RESEARCH & PUBLICATIONS

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

  • Moskovitz, Nicholas A., Benson, Conor James, Scheeres, Daniel, et al.: "Observational investigation of the 2013 near-Earth encounter by asteroid (367943) Duende", 2020, ICARUS, 340 [VIEW]
  • Bright, J. S., Fender, R. P., Motta, S. E., et al.: "An extremely powerful long-lived superluminal ejection from the black hole MAXI J1820+070", 2020, NATURE ASTRONOMY [VIEW]
  • van Heerden, P., Engelbrecht, C. A., Martinez, P.: "Pulsation mode switching in the pulsating star HD 81589 and a proposed classification as a field FaRPB star", 2020, MNRAS, 492, 4635-4645 [VIEW]
  • Pustilnik, S. A., Kniazev, A. Y., Perepelitsyna, Y. A., et al.: "XMP gas-rich dwarfs in nearby voids: results of SALT spectroscopy", 2020, MNRAS, 493, 830-846 [VIEW]
  • Andrianomena, Sambatra, Rafieferantsoa, Mika, Dave, Romeel: "Classifying galaxies according to their H I content", 2020, MNRAS, 492, 5743-5753 [VIEW]
  • Gvaramadze, V. V., Kniazev, A. Y., Graefener, G., et al.: "WR 72: a born-again planetary nebula with hydrogen-poor knots", 2020, MNRAS, 492, 3316-3322 [VIEW]
  • Shara, Michael M., Crawford, Steven M., Vanbeveren, Dany, et al.: "The spin rates of O stars in WR plus O Magellanic Cloud binaries", 2020, MNRAS, 492, 4430-4435 [VIEW]
  • Kraljic, Katarina, Dave, Romeel, Pichon, Christophe: "And yet it flips: connecting galactic spin and the cosmic web", 2020, MNRAS, 493, 362-381 [VIEW]
  • Khangale, Z. N., Potter, S. B., Woudt, P. A., et al.: "A spectroscopic, photometric, polarimetric, and radio study of the eclipsing polar UZ Fornacis: the first simultaneous SALT and MeerKAT observations", 2020, MNRAS, 492, 4298-4312 [VIEW]
  • Huang, Shuiyao, Katz, Neal, Dave, Romeel, et al.: "The impact of wind scalings on stellar growth and the baryon cycle in cosmological simulations", 2020, MNRAS, 493, 1-28 [VIEW]
  • Eyres, S. R. S., Evans, A., Zijlstra, A., et al.: "ALMA reveals the aftermath of a white dwarf brown dwarf-merger in CK Vulpeculae (vol 79, pg 312, 2018)", 2020, MNRAS, 493, 1328-1329 [VIEW]
  • Evans, A., Gehrz, R. D., Woodward, C. E., et al.: "The infrared view of dust and molecules around V4334 Sgr (Sakurai's object): a 20-yr retrospective", 2020, MNRAS, 493, 1277-1291 [VIEW]
  • North, P. L., Jorissen, A., Escorza, A., et al.: "SPECTROSCOPIC ORBITS OF THREE DWARF BARIUM STARS", 2020, OBSERVATORY, 140, 11-20
  • Borrow, Josh, Angles-Alcazar, Daniel, Dave, Romeel: "Cosmological baryon transfer in the SIMBA simulations", 2020, MNRAS, 491, 6102-6119 [VIEW]
  • Gvaramadze, V. V., Kniazev, A. Y., Castro, N., et al.: "HD 93795: a late-B supergiant star with a square circumstellar nebula", 2020, MNRAS, 492, 2383-2392 [VIEW]
  • Hassan, Sultan, Finlator, Kristian, Dave, Romeel, et al.: "Testing galaxy formation simulations with damped Lyman-alpha abundance and metallicity evolution", 2020, MNRAS, 492, 2835-2846 [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", 2020, MNRAS, 492, 1791-1811 [VIEW]
