RESEARCH & PUBLICATIONS

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

  • 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]
  • 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]
  • 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]
  • 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]
  • Caleb, M., Stappers, B. W., Abbott, T. D., et al.: "Simultaneous multi-telescope observations of FRB 121102", 2020, MNRAS, 496, 4565-4573 [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]
  • 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]
  • 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, Prieto, Carlos Allende, 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]
  • Hosenie, Zafiirah, Lyon, Robert, Stappers, Benjamin, et al.: "Imbalance learning for variable star classification", 2020, MNRAS, 493, 6050-6059 [VIEW]
  • Arnold, R. Alex, McSwain, M. Virginia, Pepper, Joshua, et al.: "Long-period High-amplitude Red Variables in the KELT Survey", 2020, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 247 [VIEW]
  • Jordana-Mitjans, N., Mundell, C. G., Kobayashi, S., et al.: "Lowly Polarized Light from a Highly Magnetized Jet of GRB 190114C", 2020, ApJ, 892 [VIEW]
  • 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]
  • 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", 2020, MNRAS, 493, 5987-6000 [VIEW]
  • Buie, Marc W., Porter, Simon B., Tamblyn, Peter, et al.: "Size and Shape Constraints of (486958) Arrokoth from Stellar Occultations", 2020, AJ, 159 [VIEW]
  • Whitelock, Patricia: "What Stars Are Made Of: The Life of Cecilia Payne-Gaposchkin", 2020, NATURE ASTRONOMY, 4, 440-441 [VIEW]
  • Kumar, Amit, Pandey, Shashi Bhushan, Konyves-Toth, Reka, et al.: "SN 2010kd: Photometric and Spectroscopic Analysis of a Slow-decaying Superluminous Supernova", 2020, ApJ, 892 [VIEW]
  • Dorval, P., Talens, G. J. J., Otten, G. P. P. L., et al.: "MASCARA-4 b/bRing-1 b: A retrograde hot Jupiter around a bright A-type star", 2020, A&A, 635 [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, 4, 697-+ [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]
  • Erasmus, N., Navarro-Meza, S., McNeill, A., et al.: "Investigating Taxonomic Diversity within Asteroid Families through ATLAS Dual-band Photometry", 2020, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 247 [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]
  • Tremou, E., Corbel, S., Fender, R. P., et al.: "Radio and X-ray detections of GX 339-4 in quiescence using MeerKAT and Swift", 2020, MNRAS, 493, L132-L137 [VIEW]
  • Woodward, C. E., Evans, A., Richter, M., et al.: "Benzyne in V4334 Sqr: A Quest for the Ring with SOFIA/EXES", 2020, AJ, 159 [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]
  • Schaefer, Adam L., Tremonti, Christy, Belfiore, Francesco, et al.: "SDSS-IV MaNGA: Variations in the N/O-O/H Relation Bias Metallicity Gradient Measurements", 2020, ApJL, 890 [VIEW]
  • Shporer, Avi, Collins, Karen A., Astudillo-Defru, Nicola, et al.: "1252 b: A 1.2 R-circle plus Planet Transiting an M3 Dwarf at 20.4 pc", 2020, ApJL, 890 [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]
  • 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]
  • 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]
  • Miyazaki, Shota, Sumi, Takahiro, Bennett, David P., et al.: "OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf", 2020, AJ, 159 [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]
  • Huang, Caroline D., Riess, Adam G., Yuan, Wenlong, et al.: "Hubble Space Telescope Observations of Mira Variables in the SN Ia Host NGC 1559: An Alternative Candle to Measure the Hubble Constant", 2020, ApJ, 889 [VIEW]
  • Chen, Ping, Dong, Subo, Stritzinger, M. D., et al.: "The Most Rapidly Declining Type I Supernova 2019bkc/ATLAS19dqr", 2020, ApJL, 889 [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]
  • 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", 2020, A&A, 633 [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]
  • Williams, D. R. A., Motta, S. E., Fender, R., et al.: "The 2018 outburst of BHXB H1743-322 as seen with MeerKAT", 2020, MNRAS, 491, L29-L33 [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]
  • 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]