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VizieR J/A+A/708/A46

New in the #VirtualObservatory: “NOCTURNE narrow-line Seyfert 1 radio spectrum” by Berton M. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/708/A46
#RadioGalaxies #Redshifted #Spectroscopy

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🤝 Member Benefit Spotlight:

Another big perk you get when joining SAS is the ability to develop your career through different training and networking opportunities. Learn more about why you should join today: bit.ly/3LRexPF

#SAS #Spectroscopy #MemberBenefits #Networking #ProfessionalGrowth

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Combined, these two factors leave no doubt about the regioselectivity of the alkylation. Did the J values lead you to the right answer, or did you rely on the CH2 shift? Let’s discuss in the comments! 👇
#NMR #spectroscopy #chemistry #organicchemistry #regioselectivity #structureelucidation

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VizieR J/A+A/708/A20

New in the #VirtualObservatory: “Redshift and reddening of 125 QSOs behind M31” by Nedialkov P. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/708/A20
#Spectroscopy #ActiveGalacticNuclei #Photometry #Quasars

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Characterizing the Atmosphere of Exoplanet WD 0806b with JWST A recent study uses high-resolution JWST observations to perform an atmospheric analysis of a rare exoplanet orbiting a dead star. The ...

#Features #Highlights #chemical #abundances #exoplanets #JWST […]

[Original post on aasnova.org]

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Flyer for the WiCOR Lecture in Spring 2026, presented by Victoria Meadows with a photo of the speaker, a graphic of a magnifying glass looking at a planet, and a gradient background from dark blue to bright purple, along with the WiCOR and UW-Madison Logos.

Flyer for the WiCOR Lecture in Spring 2026, presented by Victoria Meadows with a photo of the speaker, a graphic of a magnifying glass looking at a planet, and a gradient background from dark blue to bright purple, along with the WiCOR and UW-Madison Logos.

The Search for Living Worlds Beyond the Solar System 🔭

Don't miss the next WiCOR Lecture from Dr. Victoria Meadows (SETI Institute)!

📆 Wed. April 22 at 7:00 PM
📍The Marquee at Union South

🔗go.wisc.edu/wicor-lecture-sp2026

🧪 #Astrobiology #exoplanets #biosignatures #spectroscopy

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Your leadership, innovation, and dedication continue to advance the field of spectroscopy worldwide.

#SAS #Spectroscopy #Fellows #Awards #ScientificExcellence

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Abstract:  There is a need for in-field actinide measurements in support of nuclear forensic, safeguards, and environmental monitoring missions. Traditional methods of inorganic/elemental analysis, such as inductively coupled plasma mass spectrometry (ICP-MS), have high operational overheads, making these platforms ill-suited for this task. The liquid sampling–atmospheric pressure glow discharge (LS-APGD) ionization source is a proven microplasma ionization source with significantly reduced operational overhead as compared to ICP-MS; however, most studies to date have focused on coupling the LS-APGD to an ultrahigh resolution Orbitrap mass spectrometer. While the Orbitrap mass spectrometer is a benchtop instrument, it is quite complex with a large footprint and requires extremely low mass analyzer pressures. The Advion ExpressionL compact mass spectrometer (CMS) is a compact, easily transported single quadrupole mass spectrometer platform that was previously coupled with the LS-APGD to measure multielement/metal solutions, albeit not actinides. To this end, this manuscript reports the optimization of the LS-APGD with the Advion ExpressionL CMS mass spectrometer platform specifically for in-field actinide (uranium and thorium) measurements. This is the first report on the optimization of the dual-electrode LS-APGD on the CMS, including a modified ion sampling geometry. This also includes the first analysis of thorium using the LS-APGD, regardless of mass spectrometer coupling. After establishing that the LS-APGD and the mass spectrometer operations could be optimized independently, the LS-APGD discharge conditions were optimized with a design of experiments approach, with the mass spectrometer parameters optimized by a full factorial study. Once fully optimized, limits of detection of 0.2 ng total analyte mass were found for both uranium and thorium, below the EPA requirements for drinking water.

Abstract: There is a need for in-field actinide measurements in support of nuclear forensic, safeguards, and environmental monitoring missions. Traditional methods of inorganic/elemental analysis, such as inductively coupled plasma mass spectrometry (ICP-MS), have high operational overheads, making these platforms ill-suited for this task. The liquid sampling–atmospheric pressure glow discharge (LS-APGD) ionization source is a proven microplasma ionization source with significantly reduced operational overhead as compared to ICP-MS; however, most studies to date have focused on coupling the LS-APGD to an ultrahigh resolution Orbitrap mass spectrometer. While the Orbitrap mass spectrometer is a benchtop instrument, it is quite complex with a large footprint and requires extremely low mass analyzer pressures. The Advion ExpressionL compact mass spectrometer (CMS) is a compact, easily transported single quadrupole mass spectrometer platform that was previously coupled with the LS-APGD to measure multielement/metal solutions, albeit not actinides. To this end, this manuscript reports the optimization of the LS-APGD with the Advion ExpressionL CMS mass spectrometer platform specifically for in-field actinide (uranium and thorium) measurements. This is the first report on the optimization of the dual-electrode LS-APGD on the CMS, including a modified ion sampling geometry. This also includes the first analysis of thorium using the LS-APGD, regardless of mass spectrometer coupling. After establishing that the LS-APGD and the mass spectrometer operations could be optimized independently, the LS-APGD discharge conditions were optimized with a design of experiments approach, with the mass spectrometer parameters optimized by a full factorial study. Once fully optimized, limits of detection of 0.2 ng total analyte mass were found for both uranium and thorium, below the EPA requirements for drinking water.

