Ionized Gas Towards Molecular Clumps: Physical Properties of Massive Star Forming Regions (2009)
Johnston, Katharine G., Shepherd, Debra S., Aguirre, James E., Dunham, Miranda K., Rosolowsky, Erik, Wood, Kenneth
We have conducted a search for ionized gas at 3.6 cm, using the Very Large Array, towards 31 Galactic intermediate- and high-mass clumps detected in previous millimeter continuum observations. In the...
Scannapieco, Frank A, Yu, Jihnhee, Raghavendran, Krishnan, Vacanti, Angela, Owens, Susan I, Wood, Kenneth, ...
Abstract Introduction Dental plaque biofilms are colonized by respiratory pathogens in mechanically-ventilated intensive care unit patients. Thus, improvements in oral hygiene in these patients may...
Scholz, Alexander, Xu, Xiaoying, Jayawardhana, Ray, Wood, Kenneth, Eisloeffel, Jochen, Quinn, Ciara
The properties of accretion disks around stars and brown dwarfs in the SOri cluster (age 3 Myr) are studied based on NIR time series photometry supported by MIR spectral energy distributions. We...
IRS Characterization of a Debris Disk around an M-type star in NGC2547 (2009)
Teixeira, Paula S., Lada, Charles J., Wood, Kenneth, Robitaille, Thomas P., Luhman, Kevin L.
We present 5 to 15 micron Spitzer Infrared Spectrograph (IRS) low resolution spectral data of a candidate debris disk around an M4.5 star identified as a likely member of the ~40 Myr old cluster...
Kerry Rodden, Wojciech Basalaj, David Sinclair, Kenneth Wood
A low-level content-based measurement of image similarity can be used to create a visualisation of an image set, in which visually similar images are displayed close to each other. We are carrying...
Wood, Kenneth, Whitney, Barbara, Robitaille, Thomas, Draine, Bruce
We have modeled optical to far infrared images, photometry, and spectroscopy of the object known as Gomez's Hamburger. We reproduce the images and spectrum with an edge-on disk of mass 0.3M_sun and...
Reflected light from 3D exoplanetary atmospheres and simulation of HD 209458b (2008)
Hood, Ben, Wood, Kenneth, Seager, Sara, Cameron, Andrew Collier
We present radiation transfer models that demonstrate that reflected light levels from three dimensional (3D) exoplanetary atmospheres can be more than 50% lower than those predicted by models of...
IRAS04325+2402C: A very low mass object with an edge-on disk (2008)
Scholz, Alexander, Jayawardhana, Ray, Wood, Kenneth, Lafreniere, David, Schreyer, Katharina, Doyon, Rene
IRAS04325+2402C is a low luminosity object located near a protostar in Taurus. We present new spatially-resolved mm observations, near-infrared spectroscopy, and Spitzer photometry that improve the...
Infrared Spectroscopy of the Diffuse Ionized Halo of NGC 891 (2008)
Rand, Richard J., Wood, Kenneth, Benjamin, Robert A.
We present infrared spectroscopy from the Spitzer Space Telescope at one disk position and two positions at a height of 1 kpc from the disk in the edge-on spiral NGC 891, with the primary goal of...
"Probing Circumstellar Environments with Spectropolarimetry" TEACHING EXPERIENCE (2007)
"Probing Asymmetries in Circumstellar Environments--- Winds, Disks, and Things that Go Clump in the Light"
THE ASTROPHYSICAL JOURNAL, 556 958969, 2001 August 1 V (2007)
The American Astronomical, Angela S. Cotera, Barbara A. Whitney, Erick Young, Michael J. Wolff, Kenneth Wood, ...
We present Hubble Space Telescope near-infrared camera and multiobject spectrometer observations of the reection nebulosity associated with the T Tauri star HH 30. The images show the scattered-light...
Watson, Alan M., Stapelfeldt, Karl R., Wood, Kenneth, Ménard, François
We review recent progress in high-resolution imaging of scattered light from disks around young stellar objects. Many new disks have been discovered or imaged in scattered light, and improved...
Evolution of brown dwarf disks: A Spitzer survey in Upper Scorpius (2007)
Scholz, Alexander, Jayawardhana, Ray, Wood, Kenneth, Meeus, Gwendolyn, Stelzer, Beate, Walker, Christina, ...
We have carried out a Spitzer survey for brown dwarf (BD) disks in the ~5 Myr old Upper Scorpius (UpSco) star forming region, using IRS spectroscopy from 8 to 12\mu m and MIPS photometry at 24\mu m....
