IIAP Publications: Recent submissions

  • Three-phase evolution of aspect ratio in fast and slow CMEs from the Sun to 1 au 
    Mishra, Wageesh; Agarwal, Anjali; Srivastava, N (Oxford University Press on behalf of Royal Astronomical Society, 2026-07)
    Coronal mass ejections (CMEs) undergo significant geometric evolution as they propagate from the Sun to 1 au, influencing their radial size, expansion, and space weather impact. We investigate the evolution of CME aspect ...
  • Designing a sky-scanning Fabry–Perot interferometer system with a large size integrating sphere 
    Mahavarkar, Prasanna; Sriram, S; Joshi, Bhagyashree; Hasan, Amirul; Remya, B. S; Chandra, Sarvesh (Elsevier B.V., 2023-12)
    Integrating spheres can be manufactured at sizes ranging from 1 mm to 3 m in diameter. It has been agreed widely by manufacturers that fitting a large-sized integrating sphere as per the customer requirement is a complex ...
  • Three extremely metal-poor stars: Discovery of a new CEMP-no star 
    Goswami, P. P; Goswami, A (Oxford University Press on behalf of Royal Astronomical Society, 2026-07)
    We have conducted detailed high-resolution spectroscopic studies on three extremely metal-poor (EMP) stars HE 0401−0138, HE 1153−0518, and HE 1246−1344. For the stars HE 0401−0138 and HE 1246−1344, we have estimated the ...
  • Probing spectral variability in NGC 4490 ULX-8 over 24 yr of XMM–Newton, Chandra, and Swift-XRT observations 
    Vashisht, Tarang; Beri, Aru; Ghosh, Tanuman; Upadhyay, Aman; Rana, Vikram (Oxford University Press on behalf of the Royal Astronomical Society, 2026-07)
    We present a spectral variability study of the ultraluminous X-ray source NGC 4490 ULX-8 based on 14 Chandra, 6 XMM– Newton, and 19 Swift-XRT observations obtained between 2000 and 2024. The X-ray spectra are modelled using ...
  • High-precision K2/TESS photometry and HERMES spectroscopy of four bright field stars 
    Trust, Otto; Joshi, S; Nsamba, Benard; Aol, Sharon; Vermeulen, Owen; Ssembatya, Ronald; De Cat, P; Lampens, P; Barnes, Sydney A; Goswami, P. P; Dileep, Athul; Ghosh, S. C; Kumar, Pramod; Jurua, E; Sarkar, M; Bedi, Sarabjeet S (Oxford University Press on behalf of the Royal Astronomical Society, 2026-07)
    Space-based photometry from K2 and TESS, coupled with high-resolution spectroscopy, provides a unique opportunity to re-examine the variability and chemical nature of four brightstars(HD 73135, BD +19◦ 2045, BD +19◦ 2046, ...
  • A consistency check for the calibration of 5303Å solar coronal emission line observations with Aditya-L1/VELC 
    Priyal, M; Ramesh, R; Singh, J; Sasikumar Raja, K; Savarimuthu, P (Springer Nature, 2026-06)
    We carried out radiometric calibration of the Visible Emission Line Coronagraph (VELC) onboard Aditya-L1 at 5303Å using observations of the Sun itself, a novel approach compared to the calibration using bright stars in the ...
  • Dwarf and intermediate-mass galaxies in MaNGA: Evidence for different evolutionary trends 
    Chandan, Watts; Gothai, L; Barway, Sudhanshu (American Astronomical Society, 2026-06-20)
    We investigate the interplay between morphology, specific star formation rate (sSFR), and local environment using a sample of 7408 galaxies from the fourth-generation Sloan Digital Sky Survey Mapping Nearby Galaxies at ...
  • The VMC survey: LV. the coherent expansion of the SMC 
    Vijayasree, S; Niederhofer, Florian; Cioni, Maria-Rosa L; van Loon, Jacco Th; Bekki, K; de Grijs, R; Subramanian, S; Kacharov, N; Omkumar, Abinaya O; Cullinane, L. R; Ivanov, Valentin D (EDP Sciences, 2026-06)
    Context. The Small Magellanic Cloud (SMC) exhibits significant kinematic disequilibrium due to interactions with the Large Magellanic Cloud (LMC). Aims. Here, we investigate the two-dimensional stellar kinematics of the ...
