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Spitzer Space Telescope observations of magnetic cataclysmic variables: possibilities for the presence of dust in polars
C. S. Brinkworth, D. W. Hoard, S. Wachter +6
We present Spitzer Space Telescope photometry of six short-period polars, EF Eri, V347 Pav, VV Pup, V834 Cen, GG Leo, and MR Ser. We have combined the Spitzer Infrared Array Camera…
Simultaneous optical and X-ray high speed photometry of Cyg X-2
G. Dubus, B. Kern, A. A. Esin +2
The X-ray emission from X-ray binaries may originate in flares occurring when magnetic loops anchored in the disc reconnect. In analogy with our Sun, H alpha emission should arise…
Modeling the Low State Spectrum of the X-Ray Nova XTE J1118+480
A. A. Esin, J. E. McClintock, J. J. Drake +4
Based on recent multiwavelength observations of the new X-ray nova XTE J1118+480, we can place strong constraints on the geometry of the accretion flow in which a low/hard state sp…
On The Synchrotron Self-Compton Emission from Relativistic Shocks and Its Implications for Gamma-Ray Burst Afterglows
Re'em Sari, Ann A. Esin
We consider the effects of inverse Compton scattering of synchrotron photons from relativistic electrons in GRB afterglows. We compute the spectrum of the inverse Compton emission…
Dust Echos from Gamma Ray Bursts
Ann A. Esin, Roger Blandford
The deviation from the power-law decline of the optical flux observed in GRB 970228 and GRB 980326 has been used recently to argue in favor of the connection between GRBs and super…
The 1996 outburst of GRO J1655-40: disc irradiation and enhanced mass transfer
A. A. Esin, J. -P. Lasota, R. I. Hynes
We show that the 1996 outburst of the X-ray binary transient system GRO J1655-40 can be explained by the standard dwarf-nova type disc instability, followed by an episode of enhanc…