New from Applied Spectroscopy!
Development of a Field-Deployable #Mass #Spectrometry System for Nuclear Forensics Applications Using Liquid Sampling–Atmospheric Pressure Glow Discharge as an Ion Source
https://doi.org/10.1177/00037028251405294
#SAS #Spectroscopy #thorium #uranium #detection

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Sloan Digital Sky Survey V: Pioneering Panoptic Spectroscopy SDSS-V marks a breakthrough in spectroscopic surveys, combining optical and near-infrared capabilities for extensive, high-resolution astronomical mapping.

The Sloan Digital Sky Survey V is changing astronomy with all-sky, multi-epoch spectroscopic mapping - optical to infrared, millions of targets, time-domain & spatial detail never seen before: www.azooptics.com/News.aspx?ne... #Astronomy #Spectroscopy #SDSSV

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VizieR J/A+A/707/A347

New in the #VirtualObservatory: “Blazar candidates of uncertain type” by Chen G. et al.
cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/707/A3...
#Spectroscopy #Quasars #RadioSources #VisibleAstronomy

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VizieR J/A+A/707/A315

New in the #VirtualObservatory: “Transit light curves of NGTS-5b” by Wang W. et al.
cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/707/A3...
#KStars #Exoplanets #Spectroscopy #MultipleStars

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Sponsored by the Coblentz Society and the Society for Applied Spectroscopy (SAS).

#SAS #Spectroscopy #SLAM2026 #StudentsInScience #EarlyCareer #SciX

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Abstract:  Chromium-doped zinc selenide (Cr:ZnSe) crystals are the gain media of choice for mid-infrared lasers operating over a 1.9–3.4 µm spectral range. In this study, we used laser-induced breakdown spectroscopy (LIBS) of Cr:ZnSe polycrystalline materials to improve the sensitivity of detecting chromium concentration in the laser-active materials. The fundamental harmonic of a Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) laser was used as an excitation source. After calibration of the LIBS signal, we calculated that chromium's limit of detection (LOD) was 30 parts per million (ppm). Normalization of the Cr(I) intensity peak at 357.9 nm by the square root of the Zn(I) peak at 636.2 nm reduced the LOD to 20 ppm and increased the coefficient of determination to R² ≈ 0.98. These results demonstrate the potential of LIBS for microscale mapping of dopant distributions in laser crystals and for on-site monitoring of material quality during fabrication.

Abstract: Chromium-doped zinc selenide (Cr:ZnSe) crystals are the gain media of choice for mid-infrared lasers operating over a 1.9–3.4 µm spectral range. In this study, we used laser-induced breakdown spectroscopy (LIBS) of Cr:ZnSe polycrystalline materials to improve the sensitivity of detecting chromium concentration in the laser-active materials. The fundamental harmonic of a Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) laser was used as an excitation source. After calibration of the LIBS signal, we calculated that chromium's limit of detection (LOD) was 30 parts per million (ppm). Normalization of the Cr(I) intensity peak at 357.9 nm by the square root of the Zn(I) peak at 636.2 nm reduced the LOD to 20 ppm and increased the coefficient of determination to R² ≈ 0.98. These results demonstrate the potential of LIBS for microscale mapping of dopant distributions in laser crystals and for on-site monitoring of material quality during fabrication.

New from Applied Spectroscopy!
Application of Laser-Induced Breakdown Spectroscopy for Measuring Chromium Concentration in Chromium-Doped Zinc Selenide (Cr:ZnSe) Laser Materials
Read more: https://doi.org/10.1177/00037028251401252
#SAS #Spectroscopy #LIBS #Zinc #selenide #chromium #detection

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⚛️ Magnetic Raman optical activity observed beyond resonance conditions:

Das, Bouř. Structural Sensitivity without Chirality: Observation of Magnetic Raman Optical Activity outside Resonance. @jacs.acspublications.org.
doi.org/10.1021/jacs...

#research #spectroscopy #chemistry

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Peacock Spider Optics Inspire Super-Iridescent Nanomaterials Discover how peacock spider optics inspire super-iridescent nanomaterials, driving pigment-free innovation in sensors, coatings, and optical research.

Peacock Spider Optics Inspire Super-Iridescent Nanomaterials #spectroscopy #nanomaterials #chemistry #microscopy www.microspectra.com/about-craic/...

