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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 06/10/2026

A recent open-access conference summary published in @paspjournal.bsky.social provides an overview of the current physics and chemistry of N- and O-bearing species in the interstellar medium inspired by discussions at the August 2025 Lorentz Center workshop. iopscience.iop.org/article/10.1...

Two examples of O- and N-bearing iCOMs dichotomy. From Bouvier, Enrique-Romero and De Simone (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 06/10/2026

In a recent open-access article published in @paspjournal.bsky.social an assessment and analysis of the reliability of zodiacal background models at small solar elongations is presented. iopscience.iop.org/article/10.1...

Comparison of DIRBE-based model predictions at solar elongations of 30 and 45 degrees at 8 micron. From Kiss etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 06/10/2026

A recent open-access article published in @paspjournal.bsky.social presents an analysis of the astrophysical properties of 14 understudied open clusters from Gaia DR3. iopscience.iop.org/article/10.1...

Bayesian parameter estimation results for the representative cluster Pismis 18. From Koc etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 01/10/2026

A recent article published in @paspjournal.bsky.social presents a demonstration of the time-domain capabilities of the 4m International Liquid Mirror Telescope (ILMT) with an early census of transient and variable detections. iopscience.iop.org/article/10.1...

From left to right in each panel: science, reference, and difference image cutouts of three ILMT-discovered transient candidates. From Pranshu etal (2026)

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 01/10/2026

A recent article published in @paspjournal.bsky.social presents an auditing analysis of early excesses in Type Ia supernova forced photometry. iopscience.iop.org/article/10.1...

Pre-event false-trigger rates before and after empirical extra-scatter
calibration. From Mirzaqulov, Turaev & Ehgamberdiev (2026)

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 01/10/2026

A recent article published in @paspjournal.bsky.social presents a reliability-audited Jeans model comparison of the constraints on extended non-luminous mass profiles in Galactic globular clusters. iopscience.iop.org/article/10.1...

Kinematic-channel coverage for the 15-cluster sample analyzed. From Turaev, Nuritdinov & Yuldoshev (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 01/10/2026

A recent article published in @paspjournal.bsky.social describes the analysis of KMT-2026-BLG-0083L, a two-Jovian-planet system orbiting an M Dwarf star discovered using microlensing measurements. iopscience.iop.org/article/10.1...

Light curve of the microlensing event KMT-2026-BLG-0083. The lower panel presents the full light curve, while the upper two panels show enlarged views of the anomaly features indicated by the arrows labeled t1 and t2. From Han etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social describes the on-orbit calibration of the image artifact correction for the PolCam polarimetric camera on Danuri, South Korea's first lunar orbiter. iopscience.iop.org/article/10.1...

Example of severe smear artifacts observed near the Marius B crater at a phase angle of ∼105°. From Baek etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent article published in @paspjournal.bsky.social describes a sky-validated Remote Direct Memory Access (RDMA)-fed GPU FX correlator for the Qilu University Explorer Survey Telescope (QUEST). iopscience.iop.org/article/10.1...

Reconfigurable real-time backend data flow, with the implemented PFB response shown as an inset. From Ding etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent article published in @paspjournal.bsky.social presents an error compensation algorithm for cooperative switching of multiple read heads in segmented arc grating encoders on large-aperture astronomical telescopes. iopscience.iop.org/article/10.1...

Distribution of multiple read heads on the azimuth and altitude axes of the proposed 14.5m optical-infrared telescope FORT. From Deng etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social presents a catalog of maser pointing calibrators for the Korean VLBI Network. iopscience.iop.org/article/10.1...

Sky distribution of maser pointing calibrators for the KVN shown in Galactic coordinates using an Aitoff projection. From Kim etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social analyzes how a 3.5-times enhancement in Super-Jupiter recovery with Saturn-like periods can be attained with a critical radial velocity measurement. iopscience.iop.org/article/10.1...

The outcomes of the Octofitter runs without (left) and with (right) the critical RV on synthetic system 23, whose planet has P=8113.4 days and Mpl=4.46 MJ and which was selected as a clear demonstration of the effect of including a critical RV on accurate and precise planet recovery. From Tagliavia & Weiss (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social describes optical-to-infrared phase curve measurements of the inhomogeneous cloud coverage and altitude-dependent heat transport in the Hot-Jupiter NGTS-10 Ab. iopscience.iop.org/article/10.1...

Broadband and spectroscopic light curve fits of NGTS-10Ab. From Coulombe etal. (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social describes a technique for automated detection of double-lined spectroscopic binaries in high-resolution spectra which includes a probabilistic analysis of stellar multiplicity. iopscience.iop.org/article/10.1...

