Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program
Shifting the focus of Type Ia supernova (SN Ia) cosmology to the near-infrared (NIR) is a promising way to significantly reduce the systematic errors, as the strategy minimizes our reliance on the empirical width-luminosity relation and uncertain dust ...
Anderson, J. P.+44 more
core +1 more source
HERMES at Mercator, competitive high-resolution spectroscopy with a small telescope [PDF]
HERMES, a fibre-fed high-resolution (R=85000) echelle spectrograph with good stability and excellent throughput, is the work-horse instrument of the 1.2-m Mercator telescope on La Palma. HERMES targets building up time series of high-quality data of variable stellar phenomena, mainly for asteroseismology and binary-evolution research.
arxiv +1 more source
Comb-calibrated solar spectroscopy through a multiplexed single-mode fiber channel [PDF]
We investigate a new scheme for astronomical spectrograph calibration using the laser frequency comb at the Solar Vacuum Tower Telescope on Tenerife. Our concept is based upon a single-mode fiber channel, that simultaneously feeds the spectrograph with ...
Doerr, H-P+9 more
core +3 more sources
3D Spectroscopy and the Virtual Observatory [PDF]
Integral field, or 3D, spectroscopy is the technique of obtaining spectral information over a two-dimensional, hopefully contiguous, field of view. While there is some form of astronomical 3D spectroscopy at all wavelengths, there has been a rapid increase in interest in optical and near-infrared 3D spectroscopy.
arxiv
Common Methods of Stellar Spectra Analysis and their Support in Virtual Observatory [PDF]
The proper scientific analysis of a large amount of stellar spectra requires certain capabilities of the analysing tool (e.g. precise semi-automatic fitting for normalisation of the continuum or line-list assisted measurement of spectral lines) as well as flexible list-driven datafile handling.
arxiv
High Sensitivity, High Spectral Resolution, Mid-infrared Spectroscopy [PDF]
We broadly discuss mid-infrared spectroscopy and detail our new high spectral resolution instrument, the Texas Echelon-cross-Echelle Spectrograph (TEXES).
arxiv
A program of astronomical infrared spectroscopy from aircraft [PDF]
Astronomical infrared spectroscopy from ...
Forbes, F. F.+2 more
core +1 more source
The missing conformer: A comprehensive rotational spectroscopy study and astronomical search of two conformers of methyl cyanoacetate [PDF]
Gayatri Batra+6 more
openalex +1 more source
Infrared heterodyne spectroscopy for astronomical purposes [PDF]
Heterodyne infrared astronomy was carried out using CO2 lasers and some solid state tunable lasers. The best available detectors are mercury cadmium telluride photodiodes.
Townes, C. H.
core +1 more source
Astrophotonic Technologies [PDF]
Over the past two decades, photonics have been developed as technological solutions for astronomical instrumentation for, e.g., near-infrared spectroscopy and long baseline interferometry. With increasing instrument capabilities, large quantities of high precision optical components are required to guide, manipulate, and analyze the light from ...
arxiv +1 more source