RESEARCH & PUBLICATIONS

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

  • Ramsay, Gavin, Woudt, Patrick A., Kupfer, Thomas, et al.: "The OmegaWhite survey for short-period variable stars - VII. High amplitude short-period blue variables", 2022, MNRAS, 513, 2215-2225 [VIEW]
  • Gill, Samuel, Ulmer-Moll, Solene, Wheatley, Peter J., et al.: "TIC-320687387 B: a long-period eclipsing M-dwarf close to the hydrogen burning limit", 2022, MNRAS, 513, 1785-1793 [VIEW]
  • Geda, Robel, Crawford, Steven M., Hunt, Lucas, et al.: "PetroFit: A Python Package for Computing Petrosian Radii and Fitting Galaxy Light Profiles", 2022, AJ, 163 [VIEW]
  • Scaringi, S., Groot, P. J., Knigge, C., et al.: "Localized thermonuclear bursts from accreting magnetic white dwarfs", 2022, NATURE, 604, 447-+ [VIEW]
  • Zheng, Yirui, Dave, Romeel, Wild, Vivienne, et al.: "Rapidly quenched galaxies in the SIMBA cosmological simulation and observations", 2022, MNRAS, 513, 27-41 [VIEW]
  • Chrimes, A. A., Levan, A. J., Fruchter, A. S., et al.: "New candidates for magnetar counterparts from a deep search with the Hubble Space Telescope", 2022, MNRAS, 512, 6093-6103 [VIEW]
  • Driessen, L. N., Stappers, B. W., Tremou, E., et al.: "21 new long-term variables in the GX 339-4 field: two years of MeerKAT monitoring", 2022, MNRAS, 512, 5037-5066 [VIEW]
  • Nicola, Andrina, Villaescusa-Navarro, Francisco, Spergel, David N., et al.: "Breaking baryon-cosmology degeneracy with the electron density power spectrum", 2022, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS [VIEW]
  • Fragkou, Vasiliki, Parker, Quentin A., Zijlstra, Albert A., et al.: "Further Studies of the Association of Planetary Nebula BMP J16135406 with Galactic Open Cluster NGC 6067", 2022, GALAXIES, 10 [VIEW]
  • Krishnarao, Dhanesh, Pace, Zachary J., D'Onghia, Elena, et al.: "Photometric Signature of Ultraharmonic Resonances in Barred Galaxies", 2022, ApJ, 929 [VIEW]
  • Kawana, Yuka, Saito, Toshiki, Okumura, Sachiko K., et al.: "Multiwavelength and Multi-CO View of the Minor Merger Driven Star Formation in the Nearby LIRG NGC 3110", 2022, ApJ, 929 [VIEW]
  • Akins, Hollis B., Narayanan, Desika, Whitaker, Katherine E., et al.: "Quenching and the UVJ Diagram in the SIMBA Cosmological Simulation", 2022, ApJ, 929 [VIEW]
  • Villaescusa-Navarro, Francisco, Genel, Shy, Angles-Alcazar, Daniel, et al.: "The CAMELS Multifield Data Set: Learning the Universe's Fundamental Parameters with Artificial Intelligence", 2022, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 259 [VIEW]
  • Bond, Howard E., Jencson, Jacob E., Whitelock, Patricia A., et al.: "Hubble Space Telescope Imaging of Luminous Extragalactic Infrared Transients and Variables from the Spitzer Infrared Intensive Transients Survey*", 2022, ApJ, 928 [VIEW]
  • Chen, Ping, Dong, Subo, Kochanek, C. S., et al.: "The First Data Release of CNIa0.02-A Complete Nearby (Redshift <0.02) Sample of Type Ia Supernova Light Curves*", 2022, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 259 [VIEW]
