Zobrazeno 1 - 10
of 1 352
pro vyhledávání: '"Craig, O."'
Autor:
Kremer, Kyle, Ye, Claire S., Heinke, Craig O., Piro, Anthony L., Ransom, Scott M., Rasio, Frederic A.
Alongside the population of several hundred radio millisecond pulsars currently known in Milky Way globular clusters, a subset of six slowly spinning pulsars (spin periods $0.3-4$\,s) are also observed. With inferred magnetic fields $\gtrsim 10^{11}\
Externí odkaz:
http://arxiv.org/abs/2409.07527
Autor:
Heinke, Craig O., Zheng, Junwen, Maccarone, Thomas J., Degenaar, Nathalie, Bahramian, Arash, Sivakoff, Gregory R.
Many X-ray binaries are transiently accreting. Having statistics on their recurrence times is helpful to address questions related to binary evolution and populations, as well as the physics of binary systems. We compile a catalog of known outbursts
Externí odkaz:
http://arxiv.org/abs/2407.18867
Autor:
Berg, Maureen van den, Sandoval, Liliana Rivera, Heinke, Craig O., Cohn, Haldan N., Lugger, Phyllis M., Grindlay, Jonathan E., Edmonds, Peter D., Anderson, Jay, Catuneanu, Andrei
We present simultaneous Chandra X-ray Observatory and Hubble Space Telescope observations of three certain (X5, X7, W37) and two likely (X4, W17) quiescent neutron-star low-mass X-ray binaries (qLMXBs) in the globular cluster 47 Tuc. We study these s
Externí odkaz:
http://arxiv.org/abs/2404.15504
We analyse a Chandra observation of the rich globular cluster NGC 362, finding 33 X-ray sources within 1' (1.2 half-mass radii) of the cluster center. Spectral analysis of the brightest source (X1) shows blackbody-like emission, indicating it is like
Externí odkaz:
http://arxiv.org/abs/2403.16211
Autor:
Paduano, Alessandro, Bahramian, Arash, Miller-Jones, James C. A., Kawka, Adela, Galvin, Tim J., Sandoval, Liliana Rivera, Kamann, Sebastian, Strader, Jay, Chomiuk, Laura, Heinke, Craig O., Maccarone, Thomas J., Dreizler, Stefan
We present the results of an ultra-deep radio continuum survey, containing $\sim480$ hours of observations, of the Galactic globular cluster 47 Tucanae with the Australia Telescope Compact Array. This comprehensive coverage of the cluster allows us t
Externí odkaz:
http://arxiv.org/abs/2401.09692
Autor:
Berg, Maureen van den, Homan, Jeroen, Heinke, Craig O., Pooley, David A., Wijnands, Rudy, Bahramian, Arash, Miller-Jones, James C. A.
We have analyzed Chandra and Suzaku observations of the globular cluster Terzan 6, made when the recurrent transient GRS 1747-312 was in quiescence. Our analysis reveals the presence of a second eclipsing, bursting neutron-star low-mass X-ray binary
Externí odkaz:
http://arxiv.org/abs/2401.00727
Autor:
Zhang, Lei, Freire, Paulo C. C., Ridolfi, Alessandro, Pan, Zhichen, Zhao, Jiaqi, Heinke, Craig O., Chen, Jianxing, Cadelano, Mario, Pallanca, Cristina, Hou, Xian, Fu, Xiaoting, Dai, Shi, Gugercinoglu, Erbil, Guo, Meng, Hessels, Jason, Hu, Jiale, Li, Guodong, Ni, Mengmeng, Pan, Jingshan, Ransom, Scott M., Ruan, Qitong, Stairs, Ingrid, Tsai, Chao-Wei, Wang, Pei, Wang, Long, Wang, Na, Wu, Qingdong, Yuan, Jianping, Zhang, Jie, Zhu, Weiwei, Zhang, Yongkun, Li, Di
Publikováno v:
ApJS, 2013, 269:56
We report on a comprehensive multi-wavelength study of the pulsars in the globular cluster (GC) M5, including the discovery of M5G, a new compact non-eclipsing "black widow" pulsar. Thanks to the analysis of 34 years of radio data taken with the FAST
Externí odkaz:
http://arxiv.org/abs/2312.05835
Autor:
Zhao, Jiaqi, Heinke, Craig O.
Millisecond pulsars (MSPs) are faint X-ray sources commonly observed in Galactic globular clusters (GCs). In this work, we investigate 18 MSPs newly found in the GC Omega Centauri ($\omega$ Cen) and search for their X-ray counterparts using Chandra o
Externí odkaz:
http://arxiv.org/abs/2309.13189
Autor:
Leigh, Nathan W. C., Ye, Claire S., Grondin, Steffani M., Fragione, Giacomo, Webb, Jeremy J., Heinke, Craig O.
It has been argued that heavy binaries composed of neutron stars (NSs) and millisecond pulsars (MSPs) can end up in the outskirts of star clusters via an interaction with a massive black hole (BH) binary expelling them from the core. We argue here, h
Externí odkaz:
http://arxiv.org/abs/2309.13122
Autor:
Heinke, Craig O.
I argue that black hole low-mass X-ray binaries (BH LMXBs) are very unlikely to be physically associated with supernova remnants (SNRs). The timescales of BH LMXBs are so much longer than those of SNRs, that there is only a 0.2% chance of any BH LMXB
Externí odkaz:
http://arxiv.org/abs/2308.06678