A segment of the stitched and continuum-normalized KPF spectrum of the Sun, which is used throughout this paper for demonstrative purposes. From Salazar, Giacalone & Howard (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social analyzes the population demographics of post-interaction White Dwarf Main Sequence binaries from common envelope evolution to stable mass transfer. iopscience.iop.org/article/10.1...

Initial Roche lobe radius against initial primary mass for a subset of the simulated systems. From Yamaguchi, El-Badry, & Shariat (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 29/09/2026

A recent open-access article published in @paspjournal.bsky.social presents an analysis of methods for separating the optical to near-infrared light of AGN and their host galaxies. iopscience.iop.org/article/10.1...

Example fit of the source SDSS1420+5300A (Rb_ID: aegis_742_1, zspec =1.644) across all available JWST filters. From Dewsnap, Barmby & Gallagher (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 24/09/2026

A recent open-access article published in @paspjournal.bsky.social predicts the detectability of supermassive Black Hole binaries with ground and spaceborne Very Long Baseline Interferometry (VLBI) measurements. iopscience.iop.org/article/10.1...

Diagram illustrating key supermassive Black Hole binary model geometric properties (not to scale). From Hudson etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 24/09/2026

A recent open-access article published in @paspjournal.bsky.social describes the discovery and analysis of supernovae within archival measurements from the MeerLICHT transient survey. iopscience.iop.org/article/10.1...

MeerLICHT postage stamps centered at the position of SN2019lub on 2019 August 17, UT 20:09:43.859. Top left: q-band reduced image. Top right: q-band reference science image. SN2019lub was discovered in the reference image, with the subsequent reduced images showing the SN in its fading phase. From Mogawana etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 24/09/2026

A recent open-access article published in @paspjournal.bsky.social describes how White Dwarf kicks can arise from episodic mass ejection from Red Giant stars. iopscience.iop.org/article/10.1...

Cartoon showing an asymmetric mass ejection event and resulting recoil imparted to the AGB star. From Fuller (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 24/09/2026

A recent open-access article published in @paspjournal.bsky.social describes the calibration of an analog-to-digital conversion nonlinearity in @nasawebb.extwitter.link Near Infrared Imager and Slitless Spectrograph (NIRISS) measurements. iopscience.iop.org/article/10.1...

Residuals obtained from subtracting the corrected and uncorrected reduced spectra from the NIRISS SOSS data of WASP-39 (corrected-uncorrected). From Dholaki etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 24/09/2026

A recent article published in @paspjournal.bsky.social presents a spatio-temporal deep learning architecture for moving-object tracklet verification in wide-field optical surveys. iopscience.iop.org/article/10.1...

Representative examples from the model-catalog discrepancy set. Left: tracklets predicted as RCT by the model but labeled as UCT in the catalog, many of them exhibit coherent motion consistent with genuine moving objects. Right: tracklets predicted as UCT but labeled as RCT, they are often associated with faint streaks, maneuvering objects or ambiguous instrumental patterns. The figure illustrates the impact of label noises and catalog incompleteness on real-world tracklet classification.

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 24/09/2026

A recent open-access article published in @paspjournal.bsky.social describes AstroSURE, a framework for evaluating and comparing deep-learning astronomical image denoising methods that can be trained without clean ground-truth images. iopscience.iop.org/article/10.1....

Visual comparison of a 256 × 256 pixel patch from the real observational HST WFC3 dataset. The left panel shows the original noisy input, and the right panel displays the output after unsupervised adaptation using the SURE-trained denoiser. From Vaheb, Fabbro and Draper (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 22/09/2026

A recent article published in @paspjournal.bsky.social describes Nii-MALA, a fast Metropolis-Adjusted Langevin sampler with radial velocity benchmarks for efficient modeling of large samples of radial velocity measurements. iopscience.iop.org/article/10.1...

Corner plots for the two-dimensional bimodal benchmark, obtained using Nii-MALA (MALA) and Nii-C (RWM). From Jiao etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 22/09/2026

A recent open-access article published in @paspjournal.bsky.social presents a study of the deuteration of organic molecules as a probe of starless core and filament evolution in the quiescent Barnard 10 region. iopscience.iop.org/article/10.1...

Left: A map of the B10 region in the column density of H2. Right: A map of the B10 region in the maximum likelihood velocity of pNH3 from observations of its (1, 1) inversion transition. From Andras-Letanovszky etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 22/09/2026

A recent open-access article published in @paspjournal.bsky.social presents a study of ionized nebulae around two new symbiotic stars, GR Cygni and [D75] 141. iopscience.iop.org/article/10.1...

