RESEARCH & PUBLICATIONS

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

  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • Coe, M. J., Kennea, J. A., Evans, P. A., et al.: "The Be/neutron star system Swift J004929.5-733107 in the Small Magellanic Cloud-X-ray characteristics and optical counterpart candidates", 2021, MNRAS, 504, 1398-1406 [VIEW]
  • Schroder, A. C., van Driel, W., Kraan-Korteweg, R. C.: "A comparative analysis of Galactic extinction at low Galactic latitudes", 2021, MNRAS, 503, 5351-5366 [VIEW]
  • Treiber, H., Vasilopoulos, G., Bailyn, C. D., et al.: "RX J0529.8-6556: a BeXRB pulsar with an evolving optical period and out of phase X-ray outbursts", 2021, MNRAS, 503, 6187-6201 [VIEW]
  • Bailes, M., Bassa, C. G., Bernardi, G., et al.: "Multifrequency observations of SGR J1935+2154", 2021, MNRAS, 503, 5367-5384 [VIEW]
  • Kankare, E., Efstathiou, A., Kotak, R., et al.: "Core-collapse supernova subtypes in luminous infrared galaxies", 2021, A&A, 649 [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]
  • Thomas, Nicole, Dave, Romeel, Jarvis, Matt J., et al.: "The radio galaxy population in the SIMBA simulations", 2021, MNRAS, 503, 3492-3509 [VIEW]
  • Pretorius, M. L., Hewitt, D. M., Woudt, P. A., et al.: "Radio and optical observations of the possible AE Aqr twin, LAMOST J024048.51+195226.9", 2021, MNRAS, 503, 3692-3697 [VIEW]
  • Gvaramadze, V. V., Kniazev, A. Y., Gallagher, J. S., et al.: "SALT observations of the supernova remnant MCSNRJ0127-7332 and its associated Be X-ray binary SXP 1062 in the SMC", 2021, MNRAS, 503, 3856-3866 [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]
  • Alam, Shadab, Aubert, Marie, Avila, Santiago, et al.: "Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from two decades of spectroscopic surveys at the Apache Point Observatory", 2021, PHYSICAL REVIEW D, 103 [VIEW]
  • Kenworthy, M. A., Mellon, S. N., Bailey, J. I., III, et al.: "The beta Pictoris b Hill sphere transit campaign I. Photometric limits to dust and rings", 2021, A&A, 648 [VIEW]
  • Muhie, T. D., Dambis, A. K., Berdnikov, L. N., et al.: "Kinematics and multiband period-luminosity-metallicity relation of RR Lyrae stars via statistical parallax", 2021, MNRAS, 502, 4074-4092 [VIEW]
  • Rodriguez, Joseph E., Quinn, Samuel N., Zhou, George, et al.: "TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full-frame Images", 2021, AJ, 161 [VIEW]
  • Muellner, M., Zwintz, K., Corsaro, E., et al.: "Searching for solar-like oscillations in pre-main sequence stars using APOLLO(star) Can we find the young Sun?", 2021, A&A, 647 [VIEW]
  • Delvecchio, I., Daddi, E., Sargent, M. T., et al.: "The infrared-radio correlation of star-forming galaxies is strongly M-star-dependent but nearly redshift-invariant since z similar to 4", 2021, A&A, 647 [VIEW]
  • Balona, Luis A.: "Spots and Flares in Hot Main Sequence Stars Observed by Kepler, K2, and TESS", 2021, FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 8 [VIEW]
  • Person, Michael J., Bosh, Amanda S., Zuluaga, Carlos A., et al.: "Haze in Pluto's atmosphere: Results from SOFIA and ground-based observations of the 2015 June 29 Pluto occultation", 2021, ICARUS, 356 [VIEW]