  • Bonnet-Bidaud, J. M., Mouchet, M., Falize, E., et al.: "Fast quasi-periodic oscillations in the eclipsing polar VV Puppis from VLT and XMM-Newton observations", 2020, A&A, 633 [VIEW]
  • Rodriguez, E., Balona, L. A., Lopez-Gonzalez, M. J., et al.: "Pulsation and rotation in NGC 6811: the Kepler short-cadence stars", 2020, MNRAS, 491, 4345-4364 [VIEW]
  • Ruiz-Carmona, R., Khangale, Z. N., Woudt, P. A., et al.: "Analysis of spiral structure in the accretion disc of the nova-like cataclysmic variable EC21178-5417", 2020, MNRAS, 491, 344-355 [VIEW]
  • Ruiz-Carmona, R., Groot, P. J., Steeghs, D.: "A systematic study of spiral density waves in the accretion discs of cataclysmic variables", 2020, MNRAS, 491, 2217-2253 [VIEW]
  • Sickafoose, A. A., Bosh, A. S., Emery, J. P., et al.: "Characterization of material around the centaur (2060) Chiron from a visible and near-infrared stellar occultation in 2011", 2020, MNRAS, 491, 3643-3654 [VIEW]
  • Power, C., Elahi, P. J., Welker, C., et al.: "NIFTY galaxy cluster simulations - VI. The dynamical imprint of substructure on gaseous cluster outskirts", 2020, MNRAS, 491, 3923-3936 [VIEW]
  • Kraljic, Katarina, Pichon, Christophe, Codis, Sandrine, et al.: "The impact of the connectivity of the cosmic web on the physical properties of galaxies at its nodes", 2020, MNRAS, 491, 4294-4309 [VIEW]
  • Boardman, N., Zasowski, G., Seth, A., et al.: "Milky Way analogues in MaNGA: multiparameter homogeneity and comparison to the Milky Way", 2020, MNRAS, 491, 3672-3701 [VIEW]
  • Driessen, L. N., McDonald, I, Buckley, D. A. H., et al.: "MKT J170456.2-482100: the first transient discovered by MeerKAT", 2020, MNRAS, 491, 560-575 [VIEW]
  • Weltman, A., Bull, P., Camera, S., et al.: "Fundamental physics with the Square Kilometre Array", 2020, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA, 37 [VIEW]
  • Doan, L., Ramstedt, S., Vlemmings, W. H. T., et al.: "The extended molecular envelope of the asymptotic giant branch star pi(1) Gruis as seen by ALMA II. The spiral-outflow observed at high-angular resolution", 2019, A&A, 633 [VIEW]
  • Charpinet, S., Brassard, P., Fontaine, G., et al.: "TESS first look at evolved compact pulsators Discovery and asteroseismic probing of the g-mode hot B subdwarf pulsator EC 21494-7018", 2019, A&A, 632 [VIEW]
  • Balona, L. A.: "Evidence for spots on hot stars suggests major revision of stellar physics", 2019, MNRAS, 490, 2112-2116 [VIEW]
  • McNeill, A., Mommert, M., Trilling, D. E., et al.: "Asteroid Photometry from the Transiting Exoplanet Survey Satellite: A Pilot Study", 2019, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 245 [VIEW]
  • Groot, Paul J.: "The multi-colour dynamic Universe explored", 2019, NATURE ASTRONOMY, 3, 1160-1160 [VIEW]
  • Yung, L. Y. Aaron, Somerville, Rachel S., Popping, Gergoe, et al.: "Semi-analytic forecasts for JWST - II. Physical properties and scaling relations for galaxies at z=4-10", 2019, MNRAS, 490, 2855-2879 [VIEW]