Color image of the nebula StDr Objet 14 surrounding the variable star GR Cyg, created from 87.8 hr of exposure time in RGB and Hα+[NII] filters. From Bond etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 22/09/2026

A recent open-access article published in @paspjournal.bsky.social describes a triple-star evolutionary channel which involves two common envelope evolution (CEE) phases to form close binary black hole (BBH) systems. iopscience.iop.org/article/10.1...

Schematic evolutionary pathway of a hierarchical triple system leading to the formation of a merging BBH. From Unger and Soker (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 22/09/2026

A recent open-access article published in @paspjournal.bsky.social presents detailed photometric modeling of ten W UMa contact binary stars and a revised empirical period-mass relationship for short-period binary stars. iopscience.iop.org/article/10.1...

Mass–Luminosity (left) and Mass–Radius (right) diagrams for the 10 systems analyzed in this study. From Poro etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 22/09/2026

A recent article published in @paspjournal.bsky.social describes Blast, a web application for characterizing the host galaxies of astrophysical transients. iopscience.iop.org/article/10.1...

Examples of computed elliptical apertures for photometry from Blast using g-band images from Pan-STARRS. From Jones etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 17/09/2026

A recent open-access article published in @paspjournal.bsky.social presents the SpectraNet spectroscopic neural network transient classifier within the AppleCiDEr transient classification system. iopscience.iop.org/article/10.1....

Schematic architecture of SpectraNet. From Xu etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 17/09/2026

A recent open-access article published in @paspjournal.bsky.social presents an analysis of exoplanetary intra-system uniformity as a product of planetary embryo accumulation. iopscience.iop.org/article/10.1...

Distribution of period ratios among neighboring planets in the simulated systems studied in this analysis. From Liveoak and Adams (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 17/09/2026

A recent article published in @paspjournal.bsky.social presents an analysis of the capabilities of the Black Hole Explorer (BHEX) for resolving nearby supermassive black holes. iopscience.iop.org/article/10.1...

The detectable black hole threshold lines for each parameter at 240GHz, together with the cumulative number density of SMBHs (left) and the ETHER sample in the northern campaign (center) and southern campaign (right). From Akiyama etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 15/09/2026

A recent open-access article published in @paspjournal.bsky.social presents an analysis of the possible causes of Gaia parallax bias using spherical harmonics implemented within the varpi3.py (zenodo.org/records/2170...) python tool. iopscience.iop.org/article/10.1....

Sky distribution of Gaia CRF3 parallax bias reconstructed with 81 spherical harmonic functions to degree 8. The color-coded offset values are in μas. From Makarov and Berghea (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 10/09/2026

A recent open-access article published in @paspjournal.bsky.social describes the implementation and development of iterative Poisson solvers for self-gravitating systems with GPUs in the Astaroth platform. iopscience.iop.org/article/10.1....

Computed potential and analytical potential traced along the x and z axes for the problem stated in the article. From Krasnopolsky etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 10/09/2026

A recent open-access article published in @paspjournal.bsky.social describes the Wide-field Infrared Transient Explorer (WINTER), a near-infrared time-domain survey instrument operated on a dedicated robotic 1m telescope at Palomar Observatory. iopscience.iop.org/article/10.1....

WINTER mounted on its dedicated robotic telescope, including the enclosed optics and sensor box, electronics support boxes, liquid cooling, the filter tray and a cable wrap. From Frostig etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 08/09/2026

A recent open-access article published in @paspjournal.bsky.social presents a multi-sector TESS photometric and spectral energy distribution analysis of the eclipsing binary CPD-82 291. iopscience.iop.org/article/10.1....

TESS Sector94 light curve and the corresponding median posterior model obtained with PHOEBE 2.4.The lower panel shows the residuals, O−C. From Bakis & Yucel (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 08/09/2026

A recent open-access article published in @paspjournal.bsky.social presents an analysis of the long-term optical and infrared variability and color behavior of the blazar OJ287. iopscience.iop.org/article/10.1....

Multi-band optical and near-infrared light curve of OJ 287 in the B, V, R and J bands derived from archival SMARTS observations. From Iyida etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 03/09/2026

A recent open-access article published in @paspjournal.bsky.social describes the commissioning and first results from the Thirty and Forty GHz instrument (TFGI) on the QUIJOTE telescope at the Teide Observatory. iopscience.iop.org/article/10.1....

Intensity maps of the Cygnus region with QUIJOTE-TFGI, WMAP and Planck. From Fernandez-Torreiro etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 03/09/2026

A recent article published in @paspjournal.bsky.social presents an analysis of baseline-aware stationary continuous-time autoregressive moving-average (CARMA) models of long-baseline University of Michigan Radio Astronomy Observatory (UMRAO) radio light curves. iopscience.iop.org/article/10.1....

