Results 81 to 90 of about 200,926 (234)

Astronomical Chronology Framework of the Lingshui Formation (Oligocene) in the Northern South China Sea

Journal of Marine Science and Engineering
This study has determined the period of sedimentation of the Lingshui Formation as the Oligocene (Rupelian-Chattian) through biostratigraphic data, including planktonic foraminifera zonation.
Jianhao Liang, Yaning Wang, Shangfeng Zhang, Yubing Liang, Gaoyang Gong, Rui Han   +5 more
doaj   +1 more source

Fast Catalog Matching for Improved Posteriors via Constrained Clustering

The Astronomical Journal
We propose a novel approximate method for the probabilistic catalog matching problem that provides better solutions than previously used heuristics and scales well for large real-world applications.
Jacob Feitelberg, Tamás Budavári, Amitabh Basu   +2 more
doaj   +1 more source

On the Radio Method of Determining the Astronomical Unit [PDF]

, 1969
D. O. Muhleman
openalex   +1 more source

On the segmentation of astronomical images via level-set methods [PDF]

, 2019
Silvia Tozza, Maurizio Falcone
openalex   +1 more source

Astronomical high-contrast imaging of circumstellar disks: MUSTARD inverse-problem versus PCA-based methods [PDF]

, 2023
S. Juillard, Valentin Christiaens, Olivier Absil   +2 more
openalex   +1 more source

Bayesian Estimation of Past Astronomical Frequencies, Lunar Distance, and Length of Day From Sediment Cycles

Geochemistry, Geophysics, Geosystems
Astronomical cycles recorded in stratigraphic sequences offer a powerful data source to estimate Earth's axial precession frequency k, as well as the frequency of rotation of the planetary perihelia (gi) and of the ascending nodes of their orbital planes
A. Malinverno, S. R. Meyers
doaj   +1 more source

Deconvolution of astronomical images using the multiscale maximum entropy method [PDF]

, 1996
E. Pantin, Jean‐Luc Starck
openalex   +1 more source

Modelling the astronomical silicate features – I. On the spectrum subtraction method [PDF]

, 2002
Aigen Li, J. Mayo Greenberg, Gang Zhao
openalex   +1 more source

Six Maxims of Statistical Acumen for Astronomical Data Analysis

The Astrophysical Journal Supplement Series
The acquisition of complex astronomical data is accelerating, especially with newer telescopes producing ever more large-scale surveys. The increased quantity, complexity, and variety of astronomical data demand a parallel increase in skill and ...
Hyungsuk Tak, Yang Chen, Vinay L. Kashyap, Kaisey S. Mandel, Xiao-Li Meng, Aneta Siemiginowska, David A. van Dyk   +6 more
doaj   +1 more source

Spiritual Contributions of TGH. Ibrahim Al-Khalidy’s Prayer to SDGs Achievement on Lombok Island

Profetika
Objective:  The purpose of this study is to analyze the algorithm for the preparation of the Prayer Schedule Throughout the Lifetime by TGH. Ibrahim al-Khalidy, evaluated its relevance, as well as tested its accuracy.
Abdul Kohar
doaj   +1 more source