Sentences with phrase «velocity measurements with»

Follow - up radial velocity measurements with the Keck HIRES spectrograph on 9 separate nights demonstrate that the planet is more than twice as massive as Jupiter with a mass of 2.114 + / -0.057 and a mean density of 0.894 + / -0.079 g / cm ^ 3.

Follow - up radial velocity measurements with th... ▽ More We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler - 5 (KIC 8191672, Teff = 6300 K, logg = 4.1), which exhibits periodic transits with a depth of 0.7 %.

Not exact matches

If nothing is found wrong with this neutrino - velocity measurement, then of course the modern understanding of physics is thrown entirely «up in the air.»

There must have been something wrong with Jackson's velocity measurements because there is no way he has the weakest arm of that bunch.

These two figures show the internal waves at Dongsha Island on April 23, 2010, as seen by the radar on TerraSAR - X in its conventional mode of operation (left) and in the experimental new mode that permits direct velocity measurements (right), with the measured surface velocities shown in color.

To model the projected impact of climate change on marine biodiversity, the researchers used climate - velocity trajectories, a measurement which combines the rate and direction of movement of ocean temperature bands over time, together with information about thermal tolerance and habitat preference.

By combining the new observations with the measurements from 1993, the team deduced the object's mass, distance, and velocity.

Vogt and Butler's team found the new planet by combining 119 star velocity measurements from HARPS with 122 measurements taken with a similar instrument called HIRES, which is mounted on the 10 - metre Keck 1 telescope in Hawaii.

Rotational velocity measurements made with the European Southern Observatory's Very Large Telescope (VLT) showed that the disk galaxy is spinning more than twice as fast as the Milky Way.

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.

Right: A Doppler measurement of velocity, with winds exceeding 135 miles per hour.

Initially identified a decade ago through radial velocity measurements, it was later confirmed through transit observations with the MOST and Spitzer space telescopes.

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.

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 measurements.

Measurements of Gl 105A's radial velocity over 12 years show a linear trend and slope which is consistent with these orbital constraints and a nearly face - on orbit.

Based on 14 years of radial velocity observations from four ground - based observatories as well as astrometric measurements with the Hubble Space Telescope, the astronomers found that planets «c» and «d» are inclined by 30 + / - 1 degrees with respect to each other is expected to affect theories of how multi-planet systems evolve.

It has at least 3.75 times Jupiter's mass, but subsequent astrometic as well as high - cadence radial velocity measurements suggest that planet d may have 10.25 +0.7 / -3.3 times the mass of Jupiter with an inclination of 155.5 ° from Earth's line of sight (McArthur et al, 2010); Han et al, 2000; and Mazeh et al, 1999).

We measure eclipse timing variations (ETVs), which are then combined with the single - lined radial velocity measurements to yield masses in a manner equivalent to double - lined spectroscopic binaries.

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.

Radial velocity measurements of Alpha Centauri B with High Accuracy Radial Velocity Planet Searcher spectrograph ruled out planets of more than 4 M ⊕ to the distance of the habitable zone of the star (orbital period P = 20velocity measurements of Alpha Centauri B with High Accuracy Radial Velocity Planet Searcher spectrograph ruled out planets of more than 4 M ⊕ to the distance of the habitable zone of the star (orbital period P = 20Velocity Planet Searcher spectrograph ruled out planets of more than 4 M ⊕ to the distance of the habitable zone of the star (orbital period P = 200 days).

The latest radial velocity measurements suggest that 79 Ceti has a companion «b» with at least 77 percent of Saturn's (23 percent of Jupiter's) mass (exoplanets.org).

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.

As TLDR pointed out, maybe Gaia could provide us with some data what with radial velocity measurements being a pain and transit measurements coming up empty (so far).

High - precision radial - velocity measurements confirm a sinusoidal variation with the period and phase predicted by the photometry, and rule out the presence of line - bisector variations that would indicate that the spectroscopic orbit is spurious.

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.

By carefully combining position measurements from digital archives with newer positions measured from images taken during the course of the Pan-STARRS1 survey, they were able to derive the tangential component of the star's velocity (across our line of sight).

With a (revised) diameter of 2.63 ± 0.11 times that of Earth, the mass of the planet was derived from radial - velocity measurements using the ESO 3.6 - meter telescope and its HARPS spectrograph)(ESO press release; Bean et al, 2010; Charbonneau et al 2009; Geoffrey Marcy, 2009; Rogers and Seager, 2009; Dennis Overbye, New York Times, December 16, 2009; and Ivan Seminuik, New Scientist, December 16, 2009).

Radial velocity data can be combined with transit measurements to yield precise planetary masses as well as densities of transiting planets and thereby limit the possible materials of which the planets are composed.

We find that the asteroseismic parameters allow us to test cluster - membership of the stars, and even with the limited seismic data in hand, we can already identify four possible non-members despite their having a better than 80 % membership probability from 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 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.

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.

Measurements collected with the X-SACR are copolar and cross-polar radar reflectivity, Doppler velocity, spectra width and spectra when not scanning, differential Reflectivity (Zdr), correlation coefficient (rho - hv), and specific differential phase (phi - dp).

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.