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Timothy Cook

Timothy Cook
Timothy CookAssistant Professor
  • CollegeCollege of Sciences
  • DepartmentPhysics
  • Phone(978) 934-4915
  • OfficeOlney Hall - 101b
  • EmailTimothy_Cook@uml.edu

Research Interests

Sounding rockets; Optical systems; coronagraphs; spectrometers; lidar; astrophysics; interstellar dust; exoplanets; debris disks.

Constructing novel instrumentation for a variety of focused investigations including: Ultraviolet investigations of astrophysical dust; LIDAR measurements of forests; Coronagraphic observations of exoplanetary systems; Ultraviolet studies of circumgalactic and intergalactic material.

Education

  • Ph D: Astrophysics, (1991), University of Colorado - Boulder, Colorado
    Dissertation/Thesis Title: Far Ultraviolet Spectrophotometry of Hot Stars and Calibration standards in the FUV
  • BA: Physics, (1985), Johns Hopkins University - Baltimore, Maryland

Publications

  • Geddes, G., Douglas, E., Finn, S.C., Cook, T., Chakrabarti, S. (2016) "Inverting OII 83.4 nm dayglow profiles using Markov chain radiative transfer," Journal of Geophysical Research: Space Physics 121:11 pp. 11,249–11,260
  • E. S. Douglas, C. B. Mendillo, ., Cook, T., S. Chakrabarti, . (2016) "Wavefront sensing in space from the PICTURE-B sounding rocket," 9904 of Proc. SPIE: pp. 99046A
  • Cook, T., Wakker, B., Finn, S., Martel, J.F., . (2016) "A suborbital experiment to study Circumgalactic Lines in Ultraviolet Emission (CLUE)," 228: pp. 216.01
  • S. Chakrabarti, C. B. Mendillo, , ., Cook, T., J. F. Martel, S. C. Finn, G. A. Howe, K. Hewawasam, and E. S. Douglas., . (2016) "Planet Imaging Coronagraphic Technology Using a Reconfigurable Experimental Base (PICTURE-B): The Second in the Series of Suborbital Exoplanet Experiments," . Journal of Astronomical Instrumentation 5: pp. 1640004–595
  • Howe, G.A., Hewawasam, K., Douglas, E.S., Martel, J., Li, Z., Strahler, A., Schaaf, C., Cook, T., Chakrabarti, S. (2015) "Capabilities and performance of dual-wavelength Echidna® lidar," Journal of Applied Remote Sensing 9:1 pp. 095979–095979
  • Douglas, E.S., Hewasawam, K., Mendillo, C.B., Cahoy, K.L., Cook, T., Finn, S.C., Howe, G.A., Kuchner, M.J., Lewis, N.K., Marinan, A.D., Chakrabarti, S. (2015) "End-to-end simulation of high-contrast imaging systems: methods and results for the PICTURE mission family," pp. 96051A–96051A
  • Douglas, E.S., Martel, J., Li, Z., Howe, G., Hewawasam, K., Marshall, R., Schaaf, C.L., Cook, T., Newnham, G.J., Strahler, A., Chakrabarti, S. (2015) "Finding leaves in the forest: The dual-wavelength echidna lidar," Geoscience and Remote Sensing Letters, IEEE 12:4 pp. 776–780
  • Hicks, B.A., Chakrabarti, S., Cook, T. (2015) "Interferometric nulling limits with tip-tilt-piston deformable mirrors and a pinhole spatial filter array," Journal of Astronomical Telescopes, Instruments, and Systems 1:1 pp. 019001–019001
  • Cook, T., Cahoy, K., Chakrabarti, S., Douglas, E., Finn, S.C., Kuchner, M., Lewis, N., Marinan, A., Martel, J., Mawet, D., others, . (2015) "Planetary Imaging Concept Testbed Using a Recoverable Experiment–Coronagraph (PICTURE C)," Journal of Astronomical Telescopes, Instruments, and Systems 1:4 pp. 044001–044001
  • Stephan, A.W., Finn, S.C., Cook, T., Chakrabarti, S., Budzien, S.A. (2015) "The Limb-Imaging Ionospheric and Thermospheric Extreme-Ultraviolet Spectrograph (LITES) on the ISS," 1: pp. 10903
  • Mendillo, C.B., Brown, J., Martel, J., Howe, G.A., Hewasawam, K., Finn, S.C., Cook, T., Chakrabarti, S., Douglas, E.S., Mawet, D., others, . (2015) "The low-order wavefront sensor for the PICTURE-C mission," pp. 960519–960519
  • Oram, K., Cook, T., Chakrabarti, S., Hicks, B. (2014) "Characterization of the Performance of MANIC, a Monolithic Achromatic Nulling Interference Coronagraph," 224:
