Sentences with phrase «velocity measurements for»

Velocity measurements for the Prestrud and Sulzberger Ice Shelves, West Antarctica.

The Keck / DEIMOS combination is the only one in the world capable of making these velocity measurements for large numbers of Andromeda stars.»

In July 2008, astronomers (Michael Endl and Martin Kürster) analyzed used seven years of differential radial velocity measurements for Proxima Centauri to submit a paper indicating that large planets are unlikely to be orbiting Sol's closest stellar neighbor within its habitable zone — around 0.022 to 0.054 AU with a corresponding orbital period of 3.6 to 13.8 days.

Not exact matches

Estimates of data like temperature and wind velocity also had to be used in some border areas, which were under control of FARC (the Revolutionary Armed Forces of Colombia) and were not easily accessible for measurements, he adds.

HARPS allows for measurements of radial velocities of stars, which can be affected by the presence of nearby planets, to be taken with the highest accuracy currently available.

For low - mass eclipsing binary stars, the method of eclipse minimum timing allows astronomers to search for smaller masses than those feasible with radial velocity measuremenFor low - mass eclipsing binary stars, the method of eclipse minimum timing allows astronomers to search for smaller masses than those feasible with radial velocity measuremenfor smaller masses than those feasible with radial velocity measurements.

So velocity measurements help to group objects together but do not determine the distances for those groups.

The host star is bright (V = 11.2, J = 9.1) and so may be a good target for precise radial velocity measurements.

The new radial velocity measurements are now available for download on our website.

For the super-Earth WA... ▽ More We report precise radial velocity (RV) measurements of WASP - 47, a G star that hosts three transiting planets in close proximity (a hot Jupiter, a super-Earth and a Neptune - sized planet) and a non-transiting planet at 1.4 AU.

We derived the radii of the planets from the K2 light curve and used high - precision radial velocities gathered with the HARPS - N spectrograph for mass measurements.

The planets are amenable to mass measurement by precision radial velocity measurements, and therefore K2 - 138 could represent a new benchmark systems for comparing radial velocity and TTV masses.

Demonstration of a Near - IR Laser Comb for Precision Radial Velocity Measurements in Astronomy

For example, if we have a snapshot measurement of the ice velocity, we can infer the value of our basal parameter, i.e. the parameter that represents conditions at the base of the ice.

These observations explore the minimum system requirements for precise radial velocity measurements.

«Geodetic measurements of vertical crustal velocity in West Antarctica and the implications for ice mass balance.»

In the EDEN / RV component we are utilizing stellar reflex motion (radial velocity measurements) to search for extrasolar planets around nearby stars.

Our barycentric radial velocities, derived from observations taken at the KPNO 2.1 meter telescope, differ from... ▽ More We demonstrate the ability to measure precise stellar barycentric radial velocities with the dispersed fixed - delay interferometer technique using the Exoplanet Tracker (ET), an instrument primarily designed for precision differential Doppler velocity measurements using this technique.

An Inexpensive Field - Widened Monolithic Michelson Interferometer for Precision Radial Velocity Measurements

Recently developed, in - situ techniques for direct volume determination, acoustic wave velocity measurements, and x-ray diffraction at HPCAT, along with molecular dynamics simulations, were employed to explore the nature of the unusual and pressure - tunable, compression and elastic properties.

The paper is titled «Demonstration of a near - IR line - referenced electro - optical laser frequency comb for precision radial velocity measurements in astronomy.»

These involved calculating weights for the velocity time series from the measurement uncertainties and adjusting them in order to minimize the noise level of the combined data.

Optical fiber modal noise in the 0.8 to 1.5 micron region and implications for near infrared precision radial velocity measurements

The ECS presented here could potentially provide the stable operating environment required for future compact, «astro - photonic» precise radial velocity (PRV) spectrometers to achieve high Doppler measurement precision with a modest budget.

Kepler 10b was detected using the transit method from more than eight months of data collected by the spacecraft between May 2009 and early January 2010 and confirmed by radial velocity measurements, and there evidence for another planet (KOI 72.02) in an outer orbit with a period around 45.3 days (Kepler news release; images, animations, and discovery page; and Batalha et al, 2011).

It was found using radial - velocity measurements obtained as part of the the NASA - UC Eta - Earth Survey by the California Planet Search (CPS) group, a systematic search for low - mass planets between three and 30 Earth - masses orbiting the nearest 230 G -, K -.

No hints for the presence of an additional planetary companion in the two systems were found either from the photometric or radial velocity measurements.

When different studies use the same angular velocity for measurement, these can be compared to one another, so long as differences between the populations tested are acknowledged, and so long as the dynamometer used is the same in both cases, as differences have been observed between brands (Francis & Hoobler, 1987; Thompson et al. 1989; Gross et al. 1991).

Combining longitudinal data, multilevel modeling and state - of - the - art measurement scales from The Lexile ® Framework for Reading and The Quantile ® Framework for Mathematics, Williamson (2016) premiered incremental velocity norms for average reading growth and average mathematics growth.

For thirty years, he had taken tens of thousands of measurements of variously shaped surfaces moving at different angles through the air using a «whirling arm,» a long pole that extended horizontally from a fixed vertical pole and spun at a preset velocity, a device originally developed to test the flight of cannonballs.

It also allows for measurement of bloodflow velocities which can be used to estimate the pressures within the various chambers of the heart — specific changes to these velocities and thus pressures are associated with specific cardiac diseases.

We have successfully carried out river survey work for BC Hydro on the Campbell River, including completing river transects, depth / velocity & substrate measurements.

I can determine the standard uncertainty for all the measured variables from statistics It is falsifiable — i can move a body at a certain velocity for a certain time and measure the traveled distance If the traveled distance does not fit with calculated distance within the uncertainty calculated by using the international standard Guide to the expression of Uncertainty in Measurement the model might be wrong.

To determine how much ice and snowfall enters a specific ice shelf and how much makes it to an iceberg, where it may split off, the research team used a regional climate model for snow accumulation and combined the results with ice velocity data from satellites, ice shelf thickness measurements from NASA's Operation IceBridge — a continuing aerial survey of Earth's poles — and a new map of Antarctica's bedrock.

Be it velocity differences, sun rays differences or lack of, planetary tilting for different intensities of suns rays, land heights, atmosphere pressure (not the current adjusted for water measurements), etc..

For those who aren't aware of what pulse wave velocity is, which is probably most — neither was I when I first picked up the Withings Scale — Pulse Wave Velocity, or PWV for short, is the measurement of the flow of blood through the arterial trFor those who aren't aware of what pulse wave velocity is, which is probably most — neither was I when I first picked up the Withings Scale — Pulse Wave Velocity, or PWV for short, is the measurement of the flow of blood through the arterivelocity is, which is probably most — neither was I when I first picked up the Withings Scale — Pulse Wave Velocity, or PWV for short, is the measurement of the flow of blood through the arteriVelocity, or PWV for short, is the measurement of the flow of blood through the arterial trfor short, is the measurement of the flow of blood through the arterial tree.