RESEARCH & PUBLICATIONS

Explore the latest academic and research publications from SAAO researchers below.

  • Dunsby, Peter K. S., Luongo, Orlando, Muccino, Marco, et al.: "Double polytropic cosmic acceleration from the Murnaghan equation of state", 2024, PHYSICS OF THE DARK UNIVERSE, 46 [VIEW]
  • Jones, E., Smith, B., Dave, R., et al.: "Simba-EoR: early galaxy formation in the simba simulation including a new sub-grid interstellar medium model", 2024, MNRAS, 535, 1293-1314 [VIEW]
  • Sneppen, Albert, Watson, Darach, Damgaard, Rasmus, et al.: "Emergence hour-by-hour of r-process features in the kilonova AT2017gfo", 2024, A&A, 690 [VIEW]
  • van der Merwe, C. J. T., Mohamed, S. S., Jose, J., et al.: "3D hydrodynamic simulations of white dwarf-main-sequence star collisions - I. Head-on collisions", 2024, MNRAS, 534, 3637-3653 [VIEW]
  • Veresvarska, M., Scaringi, S., Knigge, C., et al.: "Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries", 2024, MNRAS, 534, 3087-3103 [VIEW]
  • Amery, G., Dunsby, P. K., Sherif, A. M.: "Gradient conformal stationarity and the CMC condition in LRS spacetimes", 2024, CLASSICAL AND QUANTUM GRAVITY, 41 [VIEW]
  • Zelati, F. Coti, de Martino, D., Dhillon, V. S., et al.: "Short-term variability of the transitional pulsar candidate CXOU J110926.4-650224 from X-rays to infrared", 2024, A&A, 690 [VIEW]
  • Tampo, Yusuke, Kato, Taichi, Isogai, Keisuke, et al.: "MASTER OT J030227.28+191754.5: An unprecedentedly energetic dwarf nova outburst", 2024, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN [VIEW]
  • Gaudin, T. M., Coe, M. J., Kennea, J. A., et al.: "CXOU J005245.0-722844: discovery of a Be star/white dwarf binary system in the SMC via a very fast, super-Eddington X-ray outburst event", 2024, MNRAS, 534, 1937-1948 [VIEW]
  • de Wet, Simon, Laskar, Tanmoy, Groot, Paul J., et al.: "A Millimeter Rebrightening in GRB 210702A", 2024, ApJ, 974 [VIEW]
  • Zimmerman, Dhruv T., Narayanan, Desika, Whitaker, Katherine E., et al.: "Tracing the History of Obscured Star Formation with the SIMBA Cosmological Galaxy Evolution Simulation", 2024, ApJ, 973 [VIEW]
  • Pelaez-Torres, A., Esparza-Borges, E., Palle, E., et al.: "Validation of up to seven TESS planet candidates through multi-colour transit photometry using MuSCAT2 data", 2024, A&A, 690 [VIEW]
  • Ross, Kathryn, Hurley-Walker, Natasha, Galvin, Timothy James, et al.: "GaLactic and Extragalactic All-sky Murchison Widefield Array eXtended (GLEAM-X) survey II: Second Data Release", 2024, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA, 41 [VIEW]
  • Schimd, Carlo, Kraljic, Katarina, Dave, Romeel, et al.: "Large-scale geometry and topology of gas fields: Effects of AGN and stellar feedback", 2024, A&A, 689 [VIEW]
  • Kouch, Pouya M., Liodakis, Ioannis, Middei, Riccardo, et al.: "IXPE observation of PKS 2155-304 reveals the most highly polarized blazar", 2024, A&A, 689 [VIEW]
  • Garg, Prerak, Narayanan, Desika, Sanders, Ryan L., et al.: "Theoretical Strong-line Metallicity Diagnostics for the JWST Era", 2024, ApJ, 972 [VIEW]
