activity
20062009
most citedA massive binary black-hole system in OJ287 and a test of general relativity

416 citations · 878 across the 13 of their papers we have counts for

collaborators

6 papers

gr-qc2009

Black Holes in Active Galactic Nuclei

M. J. Valtonen, S. Mikkola, D. Merritt +7

Supermassive black holes are common in centers of galaxies. Among the active galaxies, quasars are the most extreme, and their black hole masses range as high as to $6\cdot 10^{10}…

astro-ph200790 cited

SW Sextantis stars: the dominant population of CVs with orbital periods between 3-4 hours

P. Rodriguez-Gil, B. T. Gaensicke, H. -J. Hagen +15

[Abridged] We present time-series optical photometry of five new CVs identified by the Hamburg Quasar Survey. The eclipses observed in HS 0129+2933, HS 0220+0603, and HS 0455+8315…

astro-ph2006

An integral monitoring of GRS1915+105: simultaneous observations with INTEGRAL, RXTE, the Ryle and Nancay radio telescopes

J. Rodriguez, G. Pooley, D. C. Hannikainen +1

Since the launch of INTEGRAL in late 2002 we have monitored the Galactic microquasar GRS 1915+105 with long exposures (~100 ks) pointings. All the observations have been conducted…

q-bio.BM200629 cited

Homochirality in an early peptide world

Axel Brandenburg, Harry J. Lehto, Kirsi M. Lehto

A recently proposed model of non-autocatalytic reactions in dipeptide reactions leading to spontaneous symmetry breaking and homochirality is examined. The model is governed by act…

astro-ph20062 cited

Recent observational progress in AM CVn binaries

G. Ramsay, C. Brocksopp, P. Groot +9

We present the results of some recent research on AM CVn systems. We present: X-ray/UV observations made using XMM-Newton; the X-ray grating spectrum of RX J1914+24; preliminary re…

astro-ph2006

Integrally monitoring GRS 1915+105 with simultaneous INTEGRAL, RXTE, Ryle and Nancay observations

J. Rodriguez, G. Pooley, D. C. Hannikainen +1

We report here the results of 2 observations performed simultaneously with INTEGRAL, RXTE, the Ryle and Nancay radio telescopes. These observations belong to the so-called and…