Sentences with phrase «radio observations»

Lack of sensitivity and resolution in radio observations has made it difficult to observe these phenomena.

In 1995, radio observations hinted at the star's high velocity.

The series of radio observations measured the temperature of the star's atmosphere at different heights.

The spin of a black hole plays a role in the production of the jets that are often seen in radio observations.

This image reveals the distribution of cold gas that can not be seen in optical spectrums by combining the results of radio observations with ALMA and the optical observations.

Now, as astronomers report online today in Nature, the x-ray data as well as radio observations indicate the fireworks caused a narrow jet of material to shoot away from the black hole's outskirts.

However, the lack of radio observations by the Cassini spacecraft during two close flybys and the lack of optical detections by Venus Express as well as ground - based observers leave the question of Venusian lightning somewhat unresolved (Yair et al. 2008; Yair 2012).

Dr. Lockman's area of research is the structure and evolution of the Milky Way and nearby galaxies, with a special emphasis on radio observations of neutral hydrogen.

New radio observations reveal how ammonia moves about beneath Jupiter's clouds and provide a sneak peek at what NASA's Juno mission will learn later this year.

Past radio observations revealed that gas is circling around the star to form a disk and we see the disk edge - on.

Past radio observations of molecular carbon monoxide (CO) in this region revealed a pair of outflows which was thought to be emitted from a young star, and some other radio sources have been found in addition to a bright object at the center.

They combined observations in the visible and the near infrared from the Hubble Space Telescope with radio observations from the Very Large Array and the Submillimeter Array to explore the effect of the turbulence, stellar radiation, and magnetic field on massive star formation in the galaxy's nuclear ring.

Polarized waves, which are generated under special conditions, provide us with important information that can not be obtained by ordinary radio observations such as magnetic force (magnetic fields) existing in space.

Looking back on the failed radio observations at the turn of the millennium, Disney is eager to make up for lost time and continue the search for the phantom universe's elusive galaxies.

«Radio observations point to likely explanation for neutron - star merger phenomena: Data distinguish between different theoretical models.»

In this case, it looks like there's a more mundane explanation for the original radio observations,» says Williams.

Radio observations reported in Nature purportedly showed a fading radio afterglow associated with the FRB.

Radio observations constrain the energy and geometry of relativistic material ejected from a binary neutron star merger.

Upcoming radio observations from the Low - Frequency Array, based mainly in the Netherlands, and the Hydrogen Epoch of Reionization Array — known as HERA — being built in South Africa could settle the question.

Ongoing radio observations (SMA, JCMT, VLA) of Sirius A are being used to set an observationally determined standard for stellar atmosphere modeling and debris disk studies around A stars, as well as to take the first step toward characterizing potential intrinsic uncertainty in stellar emission at these wavelengths.

The theory that Mercury's rotation was synchronous became widely held, and it was a significant shock to astronomers when radio observations in the 1960s questioned this belief.

This unprecedented image of Herbig - Haro object HH 46/47 combines radio observations acquired with the Atacama Large Millimeter / submillimeter Array (ALMA) with much shorter wavelength visible light observations from ESO's New Technology Telescope (NTT).

A.H. is PI of the VLA radio programme, provided radio observations, reduction, and analysis, and contributed to figures and manuscript preparation.

First radio observations indicate that OTS44 has formed in the same way as a young star.

The selected site satisfies all the necessary conditions for radio observations such as dry air with a low rate of water vapor absorption of radio waves and a wide flat space that allows an extended configuration of multiple antennas.

Her research is focused on using radio observations of novae and symbiotic systems to examine the evolution of accreting dwarf galaxies among other things.

Nodland and Ralston said that their analysis of previous radio observations of 160 galaxies, made in the 1970s and 1980s, showed that radiation coming from objects had its direction of polarization rotated by different amounts, depending on the direction of the galaxies.

Hallinan is planning continued radio observations over the next year or two, because this radio emission — which will be around long after all of the other wavelengths have faded — is the most important diagnostic of the energetics and environment of the explosion, and may reveal how much energy was in the explosion, how much mass was ejected, if a jet actually appeared, and if the merger produced conditions that will influence future star formation, among other questions.

A new clue comes from high - resolution radio observations of NGC 253 (shown), an edge - on spiral galaxy just 11 million light - years from Earth and the largest member of the so - called Sculptor galaxy group.

«These new radio observations have given us more insights than infrared observations can provide,» said McGuire.

«We conducted radio observations of carbon monoxide and methanol to explore the details of the distribution and kinematics of gas in the region where high - mass stars are forming in clusters,» Higuchi said.

TOTALLY LIT The first stars in the universe switched on by 180 million years after the Big Bang, radio observations indicate.

Radio observations by ALMA have the advantage of being able to see the gas directly, which is invisible in infrared light.

Dr. Lockman's area of research is the structure and evolution of the Milky Way and nearby galaxies, with a special emphasis on radio observations of neutral...

Herbig - Haro object HH 46/47 seen with visible light observations with ESO New Technology Telescope and with radio observations with ALMA (mouseover comparison).

Also, the radio observation results of molecular line emission of methanol revealed in vivid detail an hourglass structure created by gas outflows spreading outward while thrusting the ambient gas cloud away.

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

Recent gravitational - wave discoveries by LIGO, as well as recent progress in X-ray, gamma ray and radio observations, have opened an unprecedented observational window into black holes and neutron stars.

The radio observations have revealed a size of the fireball, unobtainable by any other technique, thereby enabling astronomers to learn about inner workings of such objects,» said Shri Kulkarni, professor of astronomy at the California Institute of Technology (Caltech).

As it turns out, radio observations of this source have also reported monotonically brightening emission.

Astronomer Vera Cooper Rubin found over decades of radio observations that the rotational velocity of clouds of ionized hydrogen (HII regions) in spiral galaxies like the Milky Way was not decreasing at increasing distance from their galactic cores, like the velocity of the planets around the Sun.

On October 16, 2002, the European Southern Observatory (ESO) announced that a team of astronomers (led by researchers at the Max - Planck - Institute for Extraterrestrial Physics (MPE)-RRB- had developed strong evidence of the existence of a supermassive central black hole in the Milky Way, by plotting out about two - thirds of S2's orbit around an apparent superdense object, using direct infrared and radio observations of the star's orbital motion since 1992.