SIMBAD references

2017A&A...608A.146B - Astronomy and Astrophysics, volume 608A, 146-146 (2017/12-1)

Large Interstellar Polarisation Survey (LIPS). I. FORS2 spectropolarimetry in the Southern Hemisphere.

BAGNULO S., COX N.L.J., CIKOTA A., SIEBENMORGEN R., VOSHCHINNIKOV N.V., PATAT F., SMITH K.T., SMOKER J.V., TAUBENBERGER S., KAPER L., CAMI J. (The LIPS collaboration)

Abstract (from CDS):

Polarimetric studies of light transmitted through interstellar clouds may give constraints on the properties of the interstellar dust grains. Traditionally, broadband linear polarisation (BBLP) measurements have been considered an important diagnostic tool for the study of the interstellar dust, while comparatively less attention has been paid to spectropolarimetric measurements. However, spectropolarimetry may offer stronger constraints than BBLP, for example by revealing narrowband features, and by allowing us to distinguish the contribution of dust from the contribution of interstellar gas. Therefore, we have decided to carry out a Large Interstellar Polarisation Survey (LIPS) using spectropolarimetric facilities in both hemispheres. Here we present the results obtained in the Southern Hemisphere with the FORS2 instrument of the ESO Very Large Telescope. Our spectra cover the wavelength range 380-950 nm at a spectral resolving power of about 880. We have produced a publicly available catalogue of 127 linear polarisation spectra of 101 targets. We also provide the Serkowski-curve parameters, as well as the wavelength gradient of the polarisation position angle for the interstellar polarisation along 76 different lines of sight. In agreement with previous literature, we found that the best-fit parameters of the Serkowski-curve are not independent of each other. However, the relationships that we obtained are not always consistent with what has been found in previous studies.

Abstract Copyright: © ESO, 2017

Journal keyword(s): polarization - dust, extinction - dust, extinction

VizieR on-line data: <Available at CDS (J/A+A/608/A146): table.dat sp/*>

Status at CDS:  

Simbad objects: 104

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2020.04.02-12:43:36

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