2019MNRAS.487.2614R

Query : 2019MNRAS.487.2614R

2019MNRAS.487.2614R - Mon. Not. R. Astron. Soc., 487, 2614-2623 (2019/August-1)

Effects of dark matter pressure on the ellipticity of cosmic voids.

REZAEI Z.

Abstract (from CDS):

The dark matter in or around the cosmic voids affects their shapes. The thermodynamical properties of dark matter can alter the ellipticity of cosmic voids. Here, applying the dark matter equation of state from the pseudo-isothermal density profile of galaxies, we explore the shapes of cosmic voids with the non-zero pressure dark matter in different cosmological models. For this purpose, the linear growth of density perturbation in the presence of dark matter pressure is calculated. In addition, the matter transfer function considering the dark matter pressure, as well as the linear matter power spectrum in the presence of the dark matter pressure are presented. Employing these results, the probability density distribution for the ellipticity of cosmic voids with the non-zero pressure dark matter is calculated. Our calculations verify that the dark matter pressure leads to more spherical shapes for the cosmic voids.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): dark energy - dark matter - large-scale structure of Universe

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 UGC 5750 AG? 10 35 45.12 +20 59 24.9   17       ~ 81 0

Query : 2019MNRAS.487.2614R

Basic data :
UGC 5750 -- Active Galaxy Nucleus Candidate
Other object types: otypes_help 		G (2015ApJ,UGC,...), AG? (2020MNRAS)
ICRS coord. (ep=J2000) : 		10 35 45.12 +20 59 24.9 (Optical) [ ] C 2020MNRAS.494.1784A
FK4 coord. (ep=B1950 eq=1950) : 		10 33 01.96 +21 14 57.9 [ ]
Gal coord. (ep=J2000) : 		216.71663 +58.52255 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 4167 [3] / z(emission) 0.013998 [0.000010] / cz 4196.37 [3.00]
   (Rad) C 2022ApJS..261...21Y
Angular size (arcmin): 		0.645613 0.214473 169 (Opt) B 2023ApJS..269....3M
Fluxes (4) :
B 17 [~] E ~
g (AB) 17.0982 [0.0164] C 2023ApJS..269....3M
r (AB) 16.7014 [0.0153] C 2023ApJS..269....3M
z (AB) 16.4855 [0.0144] C 2023ApJS..269....3M
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Identifiers (4) :
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UGC 5750 ECO 11634 LEDA 31386 [M98c] 103302.2+211500

References (81 between 1850 and 2026) (Total 81)
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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Collections of Measurements Description of Measurements

Velocities : 3    Distance : 1   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : UGC 5750

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UGC 5750

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