RESEARCH & PUBLICATIONS

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

  • Katkov, Ivan Yu., Gasymov, Damir, Kniazev, Alexei Yu., et al.: "Probing the History of the Galaxy Assembly of the Counterrotating Disk Galaxy PGC 66551", 2024, ApJ, 962 [VIEW]
  • Potravnov, I, Ryabchikova, T., Piskunov, N., et al.: "Doppler imaging of a southern ApSi star HD 152564", 2023, MNRAS, 527, 10376-10387 [VIEW]
  • Stoppa, F., Bhattacharyya, S., de Austri, R. Ruiz, et al.: "AutoSourceID-Classifier Star-galaxy classification using a convolutional neural network with spatial information", 2023, A&A, 680 [VIEW]
  • Stoppa, F., Ruiz de Austri, R., Vreeswijk, P., et al.: "AutoSourceID-FeatureExtractor Optical image analysis using a two-step mean variance estimation network for feature estimation and uncertainty characterisation", 2023, A&A, 680 [VIEW]
  • Fender, R., Horesh, A., Charles, P., et al.: "Filling the radio transients gap", 2023, ASTRONOMY & GEOPHYSICS, 64 [VIEW]
  • O'Connor, B., Kouveliotou, C., Evans, P. A., et al.: "The Swift Deep Galactic Plane Survey (DGPS) Phase I Catalog", 2023, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 269 [VIEW]
  • Garnavich, Peter, Potter, Stephen B., Buckley, David A. H., et al.: "Rapid Evolution of the White Dwarf Pulsar AR Scorpii", 2023, ApJL, 958 [VIEW]
  • Kilkenny, D., Worters, H. L., Baran, A. S.: "Period variability in the pulsating Extreme Helium stars V652 Her and BX Cir", 2023, MNRAS, 527, 8402-8408 [VIEW]
  • Aydi, E., Chomiuk, L., Strader, J., et al.: "Revisiting the classics: on the evolutionary origin of the 'Fe II' and 'He/N' spectral classes of novae", 2023, MNRAS, 527, 9303-9321 [VIEW]
  • Monageng, I. M., McBride, V. A., Alfonso-Garzon, J., et al.: "4U 1210-64: a new member of the rare intermediate-mass X-ray binary subclass", 2023, MNRAS, 527, 5293-5301 [VIEW]
  • Driessen, L. N., Barr, E. D., Buckley, D. A. H., et al.: "FRB 20210405I: a nearby Fast Radio Burst localized to sub-arcsecond precision with MeerKAT", 2023, MNRAS, 527, 3659-3673 [VIEW]
  • Whittam, I. H., Prescott, M., Hale, C. L., et al.: "MIGHTEE: Multi-wavelength counterparts in the COSMOS field", 2023, MNRAS, 527, 3231-3245 [VIEW]
  • Driessen, L. N., Barr, E. D., Buckley, D. A. H., et al.: "FRB 20210405I: a nearby Fast Radio Burst localized to sub-arcsecond precision with MeerKAT", 2023, MNRAS, 527, 3659-3673 [VIEW]
  • Whittam, I. H., Prescott, M., Hale, C. L., et al.: "MIGHTEE: Multi-wavelength counterparts in the COSMOS field", 2023, MNRAS, 527, 3231-3245 [VIEW]
  • Segura, N. Castro, Knigge, C., Matthews, J. H., et al.: "Shedding far-ultraviolet light on the donor star and evolutionary state of the neutron-star LMXB Swift J1858.6-0814", 2023, MNRAS, 527, 2508-2522 [VIEW]
  • Zhu, Yi-Ming, Wang, Yun, Zhou, Hao, et al.: "A two-component jet model for the optical plateau in the afterglow of GRB 191221B", 2023, MNRAS, 527, 1638-1647 [VIEW]
