New paper on possibility of ancient TDGs in the Local Group
Today, the preprint of a new paper I co-authored appeared on the arXiv. I has the rather long title “The vast thin plane of M31 co-rotating dwarfs: an additional fossil…
News
New blog posts on The Dark Matter Crisis
After a temporarily successful attempt by a blogger demanding the discontinuation of our blog “The Dark Matter Crisis” on SciLogs.com, it has now been re-opened. You can read the full…
New blog post on the disc of satellites around M31
Today a Nature paper by Rodrigo Ibata and collaborators appeared, titled “A vast, thin plane of corotating dwarf galaxies orbiting the Andromeda galaxy”. It is extremely relevant for my research…
Another paper: Testing Claims about Filamentary Accretion
One day before the VPOS paper preprint became public on the arXiv, another paper of mine has been accepted by the Monthy Notices of the Royal Astronomical Society. Its preprint…
New Paper: the VPOS
Today, the preprint of my most recent paper became available on arXiv/astro-ph: http://arxiv.org/abs/1204.5176 It is titled “The VPOS: a vast polar structure of satellite galaxies, globular clusters and streams around…
Blog offline
My blog ‘Eight Minutes Old’ (8minutesold.com) has been attacked about one week ago. It is offline since, and I will have to put some effort into making it available again….
Talk in Paris
Next Monday I will give a seminar talk at the Observatoire de Paris / GEPI. I’ve been invited to discuss my paper on counter-orbiting tidal debris and will also present…
More Photos of Paris uploaded
I’ve uploaded another 14 pictures from my Paris archive. They open a new category called ‘The Sky of Paris’. With that, I have included enough of my 2008 shots from…
Press release about my recent paper
The University of Bonn has published a press release on my recent paper. It’s in German and can be found here: http://www3.uni-bonn.de/Pressemitteilungen/216-2011.
