Sentences with phrase «emissions lines»

This band covers a wide range of radio emission lines from various atoms and molecules, and one of the most attractive targets is the emission from atomic carbon at 0.6 mm.

In one figure in the paper, the highest - emissions pathway was depicted with an orange line, with the lowest - emissions line in blue.

The broad emission lines are produced by gas clouds moving at about 10,000 kilometers / second.

Extremely strong emission lines mentioned above can be explained by our interpretation consistently.

The width of the absorption lines from the stars or the radio emission lines from the gas in a galaxy depend on the amount of stellar motion in the galaxy.

A new study presents the first measurements of the changing strengths of oxygen emission lines from the present day and back to 12.5 billion years ago.

The study presents the first measurements of the changing strengths of oxygen emission lines from the present day and back to 12.5 billion years ago.

«We frequently see the Lyman - alpha emission line of hydrogen in nearby objects as it is one of most reliable tracers of star - formation,» said California Institute of Technology (Caltech) astronomer, Adi Zitrin, lead author of the discovery paper.

Type I supernovae happen in close binary systems and do not show strong hydrogen emission lines.

Instead their spectra are dominated by broad emission lines of highly ionized helium, nitrogen, carbon and sometimes oxygen.

Alpha Centauri C, also known as Proxima Centauri, is of spectral class M6 Ve, a small main - sequence star (Type V) with emission lines.

By measuring the velocity of gas clouds, they estimated the mass of each galaxy, and by studying the spectral emission lines emitted by material taking a death plunge into the coresponding hole, they estimated the mass of the hole.

Abstract: Extremely strong ionized Fe emission lines, with the equivalent width reaching about 4000 eV, were discovered with ASCA from a few Galactic compact objects, including AX J2315 - 0592, RX J1802.1 +1804 and AX J1842.8 - 0423.

As emission lines are narrow and redshifted, they act as testifiers of four different time slices (one for each filter) of the universe's history.

The net result is that the sharp emission line is smeared into a broad, asymmetrical hump — and the broader the hump, the faster the iron must be moving and the closer it must be to the black hole.

The luminosity of the galaxy is found from the width of the 21 - cm emission line and the distance is then derived using the apparent brightness and the inverse square law.

Abstract: We present an analysis of CO emission lines from a sample of T Tauri, Herbig Ae / Be, and transitional disks with known inclinations, in order to study the structure of inner disk molecular gas.

Otherwise, HD110432 and gamma Cas share similarly peculiar X-ray and optical characteristics such as high X-ray temperature, erratic X-ray variability on timescales of a few hours, optical emission lines, and submigrating features in optical line profiles.

For me and the rest of the HiMARC team, the transit provided a great opportunity to test our Atmospheric Lensing technology using a narrowband (7 nm) etalon interferometer tuned to the hydrogen alpha emission line on a 90 mm refractor (this means we were able to filter out most of the light spectrum and only photograph a narrow portion in which hydrogen emits light.

Having thus established a target list, we will use the multi-object IR spectrograph FLAMINGOS - 2 on Gemini - South to carry out a spectroscopic survey of the candidate counterparts, to search for emission line signatures which are a hallmark of accreting binaries.

The complete disappearance of flash - ionized emission lines within the first several days requires that the dense CSM be confined to within ≲ 1015 cm, consistent with radio non-detections at 70 — 100 days.

These star - formation rate estimators include the ultraviolet light that is emitted from young stars, the infrared light that shows how much of the ultraviolet light was absorbed by dust, and the nebular emission lines that are caused by young stars making the clouds of gas around them glow and radiate.

Shao and collaborators also detect signatures that indicate that the [C II] emission line originates from a rotating gas disk.

We characterize the main emission lines found in the spectrum, which primarily arise from a range of components associated with Orion KL including the hot core, but... ▽ More We present the first high spectral resolution observations of Orion KL in the frequency ranges 1573.4 - 1702.8 GHz (band 6b) and 1788.4 - 1906.8 GHz (band 7b) obtained using the HIFI instrument on board the Herschel Space Observatory.

We characterize the main emission lines found in the spectrum, which primarily arise from a range of components associated with Orion KL including the hot core, but also see widespread emission from components associated with molecular outflows traced by H2O, SO2, and OH.

I can't make the photo big, it looks like evaporative emissions line.

With NIRES it will be possible to measure emission lines from the dominant primary volatile (H2O) at 2.0 µm in (active) distant comets.

«We were really concentrating on studying the dust in the filaments with SPIRE, and out pops these two bright emission lines exactly where we see the dust shining,» says Dr Gomez.

The extreme ultraviolet spectra of Stars Aa and Ab display the presence of iron emission lines from Fe XV to Fe XXIV (more).

Type Ib have strong helium emission lines and Type Ic do not.

It was something the team had hoped to see for years, and when the telltale, broad - emission lines showed up on the Keck Observatory monitors, the mood in the room lit up.

Class W is further divided into subclasses according to the relative strength of nitrogen and carbon emission lines in their spectra (and outer layers).

Left - bottom: Variation of quantum dot emission line frequencies as a function of time due to vibrations of the photonic crystal membrane.

Thorough analysis finally revealed an underlying, much broader, line: the coronal emission line from ionized iron.

The German Aerospace Center (DLR) measures such emission lines with high precision within the US - German SOFIA project.

«And the ability to recognize the OH emission line is pretty cool.»

At optical wavelengths, high resolution spectroscopy can be used to determine nuclear spin temperatures in NH3 and H2O through emission lines of their dissociation products NH2 and H2O +.

Hubble's Faint Object Spectrograph (replaced by the STIS spectrograph in 1997) was used to observe hydrogen and nitrogen emission lines from gas in the disk.

We also notice a short lived emission line of Fe II at 2.0888 micron which was present between April 9, 2008 to May 9, 2008.

Around the accretion disk are relatively dense clouds of hot gas that could be responsible for the broad emission lines seen in Type 1 Seyferts.

The left image is a three - color composite, taken in blue, green, and red emission lines from glowing gas in the nebula.

After a few days the gas has expanded and thinned out enough to just produce blue - shifted emission lines.

They have a strong ionized silicon emission line at 615 nm.