  • Pelisoli, Ingrid, Sahu, Snehalata, Lyutikov, Maxim, et al.: "Unveiling the white dwarf in J191213.72-441045.1 through ultraviolet observations", 2023, MNRAS, 527, 3826-3836 [VIEW]
  • Maharana, S., Kiehlmann, S., Blinov, D., et al.: "Bright-Moon sky as a wide-field linear Polarimetric flat source for calibration", 2023, A&A, 679 [VIEW]
  • Maharana, S., Kiehlmann, S., Blinov, D., et al.: "Bright-Moon sky as a wide-field linear Polarimetric flat source for calibration", 2023, A&A, 679 [VIEW]
  • Sowicka, Paulina, Handler, Gerald, Jones, David, et al.: "The GW Vir Instability Strip in Light of New Observations of PG 1159 Stars: Discovery of Pulsations in the Central Star of A72 and Variability of RX J0122.9-7521", 2023, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 269 [VIEW]
  • Hobson, Melissa J., Trifonov, Trifon, Henning, Thomas, et al.: "TOI-199 b: A Well-characterized 100 day Transiting Warm Giant Planet with TTVs Seen from Antarctica", 2023, AJ, 166 [VIEW]
  • O'Connor, B., Brink, J., Buckley, D. A. H., et al.: "Identification of 1RXS J165424.6-433758 as a Polar Cataclysmic Variable", 2023, ApJ, 957 [VIEW]
  • Grayson, Skylar, Scannapieco, Evan, Dave, Romeel: "Distinguishing Active Galactic Nuclei Feedback Models with the Thermal Sunyaev-Zel'dovich Effect", 2023, ApJ, 957 [VIEW]
  • Quintana, Elisa V., Gilbert, Emily A., Barclay, Thomas, et al.: "Two Warm Super-Earths Transiting the Nearby M Dwarf TOI-2095", 2023, AJ, 166 [VIEW]
  • Pradeep, Kala G., Singh, Kulinder Pal, Dewangan, G. C., et al.: "A multiwavelength study of Swift J0503.7-2819: a chimeric magnetic CV", 2023, MNRAS, 527, 774-789 [VIEW]
  • Prince, Raj, Zajacek, Michal, Panda, Swayamtrupta, et al.: "Wavelength-resolved reverberation mapping of intermediate-redshift quasars HE 0413-4031 and HE 0435-4312: Dissecting Mg II, optical Fe II, and UV Fe II emission regions", 2023, A&A, 678 [VIEW]
  • Hartman, J. D., Bakos, G. A., Csubry, Z., et al.: "TOI 4201 b and TOI 5344 b: Discovery of Two Transiting Giant Planets around M-dwarf Stars and Revised Parameters for Three Others", 2023, AJ, 166 [VIEW]
  • Gan, Tianjun, Cadieux, Charles, Jahandar, Farbod, et al.: "A Massive Hot Jupiter Orbiting a Metal-rich Early M Star Discovered in the TESS Full-frame Images", 2023, AJ, 166 [VIEW]
  • Scaringi, S., Breivik, K., Littenberg, T. B., et al.: "Cataclysmic variables are a key population of gravitational wave sources for LISA", 2023, MNRAS, 525, L50-L55 [VIEW]
  • Jennings, Fred, Dave, Romeel: "Halo scaling relations and hydrostatic mass bias in the SIMBA simulation from realistic mock X-ray catalogues", 2023, MNRAS, 526, 1367-1387 [VIEW]
  • Osborn, Ares, Armstrong, David J., Fernandez, Jorge Fernandez, et al.: "TOI-332 b: a super dense Neptune found deep within the Neptunian desert", 2023, MNRAS, 526, 548-566 [VIEW]
  • Balona, L. A.: "Maia variables and other anomalies among pulsating stars", 2023, FRONTIERS IN ASTRONOMY AND SPACE SCIENCES, 10 [VIEW]