  • Hatamkhani, N., Kraan-Korteweg, R. C., Blyth, S. L., et al.: "The K s -band Luminosity Function of the Rich Cluster VC04 in the Vela Supercluster", 2024, ApJ, 972 [VIEW]
  • Gasealahwe, K. V. S., Monageng, I. M., Fender, R. P., et al.: "Radio observations of the 2022 outburst of the transitional Z-Atoll source XTE J1701-462", 2024, MNRAS, 533, 1800-1807 [VIEW]
  • Orio, M., Melichercik, M., Ciroi, S., et al.: "V407 Lup, an intermediate polar nova", 2024, MNRAS, 533, 1541-1549 [VIEW]
  • Painter, S., Aydi, E., Motsoaledi, M., et al.: "Spectro-photometric follow-up of the outbursting AM CVn system ASASSN-21br", 2024, MNRAS, 532, 4205-4216 [VIEW]
  • Campbell, Mariam, Daniel, Richard, Dunsby, Peter, et al.: "Bouncing cosmologies in the presence of a Dirac-Born-Infeld field", 2024, PHYSICAL REVIEW D, 110 [VIEW]
  • Kelley, M. S., Reddy, V., Bauer, J., et al.: "THE 2023 DZ2 IAWN PLANETARY DEFENSE CAMPAIGN: A ∼30-METER DIAMETER AUBRITE", 2024, METEORITICS & PLANETARY SCIENCE, 59, A223-A223
  • Greenwell, Claire L., Klindt, Lizelke, Lansbury, George B., et al.: "The NuSTAR Serendipitous Survey: The 80 Month Catalog and Source Properties of the High-energy Emitting Active Galactic Nucleus and Quasar Population", 2024, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 273 [VIEW]
  • Schroeder, Genevieve, Rhodes, Lauren, Laskar, Tanmoy, et al.: "A Radio Flare in the Long-lived Afterglow of the Distant Short GRB 210726A: Energy Injection or a Reverse Shock from Shell Collisions?", 2024, ApJ, 970 [VIEW]
  • Wu, Zexuan, Dong, Subo, Yi, Tuan, et al.: "Gaia22dkvLb: A Microlensing Planet Potentially Accessible to Radial-velocity Characterization", 2024, AJ, 168 [VIEW]
  • Zieba, Sebastian, Zwintz, Konstanze, Kenworthy, Matthew, et al.: "The β Pictoris b Hill sphere transit campaign: II. Searching for the signatures of the β Pictoris exoplanets through time delay analysis of the δ Scuti pulsations", 2024, A&A, 687 [VIEW]
  • Nedkova, Kalina, V, Haeussler, Boris, Marchesini, Danilo, et al.: "Bulge plus disc decomposition of HFF and CANDELS galaxies: UVJ diagrams and stellar mass-size relations of galaxy components at 0.2 ≤ z ≤ 1.5", 2024, MNRAS, 532, 3747-3777 [VIEW]
  • Mishenina, T., Pignatari, M., Usenko, I., et al.: "Peculiarities of the chemical enrichment of metal-poor stars in the Milky Way Galaxy", 2024, A&A, 687 [VIEW]
  • Barnard, Joleen, van Soelen, B., Acharya, S., et al.: "The optical spectropolarimetric behaviour of a selection of high-energy blazars", 2024, MNRAS, 532, 1991-2005 [VIEW]
  • Mimouni, Jamal, Diaby, Kassamba Abdel Aziz, Menberu, Kirubel, et al.: "Astronomy Communication Across Africa: The IAU National Outreach Coordinators", 2024, CAPJOURNAL, 6-14
  • Kubheka, Duduzile, Macfarlane, Sally: "Explained in 60 seconds: Community engagement at the XXXII IAU General Assembly", 2024, CAPJOURNAL, 4-5
  • Dobson, Matthew M., Schwamb, Megan E., Fitzsimmons, Alan, et al.: "The Discovery and Evolution of a Possible New Epoch of Cometary Activity by the Centaur (2060) Chiron", 2024, PLANETARY SCIENCE JOURNAL, 5 [VIEW]
