• Exploring an X1.8 flare and associated quasi-periodic pulsations using SDO and Aditya-L1 observations, alongside NFFF extrapolation 

  Kumar, Pawan; Kumar, Sanjay; Sadashiv; Kanaujiya, Sachin Rajkapoor; Maurya, Yogesh Kumar (Springer Nature, 2026-10)

  The paper seeks to explore the initiation of an X1.8 class solar flare (SOL2024-10-09T0125) and the related quasi-periodic pulsations (QPPs), which are situated within NOAA active region 13848. To achieve this, we perform ...
• Transients and stellar activity as revealed by ultraviolet diagnostic tracers 

  de Grijs, R; Barstow, Martin A; Chahal, Deepak; Favata, Fabio; Fu, Xiaoting; Gomez De Castro, Ana; Hota, Sipra; Sutaria, F. K (Springer Nature, 2026-12)

  Ultraviolet (UV) observations offer unique insights into transient and variable astrophysical phenomena, from the Sun and nearby stars to supernovae and star-forming galaxies. Here, we summarise and review the diagnostic ...
• ROCKETS I: Investigating the impact of the rocket effect on two nearby young open clusters encased in infrared bubbles 

  Arun, R; Maheswar, G; Subramaniam, A; Saha, Piyali; Sudheesh, T. P; Shridharan, B; Mathew, B; Akhil, Krishna R (Cambridge University Press on behalf of Astronomical Society of Australia, 2026-10)

  We introduce ROCKETS (Rocket-driven Cluster Kinematics & Triggered Star-formation), a Gaia-based programme investigating kinematic fingerprints of stellar feedback or rocket effect in young star-forming regions. We analyse ...
• SDSS-V BHM: Evidence for a link between X-ray weakness and galaxy-scale ionised gas outflows in quasars 

  Demke, Delvin; Wylezalek, D; Wik, Daniel R; Vivek, M; Rankine, Amy L; Brandt, W. N; Schneider, D. P; Assef, Roberto J; Aydar, Catarina; Anderson, S. F (EDP Sciences, 2026-10)

  Active galactic nuclei (AGNs) are among the most powerful engines in the Universe. A central open question is how accretion physics, obscuration, and feedback are intertwined in shaping these systems. This paper presents ...
• 1.5D investigation of the Hanle effect in the Ca I 4227 line using partial frequency redistribution: Comparison of synthetic Stokes profiles in Bifrost and MURaM-ChE rMHD models 

  Agnihotri, Devang; Anusha, L. S; Przybylski, D; Cameron, R. H; Solanki, S. K (EDP Sciences, 2026-10)

  Context. Modeling scattering polarization in the Ca I 4227 Å line is important for diagnosing chromospheric magnetic fields. This requires solving the polarized radiative transfer equation, including the Hanle effect and ...
• SN 2023gfo: A peculiar type IIP supernova with high luminosity and normal plateau duration 

  Namba, Riko; Yamanaka, Masayuki; Maeda, K; Singh, A; Taguchi, Kenta; Nagayama, Takahiro; Kawabata, Miho; Kawabata, K. S; Nakaoka, Tatsuya; Sahu, D. K; Gangopadhyay, A; Anupama, G. C (American Astronomical Society, 2026-10-01)

  We present near-infrared (NIR) and optical observations of the highly reddened Type IIP supernova (SN) 2023gfo in the nearby galaxy NGC 4995 (d = 26.4 ± 3.2 Mpc), which reached a high peak luminosity of MV = -18.6 mag. The ...
• Grain alignment and dust evolution physics with polarisation (GRADE-POL): II. On the physical basis of Serkowski and super-Serkowski polarisation spectra 

  Le, Ngoc Tram; Hoang, Thiem; Andersson, B-G; Lazarian, Alex; Fanciullo, Lapo; Truong, Bao; Archana Soam (EDP Sciences, 2026-10)

  Optical-to-near-infrared interstellar polarisation, induced by aligned dust grains, generally follows a convex wavelength dependence, known as the Serkowski relation. However, observations in the ultraviolet (UV) and at ...
• JWST nebular spectroscopy of SN 2023qov: Circumstellar dust emission in a normal type Ia supernova 

  Macrie, Colin W; Larison, Conor; Sears, Huei; Kwok, Lindsey A; Jha, Saurabh W; Dai, Mi; Johansson, J; Blondin, Stephane; Andrews, Moira; Auchettl, Katie; Badenes, Carles; Barna, Barnabas; Bostroem, K. Azalee; Brink, Thomas G; Davis, Kyle W; Farah, Joseph R; Filippenko, A. V; Fox, O. D; Graur, Or; Hall, Saarah; Howell, D. A; Hosseinzadeh, G; Jerkstrand, Anders; Konyves-Toth, Reka; Lidman, C; Maeda, K; Maguire, Kate; Martin, Bailey; Miller, Adam A; Newsome, Megan; Padilla, Gonzalez, E; Polin, Abigail; Rest, Armin; Rosenberg, Zoe A; Sand, D. J; Schwab, Michaela; Siebert, Matthew R; Singh, Mridweeka; Szalai, Tamas; Temim, Tea; Terwel, Jacco H; Tucker, Brad E; Vinko, J; Wang, Lingzhi; Wang, Xiaofeng; Zheng, W (American Astronomical Society, 2026-10-01)

