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Related papers: Absolute Physical Calibration in the Infrared

200 papers

High quality wavelength calibration is crucial for science cases like radial-velocity studies of exoplanets, the search for a possible variation of fundamental constants, and the redshift drift experiment. However, for state-of-the-art…

Instrumentation and Methods for Astrophysics · Physics 2025-04-28 Tobias M. Schmidt , Ansgar Reiners , Michael T. Murphy , Gaspare Lo Curto , Carlos J. A. P. Martins , Philipp Huke

The Space Infrared Telescope Facility (SIRTF) will revolutionize the study of dust-obscured star formation in distant galaxies. Although deep images from the Multiband Imaging Photometer for SIRTF (MIPS) will provide coverage at 24, 70, and…

Astrophysics · Physics 2009-11-07 Casey Papovich , Eric F. Bell

We present calibrations for star formation rate indicators in the ultraviolet, mid-infrared and radio continuum bands, including one of the first direct calibrations of 150 MHz as a star formation rate indicator. Our calibrations utilize 66…

CONTEXT. 2MASS is the reference survey in the NIR part of the spectrum given its whole-sky coverage, large dynamic range, and proven calibration uniformity. However, previous studies disagree in the value of the zero points (ZPs) for its…

Instrumentation and Methods for Astrophysics · Physics 2018-08-22 J. Maíz Apellániz , M. Pantaleoni González

High-precision photometric standard stars play a key role in enabling accurate photometric calibration and advancing various fields of astronomy. However, due to limitations in calibration methods and the limited availability and underuse…

Instrumentation and Methods for Astrophysics · Physics 2026-01-12 Kai Xiao , Yang Huang , Haibo Yuan , Bowen Huang , Dongwei Fan , Timothy C. Beers , Zhirui Li , Henggeng Han , Qiqian Zhang , Tao Wang , Mingyang Ma , Yuanchang Wang , Shuai Xu , Lin Yang , Jifeng Liu

We present accurate resolved $WISE$ photometry of galaxies in the combined SINGS and KINGFISH sample. The luminosities in the W3 12$\mu$m and W4 23$\mu$m bands are calibrated to star formation rates (SFRs) derived using the total infrared…

Astrophysics of Galaxies · Physics 2018-05-29 M. E. Cluver , T. H. Jarrett , D. A. Dale , J. -D. T. Smith , T. August , M. J. I. Brown

We present the calibration of the [$\alpha$/Fe] element in terms of the ultra-violet excess for 469 dwarf stars with $0.325<(B-V)_0 \leq 0.775$ mag corresponding the spectral type range F0-K2. The star sample is separated into nine…

Solar and Stellar Astrophysics · Physics 2016-10-19 S. Karaali , E. Yaz Gokce , S. Bilir

Stars appearing in CCD images obtained over 224 nights during the course of 69 observing runs have been calibrated to the Johnson/Kron-Cousins BVRI photometric system defined by the equatorial standards of Landolt (1992, AJ, 104, 340). More…

Astrophysics · Physics 2009-10-31 Peter B. Stetson

New determinations of effective temperatures of 23 magnetic, chemically peculiar (mCP) stars were obtained from a fit of metal enhanced model atmospheres to the observed spectral energy distributions (SED) from UV to red. The…

Astrophysics · Physics 2008-11-07 L. Lipski , K. Stepien

We present a new procedure for photometric parallax estimation. The data for 1236 stars provide calibrations between the absolute magnitude offset from the Hyades main-sequence and the UV-excess for different (B-V)o colour-index intervals,…

Astrophysics · Physics 2009-11-10 S. Karaali , Y. Karatas , S. Bilir , S. Ak , E. Hamzaoglu

The apparent size of stars is a crucial benchmark for fundamental stellar properties such as effective temperatures, radii and surface gravities. While interferometric measurements of stellar angular diameters are the most direct method to…

Solar and Stellar Astrophysics · Physics 2014-05-23 L. Casagrande , L. Portinari , I. S. Glass , D. Laney , V. Silva Aguirre , J. Datson , J. Andersen , B. Nordström , J. Holmberg , C. Flynn , M. Asplund

We describe the preliminary results of a ground-based observing campaign aimed at building a grid of approximately 200 spectro-photometric standard stars (SPSS), with an internal $\simeq 1$\% accuracy (and sub-percent precision), tied to…

Solar and Stellar Astrophysics · Physics 2020-12-23 Nicoletta Sanna , Elena Pancino , Giuseppe Altavilla , Silvia Marinoni , Monica Rainer

The Infrared Array Camera (IRAC) on the Spitzer Space Telescope currently offers the greatest potential for high-precision astrometry of faint mid-IR sources across arcminute-scale fields, which would be especially valuable for measuring…

Instrumentation and Methods for Astrophysics · Physics 2015-12-23 T. L. Esplin , K. L. Luhman

Stellar Intensity Interferometry is a technique based on the measurement of the second order spatial correlation of the light emitted from a star. The physical information provided by these measurements is the angular size and structure of…

Instrumentation and Methods for Astrophysics · Physics 2021-07-13 Luca Zampieri , Giampiero Naletto , Aleksandr Burtovoi , Michele Fiori , Cesare Barbieri

Prompted by some inconsistencies in the photometry of the VISTA Variables in the V\'ia L\'actea (VVV) survey, we conduct a revision of the standard calibration procedure of VISTA data in the $J$, $H$, and $K_S$ passbands. Two independent…

Instrumentation and Methods for Astrophysics · Physics 2020-07-01 Gergely Hajdu , István Dékány , Márcio Catelan , Eva K. Grebel

The Space Telescope Imaging Spectrograph has measured the absolute flux for Vega from 0.17-1.01 microns on the HST White Dwarf flux scale. These data are saturated by up to a factor of 80 overexposure but retain linearity to a precision of…

Astrophysics · Physics 2009-09-29 R. C. Bohlin , R. L. Gilliland

Optical intensity interferometry, developed in the 1950s, is a simple and inexpensive method for achieving angular resolutions on microarcsecond scales. Its low sensitivity has limited intensity interferometric observations to bright stars…

Instrumentation and Methods for Astrophysics · Physics 2020-11-25 Junghwan Oh , Jan Wagner , Sascha Trippe , Taeseok Lee , Bangwon Lee , Chang Hee Kim

We present up-to-date metallicity-dependent temperature vs. color calibrations for main sequence and giant stars based on temperatures derived with the infrared flux method (IRFM). Seventeen colors in the following photometric systems: UBV,…

Astrophysics · Physics 2010-04-06 Ivan Ramirez , Jorge Melendez

SPIRE, the Spectral and Photometric Imaging Receiver, is the Herschel Space Observatory's submillimetre camera and spectrometer. It contains a three-band imaging photometer operating at 250, 350 and 500 {\mu}m, and an imaging Fourier…

We present an empirical calibration of the physical parameters of A, F and early G-type stars of luminosity class V. We have used a statistical approach based on a sample of about 15 000 stars having both uvby-Str\"omgren photomerty (Hauck…

Solar and Stellar Astrophysics · Physics 2012-12-14 Giannina Dalle Mese , Omar López-Cruz , William J. Schuster , Carlos Chavarría , J. Gabriel García