  • Montero, Francisco Rodriguez, Dave, Romeel, Wild, Vivienne, et al.: "Mergers, starbursts, and quenching in the SIMBA simulation", 2019, MNRAS, 490, 2139-2154 [VIEW]
  • Wu, Xiaohan, McQuinn, Matthew, Kannan, Rahul, et al.: "Imprints of temperature fluctuations on the z similar to 5 Lyman-alpha forest: a view from radiation-hydrodynamic simulations of reionization", 2019, MNRAS, 490, 3177-3195 [VIEW]
  • Lagrange, A-M, Meunier, Nadege, Rubini, Pascal, et al.: "Evidence for an additional planet in the beta Pictoris system", 2019, NATURE ASTRONOMY, 3, 1135-1142 [VIEW]
  • Westfall, Kyle B., Cappellari, Michele, Bershady, Matthew A., et al.: "The Data Analysis Pipeline for the SDSS-IV MaNGA IFU Galaxy Survey: Overview", 2019, AJ, 158 [VIEW]
  • Gunther, Maximilian N., Pozuelos, Francisco J., Dittmann, Jason A., et al.: "A super-Earth and two sub-Neptunes transiting the nearby and quiet M dwarf TOI-270", 2019, NATURE ASTRONOMY, 3, 1099-1108 [VIEW]
  • Huang, Chi, Zou, Hu, Kong, Xu, et al.: "The Mass-Metallicity Relation at z similar to 0.8: Redshift Evolution and Parameter Dependency", 2019, ApJ, 886 [VIEW]
  • Geballe, T. R., Banerjee, D. P. K., Evans, A., et al.: "Infrared Spectroscopy of the Recent Outburst in V1047 Cen (Nova Centauri 2005)", 2019, ApJL, 886 [VIEW]
  • Mogotsi, Keoikantse Moses, Romeo, Alessandro B.: "The stellar velocity dispersion in nearby spirals: radial profiles and correlations", 2019, MNRAS, 489, 3797-3809 [VIEW]
  • Gvaramadze, V. V., Pakhomov, Yu. V., Kniazev, A. Y., et al.: "TYC8606-2025-1: a mild barium star surrounded by the ejecta of a very late thermal pulse", 2019, MNRAS, 489, 5136-5145 [VIEW]
  • Li, Qi, Narayanan, Desika, Dave, Romeel: "The dust-to-gas and dust-to-metal ratio in galaxies from z=0 to 6", 2019, MNRAS, 490, 1425-1436 [VIEW]
  • Molaro, Margherita, Dave, Romeel, Hassan, Sultan, et al.: "ARTIST: fast radiative transfer for large-scale simulations of the epoch of reionization", 2019, MNRAS, 489, 5594-5611 [VIEW]
  • Macri, Lucas M., Kraan-Korteweg, Renee C., Lambert, Trystan, et al.: "The 2MASS Redshift Survey in the Zone of Avoidance", 2019, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 245 [VIEW]
  • Carnall, A. C., McLure, R. J., Dunlop, J. S., et al.: "The VANDELS survey: the star-formation histories of massive quiescent galaxies at 1.0 < z < 1.3", 2019, MNRAS, 490, 417-439 [VIEW]
  • McBrien, Owen R., Smartt, Stephen J., Chen, Ting-Wan, et al.: "SN2018kzr: A Rapidly Declining Transient from the Destruction of a White Dwarf", 2019, ApJL, 885 [VIEW]
  • Coughlin, Michael W., Ahumada, Tomas, Anand, Shreya, et al.: "GROWTH on S190425z: Searching Thousands of Square Degrees to Identify an Optical or Infrared Counterpart to a Binary Neutron Star Merger with the Zwicky Transient Facility and Palomar Gattini-IR", 2019, ApJL, 885 [VIEW]
  • Nagakane, M., Lee, Chien-Hsiu, Koshimoto, N., et al.: "OGLE-2015-BLG-1649Lb: A Gas Giant Planet around a Low-mass Dwarf", 2019, AJ, 158 [VIEW]
