2006MNRAS.368..599M

Query : 2006MNRAS.368..599M

2006MNRAS.368..599M - Mon. Not. R. Astron. Soc., 368, 599-608 (2006/May-2)

The effect of low-mass substructures on the cusp lensing relation.

MACCIO A.V. and MIRANDA M.

Abstract (from CDS):

It has been argued that the flux anomalies detected in gravitationally lensed quasi-stellar objects (QSOs) are evidence for substructures in the foreground lensing haloes. In this paper, we investigate this issue in greater detail, focusing on the cusp relation which corresponds to images of a source located to the cusp of the inner caustic curve. We use numerical simulations combined with a Monte Carlo approach to study the effects of the expected power-law distribution of substructures within Λ cold dark matter (ΛCDM) haloes on the multiple images.

Generally, the high number of anomalous flux ratios in the cusp configurations is unlikely to be explained by `simple' perturbers (subhaloes) inside the lensing galaxy, modelled by either point masses or extended Navarro, Frenk & White subhaloes. We considered in our analysis a mass range of 105-107M☉for the subhaloes. We also demonstrate that including the effects of the surrounding mass distribution, such as other galaxies close to the primary lens, does not change the results. We conclude that triple images of lensed QSOs do not show any direct evidence for dark dwarf galaxies such as CDM substructure.


Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): gravitational lensing - methods: numerical - galaxies: haloes - cosmology: theory - dark matter

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 QSO B1115+080A QSO 11 18 16.951 +07 45 58.23   16.61 16.44     ~ 703 2

Query : 2006MNRAS.368..599M

Basic data :
QSO B1115+080A -- Quasar
Other object types: otypes_help 		QSO (2010A&A,QSO,...), X (2016A&A,2E,...), AGN (2016A&A), LeQ (2010A&A), UV (PG), NIR (2MASS), MIR (WISEA), Opt (SDSS)
ICRS coord. (ep=J2000) : 		11 18 16.951 +07 45 58.23 (Optical) [ 10 10 90 ] C 2012ApJS..203...21A
FK4 coord. (ep=B1950 eq=1950) : 		11 15 41.470 +08 02 22.81 [ 10 10 90 ]
Gal coord. (ep=J2000) : 		249.887862 +60.644423 [ 10 10 90 ]
Radial velocity / Redshift / cz : 		V(km/s) 228997 [33] / z(spectroscopic) 1.73299 [0.00011] / cz 519537.3 [33.0]
   (Opt) C 2012ApJS..203...21A
Fluxes (10) :
B 16.61 [~] D 2010A&A...518A..10V
V 16.44 [~] D 2010A&A...518A..10V
J 15.242 [0.070] C 2010AJ....139.2360S
H (AB) 16.182 [0.007] B 2013ApJS..206....4K
K (AB) 16.170 [0.006] B 2013ApJS..206....4K
u (AB) 16.4193 [0.0194] C 2020ApJS..250....8L
g (AB) 16.2517 [0.0153] C 2020ApJS..250....8L
r (AB) 16.2781 [0.0213] C 2020ApJS..250....8L
i (AB) 16.0322 [0.0212] C 2020ApJS..250....8L
z (AB) 16.0894 [0.0173] C 2020ApJS..250....8L
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 3 Display criteria :

Identifiers (29) :
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QSO B1115+080A QSO J1118+0745 3XMM J111816.9+074558 [VV2006] J111817.0+074558
2E 2441 QSO B1115+0802 2XMMi J111816.9+074558 [VV2010] J111817.0+074558
2E 1115.7+0802 SDSS J111816.95+074558.1 [BDW2002] q1115+0802 [VV96] J111817.0+074600
2MASS J11181693+0745583 SDSS J111816.94+074558.2 [HB93] 1115+080A [VV98] J111817.0+074600
PG 1115+080A SDSS J111816.95+074558.2 [HB93] 1115+080 [WTW94] 1115+080
PG 1115+08 TIC 290992546 [MWC2015] PG 1115+080 12737
PG 1115+080 WISEA J111816.92+074558.5 [VV2000] J111817.0+074600
QSO B1115+080 2XMM J111816.9+074558 [VV2003] J111817.0+074600

References (703 between 1850 and 2026) (Total 703)
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 : 10   

   

Observing logs
Herschel : 1    IUE : 4    XMM : 4   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : QSO B1115+080A

Link by name to the catalogue in VizieR :

2E 2441 2MASS J11181693+0745583 PG 1115+080A PG 1115+08 PG 1115+080
SDSS J111816.95+074558.1 SDSS J111816.94+074558.2 SDSS J111816.95+074558.2 WISEA J111816.92+074558.5

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