  • Abdurro'uf, Accetta, Katherine, Aerts, Conny, et al.: "The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar, and APOGEE-2 Data", 2022, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 259 [VIEW]
  • Winters, Jennifer G., Cloutier, Ryan, Medina, Amber A., et al.: "A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds", 2022, AJ, 163 [VIEW]
  • Silverstein, Michele L., Schlieder, Joshua E., Barclay, Thomas, et al.: "The LHS 1678 System: Two Earth-sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc", 2022, AJ, 163 [VIEW]
  • Sherif, Abbas M., Dunsby, Peter K. S., Goswami, Rituparno: "On some locally symmetric embedded spaces with non-negative scalar curvature and their characterization", 2022, INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS, 19 [VIEW]
  • Dichiara, S., Troja, E., Lipunov, V, et al.: "The early afterglow of GRB 190829A", 2022, MNRAS, 512, 2337-2349 [VIEW]
  • Monageng, I. M., Coe, M. J., Townsend, L. J., et al.: "Disentangling the neighbouring pulsars SXP 15.3 and SXP 305", 2022, MNRAS, 511, 6075-6086 [VIEW]
  • Pakhomova, Polina, Berdnikov, Leonid, Kniazev, Alexei, et al.: "Parameterization of long-period eclipsing binaries", 2022, OPEN ASTRONOMY, 31, 106-109 [VIEW]
  • Segura, N. Castro, Knigge, C., Long, K. S., et al.: "A persistent ultraviolet outflow from an accreting neutron star binary transient", 2022, NATURE, 603, 52-+ [VIEW]
  • Gandhi, P., Buckley, D. A. H., Charles, P. A., et al.: "Astrometric excess noise in Gaia EDR3 and the search for X-ray binaries", 2022, MNRAS, 510, 3885-3895 [VIEW]
  • Law, David R., Belfiore, Francesco, Bershady, Matthew A., et al.: "SDSS-IV MaNGA: Understanding Ionized Gas Turbulence Using Integral Field Spectroscopy of 4500 Star-forming Disk Galaxies", 2022, ApJ, 928 [VIEW]
  • O'Connor, B., Gogus, E., Huppenkothen, D., et al.: "Identification of an X-Ray Pulsar in the BeXRB System IGR J18219-1347", 2022, ApJ, 927 [VIEW]
  • Shao, Helen, Villaescusa-Navarro, Francisco, Genel, Shy, et al.: "Finding Universal Relations in Subhalo Properties with Artificial Intelligence", 2022, ApJ, 927 [VIEW]
  • Dobie, D., Stewart, A., Hotokezaka, K., et al.: "A comprehensive search for the radio counterpart of GW190814 with the Australian Square Kilometre Array Pathfinder", 2022, MNRAS, 510, 3794-3805 [VIEW]
  • Durech, Josef, Vavra, Michael, Vanco, Radim, et al.: "Rotation Periods of Asteroids Determined With Bootstrap Convex Inversion From ATLAS Photometry", 2022, FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 9 [VIEW]
  • Sherif, A. M., Dunsby, P. K. S.: "Conformal geometry on a class of embedded hypersurfaces in spacetimes", 2022, CLASSICAL AND QUANTUM GRAVITY, 39 [VIEW]
  • Katkov, Ivan Yu, Kniazev, Alexei Yu, Sil'chenko, Olga K., et al.: "Star formation in outer rings of S0 galaxies IV. NGC 254: A double-ringed S0 with gas counter-rotation", 2022, A&A, 658 [VIEW]
  • Han, Cheongho, Udalski, Andrzej, Lee, Chung-Uk, et al.: "OGLE-2019-BLG-0468Lb,c: Two microlensing giant planets around a G-type star", 2022, A&A, 658 [VIEW]
  • Hahn, ChangHoon, Starkenburg, Tjitske K., Angles-Alcazar, Daniel, et al.: "IQ Collaboratory. III. The Empirical Dust Attenuation Framework-Taking Hydrodynamical Simulations with a Grain of Dust", 2022, ApJ, 926 [VIEW]
