Results 21 to 30 of about 1,574,076 (309)

Astronomical Radio Spectroscopy

open access: bronzeJournal of the Spectroscopical Society of Japan, 1979
Masaki Morimoto
openaire   +4 more sources

Laboratory rotational spectroscopy and astronomical search of ethynyl substituted naphthalene [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2022
The recent interstellar detection of cyanonaphthalenes bring interest in related aromatic molecular species that could be present in similar astronomical environments.
C. Cabezas, I. Peña, J. Cernicharo
semanticscholar   +1 more source

Expanding the submillimeter wave spectroscopy and astronomical search for thioacetamide (CH3CSNH2) in the ISM [PDF]

open access: yesAstronomy & Astrophysics, 2021
Context. One of the biggest unsolved mysteries of modern astrochemistry is understanding chemical formation pathways in the interstellar medium (ISM) and circumstellar environments.
A. Remijan   +14 more
semanticscholar   +1 more source

Comprehensive Analysis of a Symbiotic Candidate V503 Her

open access: yesThe Astronomical Journal, 2023
V503 Her was previously proposed as an eclipsing symbiotic candidate based on photometric behavior and spectroscopic appearance indicating the composite optical spectrum.
Jaroslav Merc   +12 more
doaj   +1 more source

Dispersion Characteristics of the Multi-mode Fiber-fed VIPA Spectrograph

open access: yesThe Astronomical Journal, 2023
A high-resolution ( ${ \mathcal R }\gt {10}^{5}$ ), multi-mode fiber-fed spectrograph on large telescopes with a reasonable size is desirable in astronomy.
Xiaoming Zhu   +4 more
doaj   +1 more source

High-Precision Single-Photon Laser Time Transfer with Temperature Drift Post-Compensation

open access: yesSensors, 2020
Laser time transfer is of great significance in timing and global time synchronization. However, the temperature drift may occur and affect the delay of the electronics system, optic generation and detection system.
Wendong Meng   +7 more
doaj   +1 more source

A Beginner’s Guide to Working with Astronomical Data

open access: yesThe Open Journal of Astrophysics, 2020
This elementary review covers the basics of working with astronomical data, notably with images, spectra and higher-level (catalog) data. The basic concepts and tools are presented using both application software (DS9 and TOPCAT) and Python. The level of
Markus Pössel
doaj   +1 more source

Astronomical échelle spectroscopy data analysis with 'muler'

open access: yesJournal of Open Source Software, 2022
Modern astronomical échelle spectrographs produce information-rich 2D echellograms that undergo standard reduction procedures to produce extracted 1D spectra.
M. Gully-Santiago   +7 more
semanticscholar   +1 more source

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