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South African Astronomical Observatory: Observatory, ZA

2012-05 to present | Head of Astronomy
Employment
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Stephen Potter

Works (27)

Optical spectroscopic and photometric classification of the X-ray transient EP240309a (EP J115415.8−501810) as an intermediate polar

Monthly Notices of the Royal Astronomical Society: Letters
2024-05-20 | Journal article
Contributors: Stephen B Potter; David A H Buckley; S Scaringi; I M Monageng; Okwudili D Egbo; Philip A Charles; N Erasmus; Carel van Gend; Egan Loubser; Keegan Titus et al.
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Crossref

Zero-polarization candidate regions for the calibration of wide-field optical polarimeters

Astronomy & Astrophysics
2024-04 | Journal article
Contributors: N. Mandarakas; G. V. Panopoulou; V. Pelgrims; S. B. Potter; V. Pavlidou; A. Ramaprakash; K. Tassis; D. Blinov; S. Kiehlmann; E. Koutsiona et al.
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Crossref

Erratum: “Observational Constraints on Interstellar Grain Alignment” (2007, ApJ, 665, 369)

The Astrophysical Journal
2024-02-01 | Journal article
Contributors: B-G Andersson; Stephen B. Potter
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Crossref

Rapid Evolution of the White Dwarf Pulsar AR Scorpii

The Astrophysical Journal Letters
2023-12-01 | Journal article
Contributors: Peter Garnavich; Stephen B. Potter; David A. H. Buckley; Anke van Dyk; Daniel Egbo; Colin Littlefield; Anousha Greiveldinger
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Crossref

Unveiling the white dwarf in J191213.72 − 441045.1 through ultraviolet observations

Monthly Notices of the Royal Astronomical Society
2023-11-09 | Journal article
Contributors: Ingrid Pelisoli; Snehalata Sahu; Maxim Lyutikov; Maxim Barkov; Boris T Gänsicke; Jaco Brink; David A H Buckley; Stephen B Potter; Axel Schwope; S H Ramírez
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Crossref

Identification of 1RXS J165424.6-433758 as a Polar Cataclysmic Variable

The Astrophysical Journal
2023-11-01 | Journal article
Contributors: B. O’Connor; J. Brink; D. A. H. Buckley; K. Mukai; C. Kouveliotou; E. Göğüş; S. B. Potter; P. Woudt; A. Lien; A. Levan et al.
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Crossref

A multiwavelength study of Swift J0503.7-2819: a chimeric magnetic CV

Monthly Notices of the Royal Astronomical Society
2023-10-28 | Journal article
Contributors: Kala G Pradeep; Kulinder Pal Singh; G C Dewangan; Elias Aydi; P E Barrett; D A H Buckley; V Girish; K L Page; S B Potter; E M Schlegel
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Crossref

X-ray properties of the white dwarf pulsar eRASSU J191213.9−441044

Astronomy & Astrophysics
2023-06 | Journal article
Contributors: A. Schwope; T. R. Marsh; A. Standke; I. Pelisoli; S. Potter; D. Buckley; J. Munday; V. Dhillon
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Confirmation of two magnetic cataclysmic variables as polars: 1RXS J174320.1−042953 and YY Sex

Monthly Notices of the Royal Astronomical Society
2023-03-14 | Journal article
Contributors: Nikita Rawat; J C Pandey; Arti Joshi; Stephen B Potter; Alisher S Hojaev; Michaël De Becker; Srinivas M Rao; Umesh Yadava
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Crossref

The analysis of the iron-rich spectra of a sample of narrow-line Seyfert 1 galaxies

Monthly Notices of the Royal Astronomical Society
2022-09-10 | Journal article
Contributors: Bynish Paul; Hartmut Winkler; Stephen Potter
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Crossref

Discovery of eRASSt J192932.9–560346: A bright, two-pole accreting, eclipsing polar

Astronomy & Astrophysics
2022-05 | Journal article
Contributors: Axel Schwope; David A. H. Buckley; Adam Malyali; Stephen Potter; Ole König; Riccardo Arcodia; Mariusz Gromadzki; Arne Rau
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Synchronous X-ray/optical quasi-periodic oscillations from the black hole LMXB MAXI J1820+070

Monthly Notices of the Royal Astronomical Society: Letters
2022-04-07 | Journal article
Contributors: Jessymol K Thomas; David A H Buckley; Philip A Charles; John A Paice; Stephen B Potter; James F Steiner; Jean-Pierre Lasota; P Gandhi; Lian Tao; Xiang Ma et al.
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Probing the non-thermal emission geometry of AR Sco via optical phase-resolved polarimetry

