[PDF] StarFlow: Leveraging Normalizing Flows for Stellar Age Estimation in SDSS-V DR19
A Stone-Martinez, JA Holtzman, SH Imig, EJ Griffith… - arXiv preprint arXiv …, 2025
… error margins, these predictions are more robust and reflective of the true data
distribution encountered in astronomical observations. … most densely populated
parts of parameter space. In subsequent sections, we refer to this value as the …
[PDF] Augmenting X-ray Astronomical Representations with Scientific Knowledge through Contrastive Learning
JR Martínez-Galarza, NOP Vago, S Raval… - Second Workshop on …
… In addition, a large amount of physics-specific knowledge about these objects has
been accumulated in the astronomical literature. We introduce a physics-informed
representation alignment framework that matches X-ray observations of …
[PDF] LARGE-SCALE DATA ENGINEERING IN SPACE EXPLORATION: MANAGING DATA FROM THE COSMOS
S Parimi
… According to recent studies in space data management systems, the complexity of
handling astronomical data has increased exponentially, with modern space
missions generating data volumes that surpass previous decades by orders of …
[PDF] Computation of the Z parameter of galaxies from astronomical data bases using deep learning techniques
Κ Περατινός - 2025
… We will use a dataset provided by the European Space Agency’s ”Gaia Mission”
and we will try to implement a neural network that predicts a … The solutions
provided are important not only in the field of astronomy but also in every domain of …
Empowering Student-Led Space Exploration: Deployment of an Innovative Multi-Band Ground Station for Amateur Satellite Communications and Operations
L Lebrun, A Dupont - … of the International Astronautical Congress, IAC, 2024
… The GS versatility opens the door to a wide range of applications, including radio
astronomy or Space Situational Awareness, and benefits … professional standards
within a competitive budget, outlining how the space sector and more specifically the …
[PDF] About the search for rings around Pluto.
VA Petrovych
… In order to search for possible potentially dangerous objects when plotting the
trajectory of the "New Horizons" space probe, it was planned to use astronomical
images of the starry sky near Pluto, specially obtained by the Hubble telescope. This …
[PDF] Galactic cosmic ray spectral measurements with the DAMPE space mission
I Cagnoli, I De Mitri - EPJ Web of Conferences, 2025
The space-based DAMPE (DArk Matter Particle Explorer) detector has been taking
data since its successful launch in December 2015. Its main scientific goals include
the indirect search for dark matter signatures in the cosmic electron and gamma-ray …
[HTML] Discovery of an RRAT-like Pulsar via Its Single Pulses in a Murchison Widefield Array Imaging Survey
SJ Mcsweeney, J Moseley, N Hurley-Walker, G Grover… - The Astrophysical Journal, 2025
We report the discovery of PSR J0031–5726 in the Galactic and Extragalactic All-sky
Murchison Widefield Array Extended imaging survey at a Galactic latitude of b≈− 60∘.
