All new submissions in the astro-ph category on Tue, 17 Feb 2026 have been posted.

Prospects of Indirect Detection of Dark Matter via Primordial Black Hole Induced Gravitational Waves https://arxiv.org/pdf/2602.15026 Debarun Paul, Md Riajul Haque, Supratik Pal.

Modeling isolated magnetar spin-down evolution and implications for long-period radio transients https://arxiv.org/pdf/2602.15024 Jon Kwong, Kaya Mori.

Gravitational Wave Echoes of the First Order Phase Transition in a Kination-Induced Big Bang https://arxiv.org/pdf/2602.15023 Richard Casey, Katherine Freese, Evangelos I. Sfakianakis.

Generalization from Low- to Moderate-Resolution Spectra with Neural Networks for Stellar Parameter Estimation: A Case Study with DESI https://arxiv.org/pdf/2602.15021 Xiaosheng Zhao, Yuan-Sen Ting, Rosemary F.G. Wyse, Alexander S. Szalay, Yang Huang, László Dobos, Tamás Budavári, Viska Wei.

Geodetically Anchored 0.30m Digital Elevation Model of the Chandrayaan-3 Vikram Landing Site from Chandrayaan-2 Orbital High Resolution Camera (OHRC) Stereo Imagery https://arxiv.org/pdf/2602.14993 Chandra Tungathurthi.

The radial velocity curve for HeII emission cannot be used for component mass determination in SS433 https://arxiv.org/pdf/2602.14978 A.V. Dodin, K.A. Postnov, A.M. Cherepashchuk.

Improved frequency hierarchy treatment for anisotropic spectral distortions https://arxiv.org/pdf/2602.14963 Jens Chluba, Sara Evangelista, Tom Daman, Geoff Vasil.

Multi-frequency mapping of the S255IR region at a wavelength of 1~mm https://arxiv.org/pdf/2602.14956 E. A. Mikheeva, S. V. Kalenskii, S.-Y. Liu, A. M. Sobolev, S. Kurtz.

[C/N] Ages and Extra-Mixing for [Fe/H] <- 0.5: Insights from the LMC and SMC https://arxiv.org/pdf/2602.14925 Yuxi Lu, John D. Roberts, Joshua T. Povick, Marc H. Pinsonneault, Madeline Howell, David L. Nidever, Jennifer A. Johnson.

Microphysical Model of Jupiter's Great Red Spot Upper Chromophore Haze https://arxiv.org/pdf/2602.14911 Asier Anguiano-Arteaga, Santiago Perez-Hoyos, Agustin Sanchez-Lavega, Patrick G. J. Irwin.

First detection of the TiO i1Pi-a1Delta system in stellar spectra and its laboratory characterization https://arxiv.org/pdf/2602.14895 M. R. Schmidt.

Recalibrating the Sensitivities of the STIS First-Order, Medium-Resolution Modes https://arxiv.org/pdf/2602.14891 Alex Fullerton.

Multiwavelength Characterization of a Dynamically Relaxed Cool Core Galaxy Cluster at $z=1.5$ https://arxiv.org/pdf/2602.14882 Anthony M. Flores, Adam B. Mantz, Steven W. Allen, R. Glenn Morris, Abigail Y. Pan, Taweewat Somboonpanyakul, Haley R. Stueber, Michael McDonald.

Exploring the magnetic field of the ultraluminous X-ray pulsar NGC 4631 X-8 https://arxiv.org/pdf/2602.14876 Amar Deo Chandra.

Reduction of bar fraction in paired galaxies in the SDSS https://arxiv.org/pdf/2602.14873 Linlin Li, Shuai Feng, Shiyin Shen, Qi'an Deng, Ying Zu, Wenyuan Cui.

Statistical Validation and Vetting of Exoplanet Candidate TOI 7475.01 https://arxiv.org/pdf/2602.14840 Biel Escolà-Rodrigo.

A universal critical accretion rate for black hole jet formation https://arxiv.org/pdf/2602.14838 Adelle J. Goodwin, Andrew Mummery.

The impact of the formation channel on gravitational-wave-galaxy cross-correlations https://arxiv.org/pdf/2602.14825 Kabir Chakravarti, Federico R. Urban.

The Habitable Worlds Observatory in Historical Context https://arxiv.org/pdf/2602.14823 Marc Postman, Karl Stapelfeldt.

Carbon chain diversity in L1544 and IRAS 16293-2422: an astrochemical pathfinder study for the SKAO https://arxiv.org/pdf/2602.14804 Lisa Giani et al.

Evidence for the merger hypothesis in V4332 Sgr: a low $^{12}$C/$^{13}$C ratio and multiple outbursts https://arxiv.org/pdf/2602.14781 D. P. K. Banerjee, A. Evans, Watson P. Varricatt, N. M. Ashok.

Infrared period-luminosity relations of Galactic Miras based on multi-epoch photometry and the Gaia parallax uncertainty https://arxiv.org/pdf/2602.14775 S. Uttenthaler, T. Lebzelter, S. Meingast.

Pulsar based modeling of point spread function of Fermi Large Area Telescope https://arxiv.org/pdf/2602.14764 J. Blunier, A. Neronov, D. Semikoz.

Exploring Non-minimal coupling using ultra-diffuse galaxies https://arxiv.org/pdf/2602.14747 Saboura Zamani, Vincenzo Salzano, Dario Bettoni.

Bounds on Lorentz invariance violation from muon fluctuations at the Pierre Auger Observatory https://arxiv.org/pdf/2602.14720 Pierre Auger Collaboration et al.