  • Adams, Elisabeth R., Jackson, Brian, Sickafoose, Amanda A., et al.: "Doomed Worlds. I. No New Evidence for Orbital Decay in a Long-term Survey of 43 Ultrahot Jupiters", 2024, PLANETARY SCIENCE JOURNAL, 5 [VIEW]
  • Thao, Pa Chia, Mann, Andrew W., Barber, Madyson G., et al.: "TESS Hunt for Young and Maturing Exoplanets (THYME). X. A Two-planet System in the 210 Myr MELANGE-5 Association", 2024, AJ, 168 [VIEW]
  • Schulte, Jack, Rodriguez, Joseph E., Bieryla, Allyson, et al.: "Migration and Evolution of giant ExoPlanets (MEEP). I. Nine Newly Confirmed Hot Jupiters from the TESS Mission", 2024, AJ, 168 [VIEW]
  • Gillanders, J. H., Rhodes, L., Srivastav, S., et al.: "Discovery of the Optical and Radio Counterpart to the Fast X-Ray Transient EP 240315a", 2024, ApJL, 969 [VIEW]
  • Bachelet, E., Rota, P., Bozza, V., et al.: "A Close Binary Lens Revealed by the Microlensing Event Gaia20bof", 2024, AJ, 168 [VIEW]
  • Ok, Samet, Schwope, Axel, Buckley, David A. H., et al.: "Discovery of the magnetic cataclysmic variable XMM J152737.4-205305.9 with a deep eclipse-like feature", 2024, A&A, 686 [VIEW]
  • Stoppa, F., Johnston, C., Cator, E., et al.: "FINKER: Frequency Identification through Nonparametric KErnel Regression in astronomical time series", 2024, A&A, 686 [VIEW]
  • Chakraborty, Saikat, Dunsby, Peter K. S., Goswami, Rituparno, et al.: "A dynamical systems formulation for inhomogeneous LRS-II spacetimes", 2024, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS [VIEW]
  • Reddy, Vishnu, Kelley, Michael S., Benner, Lance, et al.: "2023 DZ2 Planetary Defense Campaign", 2024, PLANETARY SCIENCE JOURNAL, 5 [VIEW]
  • Singh, Koshvendra, Ninan, Joe P., Romanova, Marina M., et al.: "Accretion Funnel Reconfiguration during an Outburst in a Young Stellar Object: EX Lupi", 2024, ApJ, 968 [VIEW]
  • Shen, Yue, Grier, Catherine J., Horne, Keith, et al.: "The Sloan Digital Sky Survey Reverberation Mapping Project: Key Results", 2024, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 272 [VIEW]
  • Hori, Yasunori, Fukui, Akihiko, Hirano, Teruyuki, et al.: "The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs", 2024, AJ, 167 [VIEW]
  • Proshina, Irina S., Sil'chenko, Olga K., Kniazev, Alexei Yu: "Spectral study of star-forming rings in S0 galaxies of Dorado group - NGC 1533 and NGC 1543", 2024, MNRAS, 531, 2448-2461 [VIEW]
  • Ochmann, M. W., Kollatschny, W., Probst, M. A., et al.: "The transient event in NGC 1566 from 2017 to 2019", 2024, A&A, 686 [VIEW]
  • Malyali, A., Rau, A., Bonnerot, C., et al.: "Transient fading X-ray emission detected during the optical rise of a tidal disruption event", 2024, MNRAS, 531, 1256-1275 [VIEW]
  • Sahoo, S. K., Baran, A. S., Nemeth, P., et al.: "Mode identification and period fitting in six pulsating hot subdwarfs", 2024, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA, 41 [VIEW]
  • Robinson, James E., Fitzsimmons, Alan, Young, David R., et al.: "Main-belt and Trojan asteroid phase curves from the ATLAS survey", 2024, MNRAS, 531, 304-326 [VIEW]
