RESEARCH & PUBLICATIONS

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

  • Balona, L. A.: "Evidence for spots on hot stars suggests major revision of stellar physics", 2019, MNRAS, 490, 2112-2116 [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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]
  • Lasker, J., Kessler, R., Scolnic, D., et al.: "First cosmology results using Type IA supernovae from the dark energy survey: effects of chromatic corrections to supernova photometry on measurements of cosmological parameters", 2019, MNRAS, 485, 5329-5344 [VIEW]
  • Macaulay, E., Nichol, R. C., Bacon, D., et al.: "First cosmological results using Type Ia supernovae from the Dark Energy Survey: measurement of the Hubble constant", 2019, MNRAS, 486, 2184-2196 [VIEW]
  • Gvaramadze, Vasilii V., Graefner, Goez, Langer, Norbert, et al.: "A massive white-dwarf merger product before final collapse", 2019, NATURE, 569, 684-+ [VIEW]
  • Goldman, S. R., Boyer, M. L., McQuinn, K. B. W., et al.: "An Infrared Census of DUST in Nearby Galaxies with Spitzer (DUSTiNGS). V. The Period-Luminosity Relation for Dusty Metal-poor AGB Stars", 2019, ApJ, 877 [VIEW]
  • Buckley, David A. H.: "The changing landscape of South African astronomy", 2019, NATURE ASTRONOMY, 3, 369-373 [VIEW]
  • Kilkenny, D., Worters, H. L., Lynas-Gray, A. E.: "New hot subdwarf variables from the EC survey", 2019, MNRAS, 485, 4330-4342 [VIEW]
  • Mahoro, Antoine, Povic, Mirjana, Nkundabakura, Pheneas, et al.: "Star formation in far-IR AGN and non-AGN galaxies in the green valley - II. Morphological analysis", 2019, MNRAS, 485, 452-463 [VIEW]
  • Gvaramadze, V. V., Kniazev, A. Y., Oskinova, L. M.: "Discovery of a putative supernova remnant around the long-period X-ray pulsar SXP 1323 in the Small Magellanic Cloud", 2019, MNRAS, 485, L6-L10 [VIEW]
  • Balona, L. A., Handler, G., Chowdhury, S., et al.: "Rotational modulation in TESS B stars", 2019, MNRAS, 485, 3457-3469 [VIEW]
  • Wilson, J. C., Hearty, F. R., Skrutskie, M. F., et al.: "The Apache Point Observatory Galactic Evolution Experiment (APOGEE) Spectrographs", 2019, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 131 [VIEW]
  • Kessler, R., Brout, D., D'Andrea, C. B., et al.: "First cosmology results using Type Ia supernova from the Dark Energy Survey: simulations to correct supernova distance biases", 2019, MNRAS, 485, 1171-1187 [VIEW]
  • Abbott, T. M. C., Alarcon, A., Allam, S., et al.: "Cosmological Constraints from Multiple Probes in the Dark Energy Survey", 2019, PHYSICAL REVIEW LETTERS, 122 [VIEW]
  • Miszalski, Brent, Manick, Rajeev, Van Winckel, Hans, et al.: "The post-common-envelope X-ray binary nucleus of the planetary nebula NGC 2392", 2019, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA, 36 [VIEW]
  • Ilkiewicz, Krystian, Mikolajewska, Joanna, Miszalski, Brent, et al.: "LMCS154: the first Magellanic symbiotic recurrent nova", 2019, A&A, 624 [VIEW]
  • Dragomir, Diana, Teske, Johanna, Gunther, Maximilian N., et al.: "TESS Delivers Its First Earth-sized Planet and a Warm Sub-Neptune", 2019, ApJL, 875 [VIEW]
  • van Soelen, B., Komin, N., Kniazev, A., et al.: "The orbital parameters of the gamma-ray binary LMC P3", 2019, MNRAS, 484, 4347-4351 [VIEW]
  • Berdnikov, L. N., Kniazev, A. Yu., Dambis, A. K., et al.: "CCD Observations and Period Change of the Type ab RR Lyrae Star DV Mon", 2019, ASTROPHYSICAL BULLETIN, 74, 183-195 [VIEW]
  • Kniazev, A. Yu., Usenko, I. A., Kovtyukh, V. V., et al.: "The MAGIC Project. I. High-Resolution Spectroscopy on Salt Telescope and the Cepheid RsNor as a Test Object", 2019, ASTROPHYSICAL BULLETIN, 74, 208-220 [VIEW]
  • Sadr, A. Vafaei, Vos, Etienne. E., Bassett, Bruce A., et al.: "DEEPSOURCE: point source detection using deep learning", 2019, MNRAS, 484, 2793-2806 [VIEW]
