REsolved ALMA and SMA Observations of Nearby Stars (REASONS)

Description

This is the data release of the REASONS survey, a sample of planetesimal belts around nearby stars resolved interferometrically (see journal article for full details). Every tar file corresponds to a planetary system, and contains:Data:1 - the calibrated continuum visibility data in CASA .ms format2 - a FITS file with the non-primary-beam-corrected image of the system. 3 - a PDF image of the systemVisibility modelling results:4 - an ASCII file ('*_fitresults.txt') containing the results of the MCMC visibility fitting, as reported in Table X in the article but containing extra parameters fitted (such as background sources, extra astrometry for fits of multiple datasets/pointings, weight-rescaling factors)5 - an ASCII notes ('*_fitnotes.txt') file, which should always be consulted when interpreting the fit results, as it typically points out peculiarities in the posterior probability distributions.6 - a PDF of the triangle ('corner') plot of the N-dimensional posterior probability distribution of the fitted parameters, which should be consulted to get a better idea of the results reported in the ASCII files.7 - a PDF image (targetstar_imagecombo.pdf) showing the data, model, residuals and visibility data+model curves, to visually evaluate the goodness of the visibility fit.8 - a PDF image (targetstar.pdf) showing the multiwavelength photometry for the planetary system and a star+belt modified-blackbody fit, with parameters reported in the journal article.Please refer to the journal article for more details on the methods used to obtain these data and modelling results.

Resources

Name Format Description Link
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