• Near ultraviolet transient explorer (nutex): a cubesat-based nuv imaging payload for transient sky surveys 

  Shubham Jankiram, Ghatul; Mohan, Rekhesh; Murthy, J; Safonova, M; Kumar, P; Gopinathan, Maheswar; Jain, Shubhangi; Mahesh Babu, S (Frontiers, 2025-12)

  The Near Ultraviolet Transient Explorer (NUTEx) is a CubeSat-based nearultraviolet (NUV) imaging payload designed for transient sky surveys and is currently under development. CubeSats are compact and cost-effective satellite ...
• FIELDMAPS data release: Far-infrared polarization in the "bones" of the milky way 

  Coude, Simon; Stephens, Ian W; Myers, Philip C; Karnath, Nicole; Smith, Howard A; Guzman, Andres E; Marin, Jessy; Zucker, Catherine; Andersson, B-G; Li, Zhi-Yun; Looney, Leslie W; Novak, Giles; Pillai, Thushara G.S; Sadavoy, Sarah; Sanhueza, Patricio; Archana Soam (American Astronomical Society, 2026-01)

  Polarization observations of the Milky Way and many other spiral galaxies have found a close correspondence between the orientation of spiral arms and magnetic field lines on scales of hundreds of parsecs. This paper ...
• The life and science of Thanu Padmanabhan (1957-2021) 

  Bagla, Jasjeet Singh; Bhattacharya, K; Chakraborty, Sumanta; Engineer, S; Faraoni, V; Kolekar, Sanved; Kothawala, D; Lochan, K; Modak, S; Nair, Parameswaran V; Paranjape, A; Parattu, K; Rajeev, S. G; Majhi, B. R; Choudhury, T. R; Sami, M; Sarkar, Sudipta; Sengupta, S; Seshadri, T. R; Shankaranarayanan, S; Singh, Surya Prakash; Singh, T. P; Sriramkumar, L; Yajnik, U. A (Springer Nature, 2026-01)

  Thanu Padmanabhan was a renowned Indian theoretical physicist known for his research in general relativity, cosmology, and quantum gravity. In an extraordinary career spanning forty-two years, he published more than three ...
• Clues on the X-ray emission mechanism of blazars PKS 2155−304 and 3C 454.3 through polarization studies 

  Bharathan, Athira M; Stalin, C. S; Sahayanathan, S; Mathew, B (Elsevier B.V, 2026-02)

  X-ray polarization measurable with the imaging X-ray Polarimetry Explorer (IXPE) could constrain the long debated leptonic versus hadronic origin for the high energy component in the broad band spectral energy distribution ...
• Modelling the scattering by porous aggregate dust grains in the far-ultraviolet halos of spica and achernar 

  Choudhury, Nilanjana Dey; Shalima, P; Keerthana, U; Murthy, J (Elsevier B.V, 2026-02)

  Far-Ultraviolet (FUV) halos have been detected around six bright stars by Murthy and Henry (2011) using GALEX observations. These halos are thought to be caused by forward scattering of the starlight by dust grains present ...
• Magnetic fields in the close neighbourhood of LDN 328 core 

  Gupta, Shivani; Archana Soam; Karoly, Janik; Lee, Chang Won (Oxford University Press on behalf of Royal Astronomical Society, 2026-02)

  Linearly polarized dust emission traces the plane-of-sky magnetic field structure, thus allowing us to investigate the role of magnetic fields in the formation and evolution of cloud cores. In this work, we present ...
• First discovery of a fast-rotating blue straggler in a compact binary with a sub-stellar companion 

  Sheikh, A. H; Medhi, B. J; Messina, S; Subramaniam, A; Panwar, Neelam; Sagar, R (Oxford University Press on behalf of Royal Astronomical Society, 2026-02)

  We report the first discovery of a brown-dwarf (BD) companion using a radial velocity-based study of a rapidly rotating blue straggler star (BSS) in a short-period close binary system in NGC 2243. Multi-epoch spectra from ...
• Thermal properties of interplanetary coronal mass ejections at 1 au and their connection to geoeffectiveness across solar cycles 23─25 

  Khuntia, Soumyaranjan; Mishra, Wageesh (Oxford University Press on behalf of Royal Astronomical Society, 2026-02)

  Interplanetary coronal mass ejections (ICMEs) are major drivers of heliospheric variability and can produce prolonged disturbances near Earth. Understanding their thermodynamic evolution is crucial for assessing their heat ...
• A study of two Type IIb supernovae: SNe 2008aq and 2019gaf 

  Singh, Mridweeka; Sahu, D. K; Dastidar, R; Teja, Rishabh Singh; Gangopadhyay, A; Anupama, G. C; Howell, D. A; Bostroem, K. Azalee; McCully, Curtis; Burke, Jamison; Joshi, Arti; Hiramatsu, Daichi; Im, Hyobin; Srivastav, S; Misra, K (Oxford University Press on behalf of Royal Astronomical Society, 2026-02)

  We present photometric and spectroscopic studies of two core-collapse supernovae (SNe) 2008aq and 2019gaf in the optical wav elengths. Light curv e and spectral sequence of both the SNe are similar to those of other Type ...
• Optical observations of the fast nova V1674 herculis 

  Rawat, Neeraj Singh; Sonith, L. S; Kamath, U. S; Bhargava, Yash; Anupama, G. C; Singh, K. P (Oxford University Press on behalf of Royal Astronomical Society, 2026-04)

  We present the evolution of optical spectra and light curves of the fast nova V1674 Herculis during 150 d past its eruption. Using the post-eruption AAVSO light curv e, w e hav e calculat ed the orbital period of V1674 Her ...
• Structure and magnetic field of the bright-rimmed cloud IC 1396E/SFO 38 

