$-band is very little affected by extinction by dust,…

We examine volume-limited samples from the SDSS galaxies to look for relations among internal and collective physical parameters of galaxies as faint as M_r=- 17.5, which include morphology, luminosity, color, color gradient, concentration,…

Astrophysics · Physics 2016-04-26 Yun-Young Choi , Changbom Park , Michael S. Vogeley

Interstellar extinction towards the Galactic Center is large and significantly differential. Its reddening and dimming effects in red clump stars in the Galactic Bulge can be exploited to better constrain the extinction law towards the…

The outcome of upcoming cosmological surveys will depend on the accurate estimates of photometric redshifts. In the framework of the implementation of the photo-z algorithm for Euclid, we are exploring new avenues to improve…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-01 Audrey Galametz , Roberto Saglia , Stephane Paltani , Nikolaos Apostolakos , Pierre Dubath

We combine near-infrared (2MASS) and mid-infrared (Spitzer-IRAC) photometry to characterize the IR extinction law (1.2-8 microns) over nearly 150 degrees of contiguous Milky Way midplane longitude. The relative extinctions in 5 passbands…

The extinction law from $0.9$ to $8$ microns in the inner $3\times3$ deg$^2$ of the Milky Way is measured using data from VISTA Variables in the Via Lactea, GLIMPSE and WISE. Absolute extinction ratios are found by requiring that the…

Astrophysics of Galaxies · Physics 2022-06-08 Jason L. Sanders , Leigh C. Smith , Carlos González-Fernández , Philip Lucas , Dante Minniti

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 use spectra of more than 56,000 M dwarfs from the Sloan Digital Sky Survey (SDSS) to create a high-latitude extinction map of the local Galaxy. Our technique compares spectra from the stars in the SDSS Data Release 7 M dwarf sample in…

Astrophysics of Galaxies · Physics 2015-05-27 David O. Jones , Andrew A. West , Jonathan B. Foster

The observed properties of galaxies vary with inclination; for most applications we would rather have properties that are independent of inclination, intrinsic properties. One way to determine inclination corrections is to consider a large…

Astrophysics · Physics 2009-06-23 Ariyeh H. Maller , Andreas A. Berlind , Michael R. Blanton , David W. Hogg

We have determined the wavelength dependence of the extinction in the near-infrared bands ($J$, $H$, $K_{\mathrm S}$) toward the Galactic center from the VVV (VISTA Variables in the V\'ia L\'actea) aperture photometry of the stars in the…

Astrophysics of Galaxies · Physics 2019-09-25 Schun Nagatomo , Tetsuya Nagata , Shogo Nishiyama

The objective of this work is to obtain an extinction-corrected distribution of optical surface brightness and colour indices of the large nearby galaxy M 31 using homogeneous observational data and a model for intrinsic extinction. We…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-14 Elmo Tempel , Taavi Tuvikene , Antti Tamm , Peeter Tenjes

A new method for the determination of the extinction in our Galaxy is proposed. The method uses surface brightnesses of external galaxies in the B and R bands. The observational data have been taken from the ESO-LV galaxy catalogue. As a…

Astrophysics · Physics 2007-05-23 Jacek Choloniewski , Edwin. A. Valentijn
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