SIMBAD references

2019ApJ...875...55W - Astrophys. J., 875, 55-55 (2019/April-2)

The MESAS project: long-wavelength follow-up observations of Sirius A.

WHITE J.A., AUFDENBERG J., BOLEY A.C., DEVLIN M., DICKER S., HAUSCHILDT P., HUGHES A.G., HUGHES A.M., MASON B., MATTHEWS B., MOOR A., MROCZKOWSKI T., ROMERO C., SIEVERS J., STANCHFIELD S., TAPIA F. and WILNER D.

Abstract (from CDS):

Modeling the submillimeter to centimeter emission of stars is challenging due to a lack of sensitive observations at these long wavelengths. We launched an ongoing campaign to obtain new observations entitled Measuring the Emission of Stellar Atmospheres at Submillimeter/millimeter wavelengths (MESAS). Here we present Atacama Large Millimeter/submillimeter Array, Green Bank Telescope, and Very Large Array observations of Sirius A, the closest main-sequence A-type star, that span from 1.4 to 9.0 mm. These observations complement our previous millimeter data on Sirius A and are entirely consistent with the PHOENIX stellar atmosphere models constructed to explain them. We note that accurate models of long-wavelength emission from stars are essential not only to understand fundamental stellar processes, but also to determine the presence of dusty debris in spatially unresolved observations of circumstellar disks.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): circumstellar matter - radio continuum: stars - stars: atmospheres - stars: individual: Sirius A - submillimeter: stars

Simbad objects: 18

goto Full paper

goto View the reference in ADS

To bookmark this query, right click on this link: simbad:2019ApJ...875...55W and select 'bookmark this link' or equivalent in the popup menu


2019.09.17-03:09:29

© Université de Strasbourg/CNRS

    • Contact