  • Cunnama, Daniel: "The South African Astronomical Observatory 200 Virtual Symposium", 2021, SOUTH AFRICAN JOURNAL OF SCIENCE, 117, 14-16 [VIEW]
  • Lovell, Christopher C., Geach, James E., Dave, Romeel, et al.: "Reproducing submillimetre galaxy number counts with cosmological hydrodynamic simulations", 2021, MNRAS, 502, 772-793 [VIEW]
  • Sooknunan, K., Lochner, M., Bassett, Bruce A., et al.: "Classification of multiwavelength transients with machine learning", 2021, MNRAS, 502, 206-224 [VIEW]
  • Monageng, I. M., Motta, S. E., Fender, R., et al.: "Radio flaring and dual radio loud/quiet behaviour in the new candidate black hole X-ray binary MAXI J1631-472", 2021, MNRAS, 501, 5776-5781 [VIEW]
  • Silva, Andrea, Marchesini, Danilo, Silverman, John D., et al.: "Galaxy Mergers up to z < 2.5. II. AGN Incidence in Merging Galaxies at Separations of 3-15 kpc", 2021, ApJ, 909 [VIEW]
  • Hunt, L. R., Pisano, D. J., Crawford, S. M., et al.: "The Evolution of the Luminosity Function for Luminous Compact Blue Galaxies to z=1", 2021, ApJ, 909 [VIEW]
  • Maddox, N., Frank, B. S., Ponomareva, A. A., et al.: "MIGHTEE-HI: The HI emission project of the MeerKAT MIGHTEE survey", 2021, A&A, 646 [VIEW]
  • Dedrick, Cayla M., Fulton, Benjamin J., Knutson, Heather A., et al.: "Two Planets Straddling the Habitable Zone of the Nearby K Dwarf Gl 414A", 2021, AJ, 161 [VIEW]
  • Jozsa, Gyula I. G., Thorat, Kshitij, Kamphuis, Peter, et al.: "Anomalous gas in ESO 149-G003: a MeerKAT-16 view", 2021, MNRAS, 501, 2704-2723 [VIEW]
  • Castro Segura, N., Knigge, C., Acosta-Pulido, J. A., et al.: "Bow shocks, nova shells, disc winds and tilted discs: the nova-like V341 Ara has it all", 2021, MNRAS, 501, 1951-1969 [VIEW]
  • Law, David R., Westfall, Kyle B., Bershady, Matthew A., et al.: "SDSS-IV MaNGA: Modeling the Spectral Line-spread Function to Subpercent Accuracy", 2021, AJ, 161 [VIEW]
  • Bakowska, K., Marsh, T. R., Steeghs, D., et al.: "Spectroscopy of the helium-rich binary ES Ceti reveals accretion via a disc and evidence of eclipses", 2021, A&A, 645 [VIEW]
  • Volnova, Alina, Pozanenko, Alexei, Mazaeva, Elena, et al.: "IKI GRB-FuN: observations of GRBs with small-aperture telescopes", 2021, ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS, 93 [VIEW]
  • Maharana, Siddharth, Kypriotakis, John A., Ramaprakash, Anamparambu N., et al.: "WALOP-South: a four-camera one-shot imaging polarimeter for PASIPHAE survey. Paper I-optical design", 2021, JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 7 [VIEW]
  • Gupta, N., Jagannathan, P., Srianand, R., et al.: "Blind H I and OH Absorption Line Search: First Results with MALS and uGMRT Processed Using ARTIP", 2021, ApJ, 907 [VIEW]
  • Sherif, Abbas M., Dunsby, Peter K. S.: "Geometric properties of a certain class of compact dynamical horizons in locally rotationally symmetric class II spacetimes", 2021, INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS, 18 [VIEW]