  We present panchromatic observations of the Type Ia supernova (SN Ia) 2023qov, ranging from ~2 weeks before to ~1 yr after maximum light. JWST near- and mid-infrared spectra at +276 and +363 days show ~400 K dust emission ...
• Long-term evolution of chromospheric plage areas from Kodaikanal observatory Ca II K images and their relation to solar activity indices 

  Chowdhury, Partha; Singh, J; Priyal, M; Ravindra, B (Springer Nature, 2026-10)

  This study investigates the correlation and phase relationships between chromospheric Ca II K plage areas and key solar activity indices—including sunspot number, sunspot area, and 10.7 cm radio flux—across Solar Cycles ...
• Investigating the young stellar populations and hierarchies in nearby galaxies with the UVIT. II. presenting the properties of ~25,000 UV-detected star-forming clumps 

  Shashank, Gairola; Subramanian, S; Mondal, Chayan; Menon, Shyam H; Subramaniam, A (American Astronomical Society, 2026-09)

  Studying young stellar populations within galaxies can help refine our understanding of recent star formation in galaxies and their evolution. With this motivation, we present a catalog of ~25,000 recently formed (within ...
• CHIME/slow overview and pilot survey: A new backend to search for second-duration radio transients with the CHIME telescope 

  Mate, Sujay; Luke, Kevin; Bhusare, Yash; Balasubramanian, Arvind; Pleunis, Ziggy; Scholz, Paul; Tendulkar, Shriharsh; Bhardwaj, Mohit; Brar, Charanjot; Dong, Fengqiu Adam; Fonseca, Emmanuel; Gaensler, B. M; Hessels, Jason; Huang, Jeff; Jain, Naman; Joseph, Ronniy C; Kaspi, Victoria M; Khan, Afrokk; Main, Robert; Meyers, Bradley W; Milutinovic, Nikola; Nimmo, Kenzie; Shin, Kaitlyn; Spear, David; Stairs, Ingrid; Tan, Chia Min (American Astronomical Society, 2026-09-01)

  We present an overview of CHIME/Slow, a real-time transient search backend under development to search for second-duration radio transients using the CHIME telescope, and results obtained from a pilot survey carried out ...
• The ALMA-QUARKS survey: Properties of hot molecular fragments in the massive protocluster IRAS 17233-3606 

  Chen, Li; Qin, Sheng-Li; Yang, Dongting; Jiao, Wenyu; Liu, Tie; Goldsmith, Paul F; Zhang, Zhenying; Li, Chuanshou; Xu, Feng-Wei; Dib, S; Gupta, Shivani; Tang, Xindi; Peng, Yaping; Tang, Mengyao; Juvela, Mika; Li, Di; Yang, A.Y; Liu, Meizhu; Zhen, Lingmin; Chibueze, J. O; Toth, L. Viktor; Hoque, Ariful; Stutz, Amelia M; Bronfman, Leonardo; Das, Swagat; Garcia, Pablo; Kim, Kee-Tae; Lee, Chang Won; Hwang, Jihye; Zou, Jia-Hang; Guo, Yongqi; Kou, Zhiping (American Astronomical Society, 2026-09-10)

  To investigate the physical mechanisms of fragmentation within the hot molecular core of the massive protocluster IRAS 17233-3606 (G351.78-0.54), we carried out a detailed analysis of continuum and lines using the Atacama ...
• Multiband optical photometric variability of the blazar OJ 287 from 2015 to 2025 

