HD 100453 polarised and total intensity images Virtual Observatory Resource

Authors
  1. Ma J.
  2. Tazaki R.
  3. Schmid H.M.
  4. Duchene G.
  5. Dominik C.
  6. Ginski C.
  7. Menard F.
  8. Published by
    CDS
Abstract

HD 100453 disk is a prototypical companion-disk interaction system hosting a pair of spirals and a substellar companion. We present new non-coronagraphic high-contrast imaging observations of HD 100453 with V filter on SPHERE/ZIMPOL. We aim to accurately measure the reflected polarized intensity, the disk intensity, and the degree of polarization at multi-wavelength,characterize the dust properties in the disk ring and the companion-driven spiral arms, and search for the radial dependencies of dust scattering properties within the disk. We combine high-contrast imaging data of the reflected light from 0.55 to 2.2 um using the V, I', J and K s band data of ZIMPOL and IRDIS at VLT/SPHERE. For each observational epoch, we corrected for the smearing effect to derive the intrinsic disk-integrated polarized flux. We applied reference differential imaging to extract the disk intensity for V and Ks-band using star-hopping observations. We then used RADMC-3D radiative transfer modeling with a parametrized Henyey-Greenstein phase function to constrain the dust properties We derive for the integrated intrinsic polarised flux of the disk a steady increase with wavelengths from {hat}Q_{phi_/I*(V)=0.3% to {hat}Q_{phi}_/I*(K)=1.2%. We obtained the first V-band total intensity for HD 100453 with ZIMPOL star-hopping. The integrated total flux I_disk_/I*(V)=1.5% increases to I_disk_/I*(K)=4.8%. Both total intensity and the polarization fraction show red colors, and the intrinsic maximum degree of polarization increases moderately from 40% to 55%. From V to Ks band, the dominating dust in the outer disk has increasing scattering albedo and degree of polarization while the asymmetry parameter slightly decreases. The HD 100453 outer disk contains sub-micron-sized, low porosity grains/aggregates. The cavity in scattered light is not empty and is replenished with optically thin dust with maximum size <0.1um. The linear polarization is higher in the spiral region than in the other regions, suggesting different dust properties in those regions.

Keywords
  1. emission-line-stars
  2. polarimetry
  3. visible-astronomy
  4. infrared-astronomy
Bibliographic source Bibcode
2025A&A...702A..78M
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/702/A78
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/702/A78

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/702/A78
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/702/A78
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/702/A78
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/702/A78/list?
https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/702/A78/list?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/702/A78/list?

History

2025-10-07T11:47:21Z
Resource record created
2025-10-07T11:47:21Z
Created
2025-11-19T12:42:30Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr