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Publications of the Astron Society of the Pacific @PASPJournal

Publishing original research in astronomy & astrophysics since 1889. Currently led by Editor-in-Chief @jeffreygmangum Tweets from the EIC are signed – JGM

Joined October 2017
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A recent open-access article published in @PASPJournal describes BOOM and Babamul, a real-time muti-survey optical alert broker system. iopscience.iop.org/article/1…. -JGM
Flowchart for BOOM. From Jegou du Laz etal (2026).

ALT Flowchart for BOOM. From Jegou du Laz etal (2026).
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A recent open-access article published in @PASPJournal describes a precise and rapid kilonova parameter inference algorithm which uses a conditional variational encoder. iopscience.iop.org/article/1…. -JGM
Mean squared error calculated between the true and CVAE-generated physical parameters for chirp mass, mass ratio, fraction of the remnant disk and viewing angle while grouped according to the filter bands. From Saha & Kong (2026).

ALT Mean squared error calculated between the true and CVAE-generated physical parameters for chirp mass, mass ratio, fraction of the remnant disk and viewing angle while grouped according to the filter bands. From Saha & Kong (2026).
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A recent open-access article published in @PASPJournal presents an analysis of the effects of baseline length on the Large Interferometer For Exoplanets (LIFE) space mission. iopscience.iop.org/article/1…. -JGM
Integration time required to detect an Earth-twin around a given star to a SNR of 7, plotted as a function of stellar parameters. From Hansen etal (2026).

ALT Integration time required to detect an Earth-twin around a given star to a SNR of 7, plotted as a function of stellar parameters. From Hansen etal (2026).
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A recent article published in @PASPJournal presents an analysis of the optical atmospheric extinction curve at the Lenghu astronomical site. iopscience.iop.org/article/1…. -JGM
Sample atmospheric transmission profiles. From Qiu etal (2026).

ALT Sample atmospheric transmission profiles. From Qiu etal (2026).
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A recent open-access article published in @PASPJournal describes a stellar density classification and regression algorithm for multi-color images measured with the Chinese Space Station Survey Telescope (CSST). iopscience.iop.org/article/1…. -JGM
Representative samples of the six density classes used in the described classification algorithm. From Lai etal (2026).

ALT Representative samples of the six density classes used in the described classification algorithm. From Lai etal (2026).
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A recent open-access article published in @PASPJournal describes proto-Lightspeed, a high-speed ultra-low read noise imager on the Magellan Clay Telescope at Las Campanas Observatory. iopscience.iop.org/article/1…. -JGM
proto-Lightspeed (left and middle) and HST (right) images of the quadruply-lensed quasar DES J0420-4037 and its lensing galaxy. From Layden etal (2026).

ALT proto-Lightspeed (left and middle) and HST (right) images of the quadruply-lensed quasar DES J0420-4037 and its lensing galaxy. From Layden etal (2026).
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A recent article published in @PASPJournal describes a new technique for determining quasar photometric redshifts which uses a CLIP-based (Contrastive Language-Image Pre-training) cross-modal method. iopscience.iop.org/article/1…. -JGM
Architecture of the spectrum encoder based on masked modeling from Dong etal (2026).

ALT Architecture of the spectrum encoder based on masked modeling from Dong etal (2026).
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A recent article published in @PASPJournal describes the Proto-NUX prototype telescope for ground-based near-ultraviolet science, with a focus on measurements of hot rapidly-evolving transients. iopscience.iop.org/article/1…. -JGM
Transmission curves of the individual components contributing to the proto-NUX system throughput. From Sloot etal (2026).

ALT Transmission curves of the individual components contributing to the proto-NUX system throughput. From Sloot etal (2026).
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A recent open-access article published in @PASPJournal presents the Applying multimodal learning to Classify transient Detections Early (AppleCiDEr) framework for rapid transient classification. iopscience.iop.org/article/1…. -JGM
Graphical representation of AppleCiDEr's role in the planned ZTF production pipeline. From Junell etal (2026).

ALT Graphical representation of AppleCiDEr's role in the planned ZTF production pipeline. From Junell etal (2026).
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A recent open-access article published in @PASPJournal explores pool-based active learning to construct a unified data set from the Habitable World Catalog and the NASA Exoplanet Archive for habitability assessment. iopscience.iop.org/article/1…. -JGM
Class-conditional distributions of selected planetary and stellar parameters in the final data set. From El-Kholy & Hayman (2026).

ALT Class-conditional distributions of selected planetary and stellar parameters in the final data set. From El-Kholy & Hayman (2026).
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A recent open-access article published in @PASPJournal presents new basis functions for two-dimensional image analysis with a circular boundary, applicable to supernova remnant imaging. iopscience.iop.org/article/1…. -JGM
Example supernova remnant images, showing radio (left), smoothed x-ray (center), and unsmoothed x-ray (right) images used in this analysis. From Leahy etal (2026).

