117 citations · 819 across the 29 of their papers we have counts for
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Three Ultraluminous X-ray Sources Hosted by Globular Clusters in NGC 1316
Kristen C. Dage, Arunav Kundu, Erica Thygesen +8
We have identified three ultraluminous X-ray sources (ULXs) hosted by globular clusters (GCs) within NGC 1316's stellar system. These discoveries bring the total number of known UL…
X-Ray Spectroscopy of Newly Identified ULXs Associated With M87's Globular Cluster Population
Kristen C. Dage, Stephen E. Zepf, Erica Thygesen +5
We have identified seven ultraluminous X-ray sources (ULXs) which are coincident with globular cluster candidates (GCs) associated with M87. ULXs in the old GC environment represen…
Slow Decline and Rise of the Broad [OIII] Emission Line in Globular Cluster Black Hole Candidate RZ2109
Kristen C. Dage, Stephen E. Zepf, Arash Bahramian +6
RZ2109 is the first of several extragalactic globular clusters shown to host an ultraluminous X-ray source. RZ2109 is particularly notable because optical spectroscopy shows it has…
X-Ray Spectral Variability of Ultraluminous X-Ray Sources in Extragalactic Globular Clusters
Kristen C. Dage, Stephen E. Zepf, Mark B. Peacock +4
A number of ultraluminous X-ray sources (ULXs) are physically associated with extragalactic globular clusters (GCs). We undertake a systematic X-ray analysis of eight of the bright…
Optical spectroscopy and demographics of redback millisecond pulsar binaries
Jay Strader, Samuel J. Swihart, Laura Chomiuk +12
We present the first optical spectroscopy of five confirmed (or strong candidate) redback millisecond pulsar binaries, obtaining complete radial velocity curves for each companion…
X-ray Variability from the Ultraluminous Black Hole Candidate X-ray Binary in the Globular Cluster RZ 2109
Kristen C. Dage, Stephen E. Zepf, Arash Bahramian +3
We present the results of long-term monitoring of the X-ray emission from the ultraluminous X-ray source XMMUJ122939.9+075333 in the extragalactic globular cluster RZ2109. The comb…