We report precise Doppler measurements of GJ 436 (M2.5V) obtained at Keck Observatory. The velocities reveal a planetary companion with orbital period of 2.644 d, eccentricity of 0.12 (consistent with zero) and velocity semiamplitude of K = 18.1 m s . The minimum mass (M sin i ) for the planet is 0.067 MJUP = 1.2 MNEP = 21 MEARTH, making it the lowest mass exoplanet yet found around a main sequ...

We report precise Doppler measurements of GJ 436 (M2.5V) obtained at Keck Observatory. The velocities reveal a planetary companion with orbital period of 2.644 d, eccentricity of 0.12 (consistent with zero) and velocity semiamplitude of K = 18.1 m s . The minimum mass (M sin i ) for the planet is 0.067 MJUP = 1.2 MNEP = 21 MEARTH, making it the lowest mass exoplanet yet found around a main sequ...

I will start this treatise with a history of two major themes in data integration. In my opinion, the topic began with the major retailers in the 1990s consolidating their sales data into a data warehouse. To do this they needed to extract data from in-store sales systems, transform it into a predefined common representation (think of this as a global schema), and then load it into a data wareh...

In order to automate the scooping task, it is desirable that the resistive force acting on the bucket be obtained before the scooping is performed. The objective of this study is to derive theoretically the resistive forces acting on the bucket during scooping of piled rock fragments. First, the changes in the shape of the rock pile due to the penetration of it by the bucket are modeled. Based ...

Novel or unusual magnetism is a subject of considerable interest, particularly in metals and degenerate semiconductors. In such materials the interplay of magnetism, transport and other Fermi liquid properties can lead to fascinating physical behavior. One example is in magnetic semiconductors, where spin polarized currents may be controlled and used. We report density functional calculations p...

Time-odd mean fields in the rotating frame: microscopic nature of nuclear magnetism. Abstract The microscopic role of nuclear magnetism in rotating frame is investigated for the first time in the framework of the cranked relativistic mean field theory. It is shown that nuclear magnetism modifies the expectation values of single-particle spin, orbital and total angular momenta along the rotation...

Rock sample recognition plays an important role in oil and gas exploration mineral resources exploration. At present, the main rock identification methods are logging, seismic, gravity magnetism, geochemistry, hand samples thin slice analysis so on. In particular, mainstream section requires professionals to analyze slices manually, but manual detection preparation of take a long time. order re...

Distinct crustal remanent magnetic anomalies are a strong indicator of rocks with stable natural magnetization (NRM) carriers. The latter able to store information on the history rock over long geological periods, and can therefore be used for variety applications in field paleomagnetism magnetism. Typically, paleomagnetic rock-magnetic studies rely bulk properties. With advent high-resolution ...

We demonstrate experimentally that magnetism in ZnO, TiO2, CeO2, and SnO2 nanocrystals (NCs) has a fluctuant nature that varying with capping surfactant type and concentration. By developing a forced hydrolysis approach with additional post-processing for the synthesis and surfactant capping of these NCs, we effectively avoid the influence of size, shape, and magnetic impurities on the magnetic...

A family of coupled nanostrips with varying dimensions is demonstrated exhibiting optical magnetic responses across the whole visible spectrum, from red to blue. We refer to such a phenomenon as rainbow magnetism. The experimental and analytical studies of such structures provide us with a universal building block and a general recipe for producing controllable optical magnetism for various pra...