Abstract
Abstract We present a mosaic of those co-added Full Frame Images acquired by the TESS satellite that had been released in 2020 April. The mosaic shows substantial stray light over the sky. Yet over spatial scales of a few degrees, the background appears uniform. This result indicates that TESS has considerable potential as a Low Surface Brightness Observatory. The co-added images are freely available as a High Level Science Product (HLSP) at MAST and accessible through a Jupyter Notebook.
Highlights
We present a mosaic of those co-added Full Frame Images acq uired by the Transiting Exopla net Sky Survey (TESS) satellite that had been released in 2020 April
In Mission Year 2, TESS is completing a survey of the northern sky, alb eit with some modifications to the cadence: sane of the sectors sta rt at a higher ecliptic latitude a nd extend farthe r over the pole
The data presented here indicate TESS data a re adequate for LSB astronomy. They can be used in tests of /\-COM galaxy formatio n scenarios; de rivatio n of stellar halo fractions for galaxies of diffe rent masses and morphologies; identification of some stellar streams around these galaxies and other galaxy cannibalism leftove rs; a nd detection of ultra-diffuse galaxies as companio ns to bigger galaxies
Summary
We present a mosaic of those co-added Full Frame Images acq uired by the TESS satellite that had been released in 2020 April. The mosaic shows substant ial stray light over t he sky. Over spatial scales of a few degrees, the background api:ears uniform. This result indicates that TESS has conside rable potential as a Low Surface Brightness Observatory. The co-added images are freely available as a High level Science Product (HlSP) at MAST and accessible throug h a Jupyter Notebook
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