Sentences with phrase «used previous observations»

We use previous observations of the brown dwarf disk ISO - Oph 102 to inform a fiducial model around which we build a small grid of brown dwarf disk models, in order to explore the structure of CO isotopologue, HCN, and HCO + lines.

Not exact matches

Using the advanced mathematics of the period Burridan and Nicole Oresme (c. 1325 - 1382) amongst others had to conclude that previous ideas on motion and gravity introduced by Aristotle were false according to observation and reason.

The BICEP2 experiment used 512 detectors, which sped up observations of the cosmic microwave background by 10 times over the team's previous measurements.

The stark temperature difference contrasts with previous observations of another gas planet, HD 189733b, using the Spitzer Space Telescope, which found a fairly even temperature around the planet of about 1000 kelvin.

Previous research has suggested a connection between coal - burning and the Sahel drought, but this was the first study that used decades of historical observations to find that this drought was part of a global shift in tropical rainfall, and then used multiple climate models to determine why.

Survey data gathered voluntarily from homeless youth in Los Angeles, as well as behavioral theories and observations of previous interventions, were used to build a computational model of the interventions.

This is an important observation, because previous research — including Ross's own work — had used skull thickness as a proxy for density.

Isaacman - VanWertz picked pinene because it has been extensively studied, so he could use previous work to make sense of his observations.

This observation was not a huge surprise based on previous work elsewhere in the tropics and its established use in forestry.

Previous observation of 2M1207b using Hubble revealed an incredibly hot planet with temperatures of 2,200 to 26,000 degrees Fahrenheit.

Unlike previous pointing systems used by NASA, the WASP can accurately point highly sensitive instruments at the right observation targets with a margin of error of less than one arc - second.

Previous observations suggested that Schöningen offered key examples for the early use of fire.

The researchers combined these observations into a simple model, using only solar energy and waiting time since the previous interglacial, that was able to predict all the interglacial onsets of the last million years, occurring roughly every 100,000 years.

The research team, led by Shigehisa Takakuwa, used the ALMA telescope to observe the baby - twin star L1551 NE [1], located in the constellation of Taurus at a distance of 460 light years, with a 1.6 times better imaging resolution and a 6 times better sensitivity than those of their previous observations with the SubMillimeter Array (SMA).

Although it is difficult to extrapolate from rats to humans, we may try to use our results obtained at the tissue level in rats to interpret our previous observations obtained only at the whole - body level in elderly women (5,6,18), i.e., comparing the responses of liver and muscle protein synthesis to the pulse feeding pattern in the 2 age groups could suggest that there was also a positive effect of the pulse pattern at the muscle level in humans.

«Previous to using edTech apps, my assessment of skill gaps in student learning was, at best, approximate and anecdotal; that is, I estimated these gaps based on anecdotal observations from class discussion and student evaluations such as unit tests,» said Kevin Neal, a social studies teacher at Valley High School in the West Des Moines school district in Iowa, USA.

And yet, the researchers argue that using test scores to make high - stakes decisions about teachers» jobs is actually a more accurate method than previous systems, which often depended on cursory classroom observations, pass rates on licensure tests, and degrees earned.

Prior to beginning the Winter Workspace, Nick's artistic approach stemmed from the use of previous observations and experiences within the built and natural world.

If only data up to and including year 2000 are used in the analysis, the 90 % C.I. is 1.4 to 10.6 °C with a pronounced heavy tail in line with previous estimates of ECS constrained by observations in the 20th century.

Quality control of the data using a two - step semi-automatic statistical approach identified 3.5 % of observations that required correction or removal, on par with previous data rescue efforts.

«Using all these different observations that have been collected over time, it pretty much verifies the trend that we have from the model for the past 13 years, though our estimate of thinning compared to previous decades may have been a little slow,» co-researcher Axel Schweiger added.

The great advantage of using the reanalyses is that «infilling» for regions without observations is accomplished through data assimilation using a numeral weather prediction system (for details, see previous CE post reanalyses.org).

What many previous emergent - constraint studies have done is to take such a band of observations and project it onto the vertical ECS axis using the estimated regression line between ECS and the natural fluctuations, taking into account uncertainties in the estimated regression model.