  • Rodriguez, Joseph E., Eastman, Jason D., Zhou, George, et al.: "KELT-24b: A 5M(J) Planet on a 5.6 day Well-aligned Orbit around the Young V=8.3 F-star HD 93148", 2019, AJ, 158 [VIEW]
  • Schaefer, Adam L., Tremonti, Christy, Pace, Zachary, et al.: "SDSS-IV MaNGA: Evidence for Enriched Accretion onto Satellite Galaxies in Dense Environments", 2019, ApJ, 884 [VIEW]
  • Laskar, Tanmoy, van Eerten, Hendrik, Schady, Patricia, et al.: "A Reverse Shock in GRB 181201A", 2019, ApJ, 884 [VIEW]
  • Corbet, R. H. D., Chomiuk, L., Coe, M. J., et al.: "Discovery of the Galactic High-mass Gamma-Ray Binary 4FGL J1405.1-6119", 2019, ApJ, 884 [VIEW]
  • Schroder, A. C., Floeer, L., Winkel, B., et al.: "EZOA - a catalogue of EBHIS HI-detected galaxies in the northern Zone of Avoidance", 2019, MNRAS, 489, 2907-2922 [VIEW]
  • Jeffery, C. S., Miszalski, B.: "EC 22536-5304: SALT identifies a new lead-rich intermediate helium subdwarf", 2019, MNRAS, 489, 1481-1488 [VIEW]
  • Gasque, L. Claire, Hening, Callum A., Hviding, Raphael E., et al.: "Two Long-period Cataclysmic Variable Stars: ASASSN-14ho and V1062 Cyg", 2019, AJ, 158 [VIEW]
  • Charles, Phil, Matthews, James H., Buckley, David A. H., et al.: "Hot, dense He II outflows during the 2017 outburst of the X-ray transient Swift J1357.2-0933", 2019, MNRAS, 489, L47-L52 [VIEW]
  • Monageng, I. M., Coe, M. J., Kennea, J. A., et al.: "An X-ray and optical study of the outbursting behaviour of the SMC Be X-ray binary SXP 91.1", 2019, MNRAS, 489, 993-999 [VIEW]
  • Lipunov, V. M., Gorbovskoy, E., Kuznetsov, A., et al.: "Microquasar V404 Cyg/GS 2023+338: MASTER optical observations during the June and December 2015 super-outbursts", 2019, NEW ASTRONOMY, 72, 42-82 [VIEW]
  • Belfiore, Francesco, Westfall, Kyle B., Schaefer, Adam, et al.: "The Data Analysis Pipeline for the SDSS-IV MaNGA IFU Galaxy Survey: Emission-line Modeling", 2019, AJ, 158 [VIEW]
  • Zhou, G., Huang, C. X., Bakos, G. A., et al.: "Two New HATNet Hot Jupiters around A Stars and the First Glimpse at the Occurrence Rate of Hot Jupiters from TESS", 2019, AJ, 158 [VIEW]
  • Yan, Renbin, Chen, Yanping, Lazarz, Daniel, et al.: "SDSS-IV MaStar: A Large and Comprehensive Empirical Stellar Spectral Library-First Release", 2019, ApJ, 883 [VIEW]
  • Pace, Zachary J., Tremonti, Christy, Chen, Yanmei, et al.: "Resolved and Integrated Stellar Masses in the SDSS-IV/MaNGA Survey. I. PCA Spectral Fitting and Stellar Mass-to-light Ratio Estimates", 2019, ApJ, 883 [VIEW]
  • Pace, Zachary J., Tremonti, Christy, Chen, Yanmei, et al.: "Resolved and Integrated Stellar Masses in the SDSS-IV/MaNGA Survey. II. Applications of PCA-based Stellar Mass Estimates", 2019, ApJ, 883 [VIEW]
  • Miniutti, G., Saxton, R. D., Giustini, M., et al.: "Nine-hour X-ray quasi-periodic eruptions from a low-mass black hole galactic nucleus", 2019, NATURE, 573, 381-+ [VIEW]
  • Glass, Ian S.: "Making Stars Physical: The Astronomy of Sir John Herschel.", 2019, ISIS, 110, 617-618 [VIEW]