  • Ita, Yoshifusa, Menzies, John W., Whitelock, Patricia A., et al.: "Light and colour variations of Mira variables in the Small Magellanic Cloud", 2021, MNRAS, 500, 82-100 [VIEW]
  • Old, Lyndsay J., Balogh, Michael. L., van der Burg, Remco F. J., et al.: "The GOGREEN survey: the environmental dependence of the star-forming galaxy main sequence at 1.0 < z < 1.5 (vol 493, 10.1093/mnras/staa579, 2020)", 2021, MNRAS, 500, 355-357 [VIEW]
  • Balogh, Michael L., van der Burg, Remco F. J., Muzzin, Adam, et al.: "The GOGREEN and GCLASS surveys: first data release", 2021, MNRAS, 500, 358-387 [VIEW]
  • Donevski, D., Lapi, A., Malek, K., et al.: "In pursuit of giants I. The evolution of the dust-to-stellar mass ratio in distant dusty galaxies", 2020, A&A, 644 [VIEW]
  • Colas, F., Zanda, B., Bouley, S., et al.: "FRIPON: a worldwide network to track incoming meteoroids", 2020, A&A, 644 [VIEW]
  • Belkin, S. O., Pozanenko, A. S., Mazaeva, E. D., et al.: "Multiwavelength Observations of GRB 181201A and Detection of Its Associated Supernova", 2020, ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 46, 783-811 [VIEW]
  • Kasliwal, Mansi M., Anand, Shreya, Ahumada, Tomas, et al.: "Kilonova Luminosity Function Constraints Based on Zwicky Transient Facility Searches for 13 Neutron Star Merger Triggers during O3", 2020, ApJ, 905 [VIEW]
  • Bok, J., Skelton, R. E., Cluver, M. E., et al.: "H I study of isolated and paired galaxies: the MIR SFR-M* sequence", 2020, MNRAS, 499, 3193-3213 [VIEW]
  • Stevens, Daniel J., Zhou, George, Johnson, Marshall C., et al.: "An extreme-mass ratio, short-period eclipsing binary consisting of a B dwarf primary and a pre-main-sequence M star companion discovered by KELT", 2020, MNRAS, 499, 3775-3791 [VIEW]
  • Aydi, E., Chomiuk, L., Izzo, L., et al.: "Early Spectral Evolution of Classical Novae: Consistent Evidence for Multiple Distinct Outflows", 2020, ApJ, 905 [VIEW]
  • Smith, M., D'Andrea, C. B., Sullivan, M., et al.: "First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy", 2020, AJ, 160 [VIEW]
  • Sorini, Daniele, Dave, Romeel, Angles-Alcazar, Daniel: "SIMBA: the average properties of the circumgalactic medium of 2 <= z <= 3 quasars are determined primarily by stellar feedback", 2020, MNRAS, 499, 2760-2784 [VIEW]
  • Christiansen, Jacob F., Dave, Romeel, Sorini, Daniele, et al.: "Jet feedback and the photon underproduction crisis in SIMBA", 2020, MNRAS, 499, 2617-2635 [VIEW]
  • de Blok, W. J. G., Athanassoula, E., Bosma, A., et al.: "MeerKAT HI commissioning observations of MHONGOOSE galaxy ESO 302-G014", 2020, A&A, 643 [VIEW]
  • Ackley, K., Amati, L., Barbieri, C., et al.: "Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger candidate S190814bv", 2020, A&A, 643 [VIEW]
  • Durech, J., Tonry, J., Erasmus, N., et al.: "Asteroid models reconstructed from ATLAS photometry", 2020, A&A, 643 [VIEW]
  • Lower, Sidney, Narayanan, Desika, Leja, Joel, et al.: "How Well Can We Measure the Stellar Mass of a Galaxy: The Impact of the Assumed Star Formation History Model in SED Fitting", 2020, ApJ, 904 [VIEW]
  • Robson, Dylan, Dave, Romeel: "X-ray emission from hot gas in galaxy groups and clusters in SIMBA", 2020, MNRAS, 498, 3061-3076 [VIEW]