  • Danowski, M.E., Cook, T., Gordon, K.D., Chakrabarti, S., Lawton, B.L., Misselt, K.A. (2014) "Enigmatic Extinction: An Investigation of the 2175Å Extinction Bump in M101," 224:
  • Hewawasam, K., Maguire, R., Chakrabarti, S., Cook, T., Baumgardner, J. (2014) "HiT&MIS: Instrumentation for Auroral and Ionospheric Airglow Studies," 1: pp. 4000
  • Stephan, A.W., Budzien, S.A., Finn, S.C., Cook, T., Chakrabarti, S., Powell, S.P., Psiaki, M.L. (2014) "Ionospheric imaging using merged ultraviolet airglow and radio occultation data," pp. 92220M–92220M
  • Cook, T., Cahoy, K.L., Lewis, N., Swain, M.R., Finn, S.C., Mendillo, C.B., Chakrabarti, S., Martel, J., Douglas, E.S. (2014) "Planetary Imaging Concept Testbed Using a Recoverable Experiment-Coronagraph," 224:
  • Mendillo, C.B., Douglas, E.S., Finn, S.C., Hicks, B., Martel, J., Cook, T., Chakrabarti, S. (2014) "Recent Contrast Measurements Made Using the PICTURE Visible Nulling Coronagraph," 224:
  • Douglas, E.S., Mendillo, C.B., Hicks, B., Cook, T., Martel, J., Finn, S., Polidan, R.S., Chakrabarti, S. (2014) "Status of the PICTURE Sounding Rocket to Image the Epsilon Eridani Circumstellar Environment," 224:
  • Finn, S., Stephan, A., Cook, T., Martel, J., Chakrabarti, S. (2014) "The Limb-imaging Ionospheric and Thermospheric Extreme-ultraviolet Spectrograph (LITES)," 1: pp. 4091
  • Schaaf, C., Paynter, I., Saenz, E., Li, Z., Strahler, A., Peri, F., Erb, A., Raumonen, P., Muir, J., Howe, G., Cook, T. (2014) "Using the Rapid-Scanning, Ultra-Portable, Canopy Biomass Lidar (CBL) Alone and In Tandem with the Full-Waveform Dual-Wavelength Echidna® Lidar (DWEL) to Establish Forest Structure and Biomass Estimates in a Variety of Ecosystems," 1: pp. 01
  • Pallamraju, D., Baumgardner, J., Singh, R., Laskar, F., Mendillo, C., Cook, T., Lockwood, S., Narayanan, R., Pant, T., Chakrabarti, S. (2014) "Daytime wave characteristics in the mesosphere lower thermosphere region: Results from the Balloon-borne Investigations of Regional-atmospheric Dynamics experiment," Journal of Geophysical Research: Space Physics 119:3 pp. 2229-2242
  • Hicks, B., Oram, K., Lewis, N., Mendillo, C., Bierden, P., Cook, T., Chakrabarti, S. (2013) "Direct imaging of exoplanetary systems with a monolithic multispectral camera," Proceedings of SPIE - The International Society for Optical Engineering 8864:
  • Hicks, B., Danowski, M., Martel, J., Cook, T. (2013) "High etendue UV camera for simultaneous four-color imaging on a single detector," Applied Optics 52:21 pp. 5194-5200
  • Li, Z., Douglas, E., Strahler, A., Schaaf, C., Yang, X., Wang, Z., Yao, T., Zhao, F., Saenz, E., Paynter, I., Woodcock, C., Chakrabarti, S., Cook, T., Martel, J., Howe, G., Jupp, D., Culvenor, D., Newnham, G., Lovell, J. (2013) "Separating leaves from trunks and branches with dual-wavelength terrestrial lidar scanning," International Geoscience and Remote Sensing Symposium (IGARSS) pp. 3383-3386
  • Yang, X., Schaaf, C., Strahler, A., Li, Z., Wang, Z., Yao, T., Zhao, F., Saenz, E., Paynter, I., Douglas, E., Chakrabarti, S., Cook, T., Martel, J., Howe, G., Woodcock, C., Jupp, D., Culvenor, D., Newnham, G., Lovell, J. (2013) "Studying canopy structure through 3-D reconstruction of point clouds from full-waveform terrestrial lidar," International Geoscience and Remote Sensing Symposium (IGARSS) pp. 3375-3378
  • Mendillo, C.B., Chakrabarti, S., Cook, T., Hicks, B.A., Lane, B.F. (2012) "Flight demonstration of a milliarcsecond pointing system for direct exoplanet imaging," Applied Optics 51:29 pp. 7069-7079
  • Chakrabarti, S., Jokiaho, O.P., Baumgardner, J., Cook, T., Martel, J., Galand, M. (2012) "High-throughput and multislit imaging spectrograph for extended sources," Optical Engineering 51:1
  • Hicks, B., Cook, T., Lane, B., Chakrabarti, S. (2010) "OPD measurement and dispersion reduction in a monolithic interferometer," Optics Express 18:16 pp. 17542-17547
