2013A&A...550A..80M

Query : 2013A&A...550A..80M

2013A&A...550A..80M - Astronomy and Astrophysics, volume 550A80-80 (2013/2-1)

Calibrating Milky Way dust extinction using cosmological sources.

MOERTSELL E.

Abstract (from CDS):

We constrain the light extinction properties of Milky Way dust. We investigated the correlations between dust column density as inferred from infrared data and the observed colours of celestial objects at cosmological distances with low levels of colour dispersion.
Result. derived using colours of quasars, brightest central galaxies, and luminous red galaxies are broadly consistent, indicating a proportionality constant between the reddening E(B-V)=AB-AV and the dust column density DT (given in units of MJy/sr) of p=E(B-V)/DT∼0.02 and a reddening parameter RV=AV/E(B-V)∼3 with fractional uncertainties of approximately 10%. The data do not provide any evidence for spatial variations in the dust properties, except for a possible hint of scatter in the dust extinction properties at the longest optical wavelengths.

Abstract Copyright: ∼

Journal keyword(s): dust, extinction - Galaxy: general

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Cyg Complex reg 20 32 +45.0           ~ 667 0

Query : 2013A&A...550A..80M

Basic data :
NAME Cyg Complex -- Region defined in the Sky
Other object types: otypes_help 		reg ()
ICRS coord. (ep=J2000) : 		20 32 00.0 +45 00 00 [ ] E ~
FK4 coord. (ep=B1950 eq=1950) : 		20 30 18.9 +44 49 46 [ ]
Gal coord. (ep=J2000) : 		083.0584 +03.1569 [ ]
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Identifiers (3) :
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NAME Cyg Complex NAME Cyg Region NAME Cygnus Region

References (667 between 1850 and 2026) (Total 667)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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