4 papers
BU Canis Minoris -- the Most Compact Known Flat Doubly Eclipsing Quadruple System
Theodor Pribulla, Tamás Borkovits, Rahul Jayaraman +25
We have found that the 2+2 quadruple star system BU CMi is currently the most compact quadruple system known, with an extremely short outer period of only 121 days. The previous re…
Science with a small two-band UV-photometry mission I: Mission description and follow-up observations of stellar transients
N. Werner, J. Řípa, C. Thöne +33
This is the first in a collection of three papers introducing the science with an ultra-violet (UV) space telescope on an approximately 130~kg small satellite with a moderately fas…
Discovery of a substellar companion in the TESS light curve of the Scuti/ Doradus hybrid pulsator HD 31221
Sz. Kálmán, A. Derekas, Sz. Csizmadia +9
Close-in, sub-stellar companions to Scuti type stars present a highly suitable testbed for examining how planetary-mass objects can influence stellar pulsations. We aim to cons…
GRBAlpha: the smallest astrophysical space observatory -- Part 1: Detector design, system description and satellite operations
András Pál, Masanori Ohno, László Mészáros +42
Aims. Since launched on 2021 March 22, the 1U-sized CubeSat GRBAlpha operates and collects scientific data on high-energy transients, making it the smallest astrophysical space obs…