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The GRB/SN Connection: An Improved Spectral Flux Distribution for the SN-Like Component to the Afterglow of GRB 970228, the Non-Detection of a SN-Like Component to the Afterglow of GRB 990510, and GRBs as Beacons to Locate SNe at Redshifts z = 4 - 5
Daniel E. Reichart, Donald Q. Lamb, Francisco J. Castander
We better determine the spectral flux distribution of the supernova candidate associated with GRB 970228 by modeling the spectral flux distribution of the host galaxy of this burst…
The Low Resolution Spectrograph of the Hobby-Eberly Telescope II. Observations of Quasar Candidates from the Sloan Digital Sky Survey
D. P. Schneider, Gary J. Hill, X. Fan +1
This paper describes spectra of quasar candidates acquired during the commissioning phase of the Low-Resolution Spectrograph of the Hobby-Eberly Telescope. The objects were identif…
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data II: The Spring Equatorial Stripe
SDSS Collaboration, Xiaohui Fan
This is the second paper in a series aimed at finding high-redshift quasars from five-color (u'g'r'i'z') imaging data taken along the Celestial Equator by the Sloan Digital Sky Sur…
The Discovery of a High-redshift Quasar without Emission Lines from Sloan Digital Sky Survey Commissioning Data
SDSS Collaboration, Xiaohui Fan
We report observations of a luminous unresolved object at redshift z = 4.62, with a featureless optical spectrum redward of the Lyman alpha forest region, discovered from Sloan Dig…
L Dwarfs Found in Sloan Digital Sky Survey Commissioning Imaging Data
SDSS Collaboration, Xiaohui Fan
This paper describes the discovery of seven dwarf objects of spectral type `L' (objects cooler than the latest M dwarfs) in commissioning imaging data taken by the Sloan Digital Sk…
GRB 970228 and GRB 980329 and the Nature of Their Host Galaxie
D. Q. Lamb, Francisco J. Castander, Daniel E. Reichart
We find that the local galactic extinction towards the field of gamma-ray burst GRB970228 is , which implies a substantial dimming and change in the spect…
Evidence Against an Association Between Gamma-Ray Bursts and Type I Supernovae
C. Graziani, D. Q. Lamb, G. H. Marion
We use a rigorous method, based on Bayesian inference, for calculating the odds favoring the hypothesis that any particular class of astronomical transients produce gamma-ray burst…
Statistical Analysis of Spectral Line Candidates in Gamma-Ray Burst GRB870303
P. E. Freeman, C. Graziani, D. Q. Lamb +4
The Ginga data for the gamma-ray burst GRB870303 exhibit low-energy dips in two temporally distinct spectra, denoted S1 and S2. S1, spanning 4 s, exhibits a single line candidate a…
The Discovery of a Field Methane Dwarf from Sloan Digital Sky Survey Commissioning Data
SDSS Collaboration, Michael A. Strauss
We report the discovery of the coolest field dwarf yet known, selected as a stellar object with extremely red colors from commissioning imaging data of the Sloan Digital Sky Survey…
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data
SDSS Collaboration, X. Fan
We present photometric and spectroscopic observations of 15 high-redshift quasars (z > 3.6) discovered from ~140 deg^2 of five-color (u'g'r'i'z') imaging data taken by the Sloan Di…