  • O'Connor, B., Gogus, E., Hare, J., et al.: "Swift Deep Galactic Plane Survey classification of Swift J170800-402551.8 as a candidate intermediate polar cataclysmic variable", 2023, MNRAS, 525, 5015-5024 [VIEW]
  • Pakhomova, P., Berdnikov, L., Kniazev, A., et al.: "Time Domain Astronomy Case: Use of Large Photometric Surveys for Study of Variable Stars", 2023, ASTRONOMY REPORTS, 67, 951-958 [VIEW]
  • Glass, I. S.: "THE FIRST PHOTOGRAPHS MADE AT THE CAPE OF GOOD HOPE", 2023, JOURNAL OF ASTRONOMICAL HISTORY AND HERITAGE, 26, 731-752 [VIEW]
  • Biswas, Sumedha, Kostrzewa-Rutkowska, Zuzanna, Jonker, Peter G., et al.: "Preparing for Gaia searches for optical counterparts of gravitational wave events during O4", 2023, MNRAS, 525, 4065-4078 [VIEW]
  • Ghosh, Ritesh, Laha, Sibasish, Meyer, Eileen, et al.: "A Reemerging Bright Soft X-Ray State of the Changing-look Active Galactic Nucleus 1ES 1927+654: A Multiwavelength View", 2023, ApJ, 955 [VIEW]
  • Klimenko, Viacheslav V., Kulkarni, Varsha, Wake, David A., et al.: "The Baryonic Content of Galaxies Mapped by MaNGA and the Gas Around Them", 2023, ApJ, 954 [VIEW]
  • Hviding, Raphael E. E., Hickox, Ryan C. C., Vaeisaenen, Petri, et al.: "The Kiloparsec-scale Influence of the AGN in NGC 1068 with SALT RSS Fabry-Perot Spectroscopy*", 2023, AJ, 166 [VIEW]
  • Barkaoui, K., Timmermans, M., Soubkiou, A., et al.: "TOI-2084 b and TOI-4184 b: Two new sub-Neptunes around M dwarf stars", 2023, A&A, 677 [VIEW]
  • de Wet, S., Izzo, L., Groot, P. J., et al.: "The ultra-long GRB 220627A at z=3.08", 2023, A&A, 677 [VIEW]
  • Oknyansky, V. L., Brotherton, M. S., Tsygankov, S. S., et al.: "Long-term multiwavelength monitoring and reverberation mapping of NGC 2617 during a changing-look event", 2023, MNRAS, 525, 2571-2584 [VIEW]
  • Munday, James, Tremblay, P-E, Hermes, J. J., et al.: "An eclipsing 47 min double white dwarf binary at 400 pc", 2023, MNRAS, 525, 1814-1823 [VIEW]
  • Chen, Zhiwei, Sefako, Ramotholo, Yang, Yang, et al.: "The role of magnetic fields in the formation of the filamentary infrared dark cloud G11.11-0.12", 2023, MNRAS, 525, 107-122 [VIEW]
  • Snowdon, E. J., Jeffery, C. S., Schlagenhauf, S., et al.: "Ton S 415: a close binary containing an intermediate helium subdwarf discovered with SALT and TESS", 2023, MNRAS, 525, 183-189 [VIEW]
  • Appleby, Sarah, Dave, Romeel, Sorini, Daniele, et al.: "Mapping circumgalactic medium observations to theory using machine learning", 2023, MNRAS, 525, 1167-1181 [VIEW]
  • Aharonian, F., Benkhali, F. Ait, Aschersleben, J., et al.: "The Vanishing of the Primary Emission Region in PKS 1510-089", 2023, ApJL, 952 [VIEW]
  • Hosseinzadeh, Griffin, Sand, David J., Sarbadhicary, Sumit K., et al.: "The Early Light Curve of SN 2023bee: Constraining Type Ia Supernova Progenitors the Apian Way", 2023, ApJL, 953 [VIEW]
  • Miller, Jake A., Cackett, Edward M., Goad, Michael R., et al.: "Continuum Reverberation Mapping of Mrk 876 over Three Years with Remote Robotic Observatories", 2023, ApJ, 953 [VIEW]
