Dark Matter on Cosmological Scales  

Distribution In General > s.a. dark matter [and large-scale structure]; dark-matter detection; fractals in physics.
* 1996: Orbiting Japanese X-ray telescope ASCA indicates that dark matter is hierarchical, congregates in galaxies and clusters [@ Ikebe et al Nat(96)feb].
* 2005: Lensing analysis by Natarajan et al show excellent agreement with "concordance model" at galactic scales.
* 2006: Study of 12 Milky Way satellites with VLT shows it clumps at scales above 300 pc, with typical speed 9 km/s.
* 2007: Dark-matter map by COSMOS team shows overlap with luminous matter at large scales [@ Massey et al Nat(07)jan + pw(07)jan].
* 2008: Colliding clusters MACSJ0025 show separation of dark matter (lensing) and ordinary hot gas (X rays), similar to the Bullet Cluster.
@ Reviews: Linder Nat(07)jan-ap; Palanque-Delabrouille IJMPA(07).
@ Related topics: news pw(08)feb [cmb polarization]; Ntelis & Ealet for Euclid a1805-conf [homogeneity scale]; > s.a. lorentz-symmetry phenomenology.

Galaxies > s.a. dark matter [reviews]; galaxies [rotation curves]; supermassive black holes; Tully-Fisher Relation.
* 2011: The core-cusp problem remains one of the unsolved discrepancies between observations and theory in cold-dark-matter scenarios.
* 2017: Distant galaxies appear to lack dark matter, contrary to expectations and galaxy formation theories, and based on star velocity measurements.
@ Local group: Wyse and Gilmore IAU(07)-a0708 [dwarf spheroidals]; Cowsik et al ApJ(09)-a0904 [dwarf galaxy in Fornax]; Łokas APPB(11)-a1112-proc; Kroupa a1409-conf [Local Group, no evidence for exotic dark matter]; > s.a. dark matter distribution.
@ Nearby galaxies: Bullock a1009-ln [the missing-satellites problem]; Dugger et al JCAP(10)-a1009; news bbc(11)sep [the missing satellites problem]; news CfA(11)oct [no central concentration of dark matter]; Reddick et al ApJ(13)-a1207; Bottema & Pestaña MNRAS(15)-a1501 [dark and luminous matter, from extended rotation curves]; > s.a. galaxies [LMC + SMC, M31]; news cosmos(18)feb [satellite distribution].
@ Other galaxies: Rubin SA(83)jun; Sackett ASP(99)ap; Salucci & Borriello LNP(03)ap/02; Hu & Keeton PRD(02)ap [mapping]; Bolatto et al IAU-ap/03 [profiles for dwarf galaxies]; Bosma IAU-ap/03 [overview]; Ascasibar et al MNRAS(04)ap/03 [origin of profiles]; Merrifield ap/04-talk [rev]; Kochanek IAU(04)ap [and lensing]; Dekel et al Nat(05)ap [elliptical]; Pérez et al A&A(05)ap [barred]; McGaugh PRL(05)ap [rotating]; Salucci EAS(05)ap [spirals]; Stoehr et al EAS(06)ap [ellipticals]; Ogiya & Mori ApJL(11)-a1106 [the core-cusp problem]; Gerhard IAU(13)-a1212 [massive galaxies]; Magain & Chantry a1303/ApJL [early-type galaxies, no evidence for extended dark-matter halos]; Genzel et al Nat(17)mar-a1703 + news sn(17)mar + comment McGaugh blog(17)mar [distant galaxies' rotation curves]; Zasov et al a1710; Salucci A&AR-a1811 [rev]; Mocz et al PRL(19) [first galaxies]; > s.a. light deflection [by a galaxy].
@ Other galaxies, globular clusters: Spitler & Forbes MNRAS(09)-a0809; Taylor et al ApJ(15)-a1503 [in NGC 5128].
@ Dark-matter halos: Macciò et al a0704/MNRAS [chaos and shape]; Giocoli et al MNRAS(10)-a0911 [substructure hierarchy]; Boyarsky et al PRL(10)-a0911 [universal properties]; O'Brien et al A&A(10)-a1003, A&A(10)-a1003, A&A(10)-a1003 [edge-on galaxies]; Baxter et al PRD(10)-a1006 [subhalos]; Núñez et al PRD(10) [rotation curves and lensing]; Blas et al JCAP(12) [constraints on deviations from Lorentz invariance]; Zemp ApJ(14)-a1312 [scales]; Dwornik et al AHEP(17)-a1406 [condensate halos and observations]; Oguri & Lin ApJ(15)-a1410; Davis & Silk PRL(15) [observation through scattered light]; > s.a. phenomenology of gravity.
@ Related topics: Stiff & Widrow PRL(03) [fine structure]; Zhao & Silk PRL(05)ap [mini-halos].

dark matter
P.W. Graham et al., Phys. Rev. D (2015)

Galaxy Clusters
* Dark matter decay: Could be detected by observing photons with high spatial resolution, to determine whether they come from a region that agrees with the mass distribution obtained from lensing (dark matter) or that obtained from X-rays (hot baryonic matter).
@ General references: Clowe & Zaritsky pw(07)feb [Bullet Cluster]; Bournaud et al Sci(07)may-a0705 [debris of galaxy collisions]; Jee et al ApJ(07)-a0705 + pw(07)may [ringlike structure around cluster Cl 0024+17]; news an(08)aug [colliding clusters]; Primack AIP(09)-a0909 [galaxy formation and clustering]; Baldauf et al PRD(10)-a0911 [and weak lensing, correlation function]; news at(12)mar [Train Wreck cluster]; Hektor et al ApJL(13)-a1207 [γ rays]; Karachentsev et al ApJ(14)-a1312 [Virgo cluster]; news NASA(14)jul [the 3.56-keV X-ray line from the Perseus cluster]; Miyatake et al PRL(16) + news es(16)jan [internal structure]; news space(16)dec [not so clumpy].
@ Intercluster filaments: Dietrich et al Nat(12)jul-a1207 + news nat(12)jul [between the Abell 222/223 galaxy clusters]; news pw(15)dec [from Abell 2744].
@ Related topics: Tyson PT(92)jun [mapping with gravitational radiation]; Zurek et al PRD(07)ap/06 [miniclusters, "ScaMs"]; Hansen ApJ(09)-a0812 [velocity anisotropy]; Frenk & White AdP(12)-a1210 [and cosmic structure]; Hezaveh et al JCAP(16)-a1403 [power spectrum from strong gravitational lensing]; Leclercq a1410-proc [dark matter voids]; Graham et al PRD(15) [mapping with high-spatial-resolution observation of photons].

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