Deep Herschel PACS point spread functions

Abstract

The knowledge of the point spread function (PSF) of imaging instruments represents a fundamental requirement for astronomical observations. The Herschel PACS PSFs delivered by the instrument control centre are obtained from observations of the Vesta asteroid, providing a characterisation of the central part therefore excluding fainter features. However, in many cases information on both the core and the wings of the PSFs is needed. With this aim, we combine Vesta and Mars dedicated observations and obtain PACS PSFs with an unprecedented dynamic range $(\sim 10^6)$, at slow and fast scan speeds and for the three photometric bands.

4 pages, 4 figures, 2 tables. A&A 591, A117 (2016)

References in corpus (3)

• The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory
• Scanamorphos: a map-making software for Herschel and similar scanning bolometer arrays
• Halo dust detection around NGC 891

Cited by in corpus (12)

• The dust mass in Cassiopeia A from a spatially resolved Herschel analysis
• Convolution kernels for multi-wavelength imaging
• From scattered-light to millimeter emission: A comprehensive view of the Gyr-old system of HD 202628 and its eccentric debris ring
• Dust emission profiles of DustPedia galaxies
• Water, hydrogen cyanide, carbon monoxide, and dust production from distant comet 29P/Schwassmann-Wachmann 1
• A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).XII. Ionised gas emission in the inner regions of lenticular galaxies
• The distribution of dust in edge-on galaxies: I. The global structure
• Eta Carinae & the Homunculus: Far Infrared, Sub-millimeter Spectral Lines
• ALMA imaging of the M-dwarf Fomalhaut C's debris disc
• Warm CO in evolved stars from the THROES catalogue. II. Herschel/PACS spectroscopy of C-rich envelopes
• The Quest for the Missing Dust: I -- Restoring Large Scale Emission in Herschel Maps of Local Group Galaxies
• On the origin of the anomalous gas, non-declining rotation curve and disc asymmetries in NGC253