  • Fragkou, V, Parker, Q. A., Zijlstra, A. A., et al.: "A high-mass planetary nebula in a Galactic open cluster", 2019, NATURE ASTRONOMY, 3, 851-857 [VIEW]
  • Mason, Paul A., Wells, Natalie K., Motsoaledi, Mokhine, et al.: "CRTS J035010.7+323230, a new eclipsing polar in the cataclysmic variable period gap", 2019, MNRAS, 488, 2881-2891 [VIEW]
  • Joyce, M., Lairmore, L., Price, D. J., et al.: "Density Conversion between 1D and 3D Stellar Models with (1D)MESA2HYDRO(3D)", 2019, ApJ, 882 [VIEW]
  • Kovtyukh, V., Lemasle, B., Kniazev, A., et al.: "The MAGIC project - II. Discovery of two new Galactic lithium-rich Cepheids", 2019, MNRAS, 488, 3211-3221 [VIEW]
  • Mellon, Samuel N., Mamajek, Eric E., Stuik, Remko, et al.: "Bright Southern Variable Stars in the bRing Survey", 2019, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 244 [VIEW]
  • Paice, J. A., Gandhi, P., Charles, P. A., et al.: "Puzzling blue dips in the black hole candidate Swift J1357.2-0933, from ULTRACAM, SALT, ATCA, Swift, and NuSTAR", 2019, MNRAS, 488, 512-524 [VIEW]
  • Masters, Karen L., Stark, David V., Pace, Zachary J., et al.: "H-I-MaNGA: H I follow-up for the MaNGA survey", 2019, MNRAS, 488, 3396-3405 [VIEW]
  • Green, Paul J., Montez, Rodolfo, Mazzoni, Fernando, et al.: "A Chandra Study: Are Dwarf Carbon Stars Spun Up and Rejuvenated by Mass Transfer?", 2019, ApJ, 881 [VIEW]
  • Manick, Rajeev, Kamath, Devika, Van Winckel, Hans, et al.: "Spectroscopic binaries RV Tauri and DF Cygni", 2019, A&A, 628 [VIEW]
  • Balona, L. A., Holdsworth, D. L., Cunha, M. S.: "High frequencies in TESS A-F main-sequence stars", 2019, MNRAS, 487, 2117-2132 [VIEW]
  • Titus, N., Stappers, B. W., Morello, V., et al.: "Targeted search for young radio pulsars in the SMC: discovery of two new pulsars", 2019, MNRAS, 487, 4332-4342 [VIEW]
  • Vallely, P. J., Fausnaugh, M., Jha, S. W., et al.: "ASASSN-18tb: a most unusual Type Ia supernova observed by TESS and SALT", 2019, MNRAS, 487, 2372-2384 [VIEW]
  • Cullen, F., McLure, R. J., Dunlop, J. S., et al.: "The VANDELS survey: the stellar metallicities of star-forming galaxies at 2.5 < z < 5.0", 2019, MNRAS, 487, 2038-2060 [VIEW]
  • Dawson, Rebekah, I, Huang, Chelsea X., Lissauer, Jack J., et al.: "TOI-216b and TOI-216 c: Two Warm, Large Exoplanets in or Slightly Wide of the 2:1 Orbital Resonance", 2019, AJ, 158 [VIEW]
  • Cunha, M. S., Antoci, V., Holdsworth, D. L., et al.: "Rotation and pulsation in Ap stars: first light results from TESS sectors 1 and 2", 2019, MNRAS, 487, 3523-3549 [VIEW]
  • Johns, Daniel, Reed, Phillip A., Rodriguez, Joseph E., et al.: "KELT-23Ab: A Hot Jupiter Transiting a Near-solar Twin Close to the TESS and JWST Continuous Viewing Zones", 2019, AJ, 158 [VIEW]
  • Tsapras, Y., Cassan, A., Ranc, C., et al.: "An analysis of binary microlensing event OGLE-2015-BLG-0060", 2019, MNRAS, 487, 4603-4614 [VIEW]
  • Proshina, Irina S., Kniazev, Alexei Yu, Sil'chenko, Olga K.: "Star-forming Rings in Lenticular Galaxies: Origin of the Gas", 2019, AJ, 158 [VIEW]
