Search Results - "Bahramian, A."

Constraining the mass and radius of neutron stars in globular clusters by Steiner, A W, Heinke, C O, Bogdanov, S, Li, C K, Ho, W C G, Bahramian, A, Han, S

“…Abstract We analyse observations of eight quiescent low-mass X-ray binaries in globular clusters and combine them to determine the neutron star mass–radius…”
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A radio parallax to the black hole X-ray binary MAXI J1820+070 by Atri, P, Miller-Jones, J C A, Bahramian, A, Plotkin, R M, Deller, A T, Jonker, P G, Maccarone, T J, Sivakoff, G R, Soria, R, Altamirano, D, Belloni, T, Fender, R, Koerding, E, Maitra, D, Markoff, S, Migliari, S, Russell, D, Russell, T, Sarazin, C L, Tetarenko, A J, Tudose, V

“…ABSTRACT Using the Very Long Baseline Array and the European Very Long Baseline Interferometry Network, we have made a precise measurement of the radio…”
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Potential kick velocity distribution of black hole X-ray binaries and implications for natal kicks by Atri, P, Miller-Jones, J C A, Bahramian, A, Plotkin, R M, Jonker, P G, Nelemans, G, Maccarone, T J, Sivakoff, G R, Deller, A T, Chaty, S, Torres, M A P, Horiuchi, S, McCallum, J, Natusch, T, Phillips, C J, Stevens, J, Weston, S

“…Abstract We use very long baseline interferometry to measure the proper motions of three black hole X-ray binaries (BHXBs). Using these results together with…”
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An investigation of the characteristics of Al2O3/TiO2 PEO nanocomposite coating by Bahramian, A., Raeissi, K., Hakimizad, A.

“…•Characterizing PEO Al2O3/TiO2 nanocomposite coatings on 7075 Al alloy.•Evaluating and interpreting the corrosion behavior of the coatings in acidic…”
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Distances to Galactic X-ray binaries with Gaia DR2 by Arnason, R M, Papei, H, Barmby, P, Bahramian, A, D. Gorski, M

“…ABSTRACT Precise and accurate measurements of distances to Galactic X-ray binaries (XRBs) reduce uncertainties in the determination of XRB physical parameters…”
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Improving the corrosion properties of amorphous Ni-P thin films using different additives by Bahramian, A., Eyraud, M., Vacandio, F., Knauth, P.

“…Ni-P amorphous coatings are considered as important engineering alloys. In this paper, the effects of various additives on the properties of Ni-P thin films…”
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A radio transient with unusually slow periodic emission by Hurley-Walker, N., Zhang, X., Bahramian, A., McSweeney, S. J., O’Doherty, T. N., Hancock, P. J., Morgan, J. S., Anderson, G. E., Heald, G. H., Galvin, T. J.

“…The high-frequency radio sky is bursting with synchrotron transients from massive stellar explosions and accretion events, but the low-frequency radio sky has,…”
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Low-level accretion in neutron star X-ray binaries by Wijnands, R., Degenaar, N., Armas Padilla, M., Altamirano, D., Cavecchi, Y., Linares, M., Bahramian, A., Heinke, C. O.

“…We search the literature for reports on the spectral properties of neutron star low-mass X-ray binaries when they have accretion luminosities between 1034 and…”
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The nature of very faint X-ray binaries: hints from light curves by Heinke, C O, Bahramian, A, Degenaar, N, Wijnands, R

“…Very faint X-ray binaries (VFXBs), defined as having peak luminosities ... of 1034-1036 erg s..., have been uncovered in significant numbers, but remain poorly…”
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THE FIRST LOW-MASS BLACK HOLE X-RAY BINARY IDENTIFIED IN QUIESCENCE OUTSIDE OF A GLOBULAR CLUSTER by Tetarenko, B. E., Bahramian, A., Arnason, R. M., Miller-Jones, J. C. A., Repetto, S., Heinke, C. O., Maccarone, T. J., Chomiuk, L., Sivakoff, G. R., Strader, J., Kirsten, F., Vlemmings, W.

