Not exact matches
Rampadarath explains: «Comparing the VLA images
at radio
wavelengths to Chandra's X-ray observations and the hydrogen -
emission detected by Hubble, shows that features are not only connected, but that the radio outflows are in fact the progenitors of the structures seen by Chandra and Hubble.
The picture which emerges is one of a twisting jet whose
emission is amplified
at different
wavelengths at different times, by the «lighthouse effect.»
The instrument is sensitive to near - infrared light, the
wavelengths at which the
emissions of extremely distant galaxies — stretched by the expansion of space — shine most brightly.
WISE 0855 is too faint for conventional spectroscopy
at optical or near - infrared
wavelengths, but thermal
emission from the deep atmosphere
at wavelengths in a narrow window around 5 microns offered an opportunity where spectroscopy would be «challenging but not impossible,» he said.
What is more, because Jupiter's microwave
emissions vary in
wavelength based on the pressure (as well as temperature) of the atmospheric layers where they originate, observations
at multiple
wavelengths allow researchers to create a cross-section through the atmosphere.
Now, in a study published in Nature Nanotechnology on January 11th 2016 (online), a team of MIT researchers describes another way to recycle light emitted
at unwanted infrared
wavelengths while optimizing the
emission at useful visible
wavelengths.
At short
wavelengths the ripples might have been caused by
emission from dust in the Galaxy.
But for one lengthy interval during the observations, the team spotted
emissions from hydrogen (
at a
wavelength of 121.6 nanometers) in the same region.
Working
at the IRAM Plateau De Bure interferometer in the French Alps, the researchers gathered data in the millimetre band, which allows observation of the
emission from the cold gas which is the primary fuel for star formation and main ingredient of galaxies, but is almost invisible
at other
wavelengths.
These so - called relativistic jets produce strong
emission at radio
wavelengths.
Beyond the
wavelength coverage of the space - borne observatories, the spectra taken in Hawaii even turned up a curious new feature — a boost in
emissions of unknown origin
at wavelengths of about 3.3 microns.
Marengo said the study looked
at two different infrared
wavelengths: the shorter was consistent with a typical star and the longer showed some infrared
emissions, but not enough to reach a detection threshold.
To prove their concept of this multiplex spectral microgel analysis within a microfluidic flow, the team used «different barcodes corresponding to different
emissions at specific
wavelengths and the fluorescence intensity of known microRNA concentration,» which was measured for calibrations of the specific microRNA being explored.
The team determined this by detecting two types of carbon monoxide signatures, an absorption signature
at a
wavelength of about 1.6 micrometers and an
emission signature
at about 4.5 micrometers.
Los Alamos National Laboratory has produced the first known material capable of single - photon
emission at room temperature and
at telecommunications
wavelengths.
This might indicate that smaller (and warmer) dust grains are responsible for the 100 μm
emission than
at the longer
wavelengths, in agreement with the theoretical predictions of van Marle et al. (2011).
«Ideally, a single photon emitter will provide both room - temperature operation and
emission at telecom
wavelengths, but this has remained an elusive goal.
Los Alamos National Laboratory researchers have produced the first known material capable of single - photon
emission at room temperature and
at telecommunications
wavelengths, using chemically functionalized carbon nanotubes.
At millimetre
wavelengths emission from the CO molecule allows astronomers to obtain high - resolution maps of the gas
emission from the strong stellar wind generated by the AGB stars.
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.
Natural astronomical masers — the analog of laser
emission at microwave
wavelengths — are one class of coherent sources, but these emit in specific
wavelengths.
Both the temperature and composition determines the star's energy
emission at different
wavelengths.
Okay, one little nit - picky issue with Q2 is that O2 and N2 actually DO absorb infrared radiation, just
at shorter
wavelengths than matter for the Earth's infrared
emission spectrum (3 - 27 microns, with a peak around 9 microns or so).
The European X-ray Observatory Satellite (EXOSAT), developed by the European Space Agency, was capable of greater spectral resolution than the Einstein Observatory and was more sensitive to X-ray
emissions at shorter
wavelengths.
Therefore, the research group targeted molecular line
emissions from hydrogen cyanide (HCN), formyl ion (HCO +), and hydrogen sulfide (CS)
at millimeter / submillimeter
wavelengths (* 4) in the galaxy called NGC 1097 (about 50 million light years away) with the ALMA Telescope in the Atacama Desert in Chile.
The new identification method is based on molecular line
emission at submillimeter
wavelengths.
A number of similar black hole exploration methods have also been proposed in optical / infrared spectra so far, but one crucial problem is that
emissions at these
wavelengths are absorbed by interstellar dust particles although the more active black holes contain more dust particles.