  • Glowacki, M., Elson, E., Dave, R.: "The baryonic Tully-Fisher relation in the SIMBA simulation", 2020, MNRAS, 498, 3687-3702 [VIEW]
  • Sadr, Alireza Vafaei, Bassett, Bruce A., Oozeer, Nadeem, et al.: "Deep learning improves identification of Radio Frequency Interference", 2020, MNRAS, 499, 379-390 [VIEW]
  • Randriamampandry, S. M., Vaccari, M., Hess, K. M.: "Effect of the environment on star formation activity and stellar mass for star-forming galaxies in the COSMOS field", 2020, MNRAS, 499, 948-956 [VIEW]
  • Maryeva, O., V, Gvaramadze, V. V., Kniazev, A. Y., et al.: "Wray 15-906: a candidate luminous blue variable discovered with WISE, Herschel, and SALT", 2020, MNRAS, 498, 5093-5108 [VIEW]
  • Goodwin, A. J., Russell, D. M., Galloway, D. K., et al.: "Enhanced optical activity 12 d before X-ray activity, and a 4 d X-ray delay during outburst rise, in a low-mass X-ray binary", 2020, MNRAS, 498, 3429-3439 [VIEW]
  • Boardman, N., Zasowski, G., Newman, J. A., et al.: "Are the Milky Way and Andromeda unusual? A comparison with Milky Way and Andromeda analogues", 2020, MNRAS, 498, 4943-4954 [VIEW]
  • Webb, Kristi, Balogh, Michael L., Leja, Joel, et al.: "The GOGREEN survey: post-infall environmental quenching fails to predict the observed age difference between quiescent field and cluster galaxies at z > 1", 2020, MNRAS, 498, 5317-5342 [VIEW]
  • Kennea, J. A., Coe, M. J., Evans, P. A., et al.: "The newly discovered Be/X-ray binary Swift J004516.6-734703 in the SMC: witnessing the emergence of a circumstellar disc", 2020, MNRAS, 499, L41-L46 [VIEW]
  • Balona, Luis A.: "The Hot Limit of Solar-like Oscillations From Kepler Photometry", 2020, FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 7 [VIEW]
  • Kniazev, Alexei: "Long-period eclipsing binaries: towards the true mass-luminosity relation. II. Absolute parameters of the NN Del system", 2020, ASTROPHYSICS AND SPACE SCIENCE, 365 [VIEW]
  • Berdnikov, L. N., Kniazev, A. Yu., Dambis, A. K., et al.: "RRab Variable T Men: The Period Variability and the Blazhko Effect", 2020, ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 46, 691-701 [VIEW]
  • Glass, Ian: "The Cape Observatory at 200", 2020, ASTRONOMY & GEOPHYSICS, 61, 34-39
  • Solovyeva, Y., Vinokurov, A., Sarkisyan, A., et al.: "New luminous blue variable candidates in the NGC247 galaxy", 2020, MNRAS, 497, 4834-4842 [VIEW]
  • Oknyansky, V. L., Winkler, H., Tsygankov, S. S., et al.: "The post-maximum behaviour of the changing-look Seyfert galaxy NGC 1566", 2020, MNRAS, 498, 718-727 [VIEW]
  • Cuneo, V. A., Munoz-Darias, T., Sanchez-Sierras, J., et al.: "Discovery of optical outflows and inflows in the black hole candidate GRS 1716-249", 2020, MNRAS, 498, 25-32 [VIEW]
  • Iyer, Kartheik G., Tacchella, Sandro, Genel, Shy, et al.: "The diversity and variability of star formation histories in models of galaxy evolution", 2020, MNRAS, 498, 430-463 [VIEW]
  • Shetty, Shravan, Bershady, Matthew A., Westfall, Kyle B., et al.: "Stellar Population Synthesis with Distinct Kinematics: Multiage Asymmetric Drift in SDSS-IV MaNGA Galaxies", 2020, ApJ, 901 [VIEW]