Monthly Notices of the Royal Astronomical Society
2022-01-07 | Journal article
Contributors: Louis du Plessis; Christo Venter; Zorawar Wadiasingh; Alice K Harding; David A H Buckley; Stephen B Potter; P J Meintjes
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Crossref

Towards an Intelligent Observatory

Anais da Academia Brasileira de Ciências
2021 | Journal article
Contributors: STEPHEN B. POTTER
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Large optical modulations during 2018 outburst of MAXI J1820 + 070 reveal evolution of warped accretion disc through X-ray state change

Monthly Notices of the Royal Astronomical Society
2021-11-16 | Journal article
Contributors: Jessymol K Thomas; Philip A Charles; David A H Buckley; Marissa M Kotze; Jean-Pierre Lasota; Stephen B Potter; James F Steiner; John A Paice
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Constraints on magnetic field and particle content in blazar jets through optical circular polarization

Monthly Notices of the Royal Astronomical Society: Letters
2021-11-13 | Journal article
Contributors: I Liodakis; D Blinov; S B Potter; F M Rieger
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Radio and optical observations of the possible AE Aqr twin, LAMOST J024048.51+195226.9

Monthly Notices of the Royal Astronomical Society
2021-04-01 | Journal article
Contributors: M L Pretorius; D M Hewitt; P A Woudt; R P Fender; I Heywood; C Knigge; J C A Miller-Jones; D A H Buckley; H L Worters; S B Potter et al.
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An improved spin-down rate for the proposed white dwarf pulsar AR scorpii

Monthly Notices of the Royal Astronomical Society
2020-08-21 | Journal article
Contributors: Y Gaibor; P M Garnavich; C Littlefield; S B Potter; D A H Buckley
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A spectroscopic analysis of the eclipsing nova-like EC 21178−5417 – discovery of spiral density structures

Monthly Notices of the Royal Astronomical Society
2020-06-11 | Journal article
Contributors: Z N Khangale; P A Woudt; S B Potter; B Warner; D Kilkenny; K van der Heyden
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Optical, X-ray, and γ-ray observations of the candidate transitional millisecond pulsar 4FGL J0427.8-6704

Monthly Notices of the Royal Astronomical Society
2020-05-21 | Journal article
Contributors: M R Kennedy; R P Breton; C J Clark; V S Dhillon; M Kerr; D A H Buckley; S B Potter; D Mata Sánchez; J G Stringer; T R Marsh
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A spectroscopic, photometric, polarimetric, and radio study of the eclipsing polar UZ Fornacis: the first simultaneous SALT and MeerKAT observations

Monthly Notices of the Royal Astronomical Society
2020-03-01 | Journal article
Contributors: Z N Khangale; S B Potter; P A Woudt; D A H Buckley; A N Semena; E J Kotze; D N Groenewald; D M Hewitt; M L Pretorius; R P Fender et al.
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MKT J170456.2–482100: the first transient discovered by MeerKAT

Monthly Notices of the Royal Astronomical Society
2020-01-01 | Journal article
Contributors: L N Driessen; I McDonald; D A H Buckley; M Caleb; E J Kotze; S B Potter; K M Rajwade; A Rowlinson; B W Stappers; E Tremou et al.
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TESS observations of the asynchronous polar CD Ind: mapping the changing accretion geometry

Monthly Notices of the Royal Astronomical Society
2019-06-21 | Journal article
Contributors: Pasi Hakala; Gavin Ramsay; Stephen B Potter; Andrew Beardmore; David A H Buckley; Graham Wynn
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Discovery, observations, and modelling of a new eclipsing polar: MASTER OT J061451.70–272535.5

Monthly Notices of the Royal Astronomical Society
2019-04-11 | Journal article
Contributors: H Breytenbach; D A H Buckley; P Hakala; J R Thorstensen; A Y Kniazev; M Motsoaledi; P A Woudt; S B Potter; V Lipunov; E Gorbovskoy et al.
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High-speed photometry of the eclipsing polar UZ Fornacis

Astronomy & Astrophysics
2019-01 | Journal article
Contributors: Z. N. Khangale; S. B. Potter; E. J. Kotze; P. A. Woudt; H. Breytenbach
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Time series photopolarimetry and modelling of the white dwarf pulsar in AR Scorpii

Monthly Notices of the Royal Astronomical Society
2018-12-01 | Journal article
Contributors: Stephen B Potter; David A H Buckley
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A reevaluation of the proposed spin-down of the white dwarf pulsar in AR Scorpii

Monthly Notices of the Royal Astronomical Society: Letters
2018-07-21 | Journal article
Contributors: Stephen B Potter; David A H Buckley
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