  • Cook, T., Hicks, B.A., Jung, P.G., Chakrabarti, S. (2009) "Far-ultraviolet astronomical narrowband imaging," Applied Optics 48:10 pp. 1936-1942
  • Lewis, N.K., Cook, T., Wilton, K.P., Chakrabarti, S., France, K., Gordon, K.D. (2009) "Far-ultraviolet dust albedo measurements in the upper scorpius cloud using the spinr sounding rocket experiment," Astrophysical Journal Letters 706:1 pp. 306-318
  • Hicks, B., Cook, T., Lane, B., Chakrabarti, S. (2009) "Monolithic achromatic nulling interference coronagraph: Design and performance," Applied Optics 48:26 pp. 4963-4977
  • Stewart, J.B., Bifano, T.G., Cornelissen, S., Bierden, P., Levine, B.M., Cook, T. (2007) "Design and development of a 331-segment tip-tilt-piston mirror array for space-based adaptive optics," Sensors and Actuators, A: Physical 138:1 pp. 230-238
  • Lewis, N.K., Cook, T., Chakrabarti, S. (2005) "A study of far-ultraviolet extinction in the upper scorpius cloud using the spinr sounding rocket experiment," Astrophysical Journal Letters 619:1 I pp. 357-367
  • Lapington, J.S., Chakrabarti, S., Cook, T., Gsell, J.C., Gsell, V.T. (2003) "A position sensitive detector for SPIDR - A mission to map the cosmic web," Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 513:1-2 SPEC. ISS. pp. 159-162
  • Cook, T., Gsell, V.J., Golub, J., Chakrabarti, S. (2003) "SPINR - A wide-field ultraviolet spectral imaging system," Astrophysical Journal Letters 585:2 I pp. 1177-1190
  • Stephan, S.G., Chakrabarti, S., Vickers, J., Cook, T., Cotton, D. (2001) "Interplanetary H Ly observations from a sounding rocket," Astrophysical Journal Letters 559:1 PART 1 pp. 491-500
  • Cotton, D.M., Stephan, A., Cook, T., Vickers, J., Taylor, V., Chakrabarti, S. (2000) "Tomographic extreme-ultraviolet spectrographs: TESS," Applied Optics 39:22 pp. 3991-3999
  • Kamalabadi, F., Karl, W.C., Semeter, J.L., Cotton, D.M., Cook, T., Chakrabarti, S. (1999) "A statistical framework for space-based EUV ionospheric tomography," Radio Science 34:2 pp. 437-447
  • Bernhardt, P.A., McCoy, R.P., Dymond, K.F., Picone, J.M., Meier, R.R., Kamalabadi, F., Cotton, D.M., Charkrabarti, S., Cook, T., Vickers, J.S., Stephan, A.W., Kersley, L., Pryse, S.E., Walker, I.K., Mitchell, C.N., Straus, P.R., Na, H., Biswas, C., Bust, G.S., Kronschnabl, G.R., Raymund, T.D. (1998) "Two-dimensional mapping of the plasma density in the upper atmosphere with computerized ionospheric tomography (CIT)," Physics of Plasmas 5:5 PART 1 pp. 2010-2021
  • Bernhardt, P.A., Dymond, K.F., Picone, J.M., Cotton, D.M., Chakrabarti, S., Cook, T., Vickers, J.S. (1997) "Improved radio tomography of the ionosphere using EUV/optical measurements from satellites," Radio Science 32:5 pp. 1965-1972
  • Cotton, D.M., Cook, T., Chakrabarti, S. (1994) "Single-element imaging spectrograph," Applied Optics 33:10 pp. 1958-1962
  • Alan Stern, S., Green, J.C., Cash, W., Cook, T. (1992) "Helium and argon abundance constraints and the thermal evolution of Comet Austin (1989c1)," Icarus 95:1 pp. 157-161
  • Green, J.C., Snow, T.P., Cook, T., Cash, W.C., Poplawski, O. (1992) "The anomalous extinction curve in the direction of Ophiuchi from 950 to 1180," Astrophysical Journal Letters 395:1 pp. 289-294
  • Cook, T., Cash, W., Green, J.C. (1991) "Far ultraviolet spectrophotometry of BD +28 4211," Advances in Space Research 11:11 pp. 29-32
  • Green, J.C., Cook, T., Cash, W. (1991) "Observations of B stars and Comet Austin from 900-1180," Advances in Space Research 11:11 pp. 25-28
  • Green, J., Cash, W., Cook, T., Stern, S.A. (1991) "The spectrum of comet Austin [4]," Science 253:5018 pp. 452-453
  • Green, J.C., Cash, W., Cook, T., Stern, S.A. (1991) "The spectrum of comet Austin from 910 to 1180," Science 251:4992 pp. 408-410
  • Cash, W., Cook, T., Chambellan, C., Heyse, D., Hofmockel, D., Snow, T.P., Windt, D., Zaidins, C. (1989) "A far ultraviolet rocket-borne spectrograph," Experimental Astronomy 1:2 pp. 123-143