4U 1556-60 as a very faint neutron star X-ray binary at 700 pc with an undetected radio jet https://arxiv.org/pdf/2602.14695 Eliot C. Pattie, Thomas J. Maccarone, Thomas Russell, Matteo Bachetti, Nathalie Degenaar, Thomas Kupfer.

H.E.S.S. detection of the PSR J0855-4644 nebula https://arxiv.org/pdf/2602.14640 F. Aharonian et al.

Bayesian Cosmic Void Finding with Graph Flows https://arxiv.org/pdf/2602.14630 Leander Thiele.

Large-scale and local environmental drivers of quenching: tracing H$α$ concentration in X-ray and optical galaxy groups https://arxiv.org/pdf/2602.14628 Stefania Barsanti et al.

Infrared spectra of methane-containing ice mixtures for JWST data analysis https://arxiv.org/pdf/2602.14604 Varvara Karteyeva, Ruslan Nakibov, Igor Petrashkevich, Mikhail Medvedev, Anton Vasyunin.

Seismic detection of core magnetic fields in red giants using the gravity offset https://arxiv.org/pdf/2602.14570 Matisse Villate, Sébastien Deheuvels, Jérôme Ballot.

Human versus Artificial Intelligence; various significant examples in astrophysics https://arxiv.org/pdf/2602.14567 A. De Rújula.

Multiscale feature integration network for inpainting of full-sky CMB $B$-modes https://arxiv.org/pdf/2602.14547 Reyhan D. Lambaga, Vipin Sudevan, Pisin Chen.

Zel'dovich smearing approximation of the BAO feature for model-agnostic cosmological inference https://arxiv.org/pdf/2602.14533 Aseem Paranjape, Ravi K. Sheth.

Back to Normal Again: Possible Destinies of JWST overmassive SMBHs and "Little Red Dots" in the View of Shin-Uchuu Simulation https://arxiv.org/pdf/2602.14496 Haojie Hu, Hiroto Yanagisawa, Moka Nishigaki, Tomokazu Kiyota, Tomoaki Ishiyama, Ken Ohsuga.

Circular orbits and observational features of the rotating Simpson-Visser black hole surrounded by a thin accretion disk https://arxiv.org/pdf/2602.14458 Ziyang Li, Shou-Qi Liu, Jia-Hui Huang.

The Physical Properties of PS1-12sk and the Implications to Its Progenitor System https://arxiv.org/pdf/2602.14427 Kai-Li Mi, Shan-Qin Wang, Wen-Pei Gan, Qiu-Ping Huang, Tao Wang, En-Wei Liang.

Quintessence with tachyonic resonance and late-time cosmic-microwave-background and gravitational-wave signals https://arxiv.org/pdf/2602.14389 Shun Yoshioka, Kiyotomo Ichiki, Yuichiro Tada, Takahiro Terada.

Estimation of neutron star mass and radius of FRB 20240114A by identification of crustal oscillations https://arxiv.org/pdf/2602.14353 Hajime Sotani, Zorawar Wadiasingh, Cecilia Chirenti.

Atmospheric constraints on GJ 1214 b from CRIRES+ and prospects for characterisation with ANDES https://arxiv.org/pdf/2602.14343 A. Peláez-Torres, A. Sánchez-López, C. Jiang, E. Pallé, J. Orell-Miquel, M. López-Puertas, L. T. Parker, H. Diamond-Lowe.

Predicting New Concept-Object Associations in Astronomy by Mining the Literature https://arxiv.org/pdf/2602.14335 Jinchu Li, Yuan-Sen Ting, Alberto Accomazzi, Tirthankar Ghosal, Nesar Ramachandra.

Formation and Survival of Complex Organic Molecules in the Jovian Circumplanetary Disk https://arxiv.org/pdf/2602.14334 Olivier Mousis, Clément Petetin, Tom Benest Couzinou, Antoine Schneeberger, Yannis Bennacer.

Gravitational waves from supercooled phase transitions and pulsar timing array signals https://arxiv.org/pdf/2602.14324 Jinzheng Li, Pran Nath.

I-Band Asymptotic Giant Branch (IAGB) Stars: II. A First Estimate of their Precision and a Differential Zero Point https://arxiv.org/pdf/2602.14304 Wendy L. Freedman, Barry F. Madore, Taylor Hoyt, In Sung Jang, Abigail J. Lee, Kayla A. Owens.

Production of Jets before Neutron Star Mergers https://arxiv.org/pdf/2602.14300 Praveen Sharma, Maxim Lyutikov, Slava G. Turyshev, Maxim V. Barkov.

Gaia FGK Benchmark Stars: Selecting Infrared Lines for Abundance Determination https://arxiv.org/pdf/2602.14294 Scarlet Elgueta, Paula Jofré, Claudia Aguilera-Gómez, Ditte Slumstrup, Álvaro Rojas-Arriagada, Ulrike Heiter, Laia Casamiquela, Manuela Zoccali, Clare Worley, Caroline Soubiran.

I-Band Asymptotic Giant Branch (IAGB) Stars: I. Exploring a New Standard Candle for the Extragalactic Distance Scale https://arxiv.org/pdf/2602.14242 Barry F. Madore, Wendy L. Freedman, Taylor Hoyt, In Sung Jang, Abigail Lee, Kayla Owens.

Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma https://arxiv.org/pdf/2602.14218 Juncen Li, Xian Shi, Man-To Hui, Jianchun Shi.

PeV neutrons as origin of separated SS433 TeV signals https://arxiv.org/pdf/2602.14212 D. Fargion, P.G. De Sanctis Lucentini, S. Turriziani, M.Y. Khlopov, D. Sopin.