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39 papers · 2 filters
AGNs and microquasars as high energy gamma-ray sources
Josep M. Paredes
The extragalactic analogs of the microquasars, the quasars, are strong gamma-ray emitters at GeV energies. It is expected that microquasars are also gamma-ray sources, because of t…
3-D Kinematics of the HH 110 jet
Rosario Lopez, Robert Estalella, Alejandro C. Raga +3
We present new results on the kinematics of the jet HH 110. New proper motion measurements have been calculated from [SII] CCD images obtained with a time baseline of nearly fiftee…
High-energy gamma-ray Emission from Microquasars: LS 5039 and LS I +61 303
V. Bosch-Ramon, J. M. Paredes
The possible associations between the microquasars LS 5039 and LS I +61 303 and the EGRET sources 3EG J1824-1514 and 3EG J0241+6103 suggest that microquasars could also be sources…
Electromagnetic radiation initiated by hadronic jets from microquasars in the ISM
V. Bosch-Ramon, F. A. Aharonian, J. M. Paredes
Microquasars are potential candidates to produce a non-negligible fraction of the observed galactic cosmic rays. The protons accelerated at the jet termination shock interact with…
The diversity of Type Ia Supernovae: evidence for systematics?
S. Benetti, E. Cappellaro, P. A. Mazzali +8
The photometric and spectroscopic properties of 26 well observed Type Ia Supernovae (SNeIa) were analyzed with the aim to explore SNIa diversity. The sample includes (Branch-)norma…
The binary progenitor of Tycho Brahe's 1572 supernova
Pilar Ruiz-Lapuente, Fernando Comeron, Javier Mendez +8
The brightness of type Ia supernovae, and their homogeneity as a class, makes them powerful tools in cosmology, yet little is known about the progenitor systems of these explosions…