  • Garg, Prerak, Narayanan, Desika, Byler, Nell, et al.: "The BPT Diagram in Cosmological Galaxy Formation Simulations: Understanding the Physics Driving Offsets at High Redshift", 2022, ApJ, 926 [VIEW]
  • du Plessis, Louis, Venter, Christo, Wadiasingh, Zorawar, et al.: "Probing the non-thermal emission geometry of AR Sco via optical phase-resolved polarimetry", 2022, MNRAS, 510, 2998-3010 [VIEW]
  • Schutte, Hester M., Britto, Richard J., Bottcher, Markus, et al.: "Modeling the Spectral Energy Distributions and Spectropolarimetry of Blazars-Application to 4C+01.02 in 2016-2017*", 2022, ApJ, 925 [VIEW]
  • Giacalone, Steven, Dressing, Courtney D., Hedges, Christina, et al.: "Validation of 13 Hot and Potentially Terrestrial TESS Planets", 2022, AJ, 163 [VIEW]
  • Saunders, Nicholas, Grunblatt, Samuel K., Huber, Daniel, et al.: "TESS Giants Transiting Giants. I.: A Noninflated Hot Jupiter Orbiting a Massive Subgiant", 2022, AJ, 163 [VIEW]
  • Balona, L. A.: "Rapidly oscillating TESS A-F main-sequence stars: are the roAp stars a distinct class?", 2022, MNRAS, 510, 5743-5759 [VIEW]
  • Sameer, Charlton, Jane C., Kacprzak, Glenn G., et al.: "Probing the physicochemical properties of the Leo Ring and the Leo I group", 2022, MNRAS, 510, 5796-5820 [VIEW]
  • Sihlangu, Isaac, Oozeer, Nadeem, Bassett, Bruce A.: "Multi-dimensional radio frequency interference framework for characterizing radio astronomy observatories", 2022, JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 8 [VIEW]
  • Crichton, Devin, Aich, Moumita, Amara, Adam, et al.: "Hydrogen Intensity and Real-Time Analysis Experiment: 256-element array status and overview", 2022, JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 8 [VIEW]
  • Mahy, L., Lanthermann, C., Hutsemekers, D., et al.: "Multiplicity of Galactic luminous blue variable stars", 2022, A&A, 657 [VIEW]
  • Murphy, Geoff G., Yates, Robert M., Mohamed, Shazrene S.: "L-GALAXIES 2020: the formation and chemical evolution of stellar haloes in Milky Way analogues and galaxy clusters", 2022, MNRAS, 510, 1945-1963 [VIEW]
  • Kovtyukh, V, Lemasle, B., Bono, G., et al.: "The MAGIC project - III. Radial and azimuthal Galactic abundance gradients using classical Cepheids", 2022, MNRAS, 510, 1894-1901 [VIEW]
  • Driessen, L. N., Williams, D. R. A., McDonald, I, et al.: "The detection of radio emission from known X-ray flaring star EXO 040830-7134.7", 2021, MNRAS, 510, 1083-1092 [VIEW]
  • Driessen, L. N., Williams, D. R. A., McDonald, I, et al.: "The detection of radio emission from known X-ray flaring star EXO 040830-7134.7", 2022, MNRAS, 510, 1083-1092 [VIEW]
  • Gorgone, Nicholas M., Woudt, Patrick A., Buckley, David, et al.: "Swift/XRT Deep Galactic Plane Survey Discovery of a New Intermediate Polar Cataclysmic Variable, Swift J183920.1-045350", 2021, ApJ, 923 [VIEW]
  • Park, Sunkyung, Kospal, Agnes, de Miera, Fernando Cruz-Saenz, et al.: "V899 Mon: A Peculiar Eruptive Young Star Close to the End of Its Outburst", 2021, ApJ, 923 [VIEW]