  • Detection of an optical quasiperiodic oscillation in the Blazar 3C 454.3 
    Dogra, Karan; Gupta, A. C; Raiteri, C. M; Villata, M; Wiita, P. J; Valtonen, Mauri J; Kurtanidze, S. O; Jorstad, S; Bachev, R; Damljanovic, G; Lorey, C; Savchenko, S. S; Vince, O; Abdelkareem, M; Aceituno, F. J; Acosta-Pulido, J. A; Agudo, I; Andreuzzi, G; Ata, S. A; Baida, G. V; Barbieri, L; Blinov, D; Bonnoli, G; Borman, G. A; Carnerero, M. I; Carosati, D; Casanova, V; Chen, W. P; Cui, Lang; Devanand, P. U; Elhosseiny, E. G; Elsaesser, D; Escudero, J; Fan, J. H; Feige, M; Gazeas, K; Grishina, T. S; Gu, Minfeng; Hagen-Thorn, V. A; Hemrich, F; Hsiao, H. Y; Ismail, M; Ivanidze, R. Z; Jovanovic, M. D; Kamel, T. M; Kimeridze, G. N; Kishore, Shubham; Kopatskaya, E. N; Kuberek, D; Kurtanidze, O. M; Kurtenkov, A; Larionov, V. M; Larionova, Elena G; Larionova, L. V; Lin, H. C; Marchini, A; Marinelli, C; Marscher, A; Morcuende, D; Morozova, D. A; Nazarov, S. V; Nikolashvili, M. G; Reinhart, D; Otero-Santos, J; Scherbantin, A; Semkov, E; Shishkina, E. V; Sigua, L. A; Singh, Ajay Kumar; Sota, A; Steineke, R; Stojanovic, M; Strigachev, A; Takey, Ali; Tawfeek, Amira A; Tripathi, Tushar; Troitskiy, I. S; Troitskaya, Y. V; Tsai, An-Li; Vasilyev, A. A; Vrontaki, K; Zhang, Zhongli; Zhovtan, A. V; Zottmann, N; Zuo, Wenwen (American Astronomical Society, 2026-06-01)
    We analyzed 19 yr of R-band data of the blazar 3C 454.3 from the Whole Earth Blazar Telescope archive, along with new data from its members and from public archives such as those provided by the Small and Moderate Aperture ...
  • A unique application of the observation of stars in Indian astronomical texts 
    Shylaja, B. S; Shubha, B. S (National Astronomical Research Institute of Thailand, 2024-09)
    It is very well known that the observation of stars constituted an integral part of Indian astronomical texts. The twenty seven stars along the zodiac were used as references for longitudes. Here we discuss an application ...
  • Variable stars in the field of the galactic globular cluster M71 
    Cortes, C. C; Deras, D; Ferro, A. A; Muneer, S; Fierro, Bustos (Oxford University Press on behalf of Royal Astronomical Society, 2026-06)
    M71 is a nearby, metal-rich globular cluster at low Galactic latitude, where field contamination and spatially variable extinction complicate colour─magnitude diagrams (CMDs) and the identification of cluster member variable ...
  • Observations of circularly polarized radio emission from the "Quiet" sun at frequencies <100 MHz 
    Sayuf, Shaik; Kathiravan, C; Ramesh, R; Barve, Indrajit V; Gireesh, G. V. S; Bane Kshitij, Suhas Trupti (American Astronomical Society, 2026-06-10)
    The presence of the magnetic field makes the solar coronal medium birefringent. Research indicates that an appreciable degree of circular polarization (DCP) can be observed in the thermal radio emission at frequencies <100 ...
  • The CatWISE2020 quasar dipole: A reassessment of the cosmic dipole anomaly 
    Bashir, Masroor; Pravabati, C; Appleby, S (American Astronomical Society, 2026-06-01)
    The Ellis─Baldwin test probes the cosmological principle by comparing the kinematic cosmic microwave background dipole with the Doppler-driven dipole in the number counts of extragalactic radio sources. Recent analysis of ...
