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A puzzling millisecond pulsar companion in NGC 6266
G. Cocozza, F. R. Ferraro, A. Possenti +5
We report on the optical identification of the companion to the eclipsing millisecond pulsar PSR J17013006B in the globular cluster NGC 6266. A relatively bright star with an an…
The puzzling properties of the Helium White Dwarf orbiting the millisecond pulsar PSR J1911-5958A in NGC 6752
G. Cocozza, F. R. Ferraro, A. Possenti +1
We have used phase-resolved high-resolution images and low resolution spectra taken at the ESO Very Large Telescope, to study the properties of the low-mass Helium White Dwarf comp…
Timing and spectral changes of the Be X-ray transient EXO 0531-6609.2 through high and low state
Nanda Rea, Gian Luca Israel, Tiziana Di Salvo +2
We report on spectral and timing analysis of BeppoSAX data of the 13.6 s period transient X-ray pulsar EXO 0531-6609.2. Observations were carried out in March 1997 and October 1998…
SN 2002lt and GRB 021211: a SN/GRB Connection at z = 1
M. Della Valle, D. Malesani, S. Benetti +14
We present spectroscopic and photometric observations of the afterglow of GRB 021211 and the discovery of its associated supernova, SN 2002lt. The spectrum shows a broad feature (F…
Evidence for Supernova Signatures in the Spectrum of the Late-time Bump of the Optical Afterglow of GRB 021211
M. Della Valle, D. Malesani, S. Benetti +14
We present photometric and spectroscopic observations of the gamma-ray burst GRB 021211 obtained during the late stages of its afterglow. The light curve shows a rebrightening occu…