ALT Example supernova remnant images, showing radio (left), smoothed x-ray (center), and unsmoothed x-ray (right) images used in this analysis. From Leahy etal (2026).
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A recent open-access article published in @PASPJournal presents an analysis of long secondary periods (LSPs) in luminous pulsating red giant stars that disfavors low-mass stellar/substellar companions as the dominant origin of LSPs in evolved stars. iopscience.iop.org/article/1…. -JGM
Color-magnitude diagram of the LSP samples used in this work. From Shariat etal (2026).

ALT Color-magnitude diagram of the LSP samples used in this work. From Shariat etal (2026).
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A recent open-access article published in @PASPJournal describes the back-end system design for the Bustling Universe Radio Survey Telescope in Taiwan (BURSTT). iopscience.iop.org/article/1…. -JGM
Photo of the current 256-antenna main BURSTT array in Fushan. From Lin etal (2026).

ALT Photo of the current 256-antenna main BURSTT array in Fushan. From Lin etal (2026).
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A recent open-access article published in @PASPJournal presents an integrated machine learning framework for eclipsing binary classification and parameter estimation. iopscience.iop.org/article/1…. -JGM
Parameter distributions for OGLE predictions. The histograms show the distribution of inclination (i), mass ratio (q), and effective temperature ratio (Te2/Te1) separated by morphological class (blue: detached, green: semidetached, red: contact). From Ulas (2026).

ALT Parameter distributions for OGLE predictions. The histograms show the distribution of inclination (i), mass ratio (q), and effective temperature ratio (Te2/Te1) separated by morphological class (blue: detached, green: semidetached, red: contact). From Ulas (2026).
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A recent open-access article published in @PASPJournal presents a hybrid ensemble and deep learning framework for detecting high-redshift Lyman-alpha blobs in broadband surveys. iopscience.iop.org/article/1…. -JGM
Broadband imaging of eight new candidates discovered by the presented pipeline (top two rows), and the three known LABs in the test sample that were recovered (bottom row). From Goldines & Prescott (2026).

ALT Broadband imaging of eight new candidates discovered by the presented pipeline (top two rows), and the three known LABs in the test sample that were recovered (bottom row). From Goldines & Prescott (2026).
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A recent open-access article published in @PASPJournal investigates the role of core-dominance in shaping the emission structures in jetted active galactic nuclei. iopscience.iop.org/article/1…. -JGM
Gaussian Mixture Model clustering of BL Lacs and FR Is in beamed and unbeamed radio and gamma-ray parameter spaces. From Iyida etal (2026).

ALT Gaussian Mixture Model clustering of BL Lacs and FR Is in beamed and unbeamed radio and gamma-ray parameter spaces. From Iyida etal (2026).
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A recent open-access article published in @PASPJournal presents an analysis of light-tight Skipper-CCDs for application to x-ray detection systems in space. iopscience.iop.org/article/1…. -JGM
Schematics of the skipper-CCD surface cross sections implemented in the Geant4 simulations. From Botti etal (2026).

ALT Schematics of the skipper-CCD surface cross sections implemented in the Geant4 simulations. From Botti etal (2026).
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A recent article published in @PASPJournal describes the optical performance simulation and analysis of the Spectroscopy Focusing Array-Timing (SFA-T) X-Ray Telescope on board the enhanced X-Ray Timing and Polarimetry (eXTP) satellite. iopscience.iop.org/article/1…. -JGM
Vignetting characteristics for the focal plane camera system at 1.50 keV. From Zhu etal (2026).

ALT Vignetting characteristics for the focal plane camera system at 1.50 keV. From Zhu etal (2026).
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A recent open access article published in @PASPJournal presents new closed-form solutions for the interferometric visibility of a rotating star with an arbitrary inhomogeneous surface using spherical harmonics. iopscience.iop.org/article/1…. -JGM
The stellar rotation synthesis SPOT problem for a hypothetical observation with the CHARA Array. From Dholakia & Pope (2026).

ALT The stellar rotation synthesis SPOT problem for a hypothetical observation with the CHARA Array. From Dholakia & Pope (2026).
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A recent open-access article published in @PASPJournal describes a Siamese network model for enhancing the classification accuracy of Galactic HII Regions, with application to the LAMOST database. iopscience.iop.org/article/1…. -JGM
Impact of training set size on Siamese network classification accuracy. From Wang etal (2026).

ALT Impact of training set size on Siamese network classification accuracy. From Wang etal (2026).
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