  • Age bimodality in pseudo-bulges of barred spiral galaxies: bar-driven evolution across cosmic time 
    Kumar N. R, Kavin; Keshri, Saili; Barway, Sudhanshu (Oxford University Press on behalf of Royal Astronomical Society, 2026-06)
    We investigate the stellar population properties of pseudo-bulges in barred galaxies drawn from the Sloan Digital Sky Survey Data Release 7 to assess how bars regulate central star formation and secular evolution. Our ...
  • H I observations of baryon-dominated dwarf galaxy candidates 
    Mirashi, Atharva; Narayan, Abhinav; Keerthi, K; Kadawla, Saurabh; Raut, Harshal; Patra, Narendra Nath; Roy, Nirupam; Biswas, Prerana; Mousumi Das; Saponara, Juliana (Oxford University Press on behalf of Royal Astronomical Society, 2026-06)
    We present resolved H i observations of six dwarf galaxies drawn from a sample of baryon-dominated dwarf galaxy (BDDG) candidates previously identified using global H i spectra from ALFALFA and optical inclinations from ...
  • Multiwavelength study of blue straggler stars in Tombaugh 2: Evidence for binary mass transfer and constraints on cluster dynamical state 
    Bisht, D; Jiang, Ing-Guey; Belwal, Kuldeep; Cinar, D. C; Dattatrey, Arvind K; Rangwal, Geeta; Raj, A; Biswas, Shraddha; Bisht, Mohit Singh; Durgapal, Alok (American Astronomical Society, 2026-06-01)
    We present a focused multiwavelength study of blue straggler stars (BSSs) in the intermediate-age open cluster Tombaugh 2, located in the outer Galactic disk, to constrain the dominant formation pathways of BSSs in a low ...
  • Statistical study of intense geomagnetic storms and their solar origins over the period 1996 ─ 2025 
    D’Awarave, Arron Augustine; Vemareddy, P (Springer Nature, 2026-06)
    Using in situ geomagnetic and solar wind observations, we present a comprehensive list of intense geomagnetic storms (GMSs) that occurred between 1996 and 2025, covering Solar Cycles (SCs) 23, 24, and the ongoing SC 25. ...
  • Parilekhana: The geometry of celestial events in classical Indian astronomy 
    Shubha, B. S; Shylaja, B. S (National Astronomical Research Institute of Thailand, 2026-04)
    The discussion relevant for explaining any celestial event, was a crucial aspect of all Classical Indian astronomical texts. Each text contained a chapter titled Parilekhana, provided instructions for creating these diagrams. ...
  • A search for successful and choked jets in nearby broad-lined type Ic supernovae 
    O'Dwyer, Tanner; Corsi, Alessandra; Yang, Sheng; Anand, Shreya; Cenko, S. Bradley; Srinivasaragavan, Gokul P; Ho, Anna Y. Q; Sollerman, Jesper; Zhou, Bei; Balasubramanian, Arvind; Chang, Po-Wen; Kamionkowski, Marc; Perley, Daniel A; Laher, Russ R; Murase, Kohta; Masci, Frank J; Kasliwal, Mansi M; Purdum, Josiah; Graham, Matthew J (American Astronomical Society, 2026-05-10)
    The observational link between long gamma-ray bursts (GRBs) and broad-lined stripped-envelope core-collapse supernovae (SNe Ic-BL) is well established. Significant progress has been made in constraining what fraction ...
  • Finding the evolutionary link between ULIRGs and radio galaxies 
    Fida, Ayisha; Nandi, Sumana; Mousumi Das; Rubinur, K; Shanbhog, S; Kharb, P; Dev, Barenya (Oxford University Press on behalf of the Royal Astronomical Society, 2026-07)
    Ultraluminous infrared galaxies (ULIRGs) are the remnants of the major mergers of gas-rich galaxies. They are dusty systems and are extremely luminous in the infrared. Both starbursts and active galactic nucleus (AGN) ...

Search DSpace


Browse

My Account