NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-16 T05:49:15 PDT
Help | Comment | NED Home

For refcode 2016MNRAS.459.1646C:
Retrieve 24 NED objects in this reference.
Please click here for ADS abstract

NED Abstract

Copyright by Royal Astronomical Society. 2016MNRAS.459.1646C An empirical determination of the dust mass absorption coefficient, kappa_d_, using the Herschel Reference Survey Clark, Christopher J. R.; Schofield, Simon P.; Gomez, Haley L.; Davies, Jonathan I. Abstract. We use the published photometry and spectroscopy of 22 galaxies in the Herschel Reference Survey to determine that the value of the dust mass absorption coefficient kappa_d_ at a wavelength of 500 micron is kappa_{500}_ = 0.051^{+0.070}_{-0.026}_ m^{2 kg^{-1}}. We do so by taking advantage of the fact that the dust-to-metals ratio in the interstellar medium of galaxies appears to be constant. We argue that our value for kappa_d_ supersedes that of James et al. - who pioneered this approach for determining kappa_d_ - because we take advantage of superior data, and account for a number of significant systematic effects that they did not consider. We comprehensively incorporate all methodological and observational contributions to establish the uncertainty on our value, which represents a marked improvement on the oft-quoted 'order-of-magnitude' uncertainty on kappa_d_. We find no evidence that the value of kappa_d_ differs significantly between galaxies, or that it correlates with any other measured or derived galaxy properties. We note, however, that the availability of data limits our sample to relatively massive (10^9.7^ < M_*_ < 10^11.0^ M_sun_), high metallicity (8.61 < [ 12 + log_{10}_ fracOH ] < 8.86) galaxies; future work will allow us to investigate a wider range of systems. Key words: galaxies: abundances, galaxies: ISM, radio lines: ISM, submillimetre: galaxies, submillimetre: ISM
Retrieve 24 NED objects in this reference.
Please click here for ADS abstract

Back to NED Home