That first quasar and others identified later puzzled astronomers because, when their light was analyzed to find the characteristic «signature» of
emission at specific
wavelengths shown by particular atoms, the pattern was
at first indecipherable.
Nuclei were stained with Hoechst 33342 (5 μg / ml) and observed by a fluorescence microscope equipped with U-MWU optical filters with a U-MWU optical filter
at an excitation
wavelength of 355 nm and an
emission wavelength of 420 nm.
They observed L1551 NE in the
emission from dust
at a 0.9 - mm
wavelength, a tracer of distribution of interstellar materials, and carbon monoxide molecular
emission, which can be used to study gas motion with the Doppler Effect.
The goal of the research group is to establish a new exploration method using as reference various molecular / atomic
emission lines which can be observed
at millimeter / submillimeter
wavelengths (* 3).
However, the original Green Bean population show little to no
emission at radio
wavelengths.
The fluorescence emitted by Hoechst 33342 was viewed using a fluorescence microscope, equipped with U-MWU optical filters
at excitation /
emission wavelengths of 330-385/420 nm.
LOS ALAMOS, N.M., July 31, 2017 — Los Alamos National Laboratory has produced the first known material capable of single - photon
emission at room temperature and
at telecommunications
wavelengths.
In Pascucci et al. (2012) we demonstrated that free - free
emission from a fully or partially ionized disk surface is detectable with current instruments and appears as
emission in excess to the dust thermal
emission at centimeter
wavelengths.
Calcein - AM and Hoechst were added
at the end of the treatment for 10 minutes and the developed fluorescence was measured in assay buffer in a Victor3 plate reader (Hoechst
at excitation and
emission wavelengths of 355 nm and 465 nm, respectively and calcein
at excitation and
emission wavelengths of 485 nm and 535 nm, respectively).
The fluorescence emitted by the cells was viewed using a fluorescence microscope, equipped with U-MWB2 optical filters
at excitation /
emission wavelengths of 460 ~ 490/520 nm.
Abstract: Debris discs are typically revealed through excess
emission at infrared
wavelengths.
In practice, mono - atomic and symmetrical diatomic gas molecules have negligible
emission / absorption
at most
wavelengths including thermal infrared.
Using the HIgh Precision Polarimetric Instrument (H... ▽ More Debris discs are typically revealed through excess
emission at infrared
wavelengths.
This excess
emission has been suggested to stem from debris di... ▽ More (abridged) Infrared excesses associated with debris disk host stars detected so far peak
at wavelengths around ~ 100 -LCB- \ mu -RCB- m or shorter.
Intensity as recorded in zebrafish (crosshairs in Fig. 4a show where measurement took place)
at an excitation
wavelength of 633 nm and scanned for
emission at 11 nm intervals from 654 nm to 794 nm.
Here, f (λex) is the absorption factor
at the excitation
wavelength λex, F the integral
emission intensity, i.e., the area under the blank and spectrally corrected
emission spectrum on a
wavelength scale, and n the refractive index of the solvent (s) used.
We have clearly detected FIR dust
emission extended in the halo of the galaxy; there are two filamentary
emission structures extending from the galactic disk up to 9 kpc in the northern and 6 kpc in the northwestern direct... ▽ More We present new far - infrared (FIR) images of the edge - on starburst galaxy NGC253 obtained with the Far - Infrared Surveyor (FIS) onboard AKARI
at wavelengths of 90 um and 140 um.
The shifts in
emission peaks are significant; however, absorption shows little to no spectral shift, presumably due to the ratio sorting protocol used
at a constant excitation
wavelength of 568 nm.
The radio
emission rose and fell several times, and the relative intensity
at different radio
wavelengths also changed.
We refer to that thermal radiation
at longer
wavelengths as «dusty
emission» because it's coming from the dust.
Fluorescence intensities were measured
at an excitation
wavelength of 340 or 380 nm and an
emission wavelength of 510 nm, with a fluorescence spectrometer (Hitachi F - 2500) during stimulation as indicated in Fig. 5.
The reason for this is as follows: Carbon dioxide has three absorption bands
at wavelengths of 4.26, 7.52, and 14.99 micrometers (microns).13 The Earth's
emission spectrum, treated as a black body (no atmospheric absorption), peaks
at between 15 and 20 microns, and falls off rapidly with decreasing
wavelength.
Okay, one little nit - picky issue with Q2 is that O2 and N2 actually DO absorb infrared radiation, just
at shorter
wavelengths than matter for the Earth's infrared
emission spectrum (3 - 27 microns, with a peak around 9 microns or so).