  • Cunningham, Joni-Marie C., Feliz, Dax L., Dixon, Don M., et al.: "A KELT-TESS Eclipsing Binary in a Young Triple System Associated with the Local "Stellar String" Theia 301", 2020, AJ, 160 [VIEW]
  • Lambert, Trystan S., Kraan-Korteweg, R. C., Jarrett, T. H., et al.: "The 2MASS redshift survey galaxy group catalogue derived from a graph-theory based friends-of-friends algorithm", 2020, MNRAS, 497, 2954-2973 [VIEW]
  • Huang, Shuiyao, Katz, Neal, Scannapieco, Evan, et al.: "A new model for including galactic winds in simulations of galaxy formation - I. Introducing the Physically Evolved Winds (PhEW) model", 2020, MNRAS, 497, 2586-2604 [VIEW]
  • Hlabathe, Michael S., Starkey, David A., Horne, Keith, et al.: "Robotic reverberation mapping of the broad-line radio galaxy 3C 120", 2020, MNRAS, 497, 2910-2929 [VIEW]
  • Dave, Romeel, Crain, Robert A., Stevens, Adam R. H., et al.: "Galaxy cold gas contents in modern cosmological hydrodynamic simulations", 2020, MNRAS, 497, 146-166 [VIEW]
  • Martinez, Romy Rodriguez, Gaudi, B. Scott, Rodriguez, Joseph E., et al.: "KELT-25 b and KELT-26 b: A Hot Jupiter and a Substellar Companion Transiting Young A Stars Observed by TESS", 2020, AJ, 160 [VIEW]
  • Gaibor, Y., Garnavich, P. M., Littlefield, C., et al.: "An improved spin-down rate for the proposed white dwarf pulsar AR scorpii", 2020, MNRAS, 496, 4849-4856 [VIEW]
  • Randriamanakoto, Z., Ishwara-Chandra, C. H., Taylor, A. R.: "J1615+5452: a remnant radio galaxy in the ELAIS-N1 field", 2020, MNRAS, 496, 3381-3389 [VIEW]
  • Monageng, I. M., Coe, M. J., Buckley, D. A. H., et al.: "Optical and X-ray study of the peculiar high-mass X-ray binary XMMU J010331.7-730144", 2020, MNRAS, 496, 3615-3622 [VIEW]
  • Yung, L. Y. Aaron, Somerville, Rachel S., Finkelstein, Steven L., et al.: "Semi-analytic forecasts for JWST - IV. Implications for cosmic reionization and LyC escape fraction", 2020, MNRAS, 496, 4574-4592 [VIEW]
  • Rhodes, L., van der Horst, A. J., Fender, R., et al.: "Radio afterglows of very high-energy gamma-ray bursts 190829A and 180720B", 2020, MNRAS, 496, 3326-3335 [VIEW]
  • Maraston, C., Hill, L., Thomas, D., et al.: "Stellar population models based on the SDSS-IV MaStar library of stellar spectra - I. Intermediate-age/old models", 2020, MNRAS, 496, 2962-2997 [VIEW]
  • Caleb, M., Stappers, B. W., Abbott, T. D., et al.: "Simultaneous multi-telescope observations of FRB 121102", 2020, MNRAS, 496, 4565-4573 [VIEW]
  • Kniazev, Alexei Yu, Malkov, Oleg Yu, Katkov, Ivan Yu, et al.: "Long-period eclipsing binaries: towards the true mass-luminosity relation. I. the test sample, observations and data analysis", 2020, RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 20 [VIEW]
  • Hewitt, D. M., Pretorius, M. L., Woudt, P. A., et al.: "A MeerKAT survey of nearby nova-like cataclysmic variables", 2020, MNRAS, 496, 2542-2557 [VIEW]
  • Holoien, Thomas W. -S., Auchettl, Katie, Tucker, Michael A., et al.: "The Rise and Fall of ASASSN-18pg: Following a TDE from Early to Late Times", 2020, ApJ, 898 [VIEW]