  Sugitani, Koji; Wouterloot, Jan G. A; Parsons, Harriet; Graves, Sarah; Kusune, Takayoshi; Archana Soam (Oxford University Press on behalf of the Astronomical Society of Japan, 2026-02)

  We carried out polarimetric observations of the bright-rimmed cloud IC 1396E/SFO 38 with SCUBA-2/POL-2 to study the effect of ultraviolet (UV) light on its structure and magnetic field. This bright-rimmed cloud appears ...
• Kinematics of acceleration-induced excitations in confined quantum fields 

  Shah, Hemansh; Kolekar, Sanved (American Physical Society, 2026-02-15)

  We investigate quantum field excitations in a rigid cavity that undergoes a transition from inertial motion to uniform acceleration while maintaining constant proper length. By constructing exact Bogoliubov transformations ...
• Forecasting constraints on nonthermal light massive relics from future CMB experiments (CMB-S4/Simons Observatory) 

  Banerjee, Arka; Bhattacharjee, A; Das, Subinoy; Maharana, Anshuman; Sharma, Ravi Kumar (American Physical Society, 2026-02-15)

  Precise measurements of the cosmological impact of dark sector relics can shed light on physics beyond the Standard Model. In this work we present Fisher forecasts on nonthermal light massive relics (LiMR) models for a ...
• Dust-obscured radio-emitting tidal disruption event coincident with a high-energy neutrino event 

  Zhou, Tianyao; Shu, Xinwen; Mou, Guobin; Yang, Lei; Sun, Luming; Peng, Fangkun; Zhang, Fabao; Ding, Hucheng; Jiang, Ning; Wang, Tinggui; Chandola, Yogesh; Liu, Daizhong; Dou, L; Wang, Yibo; Wang, Jianguo; Wu, Zhongzu; Yang, Chenwei (American Physical Society, 2026-02-15)

  Despite the growing number of high-energy neutrinos (TeV–PeV) detected by IceCube, their astrophysical origins remain largely unidentified. Recent observations have linked a few tidal disruption events (TDEs) to the ...
• Dynamical and photometric analysis of NGC146 and king 14: Evidence for a comoving, unbound cluster pair 

  Bisht, D; Jiang, Ing-Guey; Elsanhoury, W. H; Belwal, Kuldeep; Cinar, D. C; Raj, A; Biswas, S; Dattatrey, Arvind K; Rangwal, Geeta; Sariya, Devesh P; Bisht, Mohit Singh; Durgapal, Alok (American Astronomical Society, 2026-02)

  To understand the nature of the NGC 146–King 14 cluster pair, we conducted a detailed photometric, astrometric, and dynamical study using multiwavelength data from Gaia DR3, Pan-STARRS1, WISE, and TESS. Using a probabilistic ...
• Characterization of an optical transfer function–based phasing technique for India’s large segmented mirror telescope 

  Radhika, Dharmadhikari; Parihar, P. S (American Astronomical Society, 2026-02)

  The upcoming 10 m class large Indian telescope is proposed to be built using segmented mirror technology. To achieve diffraction-limited image quality with a segmented mirror telescope, it is important to phase mirror ...
• Two epochs of VLBI observations of eight KISSR seyfert and LINER galaxies: Suggestions of fast and filamentary outflows 

  Kharb, P; Caproni, Anderson; Ghosh, Salmoli; Schwartz, Daniel A; Mousumi Das; Subramanian, S; Vaddi, Sravani (American Astronomical Society, 2026-02-01)

  We present here the results from a second epoch of phase-referenced VLBA observations of eight Seyfert and LINER galaxies from the KISSR sample. These sources were chosen based on the presence of double peaks or asymmetries ...
• Can dwarf spheroidal galaxies host a central black hole? 

  Aditya, K; Mangalam, A (American Astronomical Society, 2026-02-01)

  We construct mass models of Milky Way dwarf spheroidal galaxies to place constraints on the central black hole masses they can host. We model the galaxies as a three-component system consisting of the stars, dark matter ...
• The ALMA-QUARKS survey: Hot molecular cores are a long-standing phenomenon in the evolution of massive protostars 

  Meng, Dezhao; Liu, Tie; Esimbek, Jarken; Qin, Sheng-Li; Garay, Guido; Goldsmith, Paul F; Zhou, Jianjun; Tang, Xindi; Jiao, Wenyu; Zhang, Yan-Kun; Xu, Feng-Wei; Zhang, Siju; Tej, Anandmayee; Bronfman, Leonardo; Yang, A.Y; Dib, S; Das, Swagat; Hwang, Jihye; Archana Soam; Qiu, Yisheng; Li, Dalei; He, Yuxin; Wu, Gang; Dewangan, Lokesh; Chibueze, J. O; Garcia, Pablo; Gorai, Prasanta; Bhadari, Naval Kishor; Zhang, Yong; Sanhueza, Patricio; Luo, Yongquan; Zou, Jia-Hang; Kim, Kee-Tae; Yang, Dongting; Zhu, Lei; Liu, Xunchuan; Gordon, Macleod; Ma, Yingxiu (American Astronomical Society, 2026-02-01)

  We present an analysis of the QUARKS survey sample, focusing on protoclusters where hot molecular cores (HMCs; traced by CH3CN (12–11)) and HC/UC H II regions (traced by H30α/H40α) coexist. Using the high resolution, ...
• Hint of dark matter–dark energy interaction in DESI DR2 and current cosmological dataset? 

  Chakraborty, Amlan; Ray, Tulip; Das, Subinoy; Banerjee, Arka; Vidhya, G (American Astronomical Society, 2026-02-10)

  We present new constraints on an interacting dark matter–dark energy scenario motivated by string compactification, where a scalar field adiabatically tracks the minimum of an effective potential sourced by dark matter ...

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