Asphaltenes as model compounds of the UIBs/AIBs detected in various astrophysical objects. Part 3: Petroleum asphaltenes high energy radiation processed
Assessing spectra and thermal inversions due to TiO in hot Jupiter atmospheres
Recent detections of thermal inversions in the dayside atmospheres of some hot Jupiters are motivating new avenues to understand the interplay between their...
Assessing the Stellar Population and the Environment of an H II Region on the Far Side of the Galaxy
We have investigated the stellar and interstellar content of the distant star formation region IRAS 17591-2228 (WISE H II region GAL 007.47+0.06). It is...
Asteroseismology of Massive Stars with the TESS Mission: The Runaway β Cep Pulsator PHL 346 = HN Aqr
We report an analysis of the first known β Cep pulsator observed by the Transiting Exoplanet Survey Satellite (TESS) mission, the runaway star PHL 346 = HN Aqr...
Astrometry with Carte du Ciel plates, San Fernando zone . II. CdC-SF: a precise proper motion catalogue
Context. The historic plates of the Carte du Ciel, an international cooperative project launched in 1887, offer valuable first-epoch material for the...
Astronomers study the magnetic chaos of galaxies in the nearby Universe
International research, with the participation of the Instituto de Astrofísica de Canarias (IAC), reveals that perturbations in the magnetic fields of galaxies...
Astrophysical Parameters of LS 2883 and Implications for the PSR B1259-63 Gamma-ray Binary
Only a few binary systems with compact objects display TeV emission. The physical properties of the companion stars represent basic input for understanding the...
Asymmetrical tidal tails of open star clusters: stars crossing their cluster's práh<SUP>†</SUP> challenge Newtonian gravitation
After their birth a significant fraction of all stars pass through the tidal threshold (práh) of their cluster of origin into the classical tidal tails. The...