Contracts, Fellowships, Grants and Sponsored Research

  • Co-PIA Sounding Rocket Measurement (), Grant -
  • A Research Program for Ground-Based Round-the-Clock Observation of Auroral Emissi (2012), Grant -
    Cook, T. (Co-Principal)
  • CEDAR: HiT&MIS - Continuation of CEDAR: Quantitiative Assessment of Proton Aurora (2012), Grant -
    Cook, T. (Co-Principal)
  • The M101 Interstellar Medium Absorption Gradient Experiment Rocket (2012), Grant -
    Cook, T. (Principal)
  • UMass Lowell's Participation in Boston University's DWEL Program (2012), Contract - CMNWLTH SCI AND IND RES ORG (CSIRO)
    Cook, T. (Co-Principal)
  • Rocketborne Exoplanet and Debris Disk Imaging Experiment (REDDIE): Co-I (2012), Grant - NASA
  • Co-I: MRI: Development of a Dual-wavelength, Ground-Based, Echidna Lidar (DWEL) for Structural Characterization and Virtual Reconstruction of Forest Canopies (2009), Grant - NSF
  • Co-PI: Exoplanet and Debris Disk Imaging Experiment (EDDIE) (2011), Grant - NASA
  • PI: Interstellar Medium Absorption Gradient Experiment Rocket (2007), Grant - NASA
  • Co-PI: A Sounding Rocket Measurement of the D/H Ratio in the Upper Atmosphere of Venus and Relation the Historic Escape of Water (2008), Grant - NASA
  • PI: A Rotational Shearing Interferometer for Planet Detection (2006), Grant - NASA
  • Co-PI: SGER: Investigation of ESF Triggers Using Balloon-Based and Ground Diagnostics (2006), Grant - NSF
  • PICTURE sounding rocket: Co-PI (2004), Grant - NASA
  • Univ. PI: Designing UV Focal Plane (2004), Grant - Magnolia Opt.
  • Univ. PI: The Baryonic Structure Probe:Characterizing the Cosmic Web of Matter Through Ultraviolet Spectroscopy (2004), Grant - NASA / StScI
  • CRaTER Lunar Recon. Orbiter (2004), Grant - NASA
  • PM: CRaTER Lunar Recon. Orbiter (2004), Grant - NASA