68 citations · 613 across the 33 of their papers we have counts for
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Gamma-ray Eclipses and Orbital Modulation Transitions in the Candidate Redback 4FGL J1702.7-5655
R. H. D. Corbet, L. Chomiuk, J. B. Coley +8
Observations with the Fermi Large Area Telescope (LAT) of the gamma-ray source 4FGL J1702.7-5655, previously classified as a candidate millisecond pulsar, show highly-significant m…
Disentangling the neighbouring pulsars SXP 15.3 and SXP 305
Itumeleng M. Monageng, Malcolm J. Coe, Lee J. Townsend +8
SXP 15.3 and SXP 305 are two Be X-ray binaries in the Small Magellanic Cloud that are spatially separated by ~7 arcsec. The small separation between these sources has, in the past,…
Identification of an X-ray Pulsar in the BeXRB system IGR J182191347
B. O'Connor, E. Gogus, D. Huppenkothen +25
We report on observations of the candidate Be/X-ray binary IGR J182191347 with \textit{Swift}/XRT, \textit{NuSTAR}, and \textit{NICER} during Type-I outbursts in March and June…
Swift J011511.0-725611: Discovery of a rare Be Star / White Dwarf binary system in the SMC
J. A. Kennea, M. J. Coe, P. A. Evans +3
We report on the discovery of Swift J011511.0-725611, a rare Be X-ray binary system (BeXRB) with a White Dwarf (WD) compact object, in the Small Magellanic Cloud (SMC) by S-CUBED,…
SRGA J124404.1-632232/SRGU J124403.8-632231: a new X-ray pulsar discovered in the all-sky survey by SRG
V. Doroshenko, R. Staubert, C. Maitra +12
Ongoing all-sky surveys by the the eROSITA and the Mikhail Pavlinsky ART-XC telescopes on-board the Spectrum Roentgen Gamma (SRG) mission have already revealed over a million of X-…
The Be/neutron star system Swift J004929.5-733107 in the Small Magellanic Cloud -- X-ray characteristics and optical counterpart candidates
M. J. Coe, J. A. Kennea, P. A. Evans +4
Swift J004929.5-733107 is an X-ray source in the Small Magellanic Cloud (SMC) that has been reported several times, but the optical counterpart has been unclear due to source confu…
Simultaneous multi-telescope observations of FRB 121102
M. Caleb, B. W. Stappers, T. D. Abbott +29
We present 11 detections of FRB 121102 in ~3 hours of observations during its 'active' period on the 10th of September 2019. The detections were made using the newly deployed MeerT…
The newly discovered Be/X-ray binary Swift J004516.6-734703 in the SMC: witnessing the emergence of a circumstellar disc
J. A. Kennea, M. J. Coe, P. A. Evans +5
We report on the discovery of Swift J004516.6-734703, a Be/X-ray binary system by the Swift SMC Survey, S-CUBED. Swift J004516.6-734703, or SXP 146.6, was found to be exhibiting a…
Orbital and super-orbital periods in ULX pulsars, disc-fed HMXBs, Be/X-ray binaries and double-periodic variables
L. J. Townsend, P. A. Charles
We present evidence for a simple linear relationship between the orbital period and super-orbital period in ultra-luminous X-ray (ULX) pulsars, akin to what is seen in the populati…
Discovery of the Galactic High-Mass Gamma-ray Binary 4FGL J1405.1-6119
R. H. D. Corbet, L. Chomiuk, M. J. Coe +8
We report the identification from multi-wavelength observations of the Fermi Large Area Telescope (LAT) source 4FGL J1405.1-6119 (= 3FGL J1405.4-6119) as a high-mass gamma-ray bina…
An X-ray and optical study of the outbursting behaviour of the SMC Be X-ray binary SXP 91.1
Itumeleng Monageng, Malcolm Coe, Jamie Kennea +6
In this paper we report on the optical and X-ray behaviour of the Be X-ray binary, SXP 91.1, during a recent type I outburst. We monitored the outburst using the Neil Gehrels Swift…
The orbit of the gamma-ray binary 1FGL J1018.6-5856
Itumeleng Monageng, Vanessa McBride, Lee Townsend +3
Gamma-ray binaries are a small subclass of the high mass X-ray binary population which exhibit emission across the whole electromagnetic spectrum. We present radial velocities of 1…
