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Context. Resonance rings and pseudorings (here collectively called rings) are thought to be related to the gathering of material near dynamical resonances caused by non-axisymmetries in galaxy discs. This means that they are the result of secula[...]texto impreso
Gil de Paz, Armando ; Gallego Maestro, Jesús ; Castillo Morales, África ; Eliche Moral, María del Carmen ; Marino, Raffaella Anna ; Pascual Ramírez, Sergio ; Zamorano Calvo, Jaime ; Cardiel López, Nicolás ; Pérez González, Pablo Guillermo ; ..., otros | Universidad Nacional Autónoma Mexico, Inst. de Astronomía | 2013In these proceedings we summarize the characteristics and current status of MEGARA, the future optical IFU and MOS for the 10.4 m GTC. MEGARA is being built by a Consortium led by the UCM (Spain) that also includes the INAOE (Mexico), the IAA-CS[...]texto impreso
The morphology of galaxies can be quantified to some degree using a set of scale-invariant parameters. Concentration (C), asymmetry (A), smoothness (S), the Gini index (G), the relative contribution of the brightest pixels to the second-order mo[...]texto impreso
We present a new approach for estimating the 3.6 ?m stellar mass-to-light (M/L) ratio ?_3.6 in terms of the [3.6]-[4.5] colors of old stellar populations. Our approach avoids several of the largest sources of uncertainty in existing techniques u[...]texto impreso
The accurate determination of reactor antineutrino spectra remains a very active research topic for which new methods of study have emerged in recent years. Indeed, following the long-recognized reactor anomaly (measured antineutrino deficit in [...]texto impreso
We have performed two-dimensional multicomponent decomposition of 144 local barred spiral galaxies using 3.6 ?m images from the Spitzer Survey of Stellar Structure in Galaxies. Our model fit includes up to four components (bulge, disk, bar, and [...]texto impreso
Barrio Uña, Juan Abel ; Bonnefoy, Simon Francois Albert ; Contreras González, José Luis ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Nievas Rosillo, Miguel ; Satalecka, Konstanzja ; ..., otros | IOP Publishing | 2015-12-20The flat-spectrum radio quasar PKS 1441+25 at a redshift of z = 0.940 is detected between 40 and 250 GeV with a significance of 25.5? using the MAGIC telescopes. Together with the gravitationally lensed blazar QSO B0218+357 (z = 0.944), PKS 1441[...]
