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13 papers · 1 filter
When Gravity Fails: Local Search Topology
J. Frank, P. Cheeseman, J. Stutz
Local search algorithms for combinatorial search problems frequently encounter a sequence of states in which it is impossible to improve the value of the objective function; moves…
Attributes of GRB Pulses: Bayesian Blocks Analysis of TTE Data; a Microburst in GRB 920229
Jeffrey D. Scargle, Jay Norris, Jerry Bonnell
Bayesian Blocks is a new time series algorithm for detecting localized structures (spikes or shots), revealing pulse shapes, and generally characterizing intensity variations. It m…
Understanding the Cool DA White Dwarf, G29-38
S. J. Kleinman, R. E. Nather, D. E. Winget +37
The white dwarfs are promising laboratories for the study of cosmochronology and stellar evolution. Through observations of the pulsating white dwarfs, we can measure their interna…
Bayesian Blocks, A New Method to Analyze Structure in Photon Counting Data
Jeffrey D. Scargle
I describe a new time-domain algorithm for detecting localized structures (bursts), revealing pulse shapes, and generally characterizing intensity variations. The input is raw coun…
High-resolution near-infrared imaging of the Orion 114-426 silhouette disk
Mark J. McCaughrean, Hua Chen, John Bally +6
We present the first high-resolution near-infrared images of the edge-on silhouette circumstellar disk, Orion 114-426, made using NICMOS on the Hubble Space Telescope. Images taken…
ISO measurements of [CII] line variations in galaxies
S. Malhotra, G. Helou, G. Stacey +11
We report measurements of the [CII] fine structure line at 157.714 micron in 30 normal star-forming galaxies with the Long Wavelength Spectrometer (LWS) on the Infrared Space Obser…