The 2016 super-Eddington outburst of SMC X-3: X-ray and optical properties and system parameters
L. J. Townsend, J. A. Kennea, M. J. Coe +4
On 2016 July 30 (MJD 57599), observations of the Small Magellanic Cloud by Swift/XRT found an increase in X-ray counts coming from a position consistent with the Be/X-ray binary pu…
First multicolour polarimetry of TeV gamma-ray binary HESS J0632+057 close to periastron passage
R. V. Yudin, S. B. Potter, L. J. Townsend
We present the results of UBVRI polarimetry of the TeV gamma-ray binary HESS J0632+057 obtained on 2015 March 24 (JD 2457106) and 2015 December 12 (JD 2457369). The detected polari…
A Luminous Gamma-ray Binary in the Large Magellanic Cloud
R. H. D. Corbet, L. Chomiuk, M. J. Coe +9
Gamma-ray binaries consist of a neutron star or a black hole interacting with a normal star to produce gamma-ray emission that dominates the radiative output of the system. Only a…
2S1553-542: a Be/X-ray binary pulsar on the far side of the Galaxy
Alexander A. Lutovinov, David A. H. Buckley, Lee J. Townsend +2
We report the results of a comprehensive analysis of X-ray (Chandra and Swift observatories), optical (Southern African Large Telescope, SALT) and near-infrared (the VVV survey) ob…
SXP 5.05 = IGR J00569-7226 : using X-rays to explore the structure of a Be stars circumstellar disk
M. J. Coe, E. S. Bartlett, A. J. Bird +5
On MJD 56590-1 (2013 Oct 25-26) observations of the Magellanic Clouds by the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) observatory discovered a previously-unreport…
Contrasting behaviour from two Be/X-ray binary pulsars: insights into differing neutron star accretion modes
L. J. Townsend, S. P. Drave, A. B. Hill +3
In this paper we present the identification of two periodic X-ray signals coming from the direction of the Small Magellanic Cloud (SMC). On detection with the Rossi X-ray Timing Ex…
Temporal Studies of Supergiant Fast X-ray Transients
S. P. Drave, A. J. Bird, D. J. Clark +6
SFXTs are a new class of HMXB unveiled by INTEGRAL. They are extreme systems characterised by very short outbursts (a few hours) and extreme X-ray luminosity dynamic ranges (~10^{4…
The XMM-Newton survey of the Small Magellanic Cloud: XMMUJ005011.2-730026 = SXP214, a Be/X-ray binary pulsar
M. J. Coe, F. Haberl, R. Sturm +10
In the course of the XMM-Newton survey of the Small Magellanic Cloud (SMC), a region to the east of the emission nebula N19 was observed in November 2009. To search for new candida…
The XMM-Newton survey of the Small Magellanic Cloud: Discovery of the 11.866 s Be/X-ray binary pulsar XMMUJ004814.0-732204 (SXP11.87)
R. Sturm, F. Haberl, M. J. Coe +12
One of the goals of the XMM-Newton survey of the Small Magellanic Cloud is the study of the Be/X-ray binary population. During one of our first survey observations a bright new tra…
INTEGRAL deep observations of the Small Magellanic Cloud
M. J. Coe, A. J. Bird, D. A. H. Buckley +12
Deep observations of the Small Magellanic Cloud (SMC) and region were carried out in the hard X-ray band by the INTEGRAL observatory in 2008-2009. The field of view of the instrume…
Be/X-ray binary SXP6.85 undergoes large Type II outburst in the Small Magellanic Cloud
L. J. Townsend, M. J. Coe, V. A. McBride +6
The Small Magellanic Cloud (SMC) Be/X-ray binary pulsar SXP6.85 = XTE J0103-728 underwent a large Type II outburst beginning on 2008 August 10. The source was consistently seen for…
X-ray and optical study of the new SMC X-ray binary pulsar system SXP7.92 and its probable optical counterpart, AzV285
M. J. Coe, M. Schurch, V. A. McBride +4
Optical and X-ray observations are presented here of a newly reported X-ray transient system in the Small Magellanic Cloud - SXP7.92. A detailed analysis of the X-ray data reveal a…