  • He, Chenyu, Sun, Weijia, Li, Chengyuan, et al.: "The Role of Binarity and Stellar Rotation in the Split Main Sequence of NGC 2422 (vol 938, 42, 2022)", 2023, ApJ, 952 [VIEW]
  • Imbrogno, M., Israel, G. L., Castillo, G. A. Rodriguez, et al.: "Discovery of a magnetar candidate X-ray pulsar in the Large Magellanic Cloud", 2023, MNRAS, 524, 5566-5574 [VIEW]
  • Bok, J., Skelton, R. E., Cluver, M. E., et al.: "H I study of isolated and paired galaxies: the MIR SFR-M☆ sequence (vol 499, pg 3193, 2020)", 2023, MNRAS, 524, 6229-6229 [VIEW]
  • Finlay, Chris, Bassett, Bruce A., Kunz, Martin, et al.: "Trajectory-based RFI subtraction and calibration for radio interferometry", 2023, MNRAS, 524, 3231-3251 [VIEW]
  • Coe, M. J., Kennea, J. A., Monageng, I. M., et al.: "A rare outburst from the stealthy BeXRB system Swift J0549.7-6812", 2023, MNRAS, 524, 3263-3269 [VIEW]
  • Diwan, Rishank, Prince, Raj, Agarwal, Aditi, et al.: "Multiwavelength study of TeV blazar 1ES 1218+304 using gamma-ray, X-ray and optical observations", 2023, MNRAS, 524, 4333-4345 [VIEW]
  • Picouet, V., Arnouts, S., Le Floc'h, E., et al.: "HSC-CLAUDS survey: The star formation rate functions since z  ∼  2 and comparison with hydrodynamical simulations", 2023, A&A, 675 [VIEW]
  • Maettilae, K., Vaeisaenen, P., Lehtinen, K., et al.: "Light and colour of cirrus, translucent, and opaque dust in the high-latitude area of LDN 1642", 2023, MNRAS, 524, 2797-2813 [VIEW]
  • Aydi, E., Chomiuk, L., Mikolajewska, J., et al.: "Catching a nova X-ray/UV flash in the visible? Early spectroscopy of the very slow Nova Velorum 2022 (Gaia22alz)", 2023, MNRAS, 524, 1946-1964 [VIEW]
  • Feltre, A., Gruppioni, C., Marchetti, L., et al.: "Optical and mid-infrared line emission in nearby Seyfert galaxies", 2023, A&A, 675 [VIEW]
  • Dong, Jiayin, Wang, Songhu, Rice, Malena, et al.: "TOI-1859b: A 64 Day Warm Jupiter on an Eccentric and Misaligned Orbit", 2023, ApJL, 951 [VIEW]
  • Hua, Xinyan, Wang, Sharon Xuesong, Teske, Johanna K., et al.: "A Transiting Super-Earth in the Radius Valley and an Outer Planet Candidate Around HD 307842", 2023, AJ, 166 [VIEW]
  • Street, R. A., Li, X., Khakpash, S., et al.: "LSST Survey Strategy in the Galactic Plane and Magellanic Clouds", 2023, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 267 [VIEW]
  • Mahoro, Antoine, Vaisanen, Petri, Povic, Mirjana, et al.: "The [O iii] Profiles of Far-infrared Active and Inactive Optically Selected Green Valley Galaxies", 2023, ApJ, 952 [VIEW]
  • Psaridi, Angelica, Bouchy, Francois, Lendl, Monika, et al.: "Three Saturn-mass planets transiting F-type stars revealed with TESS and HARPS TOI-615b, TOI-622b, and TOI-2641b", 2023, A&A, 675 [VIEW]
  • Gvaramadze, V. V., Kniazev, A. Y., Castro, N., et al.: "SALT spectroscopy of the HMXB associated with the LMC supernova remnant MCSNR J0513-6724", 2023, MNRAS, 523, 5510-5521 [VIEW]
  • Kurpas, J., Schwope, A. D., Pires, A. M., et al.: "Discovery of two promising isolated neutron star candidates in the SRG/eROSITA All-Sky Survey", 2023, A&A, 674 [VIEW]
