Results 31 to 40 of about 6,825 (205)
Nukleonika, 2023 Low-temperature plasma production is possible as a result of photoionization using high-intensity extreme ultraviolet (EUV) and soft X-ray (SXR) pulses. Plasma of this type is also present in outer space, e.g., aurora borealis.
Majszyk Mateusz +6 more
doaj +1 more source
ACTIVIVE PHENOMENA OBSERVED IN ATMOSPHERIC LINES OF THE HERBIG AE STAR HD163296
Odessa Astronomical Publications, 2008 We present new results of a high- resolution spectroscopic investigation of the young Ae Herbig star HD163296. Nineteen spectra of this object had been obtained on May 8 - 10, 2002 at the ESO with the FEROS high-resolution echelle spectrometer (R=48000 ...
M. A. Pogodin +4 more
doaj +1 more source
CHIRON - A Fiber Fed Spectrometer for Precise Radial Velocities
, 2013 The CHIRON optical high-resolution echelle spectrometer was commissioned at the 1.5m telescope at CTIO in 2011. The instrument was designed for high throughput and stability, with the goal of monitoring radial velocities of bright stars with high ...
Bonati, Marco +7 more
core +1 more source
The M Dwarf GJ 436 and its Neptune-Mass Planet [PDF]
, 2006 We determine stellar parameters for the M dwarf GJ 436 that hosts a Neptune-mass planet. We employ primarily spectral modeling at low and high resolution, examining the agreement between model and observed optical spectra of five comparison stars of type,
A. T. Shreve +15 more
core +3 more sources
Design and Implementation of a Compact Echelle Spectrometer
DEStech Transactions on Engineering and Technology Research, 2018 As a special kind of spectrometers, echelle spectrometer features wide spectral range and full spectrum direct reading. However, the two-dimensional dispersion of the echelle grating usually leads to complex structure and aberration conditions, which impacts the resolution. In this work, a compact echelle spectrometer with wide detection range and high
XIAO FU, FA-JIE DUAN, YANG LI
openaire +2 more sources
CHIRON – A new high resolution spectrometer for CTIO
EPJ Web of Conferences, 2011 Small telescopes can play an important role in the search for exoplanets because they offer an opportunity for high cadence observations that are not possible with large aperture telescopes.
Marcy G.W. +4 more
doaj +1 more source
CIRCUMSTELLAR ACTIVITY OF THE HERBIG AE STAR HD163296
Odessa Astronomical Publications, 2007 We present new results of a high-resolution spectroscopic investigation of the young Ae Herbig star HD163296. Nineteen spectra of this object had been obtained on May 8 - 10, 2002 at the ESO with the FEROS echelle spectrometer installed at the 1.52m ...
M. A. Pogodin +4 more
doaj +1 more source
The Astrophysical Journal, 2023 We present in this paper mid-infrared (5–8 μ m) spectroscopy toward the massive young binary W3 IRS 5, using the Echelon Cross Echelle Spectrograph (EXES) spectrometer in high-resolution mode ( R ∼ 50,000) from the NASA Stratospheric Observatory for ...
Jialu Li +11 more
doaj +1 more source
Structured light illumination for order sorting in Echelle spectrometers
Optics Express, 2017 نبلغ عن تشغيل مطياف الدرجة تحت إضاءة ضوئية منظمة. يتم ترميز كل ترتيب حيود لمقياس الطيف ببنية دورية معينة تسمح بفرز الترتيب عن طريق التحليل العددي بعد الكشف. على النقيض من مقاييس طيف الدرجة المتقاطعة، تتداخل الطلبات في هذا النهج عند مستوى الكشف بحيث يمكن إجراء المعايرة الطيفية بسهولة بطول موجي مرجعي واحد.
Óscar Martínez-Matos +2 more
openaire +3 more sources
Testing of an Echelle Spectrometer as a LIBS Detector at Sandia [PDF]
, 2001 Some useful information has been obtained regarding the potential use of the echelle spectrometer system for Laser-Induced Breakdown Spectroscopy (LIBS) monitoring applications, despite the AOTF-computer operational problems during the Sandia site-test.
Baldwin, David P. +3 more
openaire +2 more sources