Sentences with phrase «radio telescope observations»

Clearly these days we don't need buildings or meridian lines to measure time — we use atomic clocks and radio telescope observations of quasars.

UT1 is determined from measurements of the rotation of the Earth by various means including radio telescope observations of quasars (distant galaxies powered by supermassive black holes).

In the past, radio telescope observations of protoplanetary disks have provided some support for gravitational instability.

Thirteen unexplained radio blips have turned up in radio telescope observations since the 1980s.

Not exact matches

«Our observations with the ATCA and ALMA radio telescopes have shown signs of something never seen before, located at the centre or the remnant.

«The observations we make with the EVLA will be complementary with what they do at ALMA and at other radio telescopes,» McKinnon adds.

More than 40 telescopes in the northern hemisphere took thousands of observations in the visible, radio, and near infrared ranges, which enabled the production of detailed light curves.

«For the onboard measurements to be meaningful, we needed to develop a model that predicted the arrival times using ground - based observations provided by our collaborators at radio telescopes around the world,» said Paul Ray, a SEXTANT co-investigator with the U. S. Naval Research Laboratory.

Simultaneous worldwide observations with radio telescopes should help theorists determine just how the black hole releases energy.

Radio observations were made by the GBT, the Parkes radio telescope, the Australia Telescope Compact Array, and the Westerbork Synthesis Radio TelesRadio observations were made by the GBT, the Parkes radio telescope, the Australia Telescope Compact Array, and the Westerbork Synthesis Radio Telesradio telescope, the Australia Telescope Compact Array, and the Westerbork Synthesis Radio TelesRadio Telescope.

Additional observations and archival data from other telescopes confirmed the on - again, off - again cycle of X-ray and radio pulsations.

Upon closer examination of the data — compiled from nearly 500 hours of observation by the 64 - meter Parkes radio telescope in Australia — a team led by astronomer Duncan Lorimer of West Virginia University in Morgantown estimated that the blast actually came from about 3 billion light - years away.

In their new paper, Pineda and colleagues report discovering the star system in the act of forming within the «stellar nursery» region of the constellation Perseus by following up on intriguing observations made by the Very Large Array (VLA), an astronomical radio observatory in Socorro, N.M., and the Green Bank Telescope (GBT), the world's largest fully steerable radio telescope, in West Virginia.

In this way, observations by ALMA and other radio telescopes complement those of optical telescopes.

SETI efforts to date have only garnered a small, scattered amount of time on large radio telescopes, and they typically «piggyback» on other scientific observations, passively listening to whatever target other astronomers are investigating.

«In the future, new, giant radio telescopes like FAST (Five hundred meter Aperture Spherical Telescope) and SKA (Square Kilometre Array) will allow us to make even more detailed observations of these extreme and exciting events,» concludes Jun Yang.

Extremely sharp observations of the event Swift J1644 +57 with the radio telescope network EVN (European VLBI Network) have revealed a remarkably compact jet, shown here in yellow.

This is important for other radio, optical, X-ray and gamma - ray telescopes so they can follow up observations of these cosmic events with their own observation.

Observations made with the Spitzer Space Telescope yielded a diameter nearer 2600 km, and another group, using the IRAM radio telescope in Spain, upped the value to something closer to 3000 km.

«Observations with the next generation of radio telescopes will tell us more about what actually happens when a star is eaten by a black hole — and how powerful jets form and evolve right next to black holes,» explains Stefanie Komossa, astronomer at the Max Planck Institute for Radio Astronomy in Bonn, Gerradio telescopes will tell us more about what actually happens when a star is eaten by a black hole — and how powerful jets form and evolve right next to black holes,» explains Stefanie Komossa, astronomer at the Max Planck Institute for Radio Astronomy in Bonn, GerRadio Astronomy in Bonn, Germany.

Observations of two galaxies made with the National Science Foundation - funded Atacama Large Millimeter / submillimeter Array (ALMA) radio telescope suggest that large galaxies formed faster than scientists had previously thought.

A month later, follow - up observations with the Lovell radio telescope in Cheshire, UK, revealed periodic variations in the pulsar's signals, indicating the existence of an orbiting companion with the mass of a planet.

Its location in the National Radio Quiet Zone and the West Virginia Radio Astronomy Zone protects the incredibly sensitive telescope from unwanted radio interference, enabling it to perform unique observatRadio Quiet Zone and the West Virginia Radio Astronomy Zone protects the incredibly sensitive telescope from unwanted radio interference, enabling it to perform unique observatRadio Astronomy Zone protects the incredibly sensitive telescope from unwanted radio interference, enabling it to perform unique observatradio interference, enabling it to perform unique observations.

Until now, the SETI project has relied on time borrowed from instruments like the Arecibo radio telescope in Puerto Rico, and has had little control over the extent and nature of the observations.

After a few months of check - out, the team will begin to coordinate observations with telescopes on the ground, including two 100 - metre radio telescopes — in Green Bank, West Virginia, and Effelsberg, Germany, and the 305 - metre Arecibo telescope in Puerto Rico.