  • Schwope, A., Marsh, T. R., Standke, A., et al.: "X-ray properties of the white dwarf pulsar eRASSU J191213.9-441044", 2023, A&A, 674 [VIEW]
  • Pelisoli, Ingrid, Marsh, T. R., Buckley, David A. H., et al.: "A 5.3-min-period pulsing white dwarf in a binary detected from radio to X-rays", 2023, NATURE ASTRONOMY, 7, 931-+ [VIEW]
  • O'Connor, Brendan, Troja, Eleonora, Ryan, Geoffrey, et al.: "A structured jet explains the extreme GRB 221009A", 2023, SCIENCE ADVANCES, 9 [VIEW]
  • Prajapati, Prachi, Mishra, Anwesh, Rawat, Ananya, et al.: "Near infrared background with 1.2-m telescope at Mount Abu", 2023, JOURNAL OF ASTROPHYSICS AND ASTRONOMY, 44 [VIEW]
  • Vowell, Noah, Rodriguez, Joseph E., Quinn, Samuel N., et al.: "HIP 33609 b: An Eccentric Brown Dwarf Transiting a V=7.3 Rapidly Rotating B Star", 2023, AJ, 165 [VIEW]
  • Daniel, Richard, Campbell, Mariam, van de Bruck, Carsten, et al.: "Transitioning from a bounce to R2 inflation", 2023, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS [VIEW]
  • Mukai, Koji, Pretorius, Magaretha L.: "The orbital period versus absolute magnitude relationship of intermediate polars: implications for low states and outbursts", 2023, MNRAS, 523, 3192-3200 [VIEW]
  • Andersson, Alex, Lintott, Chris, Fender, Rob, et al.: "Bursts from Space: MeerKAT - the first citizen science project dedicated to commensal radio transients", 2023, MNRAS, 523, 2219-2235 [VIEW]
  • Pinjarkar, Siddhant, Hardcastle, Martin J., Harwood, Jeremy J., et al.: "Spectral age distribution for radio-loud active galaxies in the XMM-LSS field", 2023, MNRAS, 523, 620-639 [VIEW]
  • Kramer, D., Gowanlock, M., Trilling, D., et al.: "Removing aliases in time-series photometry", 2023, ASTRONOMY AND COMPUTING, 44 [VIEW]
  • Peterson, Merrin S., Benneke, Bjorn, Collins, Karen, et al.: "A temperate Earth-sized planet with tidal heating transiting an M6 star", 2023, NATURE, 617, 701-+ [VIEW]
  • Rodriguez, Joseph E., Quinn, Samuel N., Vanderburg, Andrew, et al.: "Another shipment of six short-period giant planets from TESS", 2023, MNRAS, 521, 2765-2785 [VIEW]
  • Kumari, Kavita, Dewangan, G. C., Papadakis, I. E., et al.: "Contrasting X-ray/UV time-lags in Seyfert 1 galaxies NGC 4593 and NGC 7469 using AstroSat observations", 2023, MNRAS, 521, 4109-4121 [VIEW]
  • Kniazev, Alexey, Malkov, Oleg: "Searching For Wide Binary Stars with Non-coeval Components in the Southern Sky", 2023, RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 23 [VIEW]
  • Simons, Raymond C., Papovich, Casey, Momcheva, Ivelina G., et al.: "CLEAR: Survey Overview, Data Analysis, and Products", 2023, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 266 [VIEW]
  • Gasealahwe, K. V. S., Monageng, I. M., Fender, R. P., et al.: "The 2019 outburst of AMXP SAX J1808.4-3658 and radio follow up of MAXI J0911-655 and XTE J1701-462", 2023, MNRAS, 521, 2806-2813 [VIEW]