Representative diagnostics for PKS 1127−145 at 4.8GHz and CTA 102 at 8.0GHz (retained) and PKS 1510−089 at 14.5GHz (mismatch). From Li etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 03/09/2026

A recent article published in @paspjournal.bsky.social presents the analysis of three microlensing planet events from the 2023 KMTNet subprime-field observing session. iopscience.iop.org/article/10.1....

Light curve and models for KMT-2023-BLG-1697. The symbols are the same as those in Figure 1. From Li etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 03/09/2026

In a recent open-access article published in @paspjournal.bsky.social a spectral energy distribution analysis for Habitable Worlds Observatory target stars is presented. iopscience.iop.org/article/10.1....

Representative spectral energy distribution fits for four HWO ExEP target stars: HD2151 (upper left), HD3651A (upper right), HD4813 (lower left),and HD 10700 (lower right). From Kane etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 01/09/2026

A recent open-access article published in @paspjournal.bsky.social presents a photometric light curve study of three cool low-mass W UMa-type contact binary star systems. iopscience.iop.org/article/10.1....

M - L and M - R diagrams for the contact binaries studied. From Poro etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 27/08/2026

A recent open-access article published in @paspjournal.bsky.social presents an analysis of thermally inflated accretors in post-mass transfer binary star systems. iopscience.iop.org/article/10.1....

The Gaia color–magnitude diagram (CMD) showing the position of the thermally inflated accretor A35 (effectively, the companion) in the subgiant branch. The inset presents 100 random samples of the Gaia orbital solution for visualization of the orbit. From Bhattacharjee etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 25/08/2026

A recent open-access article published in @paspjournal.bsky.social presents a feasibility study for novel astrophysical applications of the La Paz Southern Sky Survey spectral plate measurements from the German Bolivia astronomical expedition of 1926-1929. iopscience.iop.org/article/10.1....

Digitized La Paz Series 1 plate 60066 (SA 173, Vela/Carina) with
the bright reference stars (“fixed stars”; e.g. ψVel, z Vel, u Vel) labeled. From Zafar, Hudec, and Ennes (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 25/08/2026

A recent open-access article published in @paspjournal.bsky.social describes the first Very Long Baseline Interferometry (VLBI) fringe detection at 690 GHz. iopscience.iop.org/article/10.1....

Fringe amplitude and SNR as a function of solution interval for VLBI detections at 230 GHz (left) and 690 GHz (right). From Chen etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 25/08/2026

A recent open-access invited review published in @paspjournal.bsky.social presents an analysis of the physical mechanisms underlying planetary ejection that results in free-floating planets. iopscience.iop.org/article/10.1....

Schematic overview of instability-inducing mechanisms through which planets may be ejected from a system. From Rice, DeRocco, & Raymond (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 20/08/2026

A recent open-access article published in @paspjournal.bsky.social presents a deep census of brown dwarf substellar objects in the @nasawebb.extwitter.link COSMOS-Web survey. iopscience.iop.org/article/10.1....

Color-color diagrams of the final brown dwarf candidates shown with theoretical atmospheric models. From Festin etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 18/08/2026

A recent article published in @paspjournal.bsky.social presents a unified photometric-dynamical framework for globular clusters which links photometric reconstruction with Jeans-based consistency checks for 18 globular clusters. iopscience.iop.org/article/10.1....

Observed and Jeans-predicted proper-motion velocity-dispersion profiles for representative clusters. Left panels show the data and scaled Jeans predictions; right panels show standardized residuals. From Turaev, Nuritdinov & Yuldoshev (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 18/08/2026

A recent open-access article published in @paspjournal.bsky.social presents a technique which uses irregularly-sampled light curves from the Zwicky Transient Facility to classify quasar types without a spectrum. iopscience.iop.org/article/10.1....

Interpretation of the physical phenomena in AGNs responsible for the dominant variability regimes at play in archetypal Type 1 and Type 2 quasar variance curves. From Helias etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 18/08/2026

A recent article published in @paspjournal.bsky.social presents a quantitative assessment of cloud cover and sky brightness based on all-sky camera photometry. iopscience.iop.org/article/10.1....

Four-channel FITS images extracted from a KLCAM RAW image. Their corresponding color bands are also shown. From Yang etal (2026).

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Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social · 18/08/2026

A recent open-access article published in @paspjournal.bsky.social presents an investigation of calcium dust in the interstellar medium. iopscience.iop.org/article/10.1....

X-ray absorption spectra of the Ca-bearing dust analogues measured
at TPS32A and TLS16A1, NSRRC. From Chu etal (2026).

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