The observations have involved dozens of telescopes around the world and in space and at wavelengths from visible light through the infrared to radio.

Since each molecule has its own frequency spectrum, we can identify the chemical composition and the environment of a remote target object through observations with a radio telescope.

Built in 1962 to make repeated observations of a small list of radio sources, it is an unabashedly old - fashioned telescope:

Recently, Hallinan et al. (2015) reported simultaneous radio and optical spectroscopic observations (obtained with the Karl G. Jansky Very Large Array (VLA) radio telescope and the Double Spectrograph (DBSP) on the 5.1 - m Hale telescope, respectively) of auroral emissions of an object at the end of the stellar main sequence (i.e. at the boundary between stars and brown dwarfs).

Science Interests Formation of galaxies and black holes in the early universe and their growth over cosmic time; large surveys with Hubble and other telescopes to discover new populations of distant galaxies and black holes; physical properties of active galactic nuclei using observations from radio, infrared, optical, ultraviolet through to X-ray energies.

The International LOFAR Telescope has issued a Call for Proposals with a submission deadline of Wednesday 8 March 2017, 12 UT The International LOFAR Telescope (ILT), a powerful next - generation radio telescope, offering synthesis imaging, beam - formed and time - series observing modes at frequencies below 240 MHz, solicits proposals from the international astronomical community for observations to be -LSB-...]

However, the weak radio emission from molecules often made the observations difficult and took us many days for signal detection using conventional radio telescopes.

Since the research team had already conducted radio observations of various molecular emissions in this galaxy with the 45 - m telescope at the Nobeyama Radio Observatory of NAOJ, they aimed to develop their research further with ALMA and identify the difference in chemical composition between AGNs and starburst regradio observations of various molecular emissions in this galaxy with the 45 - m telescope at the Nobeyama Radio Observatory of NAOJ, they aimed to develop their research further with ALMA and identify the difference in chemical composition between AGNs and starburst regRadio Observatory of NAOJ, they aimed to develop their research further with ALMA and identify the difference in chemical composition between AGNs and starburst regions.

ALMA telescope successfully captured its first radio image with Band 4 receiver developed by Japan in an ALMA test observation conducted in January 2013.

Though no longer used for routine scientific observations, the 140 - foot telescope still supports astronomical research through its current mission as one of only two Earth stations for the RadioAstron satellite — the farthest element of an Earth - to - space - spanning radio telescope system.

The scientists used the National Science Foundation's Very Long Baseline Array (VLBA), a continent - wide radio - telescope system, along with the 100 - meter radio telescope in Effelsberg, Germany, to make an extremely precise observation when the planet Jupiter passed nearly in front of a bright quasar on September 8, 2002.

78 world - leading experts in their area of astronomical research scientifically evaluated the 1,381 proposals received for Cycle 2 Early Science observations with the radio telescope, which represent a demand of more than 7.000 hours of observation.

The International LOFAR Telescope (ILT), a powerful next - generation radio telescope, offering synthesis imaging, beam - formed and time - series observing modes at frequencies below 240 MHz, solicits proposals from the international astronomical community for observations to be made during Cycle - 8, that will last between 15 May 2017 and 14 November 2017.

The 140 - foot telescope was inaugurated in 1965 and retired from routine observations in 2001 to make way for the 100 - meter Robert C. Byrd Green Bank Telescope (GBT), the world's largest fully steerable radio telescope.

HALCA was launched in 1997 and made astronomical observations in conjunction with ground - based radio telescopes from 14 countries.

«For the onboard measurements to be meaningful, we needed to develop a model that predicted the arrival times using ground - based observations provided by our collaborators at radio telescopes around the world,» says Paul Ray, co-investigator on the SEXTANT project.

Another of his recent work, on how to strategically point telescopes to find electromagnetic counterparts to gravitational wave sources, was adapted for observations by the Very Large Array radio telescope in New Mexico, which successfully observed radio emission from the merger.

This is surprising because observations with radio telescopes have previously shown that the disk contains dust that has conglomerated into pebbles.

The catch with fast radio bursts, notes Vandenbroucke, is that they are mostly random and they last for only a few milliseconds, too fast to routinely detect or conduct follow - up observations with radio and optical telescopes.

The interference patterns of the telescopes» combined radio wave observations told astronomers about position, size, and strength of objects in space.

Within the first year of GBI observations, the major astronomy report from the National Academy of Sciences recommended the immediate funding and building of a large - scale radio telescope array as a national science facility.

A team of astronomers says that observations with the National Science Foundation's Very Large Array radio telescope show that a neighboring bloated star has giant convective plumes propelling gas from its surface up into the star's atmosphere.

Before this, all observations at this wavelength were made with single dish radio telescopes.

Observations of Comet Hyakutake with the National Science Foundation's millimeter - wave radio telescope in Arizona have revealed new information about our Solar System's original material, including the first detection of the Carbonyl Sulfide (OCS) molecule in a comet.

In the 1960s, we wanted to build an array of radio telescopes called an interferometer that simulates a larger telescope from the combined observations of strategically - aligned smaller ones.