A Search for the Near-Infrared Counterpart to GCRT J1745-3009 (2008)
Kaplan, D. L., Hyman, S. D., Roy, S., Bandyopadhyay, R. M., Chakrabarty, D., Kassim, N. E., ...
We present an optical/near-infrared search for a counterpart to the perplexing radio transient GCRT J1745-3009, a source located ~1 degree from the Galactic Center. Motivated by some similarities to...
Krimm, H. A., Markwardt, C. B., Deloye, C. J., Romano, P., Chakrabarty, D., Campana, S., ...
We report on the discovery by the Swift Gamma-Ray Burst Explorer of the eighth known transient accretion-powered millisecond pulsar, SWIFT J1756.9-2508, as part of routine observations with the Swift...
Fish community structure and water chemistry of two tropical rivers of West Bengal, an eastern province of India, were studied for 2 annual cycles (January 2003-December2004) and a higher degree of...
Two laboratory experiments were conducted to evaluate the amount of P utilization from two different types of sparingly soluble phosphate rock by aquatic biotic communities. The first type was...
Two laboratory experiments were conducted to evaluate the amount of P utilization from two different types of sparingly soluble phosphate rock by aquatic biotic communities. The first type was...
Limnological studies in two tropical Indian aquatic habitats showed that macroinvertebrate communities have greater diversity than other biotic communities present there. Sediment redox potential is...
Utilization and flow of energy in tropical ecosystem: A test case for two Ox-bow lakes (2006)
To estimate the rate of organic production, two solar powered tropical natural aquatic systems (Ox-bow lakes) have been studied for 24 months. The study of utilization of energy in those two tropical...
Precision Timing of an Accreting Millisecond Pulsar Over Seven Years (2006)
Hartman, J.M., Chakrabarty, D., Morgan, E.H., Watts, A.L., Klis, M. Van Der, Wijnands, R.A.D., ...
We present a comprehensive timing study of the 2.5 millisecond X-ray pulsar SAX 1808.4-3658. Using data from the Rossi X-ray Timing Explorer, we construct a phase-connected pulse timing solution for...
Pointed RXTE observations of SAX J1808.4-3658 (2005)
Wijnands, R.A.D., Klein Wolt, M., Linares Alegret, M., Klis, M. Van Der, Chakrabarty, D., Morgan, E.H., ...
Follow-up RXTE PCA observations of the transient source consistent with the position of SAX J1808.4-3658 (ATEL#505) showed clear coherent pulsations at approximately 401 Hz. This frequency is...
An Inverse-Problem Approach to Cluster Dynamics (2004)
Chakrabarty, D., Portegies Zwart, S.F.
We propose a new nonparametric algorithm that can be implemented to study and characterize stellar clusters. The scheme attempts to simultaneously recover the stellar distribution function and the...
Nuclear-powered millisecond pulsars and the maximum spin frequency of neutron stars (2003)
Chakrabarty, D., Morgan, E.H., Muno, M.P., Galloway, D.K., Wijnands, R., Klis, M. Van Der, ...
Discovery of 619 Hz Thermonuclear Burst Oscillations in the Low-Mass X-Ray Binary 4U 1608-52 (2003)
Hartman, J.M., Chakrabarty, D., Galloway, D.K., Muno, M.P., Savov, P., Mendez, R.M., ...
Millisecond X-Ray Pulsar Spins, Gravity Waves, and Glitches (2003)
Chakrabarty, D., Morgan, E.H., Wijnands, R.A.D., Klis, M. Van Der, Markwardt, C.B.
Spin frequency evolution of the accreting mllisecond pulsar SAX J1808.4-3658 (2003)
Morgan, E.H., Chakrabarty, D., Wijnands, R.A.D., Klis, M. Van Der, Markwardt, C.B.
Quasi-periodic X-ray brightness fluctuations in an accreting millisecond pulsar (2003)
Wijnands, R.A.D., Klis, M. Van Der, Homan, J., Chakrabarty, D., Markwardt, C.B., Morgan, E.H.
The XMM-Newton/RGS Spectra of the Millisecond X-ray Pulsar XTE J1751-305 in Outburst (2002)
Miller, J.M., Mendez, R.M., Klis, M. Van Der, Wijnands, R.A.D., Riestra, R.G., Nowak, M., ...
Wang, Z., Chakrabarty, D., Roche, P., Charles, P. A., Kuulkers, E., Shahbaz, T., ...
We present multiband optical/IR photometry of V4580 Sgr, the optical counterpart of the accretion-powered millisecond pulsar SAX J1808.4-3658, taken during the 1998 X-ray outburst of the system. The...
The Erratic Luminosity Behavior of SAX J1808.4-3658 during Its 2000 Outburst (2001)
Wijnands, R.A.D., Mendez, R.M., Markwardt, C.B., Klis, M. Van Der, Chakrabarty, D., Morgan, E.
Pulse timing analysis of the recent outburst of SAX J1808.4-3658 (2000)
Morgan, E.H., Chakrabarty, D., Wijnands, R., Klis, M. Van Der
The 2000 outburst of the millisecond X-ray pulsar SAX J1808.4-3658 (2000)
Wijnands, R.A.D., Klis, M. Van Der, Chakrabarty, D., Morgan, E.H.
Pulse Timing analysis of the recent outburst of SAX J1808.4-3658 (2000)
Morgan, E.H., Chakrabarty, D., Wijnands, R.A.D., Klis, M. Van Der
Warped disks as a possible origin of Torque reversals in accretion-powered pulsars (1998)
Kerkwijk, M.H. Van, Chakrabarty, D., Pringle, J.E.
Enigmatic transitions between spin-up and spin-down have been observed in several X-ray pulsars accreting matter via an accretion disk. In these transitions, the torque changes sign but remains at...