S. Djorgovski

Publications848
h-index76
Citations24,877
Highly Influential Citations2,723
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BEAMING IN GAMMA-RAY BURSTS: EVIDENCE FOR A STANDARD ENERGY RESERVOIR
We present a comprehensive sample of all gamma-ray burst (GRB) afterglows with known distances, and we derive their conical opening angles based on observed broadband breaks in their light curves.…
Structure and dynamics of globular clusters
An internal combustion engine, particularly a four cylinder four stroke cycle engine, has adjoining cylinders arranged in pairs with adjacent or siamesed intake ports and timed sequentially so that…
Results from the Catalina Real-time Transient Survey
TLDR
The results suggest that there is a large population of SNe missed by many current SN surveys because of selection biases, and the unexpected discovery of white dwarf binary systems through dramatic eclipses.
Fundamental Properties of Elliptical Galaxies
The global properties of elliptical galaxies, such as luminosity, radius, projected velocity dispersion, projected luminosity, etc., form a two-dimensional family. This 'fundamental plane' of…
Spectral constraints on the redshift of the optical counterpart to the γ-ray burst of 8 May 1997
Brief, intense bursts of γ-rays occur approximately daily from random directions in space, but their origin has remained unknown since their initial detection almost 25 years ago. Arguments based on…
Catalogue of Galactic globular-cluster surface-brightness profiles
We present a catalogue of surface-brightness profiles (SBPs) of 125 Galactic globular clusters, the largest such collection ever gathered. The SPBs are constructed from generally inhomogeneous data,…
The Palomar Transient Factory: system overview, performance and first results
The Palomar Transient Factory (PTF) is a fully-automated, wide-field survey aimed at a systematic exploration of the optical transient sky. The transient survey is performed using a new 8.1 square…
The Observed Offset Distribution of Gamma-Ray Bursts from Their Host Galaxies: A Robust Clue to the Nature of the Progenitors* **
We present a comprehensive study to measure the locations of gamma-ray bursts (GRBs) relative to their host galaxies. In total, we find the offsets of 20 long-duration GRBs from their apparent host…
ERRATUM - A THIRD UPDATE OF THE STATUS OF THE 3CR SOURCES - FURTHER NEW REDSHIFTS AND NEW IDENTIFICATIONS OF DISTANT GALAXIES
We present the third major update of new optical and radio data for the strong sources in the Revised Third Cambridge Catalogue (hereafter 3CR). New positions, redshifts, magnitudes, and…
Identification of a host galaxy at redshift z = 3.42 for the γ-ray burst of 14 December 1997
Knowledge of the properties of γ-ray bursts has increased substantially following recent detections of counterparts at X-ray, optical and radio wavelengths. But the nature of the underlying physical…
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