  • Whitaker, Katherine E., Narayanan, Desika, Williams, Christina C., et al.: "High Molecular-gas to Dust Mass Ratios Predicted in Most Quiescent Galaxies", 2021, ApJL, 922 [VIEW]
  • Kara, Erin, Mehdipour, Missagh, Kriss, Gerard A., et al.: "AGN STORM 2. I. First results: A Change in the Weather of Mrk 817", 2021, ApJ, 922 [VIEW]
  • Heywood, I, Jarvis, M. J., Hale, C. L., et al.: "MIGHTEE: total intensity radio continuum imaging and the COSMOS/XMM-LSS Early Science fields", 2022, MNRAS, 509, 2150-2168 [VIEW]
  • Coti Zelati, F., Hugo, B., Torres, D. F., et al.: "Simultaneous X-ray and radio observations of the transitional millisecond pulsar candidate CXOU J110926.4-650224 The discovery of a variable radio counterpart", 2021, A&A, 655 [VIEW]
  • Greimel, R., Drew, J. E., Monguio, M., et al.: "High-resolution H alpha imaging of the northern Galactic plane and the IGAPS image database", 2021, A&A, 655 [VIEW]
  • Thomas, Jessymol K., Charles, Philip A., Buckley, David A. H., et al.: "Large optical modulations during 2018 outburst of MAXI J1820+070 reveal evolution of warped accretion disc through X-ray state change", 2022, MNRAS, 509, 1062-1074 [VIEW]
  • Lin, Yu-Heng, Scarlata, Claudia, Hayes, Matthew, et al.: "A peculiar Type II QSO identified via broad-band detection of extreme nebular line emission", 2022, MNRAS, 509, 489-500 [VIEW]
  • Frost, Abigali J., White, Jacob A., Dalgleish, Hannah S., et al.: "Astronomers for Planet Earth: Embracing Virtual Communication Induced by the COVID-19 Pandemic to Help Tackle the Climate Crisis", 2021, CAPJOURNAL, 28-32
  • Olsen, Karen Pardos, Burkhart, Blakesley, Mac Low, Mordecai-Mark, et al.: "sigame v3: Gas Fragmentation in Postprocessing of Cosmological Simulations for More Accurate Infrared Line Emission Modeling", 2021, ApJ, 922 [VIEW]
  • Hsieh, Henry H., Chandler, Colin O., Denneau, Larry, et al.: "Physical Characterization of Main-belt Comet (248370) 2005 QN(173)", 2021, ApJL, 922 [VIEW]
  • Balona, Luis A., Ozuyar, Dogus: "TESS Observations of Be Stars: General Characteristics and the Impulsive Magnetic Rotator Model", 2021, ApJ, 921 [VIEW]
  • Scaringi, S., de Martino, D., Buckley, D. A. H., et al.: "An accreting white dwarf displaying fast transitional mode switching", 2022, NATURE ASTRONOMY, 6, 98-+ [VIEW]
  • Yung, L. Y. Aaron, Somerville, Rachel S., Finkelstein, Steven L., et al.: "Semi-analytic forecasts for JWST - V. AGN luminosity functions and helium reionization at z=2-7", 2021, MNRAS, 508, 2706-2729 [VIEW]
  • Manick, Rajeev, Miszalski, Brent, Kamath, Devika, et al.: "The binary central star of the bipolar pre-planetary nebula IRAS 08005-2356 (V510 Pup)", 2021, MNRAS, 508, 2226-2235 [VIEW]
  • Chrimes, A. A., Levan, A. J., Groot, P. J., et al.: "The Galactic neutron star population - I. An extragalactic view of the Milky Way and the implications for fast radio bursts", 2021, MNRAS, 508, 1929-1946 [VIEW]
  • Jencson, Jacob E., Andrews, Jennifer E., Bond, Howard E., et al.: "AT 2019qyl in NGC 300: Internal Collisions in the Early Outflow from a Very Fast Nova in a Symbiotic Binary* dagger", 2021, ApJ, 920 [VIEW]
