The ESO supernovae type Ia progenitor survey (SPY): The radial velocities of 643 DA white dwarfs (2020) Napiwotzki R, Karl CA, Lisker T, Catalan S, Drechsel H, Heber U, Homeier D, et al. Journal article TESS first look at evolved compact pulsators Known ZZ Ceti stars of the southern ecliptic hemisphere as seen by TESS (2020) Bognar Z, Kawaler SD, Bell KJ, Schrandt C, Baran AS, Bradley PA, Hermes JJ, et al. Journal article IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane* (2020) Monguio M, Greimel R, Drew JE, Barentsen G, Groot PJ, Irwin MJ, Casares J, et al. Journal article Hypervelocity stars in the Gaia era Revisiting the most extreme stars from the MMT HVS survey (2020) Kreuzer S, Irrgang A, Heber U Journal article Hard X-ray properties of radio-selected blazars (2020) Langejahn M, Kadler M, Wilms J, Litzinger E, Kreter M, Gehrels N, Baumgartner WH, et al. Journal article Deep XMM-Newton observations of the northern disc of M31 (2020) Kavanagh PJ, Sasaki M, Breitschwerdt D, De Avillez MA, Filipovic MD, Galvin T, Haberl F, et al. Journal article Halo fraction in TeV-bright pulsar wind nebulae (2020) Giacinti G, Mitchell AMW, Lopez-Coto R, Joshi V, Parsons RD, Hinton JA Journal article, Original article X-ray spectral and flux variability of the microquasar GRS 1758-258 on timescales from weeks to years (2020) Hirsch M, Pottschmidt K, Smith DM, Bodaghee A, Cadolle Bel M, Grinberg V, Hell N, et al. Journal article Detection of very-high-energy γ -ray emission from the colliding wind binary η Car with H.E.S.S. (2020) Abdalla H, Adam R, Aharonian F, Benkhali FA, Anguner EO, Arakawa M, Arcaro C, et al. Journal article Cassiopeia A, Cygnus A, Taurus A, and Virgo A at ultra-low radio frequencies (2020) De Gasperin F, Vink J, McKean JP, Asgekar A, Avruch I, Bentum MJ, Blaauw R, et al. Journal article