The pulsar exhibits both sporadic, extremely bright pulses reminiscent of rotating …
[HTML] Real-time inference for binary neutron star mergers using machine learning
M Dax, SR Green, J Gair, N Gupte, M Pürrer… - Nature, 2025
… neural architectures, so we divide the parameter and data spaces into
manageable portions based on known physical information. We … Prior
conditioning works well for BNS inference, and it could be extended to address …
[HTML] Object detection on space-based optical images leveraging machine learning techniques
SS Rizzuto, R Cipollone, A De Vittori, P Di Lizia… - Neural Computing and …, 2025
… Another notable differentiation lies in the background noise of the image derived
from an actual space-based image, coming from the Canadian Astronomy Data
Center and sourced from NEOSSAT (Fig. 8), adding a layer of authenticity to the …
Double-phase image encryption using interference concept, Devil's fractional vortex Fresnel lens phase masks, and the gyrator transform
H Singh - Optik, 2025
This paper includes a security analysis based on interference, utilizing the gyrator
transform (GT), structured phase masks (SPMs), and a phase key created by a devil’s
fractional vortex Fresnel lens (DFVFL) in the middle plane. The DFVFL enhances the …
[PDF] 50 MHz ANTENNA FEED DESIGN FOR uGMRT
A Sengupta - 2025
… weak signals from distant astronomical sources. The gain is within the acceptable
range for radio astronomy applications, providing the … Space Efficiency: The
GMRT antennas are designed with limited mounting space. By combining the quad …
[PDF] Constraints on asteroid-mass primordial black holes in dwarf galaxies using Hubble Space Telescope photometry
N Esser, C Filion, S De Rijcke, N Kallivayalil… - arXiv preprint arXiv …, 2025
… Using photometric observations of three ultra-faint dwarf galaxies from the Hubble
Space Telescope, we show that it is unlikely that their mass functions have been
significantly modified by PBHs, and we place constraints on the PBH abundance. In …
[HTML] Experimental and computational study of phase space dynamics in strongly coupled plasmas with steep density gradients
S Bergeson, M Schlitters, M Miller, B Farley, D Sieverts… - Physics of Plasmas, 2025
… Here, we present the first detailed phase-space measurements of a strongly
coupled plasma as it evolves from sharp density gradients to thermal equilibrium.
Using laser-induced fluorescence imaging of an ultracold calcium plasma, we track …
[PDF] New insight into the hard X-ray emission influenced by the type-\uppercase\expandafter {\romannumeral1} bursts observed by Insight-HXMT during outburst of 4U …
JQ Peng, S Zhang, YP Chen, LD Kong, PJ Wang… - arXiv preprint arXiv …, 2025
By analyzing the data from Insight-HXMT and NICER, we can determine the
evolution of the significance of the hard shortage in 4U 1636--536 with its spectral
state, as well as the evolution of the fraction of deficit with energy. Additionally, we …
[PDF] Characterization of the Deep, Extended Kuiper Belt in the Galactic Disk
SD Benecchi, SB Porter, AJ Verbiscer, DW Gerdes… - arXiv preprint arXiv …, 2025
… a Roman Space Telescope survey to investigate fundamental properties of the
distant solar system in the region of the Kuiper Belt where object characteristics and
the size distribution are inaccessible from any other telescope. Our pointing is …
[PDF] Risk Communication and the Search for Life Beyond Earth: Challenges of Risk Amplification, Risk Information Seeking, and Risk Message Design for Research and …
A Schwarz
… However, given the immense costs and increasing frequency of space missions
and astronomical observation related to astrobiology, risk scenarios may become
relevant sometime in the future. SETL-related institutions should prepare for …
[PDF] Self-Consistent JWST Census of Star Formation and AGN activity at z= 5.5-13.5
JCJ D'Silva, SP Driver, CDP Lagos, ASG Robotham… - arXiv preprint arXiv …, 2025
… Because the presence of real astronomical sources may bias the row and column
medians, … involves filtering spurious detections in catalog space or manually
masking the affected areas … The residual diffraction spike artifacts can be removed …
[PDF] A semi-cosmographic approach to study cosmological evolution in phase space
P Chavan, TG Sarkar, CBV Dash, AA Sen - arXiv preprint arXiv:2503.03288, 2025
… to study cosmological evolution in the phase space of dimensionless variables x
= HoDA/c and p … evolution in phase space and the semi-cosmographic method to
reconstruct the back- … data sources used to constrain the parameter space. In …
[PDF] CORINOS. III. Outflow Shocked Regions of the Low-mass Protostellar Source IRAS 15398-3359 with JWST and ALMA
Y Okoda, YL Yang, NJ Evans II, J Kim, M Jin… - arXiv preprint arXiv …, 2025
… The data presented in this paper were obtained from the Mikulski Archive for
Space Telescopes (MAST) at the Space Telescope Science Institute. The specific
observations analyzed can be accessed via doi: 10.17909/wv1n-rf97 and doi …
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