Sentences with phrase «obtain observation time»

«It is very difficult to obtain observation time in Hubble because it is highly competitive, but its high quality images have been decisive in the research,» explained Sánchez - Lavega.

Not exact matches

«In essence, it is a synthesis of the results obtained by Greek astronomy... On the motions of the Sun, Moon, and planets, Ptolemy again extended the observations and conclusions of Hipparchus — this time to formulate his geocentric theory, which is popularly known as the Ptolemaic system» (15th edition, 1975, Macropaedia, Vol.

But the ocean is a huge, constantly moving three - dimensional ecosystem, and obtaining precise, real - time observations of marine life and of oceanic conditions such as temperature, current and salinity is quite challenging and astronomically expensive.

This intriguing fingerprint quickly triggered additional observations by teams of astronomers worldwide who obtained observing time with additional space observatories including NASA's Chandra X-ray Observatory and NASA's Nuclear Spectroscopic Telescope Array (NuSTAR).

«Around the time that these observations were obtained, we were working on models predicting exactly these kinds of structures: a very lucky coincidence.»

For the first time, scientists have obtained direct, quantifiable observations of cloud seeding for increased snowfall — from the growth of ice crystals, through the processes that occur in clouds, to the eventual snowfall.

«Time for planetary observations on ground - based observatories is difficult to obtain,» Hurford said.

«These NIRCam images will be taken in three bands, and they will be the deepest obtained by any guaranteed time observation team,» explained Pérez - González.

The team has made a new breakthrough observation with ALMA, finding a protostellar jet to be spinning, convincingly for the first time [3] A research team led by Tomoya Hirota at the National Astronomical Observatory of Japan obtained clear evidence of rotation in the gas outflow from a massive baby star Orion KL Source I with ALMA.

Over the three months that followed the initial detection, the technique was able to obtain radar echoes from Chandrayaan - 1 seven more times, including during follow - up observations made by the powerful Arecibo Observatory in Puerto Rico.

The observations were obtained in just 5 hours of ALMA observation time — even though ALMA was still under construction at the time — similar quality observations with other telescopes have taken ten times longer.

To aid the process of obtaining additional observations, the MPC produces a list that is generally available of objects that need further observations and are currently visible so that observers with telescope time can make a special effort to observe these objects, thus ensuring that the elements of the orbit are secure.

We analyzed scores on the inventory descriptively and used them to predict time - use data collected via in - person observations, a survey - based measure of job stress, and measures of perceived job effectiveness obtained from assistant principals and teachers in the school.

Only through the process of stringing together such observations from different ships using different sampling methods are time - series obtained for individual 1X1 degree Marsden squares.

NASA GISS obtain much of their temperature data from the NOAA who adjust the data to filter out primarily time - of - observation bias (although their corrections also include inhomogeneities and urban warming - more on NOAA adjustments).

Forest (2006) states: «It is not possible to estimate the true climate system variability on century time - scales from observations and therefore, climate models are run with fixed boundary conditions for thousands of years to obtain estimates of the climate variability.»

Satellite data providers in Member States can contact us to obtain real - time and archive products for use in their operational forecast system in exchange for real - time satellite observations.

This database includes temperature observations made between 1890 (or from the time when observations were initiated) and 1999, and has been obtained from meteorological stations in the Nordic countries (3).

SWIF combines historical and real - time ionospheric observations with solar wind parameters obtained in real time at the L1 point from NASA / ACE spacecraft.

In no way is this comparable to the manufacture of data where no measurements have been taken or the substitution of one measured variable (daily mean land air temperature) with another (instantaneous SST observations) whose sampling method varies, is exceedingly uneven geographically, and no credible, alias - free time - series can be obtained.

About half of that increase was due to information obtained about station moves (mostly from cities to airports where conditions were generally cooler), the other half from changes in the time of observation (mostly as a consequence of a concerted effort to transition to a uniform time of observation for a whole network of stations).

[19] With regard to loss or impairment of life, emotional suffering and severity of duration of pain, due to Julien's young age at the time, just turned five years old, the evidence is obtained primarily from his aunt's observations in her frequent visits with him.

Maternal report of children's TV viewing may produce slight overestimates of TV - viewing hours when compared with daily logs and direct observation.39 - 41 Although logs and direct observation may theoretically be more valid measures of TV - viewing time, obtaining these measures could influence TV - viewing behavior.

Scales used to assess inconsistent maternal enforcement of rules, loud arguments between the parents, low maternal educational aspirations for the child, maternal possessiveness, maternal use of guilt to control the child, maternal anger toward the child, parental cigarette smoking, parental supervision of the child, paternal assistance to the child's mother, paternal role fulfillment, and maternal verbal abuse were obtained from the DPI and instruments assessing maternal child - rearing attitudes and behaviors that were administered during the maternal interviews.28 - 31 Measures of maternal punishment, parental affection toward the child, parental time spent with the child, and poor parental communication with the child were administered during the maternal and offspring interviews using scales assessing parental warmth, parent - child communication, and parental support and availability.28, 29,31 Data regarding parental home maintenance and maternal behavior during the interview were provided by interviewer observations.

Overall, HCMO obtained data on 93 % of the original sample, with approximately 50 % of observations missing at any time point (see Figure 1).