CAIXA: a catalogue of AGN in the XMM-Newton archive III. Excess Variance Analysis

Calcium-rich gap transients in the remote outskirts of galaxies

Calibrating the correlation between black hole mass and X-ray variability amplitude: X-ray only black hole mass estimates for active galactic nuclei and ultra-luminous X-ray sources

Calibration of the CREAM-I calorimeter

Calorimetry of Active Galactic Nucleus jets: testing plasma composition in Cygnus A

Can angular momentum loss cause the period change of NN Ser?

Can cold quark matter be solid?

Can eccentric binary millisecond pulsars form by accretion induced collapse of white dwarfs?

Can electron distribution functions be derived through the Sunyaev-Zel'dovich effect?

Can large scintillators be used for solar-axion searches to test the cosmological axion-photon oscillation proposal?

Can Multiband Observations Constrain Explanations for Knotty Jets?

Can past gamma-ray bursts explain both INTEGRAL and ATIC/PAMELA/Fermi anomalies simultaneously?

Can stellar mass black holes be quark stars?

Can substructure in the Galactic Halo explain the ATIC and PAMELA results?

Can the same generation of astronomers see both the short gamma-ray bursts and their supernovae precursors?

Can the viscosity in astrophysical black hole accretion disks be close to its string theory bound?

Can Ultrahigh Energy Cosmic Rays Come from Gamma-Ray Bursts? II: Cosmic Rays Below the Ankle and Galactic GRB

Can we probe the Lorentz factor of gamma-ray bursts from GeV-TeV spectra integrated over internal shocks?

Can X-ray emission powered by a spinning-down magnetar explain some GRB light curve features?

Candidate counterparts to the soft gamma-ray flare in the direction of LS I +61303