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Non-existence of self-similar solutions containing a black hole in a universe with a stiff fluid or scalar field or quintessence
Tomohiro Harada, Hideki Maeda, B. J. Carr
We consider the possible existence of self-similar solutions containing black holes in a Friedmann background with a stiff fluid or a scalar field. We carefully study the relations…
Classical novae from the POINT-AGAPE microlensing survey of M31 -- II. Rate and statistical characteristics of the nova population
M. J. Darnley, M. F. Bode, E. Kerins +17
We report the results of our statistical study of the POINT-AGAPE CNe catalogue. The first Sloan and analysis of the MMRD relationship in M31 is performed using the resul…
Super-horizon primordial black holes
Tomohiro Harada, B. J. Carr
We discuss a new class of solutions to the Einstein equations which describe a primordial black hole (PBH) in a flat Friedmann background. Such solutions arise if a Schwarzschild b…
Automated Detection of Classical Novae with Neural Networks
S. Feeney, V. Belokurov, N. W. Evans +9
The POINT-AGAPE collaboration surveyed M31 with the primary goal of optical detection of microlensing events, yet its data catalogue is also a prime source of lightcurves of variab…
POINT-AGAPE Pixel Lensing Survey of M31 : Evidence for a MACHO contribution to Galactic Halos
S. Calchi Novati, S. Paulin-Henriksson, J. An +15
The POINT-AGAPE collaboration is carrying out a search for gravitational microlensing toward M31 to reveal galactic dark matter in the form of MACHOs (Massive Astrophysical Compact…
Growth of primordial black holes in a universe containing a massless scalar field
Tomohiro Harada, B. J. Carr
The evolution of primordial black holes in a flat Friedmann universe with a massless scalar field is investigated in fully general relativistic numerical relativity. A primordial b…