  • Rawat, Nikita, Pandey, J. C., Joshi, Arti, et al.: "Confirmation of two magnetic cataclysmic variables as polars: 1RXS J174320.1-042953 and YY Sex", 2023, MNRAS, 521, 2729-2744 [VIEW]
  • Hatamkhani, N., Kraan-Korteweg, R. C., Blyth, S. L., et al.: "Galaxy clusters in the Vela Supercluster - I. Deep NIR catalogues", 2023, MNRAS, 522, 2223-2240 [VIEW]
  • Chrimes, A. A., Levan, A. J., Eldridge, J. J., et al.: "Searching for ejected supernova companions in the era of precise proper motion and radial velocity measurements", 2023, MNRAS, 522, 2029-2046 [VIEW]
  • Ok, Samet, Lamer, Georg, Schwope, Axel, et al.: "Serendipitous discovery of the magnetic cataclysmic variable SRGE J075818-612027", 2023, A&A, 672 [VIEW]
  • Homan, D., Krumpe, M., Markowitz, A., et al.: "Discovery of the luminous X-ray ignition eRASSt J234402.9-352640", 2023, A&A, 672 [VIEW]
  • Chen, Ping, Dong, Subo, Ashall, Chris, et al.: "A Linear Relation between the Color Stretch s BV and the Rising Color Slope s0*(B-V) of Type Ia Supernovae", 2023, ApJ, 946 [VIEW]
  • Villaescusa-Navarro, Francisco, Genel, Shy, Angles-Alcazar, Daniel, et al.: "The CAMELS Project: Public Data Release", 2023, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 265 [VIEW]
  • Koen, C., Schaffenroth, V., Kniazev, A.: "Multifilter Time-series Observations of Eleven Blue Short-period ATLAS Variable Stars", 2023, AJ, 165 [VIEW]
  • Namumba, B., Roman, J., Falcon-Barroso, J., et al.: "MIGHTEE-H i: possible interactions with the galaxy NGC 895", 2023, MNRAS, 521, 5177-5190 [VIEW]
  • Ranaivomanana, P., Johnston, C., Groot, P. J., et al.: "Identifying and characterising the population of hot sub-luminous stars with multi-colour MeerLICHT data", 2023, A&A, 672 [VIEW]
  • Greiner, J., Maitra, C., Haberl, F., et al.: "A helium-burning white dwarf binary as a supersoft X-ray source", 2023, NATURE, 615, 605-+ [VIEW]
  • Amaro-Seoane, Pau, Andrews, Jeff, Sedda, Manuel Arca, et al.: "Astrophysics with the Laser Interferometer Space Antenna", 2023, LIVING REVIEWS IN RELATIVITY, 26 [VIEW]
  • de Wet, S., Laskar, T., Groot, P. J., et al.: "The triple-peaked afterglow of GRB210731A from X-ray to radio frequencies", 2023, A&A, 671 [VIEW]
  • Haberl, F., Maitra, C., Kaltenbrunner, D., et al.: "SRG/eROSITA-triggered XMM-Newton observations of three Be/X-ray binaries in the LMC: Discovery of X-ray pulsations", 2023, A&A, 671 [VIEW]
  • Tey, Evan, Huang, Chelsea X., Kunimoto, Michelle, et al.: "TESS Discovery of Twin Planets near 2:1 Resonance around Early M Dwarf TOI 4342", 2023, AJ, 165 [VIEW]
  • French, Richard G., McGhee-French, Colleen A., Gordon, Mitchell, et al.: "Uranus ring occultation observations: 1977-2006", 2023, ICARUS, 395 [VIEW]
  • Pelgrims, V., Panopoulou, G. V., Tassis, K., et al.: "Starlight-polarization-based tomography of the magnetized ISM: PASIPHAE's line-of-sight inversion method", 2023, A&A, 670 [VIEW]
  • Sherif, Abbas M., Dunsby, Peter K. S.: "Horizon area bound and MOTS stability in locally rotationally symmetric solutions", 2023, CLASSICAL AND QUANTUM GRAVITY, 40 [VIEW]