  • Goedhart, S., Cotton, W. D., Camilo, F., et al.: "The SARAO MeerKAT 1.3 GHz Galactic Plane Survey", 2024, MNRAS, 531, 649-681 [VIEW]
  • Malkov, Oleg, Kniazev, Alexey, Gorda, Stanislav: "Searching for wide binary stars with non-coeval components in the northern sky", 2024, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, 45 [VIEW]
  • Luo, Xiong, Wang, Huiyuan, Cui, Weiguang, et al.: "ELUCID. VIII. Simulating the Coma Galaxy Cluster to Calibrate Model and Understand Feedback", 2024, ApJ, 966 [VIEW]
  • Hord, Benjamin J., Kempton, Eliza M-R, Evans-Soma, Thomas M., et al.: "Identification of the Top TESS Objects of Interest for Atmospheric Characterization of Transiting Exoplanets with JWST", 2024, AJ, 167 [VIEW]
  • O'Brien, Sean M., Schwamb, Megan E., Gill, Samuel, et al.: "Planet Hunters NGTS: New Planet Candidates from a Citizen Science Search of the Next Generation Transit Survey Public Data", 2024, AJ, 167 [VIEW]
  • Pelgrims, V., Mandarakas, N., Skalidis, R., et al.: "The first degree-scale starlight-polarization-based tomography map of the magnetized interstellar medium", 2024, A&A, 684 [VIEW]
  • Oates, S. R., Kuin, N. P. M., Nicholl, M., et al.: "Swift/UVOT discovery of Swift J221951-484240: a UV luminous ambiguous nuclear transient", 2024, MNRAS, 530, 1688-1710 [VIEW]
  • Kovtyukh, V. V., Andrievsky, S. M., Werner, K., et al.: "Lithium Cepheid V708 Car with an unusual chemical composition", 2024, A&A, 684 [VIEW]
  • Mandarakas, N., Panopoulou, G. V., Pelgrims, V., et al.: "Zero-polarization candidate regions for the calibration of wide-field optical polarimeters", 2024, A&A, 684 [VIEW]
  • Mistry, Priyashkumar, Prasad, Aniket, Maity, Mousam, et al.: "VaTEST III: Validation of eight potential super-earths from TESS data", 2024, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA, 41 [VIEW]
  • Henderson, Beth A., Casewell, Sarah L., Goad, Michael R., et al.: "NGTS-28Ab: a short period transiting brown dwarf", 2024, MNRAS, 530, 318-339 [VIEW]
  • Markowitz, Alex, Krumpe, Mirko, Homan, David, et al.: "eROSITA detection of a cloud obscuration event in the Seyfert AGN EC 04570-5206", 2024, A&A, 684 [VIEW]
  • Arcodia, R., Liu, Z., Merloni, A., et al.: "The more the merrier: SRG/eROSITA discovers two further galaxies showing X-ray quasi-periodic eruptions", 2024, A&A, 684 [VIEW]
  • Erasmus, Nicolas, Steele, Iain A., Piascik, Andrzej S., et al.: "Mookodi: multi-purpose low-resolution spectrograph and multi-filter photometric imager for rapid follow-up observations of astronomical transient events", 2024, JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 10 [VIEW]
  • Gaudin, Thomas M., Kennea, Jamie A., Coe, M. J., et al.: "Discovery of a Rare Eclipsing Be/X-Ray Binary System, Swift J010902.6-723710=SXP 182", 2024, ApJL, 965 [VIEW]
  • Mathys, G., Holdsworth, D. L., Kurtz, D. W.: "Long-period Ap stars discovered with TESS data: Cycles 3 and 4", 2024, A&A, 683 [VIEW]
  • Bulichi, Teodora-Elena, Dave, Romeel, Kraljic, Katarina: "How galaxy properties vary with filament proximity in the Simba simulations", 2024, MNRAS, 529, 2595-2610 [VIEW]