  • Singh, K. P., Girish, V, Tiwari, J., et al.: "Observations of AR Sco with Chandra and AstroSat soft X-ray telescope", 2021, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, 42 [VIEW]
  • Kennea, J. A., Coe, M. J., Evans, P. A., et al.: "Swift J011511.0-725611. discovery of a rare Be star/white dwarf binary system in the SMC", 2021, MNRAS, 508, 781-788 [VIEW]
  • Nelson, Erica J., Tacchella, Sandro, Diemer, Benedikt, et al.: "Spatially resolved star formation and inside-out quenching in the TNG50 simulation and 3D-HST observations", 2021, MNRAS, 508, 219-235 [VIEW]
  • Masters, Karen L., Krawczyk, Coleman, Shamsi, Shoaib, et al.: "Galaxy Zoo: 3D-crowdsourced bar, spiral, and foreground star masks for MaNGA target galaxies", 2021, MNRAS, 507, 3923-3935 [VIEW]
  • Glowacki, M., Elson, E., Dave, R.: "The redshift evolution of the baryonic Tully-Fisher relation in SIMBA", 2021, MNRAS, 507, 3267-3284 [VIEW]
  • An, Fangxia, Vaccari, M., Smail, Ian, et al.: "Radio spectral properties of star-forming galaxies in the MIGHTEE-COSMOS field and their impact on the far-infrared-radio correlation", 2021, MNRAS, 507, 2643-2658 [VIEW]
  • Sowicka, Paulina, Handler, Gerald, Jones, David, et al.: "The Missing Link? Discovery of Pulsations in the Nitrogen-rich PG 1159 Star PG 1144+005", 2021, ApJL, 918 [VIEW]
  • Appleby, Sarah, Dave, Romeel, Sorini, Daniele, et al.: "The low-redshift circumgalactic medium in SIMBA", 2021, MNRAS, 507, 2383-2404 [VIEW]
  • Pustilnik, S. A., Egorova, E. S., Kniazev, A. Y., et al.: "XMP gas-rich dwarfs in nearby voids: results of BTA spectroscopy", 2021, MNRAS, 507, 944-962 [VIEW]
  • Li, Qi, Narayanan, Desika, Torrey, Paul, et al.: "The origin of the dust extinction curve in milky way-like galaxies", 2021, MNRAS, 507, 548-559 [VIEW]
  • Hodgkin, S. T., Harrison, D. L., Breedt, E., et al.: "Gaia Early Data Release 3: Gaia photometric science alerts", 2021, A&A, 652 [VIEW]
  • Buckley, D. A. H., Bagnulo, S., Britto, R. J., et al.: "Spectropolarimetry and photometry of the early afterglow of the gamma-ray burst GRB191221B", 2021, MNRAS, 506, 4621-4631 [VIEW]
  • Vanderbosch, Zachary P., Rappaport, Saul, Guidry, Joseph A., et al.: "Recurring Planetary Debris Transits and Circumstellar Gas around White Dwarf ZTF J0328-1219", 2021, ApJ, 917 [VIEW]
  • Erasmus, N., Kramer, D., McNeill, A., et al.: "Discovery of superslow rotating asteroids with ATLAS and ZTF photometry", 2021, MNRAS, 506, 3872-3881 [VIEW]
  • Nedkova, Kalina, V, Haussler, Boris, Marchesini, Danilo, et al.: "Extending the evolution of the stellar mass-size relation at z <= 2 to low stellar mass galaxies from HFF and CANDELS", 2021, MNRAS, 506, 928-956 [VIEW]
  • Chernyakova, Maria, Malyshev, Denys, van Soelen, Brian, et al.: "Multi-Wavelength Properties of the 2021 Periastron Passage of PSR B1259-63", 2021, UNIVERSE, 7 [VIEW]
  • Randriamampandry, Toky H., Wang, Jing, Mogotsi, K. Moses: "The BLUEDISK Survey: Thickness of H i Layers in Gas-rich Spiral Galaxies", 2021, ApJ, 916 [VIEW]
  • Law, David R., Ji, Xihan, Belfiore, Francesco, et al.: "SDSS-IV MaNGA: Refining Strong Line Diagnostic Classifications Using Spatially Resolved Gas Dynamics", 2021, ApJ, 915 [VIEW]
