386 citations · 4.7k across the 101 of their papers we have counts for
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Constraining a possible time-variation of the gravitational constant through "gravitochemical heating" of neutron stars
Andreas Reisenegger, Paula Jofré, Rodrigo Fernández
A hypothetical time-variation of the gravitational constant would make neutron stars expand or contract, so the matter in their interiors would depart from beta equilibrium. Th…
Multi-wavelength observing of a forming solar-like star
S. G. Gregory, E. Flaccomio, C. Argiroffi +7
V2129 Oph is a 1.35 solar mass classical T Tauri star, known to possess a strong and complex magnetic field. By extrapolating from an observationally derived magnetic surface map,…
Tepid Supergiants: Chemical Signatures of Stellar Evolution & The Extent of Blue Loops
Norbert Przybilla, Markus Firnstein, Maria-Fernanda Nieva
Massive stars can develop into tepid supergiants at several stages of their post main-sequence evolution, prior to core He-burning, on a blue loop, or close to the final supernova…
Discrete sources as the origin of the Galactic X-ray ridge emission
Revnivtsev M., Sazonov S., Churazov E. +3
An unresolved X-ray glow (at energies above a few kiloelectronvolts) was discovered about 25 years ago and found to be coincident with the Galactic disk -the Galactic ridge X-ray e…
PHL 1092 as a transient extreme X-ray weak quasar
G. Miniutti, A. C. Fabian, W. N. Brandt +2
We report a dramatic variability event in the X-ray history of the Narrow-Line quasar PHL 1092 (z=0.396). Our latest 2008 XMM-Newton observation reveals a flux drop of ~200 with re…
Using Virtual Observatory techniques to search for Adaptive Optics suitable AGN
J. Zuther, G. Lemson, A. Eckart +3
Until recently, it has been possible only for nearby galaxies to study the scaling relations between central black hole and host galaxy in detail. Because of the small number densi…