  • Gerasimov, Ivan S., Egorov, Oleg, V, Moiseev, Alexei, V, et al.: "Stellar feedback impact on the ionized gas kinematics in the dwarf galaxy Sextans B", 2024, MNRAS, 529, 1138-1153 [VIEW]
  • Kurtz, D. W., Saio, H., Holdsworth, D. L., et al.: "HD 12098: a highly distorted dipole mode in an obliquely pulsating roAp star", 2024, MNRAS, 529, 556-562 [VIEW]
  • Shara, Michael M., Lanzetta, Kenneth M., Garland, James T., et al.: "Introducing the Condor Array Telescope - IV. A possible nova super-remnant surrounding the putative recurrent nova KT Eridani", 2024, MNRAS, 529, 224-235 [VIEW]
  • Kupfer, Thomas, Korol, Valeriya, Littenberg, Tyson B., et al.: "LISA Galactic Binaries with Astrometry from Gaia DR3", 2024, ApJ, 963 [VIEW]
  • Khrykin, Ilya S., Sorini, Daniele, Lee, Khee-Gan, et al.: "The cosmic baryon partition between the IGM and CGM in the SIMBA simulations", 2024, MNRAS, 529, 537-549 [VIEW]
  • Huang, Caroline D., Yuan, Wenlong, Riess, Adam G., et al.: "The Mira Distance to M101 and a 4% Measurement of H0", 2024, ApJ, 963 [VIEW]
  • Maitra, C., Haberl, F., Vasilopoulos, G., et al.: "eRASSU J060839.5-704014: A double degenerate ultra-compact binary in the direction of the LMC", 2024, A&A, 683 [VIEW]
  • Sharina, M. E., Maricheva, M., I, Kniazev, A. Y., et al.: "Horizontal branch structure, age, and chemical composition for very metal-poor extragalactic globular clusters", 2024, MNRAS, 528, 7165-7185 [VIEW]
  • Coe, M. J., Kennea, J. A., Monageng, I. M., et al.: "The 2022 super-Eddington outburst of the source SMC X-2", 2024, MNRAS, 528, 7115-7122 [VIEW]
  • Chattopadhyay, Sabyasachi, Bershady, Matthew A., Law, David R., et al.: "SDSS-IV MaNGA: calibration of astrophysical line-widths in the Hα region using HexPak observations", 2024, MNRAS, 528, 5377-5393 [VIEW]
  • Sacchi, A., Esposito, P., de Martino, D., et al.: "A soft and transient ultraluminous X-ray source with six-hour modulation in the NGC 300 galaxy", 2024, A&A, 682 [VIEW]
  • Goswami, P., Zacharias, M., Zech, A., et al.: "The variety of extreme blazars in the AstroSat view", 2024, A&A, 682 [VIEW]
  • Hoosain, Munira, Blyth, Sarah-L, Skelton, Rosalind E., et al.: "The effect of cosmic web filaments on galaxy properties in the RESOLVE and ECO surveys", 2024, MNRAS, 528, 4139-4159 [VIEW]
  • Ghodsi, Laya, Man, Allison W. S., Donevski, Darko, et al.: "Star formation efficiency across large-scale galactic environments", 2024, MNRAS, 528, 4393-4408 [VIEW]
  • Andersson, B-g, Potter, Stephen B.: "Observational Constraints on Interstellar Grain Alignment", 2024, ApJ, 962 [VIEW]
  • Katkov, Ivan Yu., Gasymov, Damir, Kniazev, Alexei Yu., et al.: "Probing the History of the Galaxy Assembly of the Counterrotating Disk Galaxy PGC 66551", 2024, ApJ, 962 [VIEW]
  • Dunsby, Peter K. S., Luongo, Orlando, Muccino, Marco: "Unifying the dark sector through a single matter fluid with nonzero pressure", 2024, PHYSICAL REVIEW D, 109 [VIEW]
  • Pustilnik, S. A., Kniazev, A. Y., Tepliakova, A. L., et al.: "Dwarfs in nearby voids: results of SALT spectroscopy", 2024, MNRAS, 527, 11066-11081 [VIEW]