  • Miszalski, B., Manick, R., Van Winckel, H., et al.: "The post-common-envelope binary nucleus of the planetary nebula IC 4776: neither an anomalously long orbital period nor a Wolf-Rayet binary", 2019, MNRAS, 487, 1040-1046 [VIEW]
  • Rafieferantsoa, Mika, Dave, Romeel, Naab, Thorsten: "MUFASA: Time-scales for Hi consumption and SFR depletion of satellite galaxies in groups", 2019, MNRAS, 486, 5184-5196 [VIEW]
  • Berdnikov, L. N., Kniazev, A. Yu., Kovtyukh, V. V., et al.: "Search for Evolutionary Changes in the Periods of Cepheids: BG Cru", 2019, ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 45, 445-452 [VIEW]
  • Munoz-Darias, T., Jimenez-Ibarra, F., Panizo-Espinar, G., et al.: "Hard-state Accretion Disk Winds from Black Holes: The Revealing Case of MAXI J1820+070", 2019, ApJL, 879 [VIEW]
  • Reddy, Vishnu, Kelley, Michael S., Farnocchia, Davide, et al.: "Near-Earth asteroid 2012 TC4 observing campaign: Results from a global planetary defense exercise", 2019, ICARUS, 326, 133-150 [VIEW]
  • Kostov, Veselin B., Schlieder, Joshua E., Barclay, Thomas, et al.: "The L 98-59 System: Three Transiting, Terrestrial-size Planets Orbiting a Nearby M Dwarf", 2019, AJ, 158 [VIEW]
  • Zwintz, K., Reese, D. R., Neiner, C., et al.: "Revisiting the pulsational characteristics of the exoplanet host star beta Pictoris", 2019, A&A, 627 [VIEW]
  • Escorza, A., Karinkuzhi, D., Jorissen, A., et al.: "Barium and related stars, and their white-dwarf companions", 2019, A&A, 626 [VIEW]
  • Whitelock, Patricia: "Michael William Feast 1926-2019 OBITUARY", 2019, ASTRONOMY & GEOPHYSICS, 60, 12-12
  • Paterson, K., Woudt, P. A., Warner, B., et al.: "High-speed photometry of faint cataclysmic variables - IX. Targets from multiple transient surveys", 2019, MNRAS, 486, 2422-2434 [VIEW]
  • Hakala, Pasi, Ramsay, Gavin, Potter, Stephen B., et al.: "TESS observations of the asynchronous polar CD Ind: mapping the changing accretion geometry", 2019, MNRAS, 486, 2549-2556 [VIEW]
  • Erasmus, N., McNeill, A., Mommert, M., et al.: "A Taxonomic Study of Asteroid Families from KMTNET-SAAO Multiband Photometry", 2019, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 242 [VIEW]
  • Dave, Romeel, Angles-Alcazar, Daniel, Narayanan, Desika, et al.: "SIMBA: Cosmological simulations with black hole growth and feedback", 2019, MNRAS, 486, 2827-2849 [VIEW]
  • Leja, Joel, Johnson, Benjamin D., Conroy, Charlie, et al.: "An Older, More Quiescent Universe from Panchromatic SED Fitting of the 3D-HST Survey", 2019, ApJ, 877 [VIEW]
  • Monageng, I. M., Coe, M. J., Townsend, L. J., et al.: "The SMC X-ray binary SXP4.78: a new Type II outburst and the identification and study of the optical counterpart", 2019, MNRAS, 485, 4617-4624 [VIEW]
  • Karambelkar, V. R., Adams, S. M., Whitelock, P. A., et al.: "SPIRITS Catalog of Infrared Variables: Identification of Extremely Luminous Long Period Variables", 2019, ApJ, 877 [VIEW]