  • Sherif, Abbas M., Dunsby, Peter K. S., Goswami, Rituparno, et al.: "On homothetic Killing vectors in stationary axisymmetric vacuum spacetimes", 2021, INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS, 18 [VIEW]
  • Lochner, M., Bassett, B. A.: "ASTRONOMALY: Personalised active anomaly detection in astronomical data", 2021, ASTRONOMY AND COMPUTING, 36 [VIEW]
  • Paice, J. A., Gandhi, P., Shahbaz, T., et al.: "The evolution of rapid optical/X-ray timing correlations in the initial hard state of MAXIJ1820+070", 2021, MNRAS, 505, 3452-3469 [VIEW]
  • Biviano, A., van der Burg, R. F. J., Balogh, M. L., et al.: "The GOGREEN survey: Internal dynamics of clusters of galaxies at redshift 0.9-1.4", 2021, A&A, 650 [VIEW]
  • Aryan, Amar, Pandey, S. B., Zheng, WeiKang, et al.: "Progenitor mass constraints for the type Ib intermediate-luminosity SN 2015ap and the highly extinguished SN 2016bau", 2021, MNRAS, 505, 2530-2547 [VIEW]
  • Acton, Jack S., Goad, Michael R., Burleigh, Matthew R., et al.: "NGTS-19b: a high-mass transiting brown dwarf in a 17-d eccentric orbit", 2021, MNRAS, 505, 2741-2752 [VIEW]
  • Hosenie, Zafiirah, Bloemen, Steven, Groot, Paul, et al.: "MeerCRAB: MeerLICHT classification of real and bogus transients using deep learning", 2021, EXPERIMENTAL ASTRONOMY, 51, 319-344 [VIEW]
  • Mao, J., Britto, R. J., Buckley, D. A. H., et al.: "On the Polarized Absorption Lines in Gamma-Ray Burst Optical Afterglows", 2021, ApJ, 914 [VIEW]
  • Kankare, E., Efstathiou, A., Kotak, R., et al.: "Core-collapse supernova subtypes in luminous infrared galaxies", 2021, A&A, 649 [VIEW]
  • Tilbrook, Rosanna H., Burleigh, Matthew R., Costes, Jean C., et al.: "NGTS 15b, 16b, 17b, and 18b: four hot Jupiters from the Next-Generation Transit Survey", 2021, MNRAS, 504, 6018-6032 [VIEW]
  • Vincentelli, F. M., McHardy, I, Cackett, E. M., et al.: "On the multiwavelength variability of Mrk 110: two components acting at different time-scales", 2021, MNRAS, 504, 4337-4353 [VIEW]
  • Moews, Ben, Dave, Romeel, Mitra, Sourav, et al.: "Hybrid analytic and machine-learned baryonic property insertion into galactic dark matter haloes", 2021, MNRAS, 504, 4024-4038 [VIEW]
  • Yang, Meng, Weijmans, Anne-Marie, Bershady, Matthew A., et al.: "An analytical model to kinematically identify thin discs in MaNGA galaxies", 2021, MNRAS, 504, 2658-2669 [VIEW]
  • Sobolev, A., V, Zhilkin, A. G., Bisikalo, D., V, et al.: "Three-Dimensional Model of the Flow Structure in the Asynchronous Polar CD Ind during Magnetic Pole Switching", 2021, ASTRONOMY REPORTS, 65, 392-411 [VIEW]
  • Roy, Namrata, Bundy, Kevin, Nevin, Rebecca, et al.: "Evidence of Wind Signatures in the Gas Velocity Profiles of Red Geysers", 2021, ApJ, 913 [VIEW]
  • Zajacek, Michal, Czerny, Bozena, Martinez-Aldama, Mary Loli, et al.: "Time Delay of Mg II Emission Response for the Luminous Quasar HE 0435-4312: toward Application of the High-accretor Radius-Luminosity Relation in Cosmology", 2021, ApJ, 912 [VIEW]
  • Arcodia, R., Merloni, A., Nandra, K., et al.: "X-ray quasi-periodic eruptions from two previously quiescent galaxies", 2021, NATURE, 592, 704-+ [VIEW]