  • Scarrott, Malcolm C., Brink, Janus D., Colmenero, Encarni R., et al.: "Integration of machine learning and other software solutions to enhance SALT's observational efficiency", 2024, SOFTWARE AND CYBERINFRASTRUCTURE FOR ASTRONOMY VIII (Proceedings of SPIE), 13101 [VIEW]
  • Kypriotakis, John A., Joshi, Bhushan, Blinov, Dmitry, et al.: "The WALOP software", 2024, SOFTWARE AND CYBERINFRASTRUCTURE FOR ASTRONOMY VIII (Proceedings of SPIE), 13101 [VIEW]
  • van Gend, Carel, Potter, Stephen, Erasmus, Nicolas, et al.: "The Intelligent Observatory: software for robotic operation, monitoring and safeguarding", 2024, SOFTWARE AND CYBERINFRASTRUCTURE FOR ASTRONOMY VIII (Proceedings of SPIE), 13101 [VIEW]
  • Potravnov, I, Ryabchikova, T., Piskunov, N., et al.: "Doppler imaging of a southern ApSi star HD 152564", 2024, MNRAS, 527, 10376-10387 [VIEW]
  • Holdsworth, D. L., Cunha, M. S., Lares-Martiz, M., et al.: "TESS Cycle 2 observations of roAp stars with 2-min cadence data", 2024, MNRAS, 527, 9548-9580 [VIEW]
  • Aydi, E., Chomiuk, L., Strader, J., et al.: "Revisiting the classics: on the evolutionary origin of the 'Fe II' and 'He/N' spectral classes of novae", 2024, MNRAS, 527, 9303-9321 [VIEW]
  • Kilkenny, D., Worters, H. L., Baran, A. S.: "Period variability in the pulsating Extreme Helium stars V652 Her and BX Cir", 2023, MNRAS, 527, 8402-8408 [VIEW]
  • Stoppa, F., Bhattacharyya, S., de Austri, R. Ruiz, et al.: "AutoSourceID-Classifier Star-galaxy classification using a convolutional neural network with spatial information", 2023, A&A, 680 [VIEW]
  • Stoppa, F., Ruiz de Austri, R., Vreeswijk, P., et al.: "AutoSourceID-FeatureExtractor Optical image analysis using a two-step mean variance estimation network for feature estimation and uncertainty characterisation", 2023, A&A, 680 [VIEW]
  • Liodakis, I., Shablovinskaya, E., Blinov, D., et al.: "Optical circular polarization of blazar S4 0954+65 during high linear polarized states", 2023, A&A, 680 [VIEW]
  • Lipunov, V. M., Kornilov, V. G., Zhirkov, K. K., et al.: "Extreme Universe through the Eyes of Master Global Robotic Net", 2023, ASTRONOMY REPORTS, 67, S140-S150 [VIEW]
  • Kniazev, A. Yu., Katkov, I. Yu., Malkov, O. Yu., et al.: "Spectral Types of Long-Period Double-Lined Eclipsing Binary System Components from Low-Resolution Spectroscopy Data", 2023, ASTROPHYSICAL BULLETIN, 78, 535-549 [VIEW]
  • O'Connor, B., Kouveliotou, C., Evans, P. A., et al.: "The Swift Deep Galactic Plane Survey (DGPS) Phase I Catalog", 2023, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 269 [VIEW]
  • Garnavich, Peter, Potter, Stephen B., Buckley, David A. H., et al.: "Rapid Evolution of the White Dwarf Pulsar AR Scorpii", 2023, ApJL, 958 [VIEW]
  • Monageng, I. M., McBride, V. A., Alfonso-Garzon, J., et al.: "4U 1210-64: a new member of the rare intermediate-mass X-ray binary subclass", 2024, MNRAS, 527, 5293-5301 [VIEW]
  • Driessen, L. N., Barr, E. D., Buckley, D. A. H., et al.: "FRB 20210405I: a nearby Fast Radio Burst localized to sub-arcsecond precision with MeerKAT", 2024, MNRAS, 527, 3659-3673 [VIEW]