RESEARCH & PUBLICATIONS

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

  • 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]
  • 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: Can we find the young Sun?", 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • Glass, Ian: "The Cape Observatory at 200", 2020, ASTRONOMY & GEOPHYSICS, 61, 34-39
  • 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]
  • Solovyeva, Y., Vinokurov, A., Sarkisyan, A., et al.: "New luminous blue variable candidates in the NGC247 galaxy", 2020, MNRAS, 497, 4834-4842 [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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • Sil'chenko, Olga K., Kniazev, Alexei Yu, Chudakova, Ekaterina M.: "The Structure of Stellar Disks in Isolated Lenticular Galaxies*", 2020, AJ, 160 [VIEW]
  • Thorstensen, John R., Motsoaledi, Mokhine, Woudt, Patrick A., et al.: "Optical Studies of Eight AM Herculis-type Cataclysmic Variable Stars", 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]
  • 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]
  • 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]
  • Krishnarao, Dhanesh, Tremonti, Christy, Fraser-McKelvie, Amelia, et al.: "The Effect of Bars on the Ionized ISM: Optical Emission Lines from Milky Way Analogs", 2020, ApJ, 898 [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]
  • 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]
  • 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]
  • Koribalski, Barbel S., Staveley-Smith, L., Westmeier, T., et al.: "WALLABY - an SKA Pathfinder Hi survey", 2020, ASTROPHYSICS AND SPACE SCIENCE, 365 [VIEW]
  • Roettgers, Bernhard, Naab, Thorsten, Cernetic, Miha, et al.: "Lyman alpha absorption beyond the disc of simulated spiral galaxies", 2020, MNRAS, 496, 152-168 [VIEW]
  • Labadie-Bartz, Jonathan, Handler, Gerald, Pepper, Joshua, et al.: "New Beta Cephei Stars from the KELT Project", 2020, AJ, 160 [VIEW]
  • Ahumada, Romina, Allende Prieto, Carlos, Almeida, Andres, et al.: "The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra", 2020, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 249 [VIEW]
  • van der Burg, Remco F. J., Rudnick, Gregory, Balogh, Michael L., et al.: "The GOGREEN Survey: A deep stellar mass function of cluster galaxies at 1.0 < z < 1.4 and the complex nature of satellite quenching", 2020, A&A, 638 [VIEW]
  • Kollatschny, W., Grupe, D., Parker, M. L., et al.: "Optical and X-ray discovery of the changing-look AGN IRAS 23226-3843 showing extremely broad and double-peaked Balmer profiles", 2020, A&A, 638 [VIEW]
  • Monguio, M., Greimel, R., Drew, J. E., et al.: "IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane*", 2020, A&A, 638 [VIEW]
  • Jones, Jonathan Spencer: "Living on an island", 2020, ASTRONOMY & GEOPHYSICS, 61, 26-27
  • Sobolev, A., V, Zhilkin, A. G., Bisikalo, D., V, et al.: "Three-Dimensional Numerical Simulation of a Flow Structure in the Asynchronous Polar CD Ind in the Approximation of an Offset Dipole Magnetic Field of a White Dwarf", 2020, ASTRONOMY REPORTS, 64, 467-498 [VIEW]
  • Khangale, Z. N., Woudt, P. A., Potter, S. B., et al.: "A spectroscopic analysis of the eclipsing nova-like EC 21178-5417-discovery of spiral density structures", 2020, MNRAS, 495, 637-649 [VIEW]
  • Townsend, L. J., Charles, P. A.: "Orbital and superorbital periods in ULX pulsars, disc-fed HMXBs, Be/X-ray binaries, and double-periodic variables", 2020, MNRAS, 495, L139-L143 [VIEW]
  • Wu, Xiaohan, Dave, Romeel, Tacchella, Sandro, et al.: "Photometric properties of reionization-epoch galaxies in the SIMBA simulations", 2020, MNRAS, 494, 5636-5651 [VIEW]
  • Whitaker, Katherine E., Franx, Marijn, Leja, Joel, et al.: "CONSTRAINING THE LOW-MASS SLOPE OF THE STAR FORMATION SEQUENCE AT 0.5 < z < 2.5 (vol 795, 104, 2014)", 2020, ApJ, 896 [VIEW]
  • Appleby, Sarah, Dave, Romeel, Kraljic, Katarina, et al.: "The impact of quenching on galaxy profiles in the SIMBA simulation", 2020, MNRAS, 494, 6053-6071 [VIEW]
  • Pursiainen, M., Gutierrez, C. P., Wiseman, P., et al.: "The mystery of photometric twins DES17X1boj and DES16E2bjy", 2020, MNRAS, 494, 5576-5589 [VIEW]
  • Titus, N., Toonen, S., McBride, V. A., et al.: "The radio pulsar population of the Small Magellanic Cloud", 2020, MNRAS, 494, 500-510 [VIEW]
  • Coe, M. J., Monageng, I. M., Bartlett, E. S., et al.: "A major optical and X-ray outburst from the Magellanic Bridge source RX J0209.6-7427", 2020, MNRAS, 494, 1424-1429 [VIEW]
  • Kennedy, M. R., Breton, R. P., Clark, C. J., et al.: "Optical, X-ray, and gamma-ray observations of the candidate transitional millisecond pulsar 4FGL J0427.8-6704", 2020, MNRAS, 494, 3912-3926 [VIEW]
  • Mamon, Gary. A., Trevisan, Marina, Thuan, Trinh X., et al.: "The frequency of very young galaxies in the local Universe: II. The view from SDSS spectra (vol 492, pg 1791, 2020)", 2020, MNRAS, 494, 1133-1133 [VIEW]
  • Neustadt, J. M. M., Holoien, T. W-S, Kochanek, C. S., et al.: "To TDE or not to TDE: the luminous transient ASASSN-18jd with TDE-like and AGN-like qualities", 2020, MNRAS, 494, 2538-2560 [VIEW]
  • Pala, A. F., Gansicke, B. T., Breedt, E., et al.: "A Volume-limited Sample of Cataclysmic Variables from Gaia DR2: Space Density and Population Properties", 2020, MNRAS, 494, 3799-3827 [VIEW]
  • Gu, Meng, Conroy, Charlie, Law, David, et al.: "Spectroscopic Constraints on the Buildup of Intracluster Light in the Coma Cluster", 2020, ApJ, 894 [VIEW]
  • Mingozzi, M., Belfiore, F., Cresci, G., et al.: "SDSS IV MaNGA: Metallicity and ionisation parameter in local star-forming galaxies from Bayesian fitting to photoionisation models", 2020, A&A, 636 [VIEW]
  • Aydi, Elias, Sokolovsky, Kirill V. ., Chomiuk, Laura, et al.: "Direct evidence for shock-powered optical emission in a nova", 2020, NATURE ASTRONOMY, 4, 776-780 [VIEW]
  • Balona, L. A., Ozuyar, D.: "TESS observations of Be stars: a new interpretation", 2020, MNRAS, 493, 2528-2544 [VIEW]
  • Balona, L. A., Ozuyar, D.: "Pulsation among TESS A and B stars and the Maia variables", 2020, MNRAS, 493, 5871-5879 [VIEW]
  • Surgit, Derya, Erdem, Ahmet, Engelbrecht, Chris A., et al.: "Absolute parameters of three southern eclipsing binaries: DQ Car, BK Ind, and V4396 Sgr", 2020, MNRAS, 493, 2659-2675 [VIEW]