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Absorption and Emission Spectra with Gaussian 16 In photosynthesis research, emission spectra—particularly chlorophyll fluorescence—are not merely complementary to absorption measurements but are often more informative. While absorption spectra i…

In photo physics (as in photosynthesis) calculating emission spectra is as-if not more-important as calculating absorption. A new guest blog post on how to do it in Gaussian 16 by @gustavmondragon #CompChem #TDDFT #EmissionSpectra #Spectroscopy

joaquinbarroso.com/2026/03/30/a...

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👉 Undergraduate Award: bit.ly/4axF4ee

#SAS #Spectroscopy #StudentAwards

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VizieR J/AJ/169/341

New in the #VirtualObservatory: “JWST transmission spectra of WASP-121b” by Gapp C. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/169/341
#Spectroscopy #InfraredAstronomy #Exoplanets

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New Henrietta Spectrograph to Probe Alien Atmospheres Finding life beyond our solar system goes beyond measuring an exoplanet’s size, as rocky, Earth-sized worlds might not have the conditions for life as we know it. While exoplanets can be directly imaged by blocking their star’s glare, these images are fuzzy and lack resolution to provide enough details about the habitability. Therefore, astronomers are limited to studying an exoplanet’s atmosphere, and this has proven to be quite beneficial in teaching scientists about an exoplanet’s formation and evolution, and whether it contains the necessary ingredients for life as we know it.

New Henrietta Spectrograph to Probe Alien Atmospheres #Science #Space #Astrobiology #AlienWorlds #Spectroscopy #SpaceTech

www.universetoday.com/articles/new-henrietta-s...

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Instruct Course on Calorimetric and Spectroscopic Characterization of Biomolecules <p>In collaboration with Anamet and Specion we are pleased to invite you to participate in an advanced training course focused on key biophysical techniques for studying biomolecular structure,…

Instruct Course on Calorimetric and Spectroscopic Characterization of Biomolecules
📅 7-11 September 2026
📍 @ceitec.eu , Czechia
📝 Registration open| Deadline: 28 June 2026
🔗 instruct-eric.org/events/instr...

#calorimetry #spectroscopy #training

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VizieR J/A+A/707/A308

New in the #VirtualObservatory: “The metal-poor tail of the APOGEE survey. II.” by Montelius M. et al.
cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/707/A3...
#MilkyWayGalaxy #MagellanicClouds #InfraredAstronomy #Spectroscopy

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Ready to elevate your brand in the spectroscopy community? Discover sponsorship and advertising opportunities that connect you with a global, engaged audience through the SAS Avertising Prospectus.

👉 Explore the prospectus: bit.ly/4q5vT9u

#SAS #Spectroscopy #Sponsorship #Advertising #Marketing

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VizieR J/A+A/707/A326

New in the #VirtualObservatory: “Nova Vul 2024 (V615 Vul) spectra” by Valisa P. et al.
cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/707/A3...
#Spectroscopy #Novae #VisibleAstronomy

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Engineering Division #Machinist Mike Gronley inspects the thickness of a prototype fiber-positioning robot, which he fabricated in the Lab’s machine shop. The piece required tight tolerances and thin features. It is for Spec-S5, a next-gen instrument that will map the universe using #Spectroscopy.

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IR Spectroscopy Market Report Size, Share and Trends 2035 IR Spectroscopy Market Size is reached USD 2.5 Billion at a CAGR of 5.77% by 2035, Global IR Spectroscopy Industry Analysis by technology, product type, and region

IR Spectroscopy Market Report Size, Share and Trends 2035 www.marketresearchfuture.com/reports/ir-s...
#Spectroscopy #AI #EdgeAI #Sensors #Innovation #FutureTech #TechTrends #NextGen #ScienceTech

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Learn more: bit.ly/3LRexPF

#SAS #Spectroscopy #MemberBenefits #ProfessionalDevelopment #AppliedSpectroscopy

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Research led by Rosalba Gaudiuso (University of Bari, Italy) explores how LIBS spectroscopy could detect trace metal patterns in blood linked to autism - potentially enabling earlier diagnosis.

🔗 https://ow.ly/NBqJ50Yqcku

#AutismResearch #Spectroscopy #AnalyticalChemistry

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Squirrel untangles the kinematic dance of multiple galaxies in gravitational lens systems, extracting stellar motions from spectra where cosmic magnification reveals distant universe secrets.

https://github.com/ajshajib/squirrel

#GravitationalLensing #Spectroscopy #Kinematics

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VizieR J/A+A/707/A132

New in the #VirtualObservatory: “Taxonomic classification of asteroids” by Pentikainen H. et al.
cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/707/A1...
#Asteroids #Spectroscopy #GalaxyClassificationSystems #SolarSystem

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Unlock stellar secrets with SMART - an MCMC spectroscopy toolkit that transforms raw light from distant stars into precise physical parameters using cutting-edge Bayesian analysis.

https://github.com/chihchunhsu/smart

#Spectroscopy #MCMC #StellarPhysics

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