  • Breytenbach, H., Buckley, D. A. H., Hakala, P., et al.: "Discovery, observations, and modelling of a new eclipsing polar: MASTER OT J061451.70-272535.5", 2019, MNRAS, 484, 3831-3845 [VIEW]
  • Berdnikov, L. N., Pastukhova, E. N., Kovtyukh, V. V., et al.: "Search for Evolutionary Changes in the Periods of Cepheids: V1033 Cyg, a Classical Cepheid at the First Crossing of the Instability Strip", 2019, ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 45, 227-236 [VIEW]
  • Crause, Lisa A., Gilbank, David, van Gend, Carel, et al.: "SpUpNIC (Spectrograph Upgrade: Newly Improved Cassegrain): a versatile and efficient low- to medium-resolution, long-slit spectrograph on the South African Astronomical Observatory's 1.9-m telescope", 2019, JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 5 [VIEW]
  • Huang, Shuiyao, Katz, Neal, Dave, Romeel, et al.: "The robustness of cosmological hydrodynamic simulation predictions to changes in numerics and cooling physics", 2019, MNRAS, 484, 2021-2046 [VIEW]
  • Dominik, M., Bachelet, E., Bozza, V., et al.: "OGLE-2014-BLG-1186: gravitational microlensing providing evidence for a planet orbiting the foreground star or for a close binary source?", 2019, MNRAS, 484, 5608-5632 [VIEW]
  • Brout, D., Scolnic, D., Kessler, R., et al.: "First Cosmology Results Using SNe Ia from the Dark Energy Survey: Analysis, Systematic Uncertainties, and Validation", 2019, ApJ, 874 [VIEW]
  • Mattila, Kalevi, Vaisanen, Petri: "Extragalactic background light: inventory of light throughout the cosmic history", 2019, CONTEMPORARY PHYSICS, 60, 23-44 [VIEW]
  • Brout, D., Sako, M., Scolnic, D., et al.: "First Cosmology Results Using Type Ia Supernovae from the Dark Energy Survey: Photometric Pipeline and Light-curve Data Release", 2019, ApJ, 874 [VIEW]
  • Cembranos, Jose A. R., de la Cruz-Dombriz, Alvaro, Dunsby, Peter K. S., et al.: "Analysis of branon dark matter and extra-dimensional models with AMS-02", 2019, PHYSICS LETTERS B, 790, 345-353 [VIEW]
  • Menzies, John W., Whitelock, Patricia A., Feast, Michael W., et al.: "Luminous AGB variables in the dwarf irregular galaxy, NGC 3109", 2019, MNRAS, 483, 5150-5165 [VIEW]
  • Bok, J., Blyth, S. -L., Gilbank, D. G., et al.: "Enhanced H I profile asymmetries in close galaxy pairs", 2019, MNRAS, 484, 582-594 [VIEW]
  • Rennehan, Douglas, Babul, Arif, Hopkins, Philip F., et al.: "Dynamic localized turbulent diffusion and its impact on the galactic ecosystem", 2019, MNRAS, 483, 3810-3831 [VIEW]
  • Yung, L. Y. Aaron, Somerville, Rachel S., Finkelstein, Steven L., et al.: "Semi-analytic forecasts for JWST - I. UV luminosity functions at z=4-10", 2019, MNRAS, 483, 2983-3006 [VIEW]
  • Broussard, Adam, Gawiser, Eric, Iyer, Karthiek, et al.: "Star Formation Stochasticity Measured from the Distribution of Burst Indicators", 2019, ApJ, 873 [VIEW]
  • Hahn, ChangHoon, Starkenburg, Tjitske K., Choi, Ena, et al.: "IQ-Collaboratory 1.1: The Star-forming Sequence of Simulated Central Galaxies", 2019, ApJ, 872 [VIEW]
  • Abbott, T. M. C., Allam, S., Andersen, P., et al.: "First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters", 2019, ApJL, 872 [VIEW]
  • Panopoulou, Georgia V., Tassis, Konstantinos, Skalidis, Raphael, et al.: "Demonstration of Magnetic Field Tomography with Starlight Polarization toward a Diffuse Sightline of the ISM", 2019, ApJ, 872 [VIEW]
  • Katkov, Ivan Yu., Kniazev, Alexei Yu., Kasparova, Anastasia V., et al.: "The imprint of the thick stellar disc in the mid-plane of three early-type edge-on galaxies in the Fornax cluster", 2019, MNRAS, 483, 2413-2423 [VIEW]
  • Oknyansky, V. L., Winkler, H., Tsygankov, S. S., et al.: "New changing look case in NGC 1566", 2019, MNRAS, 483, 558-564 [VIEW]