  Gupta, A. C; Dogra, Karan; Kidger, M; Valtonen, Mauri J; Wiita, P. J; Kushwaha, Pankaj; Savchenko, S. S; Kurtanidze, S. O; Jorstad, S; Marscher, A; Matsumoto, K; Poyner, G; Rahmatullaeva, F; Rajkumar, N; Ribes, N. G; Semkov, E; Shishkina, E. V; Stojanovic, M; Strigachev, A; Tripathi, Tushar; Troitskaya, Y. V; Troitskiy, I. S; Valero, J; Vasilyev, A. A; Villarroel, B; Volvach, A. E; Volvach, L. N; Wagner, S. J; Weaver, Z. R; Yang, Wen Xin; Zhang, Zhongli; Zhovtan, A. V; Zuo, Wenwen; Kojiguchi, N; Sugiura, Y; Cui, Lang; Hu, Shao Ming; Damljanovic, G; Bachev, R; Vince, O; Liao, M; Wang, Zhongxiang; Darriba, A; Haque, S; Alfaro, F. S; Amatller, J. B; Andujar, J. M. F; Arnold, S; Arranz, T; Bachini, M; Barcelo, C. L; Boeva, S; Borman, G. A; Boyd, D; Buczinski, D; Casal, J. D; Chen, X; Cores, J. M; Cucarella, F. C; Devanand, P. U; Dhiman, V; Espasa, L. T; Fan, J. H; Farfan, R. G; Fernandez, J. R; Garcia, F; Garcia, R. C; Gaur, H; Gomez, J. C; Gonzalez, J. L. S; Gonzalez-Carballo, J. L; Grishina, T. S; Grondona, F. H; Gu, M. F; Guo, H; Hagen-Thorn, V. A; Hurst, G; Ibryamov, S. I; Ivanidze, R. Z; James, N; Jardine, B; Johnstone, S; Jovanovic, M. D; Kalita, N; Karge, S; Kishore, Shubham; Kopatskaya, E. N; Kurtanidze, O. M; Kurtenkov, A; Larionova, Elena G; Lorenz, E. R; Lozano, J; Mananes, E. F; Martinez, F. L; Mobberley, M; Morales-Aimar, M; Morozova, D. A; Nikolashvili, M. G; Nikolov, Y; Nogues, R. Naves; Novikova, P. A; Penas, L. M; Perez, A. Escartin; Perello, C; Pickard, R; Pinilla, F. G (American Astronomical Society, 2026-09)

  We present the most densely sampled multiband optical photometric observations of the peculiar BL Lacertae object OJ 287 from 2015 to 2025 with a focus on its optical activity on diverse timescales. We present a total of ...
• Application of coherent structure tracking to solar Doppler maps to determine horizontal velocity fields at the sun's surface 

  Sampoorna, M; Roudier, T; Paletou, F (EDP Sciences, 2026-09)

  Context. Coherent structure tracking (CST) is a technique for determining solar surface horizontal flows at high spatial and temporal resolution by tracking the proper motion of granules. This technique has traditionally ...
• Discovery of an unbound flyby companion of UBC 63: In the immediate aftermath of a close encounter 

  Biswas, Samrat; Medhi, B. J; Messina, S; Zhu, Zhanpeng; Qin, Songmei; Deb, Sukanta; Sheikh, A. H; Das, H. S; Tamura, Motohide; Maheswar, G; Sagar, R (American Astronomical Society, 2026-09)

  We reinvestigate the open cluster UBC 63 using the Gaia Data Release 3 and show that, rather than being a single cluster as previously classified, it is a compelling candidate for a double cluster undergoing an unbound ...
• Understanding the travel-time asymmetry of acoustic waves in sunspots with time─distance helioseismology 

  Li, Haiyu; Felipe, T; Khomenko, E; Tian, H; Rajaguru, S. P; Gao, Yuhang (American Astronomical Society, 2026-09-01)

  Mapping the subsurface structure and flow field of sunspots has been a challenging task for helioseismology. In this work, we investigate the propagation of acoustic waves in a sunspot in NOAA active region 11312 using ...
• Solar spicule rotation driven by plasma curtain-vortex interactions 

  Dey, Sahel; Chatterjee, Piyali; Erdelyi, Robertus (American Astronomical Society, 2026-09-01)

  Rotational and transverse motions are frequently observed in solar spicules, yet the physical origin of these motions remains debated. We investigate how apparent spicule rotation arises in a stratified, magnetized solar ...
• Comparative 3D asymmetric expansion and angular-width evolution of fast and slow coronal mass ejections 

  Agarwal, Anjali; Mishra, Wageesh; Zhang, Jie; Khuntia, Soumyaranjan; Temmer, Manuela (American Astronomical Society, 2026-09-01)

  The radial and lateral dimensions of coronal mass ejections (CMEs) influence their duration and probability of encounter at Earth. These properties are linked to the expansion speeds of CMEs in different radial and lateral ...
• Complex energy-dependent behaviour of quasiperiodic oscillations observed in GRS 1915+105 

  Sharma, Vaibhav; Misra, R; Jithesh, V; Chaudhary, Shivani; Jirawala, Khushi; Yadav, J. S; Jain, Pankaj; Juris, N. J (American Astronomical Society, 2026-09-10)

  We present complex energy-resolved properties of quasiperiodic oscillations (QPOs) in the black hole X-ray binary GRS 1915+105 using an observation from the LAXPC instrument onboard AstroSat. Power density spectra (PDSs) ...
• Cosmic chance superpositions: Largest catalog of quasar-galaxy pairs at a projected separation of D ≲ 20 kpc 

  Guha, Labanya Kumar; Srianand, R; Dutta, Rajeshwari (American Astronomical Society, 2026-09-10)

  We present the largest catalogue to date of Galaxies On Top Of Quasars (GOTOQs)---systems where the sight line to a background quasar passes directly through or very close to a foreground galaxy. Using ~1.1 million quasar ...

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