“…ABSTRACT The observed relation between the X-ray and radio properties of low-luminosity accreting black holes (BHs) has enabled the identification of multiple…”
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The Swift bulge survey: motivation, strategy, and first X-ray results by Bahramian, A, Heinke, C O, Kennea, J A, Maccarone, T J, Evans, P A, Wijnands, R, Degenaar, N, in’t Zand, J J M, Shaw, A W, Rivera Sandoval, L E, McClure, S, Tetarenko, A J, Strader, J, Kuulkers, E, Sivakoff, G R

“…ABSTRACT Very faint X-ray transients (VFXTs) are X-ray transients with peak X-ray luminosities (LX) of L$_X \lesssim 10^{36}$ erg s−1, which are not well…”
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A new radio census of neutron star X-ray binaries by van den Eijnden, J, Degenaar, N, Russell, T D, Wijnands, R, Bahramian, A, Miller-Jones, J C A, Hernández Santisteban, J V, Gallo, E, Atri, P, Plotkin, R M, Maccarone, T J, Sivakoff, G, Miller, J M, Reynolds, M, Russell, D M, Maitra, D, Heinke, C O, Armas Padilla, M, Shaw, A W

“…ABSTRACT We report new radio observations of a sample of 36 neutron star (NS) X-ray binaries, more than doubling the sample in the literature observed at…”
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Long-period Radio Pulsars: Population Study in the Neutron Star and White Dwarf Rotating Dipole Scenarios by Rea, N., Hurley-Walker, N., Pardo-Araujo, C., Ronchi, M., Graber, V., Coti Zelati, F., de Martino, D., Bahramian, A., McSweeney, S. J., Galvin, T. J., Hyman, S. D., Dall’Ora, M.

“…Abstract The nature of two recently discovered radio emitters with unusually long periods of 18 minutes (GLEAM-X J1627–52) and 21 minutes (GPM J1839–10) is…”
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Tracking the variable jets of V404 Cygni during its 2015 outburst by Tetarenko, A J, Sivakoff, G R, Miller-Jones, J C A, Bremer, M, Mooley, K P, Fender, R P, Rumsey, C, Bahramian, A, Altamirano, D, Heinz, S, Maitra, D, Markoff, S B, Migliari, S, Rupen, M P, Russell, D M, Russell, T D, Sarazin, C L

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The Early Radio Afterglow of Short GRB 230217A by Anderson, G. E., Schroeder, G., van der Horst, A. J., Rhodes, L., Rowlinson, A., Bahramian, A., Chastain, S. I., Gompertz, B. P., Hancock, P. J., Laskar, T., Leung, J. K., Wijers, R. A. M. J.

“…Abstract We present the radio afterglow of short gamma-ray burst (GRB) 230217A, which was detected less than 1 day after the gamma-ray prompt emission with the…”
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Neutron star crust cooling in the Terzan 5 X-ray transient Swift J174805.3–244637 by Degenaar, N., Wijnands, R., Bahramian, A., Sivakoff, G. R., Heinke, C. O., Brown, E. F., Fridriksson, J. K., Homan, J., Cackett, E. M., Cumming, A., Miller, J. M., Altamirano, D., Pooley, D.

“…When neutron stars reside in transient X-ray binaries, their crustal layers become heated during accretion outbursts and subsequently cool in quiescence…”
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Enhancing the corrosion resistance of Cu/Ni-P/Au electrical contacts by electropolymerized poly(methyl methacrylate) by Bahramian, A., Eyraud, M., Maria, S., Vacandio, F., Djenizian, T., Knauth, P.

“…•Modifying electrical contacts by electropolymerization of MMA is studied.•Ten times increase in the corrosion resistance of electrical contacts is…”
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A Swift study of long-term changes in the X-ray flaring properties of Sagittarius A by Andrés, A, van den Eijnden, J, Degenaar, N, Evans, P A, Chatterjee, K, Reynolds, M, Miller, J M, Kennea, J, Wijnands, R, Markoff, S, Altamirano, D, Heinke, C O, Bahramian, A, Ponti, G, Haggard, D

“…ABSTRACT The radiative counterpart of the supermassive black hole at the Galactic Centre, Sagittarius A*, displays flaring emission in the X-ray band atop a…”
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Process optimization and modeling of microencapsulated phase change material using response surface methodology by Jamekhorshid, A., Sadrameli, S.M., Bahramian, A.R.

“…Microcapsules containing paraffin wax as cores and polystyrene as shells were prepared by suspension polymerization technique. The influence of four…”
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Chandra reveals a possible ultrafast outflow in the super-Eddington Be/X-ray binary Swift J0243.6+6124 by van den Eijnden, J, Degenaar, N, Schulz, N S, Nowak, M A, Wijnands, R, Russell, T D, Hernández Santisteban, J V, Bahramian, A, Maccarone, T J, Kennea, J A, Heinke, C O

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