Robitaille, Thomas P., Whitney, Barbara A., Indebetouw, Remy, Wood, Kenneth
We present a method to analyze the spectral energy distributions (SEDs) of young stellar objects (YSOs). Our approach is to fit data with pre-computed 2-D radiation transfer models spanning a large...
Rice, W. K. M., Armitage, Philip J., Wood, Kenneth, Lodato, Giuseppe
The spectral energy distributions (SEDs) of some T Tauri stars display a deficit of near-IR flux that could be a consequence of an embedded Jupiter-mass planet partially clearing an inner hole in the...
Robitaille, Thomas P., Whitney, Barbara A., Indebetouw, Remy, Wood, Kenneth, Denzmore, Pia
We present a grid of radiation transfer models of axisymmetric young stellar objects (YSOs), covering a wide range of stellar masses (from 0.1Msun to 50Msun) and evolutionary stages (from the early...
Exploring brown dwarf disks: A 1.3 mm survey in Taurus (2006)
Scholz, Alexander, Jayawardhana, Ray, Wood, Kenneth
We have carried out sensitive 1.3 mm observations of 20 young brown dwarfs in the Taurus star-forming region, representing the largest sample of young substellar objects targeted in a deep millimeter...
Observations on the Formation of Massive Stars by Accretion (2005)
Observations of the H66a recombination line from the ionized gas in the cluster of newly formed massive stars, G10.6-0.4, show that most of the continuum emission derives from the dense gas in an...
Observational Properties of Proto-planetary Disk Gaps (2005)
Varniere, Peggy, Bjorkman, J. E., Carciofi, A. C., Whitney, Barbara A., Wood, Kenneth
We study the effects of an annular gap induced by an embedded proto-planet on disk scattered light images and the infrared spectral energy distribution. We find that the outer edge of a gap is...
2-D and 3-D Radiation Transfer Models of High-Mass Star Formation (2005)
Whitney, Barbara A., Robitaille, Thomas P., Indebetouw, Remy, Wood, Kenneth, Bjorkman, J. E., Denzmore, Pia
2-D and 3-D radiation transfer models of forming stars generally produce bluer 1-10 micron colors than 1-D models of the same evolutionary state and envelope mass. Therefore, 1-D models of the...
Wood, Kenneth, Haffner, L. M., Reynolds, R. J., Mathis, John, Madsen, Greg
We apply our three dimensional photoionization code to model Wisconsin H-alpha Mapper observations of the H II region surrounding the O9.5V star Zeta Oph. Our models investigate the porosity of the...
The Effects of Clumping on Derived Abundances in H II Regions (2005)
Mathis, John S., Wood, Kenneth
We have compared Monte Carlo photoionization models of H II regions with a uniform density distribution with models with the same central stars and chemical compositions but with 3-D hierarchical...
Modeling the Photopolarimetric Variability of AA Tau (2005)
O'Sullivan, Mark, Truss, Michael, Walker, Christina, Wood, Kenneth, Matthews, Owen, Whitney, Barbara, ...
We present Monte Carlo scattered light models of a warped disk that reproduce the observed photopolarimetric variability of the classical T Tauri star AA Tau. For a system inclination of 75 deg and...
2-D Models of Protostars: III. Effects of Stellar Temperature (2004)
Whitney, Barbara. A., Indebetouw, Remy, Bjorkman, J. E., Wood, Kenneth
We model how the mid-infrared colors of Young Stellar Objects (YSOs) vary with stellar temperature. The spectral energy distribution (SED) of each object has contributions from thermal emission of...
The Structure of Brown Dwarf Circumstellar Disks (2004)
Walker, Christina, Wood, Kenneth, Lada, C. J., Robitaille, Thomas, Bjorkman, J. E., Whitney, Barbara
We present synthetic spectra for circumstellar disks that are heated by radiation from a central brown dwarf. Under the assumption of vertical hydrostatic equilibrium, our models yield scaleheights...
Monte Carlo Photoionization Simulations of Diffuse Ionized Gas (2004)
Wood, Kenneth, Mathis, John S.
We demonstrate that the observed increase of some nebular line ratios with height above the midplane in the diffuse ionized gas (DIG) in the Milky Way and other galaxies is a natural consequence of...
A Disk Shadow Around the Young Star ASR 41 in NGC 1333 (2003)
Hodapp, Klaus W., Walker, Christina H., Reipurth, Bo, Wood, Kenneth, Bally, John, Whitney, Barbara A., ...
We present images of the young stellar object ASR 41 in the NGC 1333 star forming region at the wavelengths of H_alpha and [SII] and in the I, J, H, and K-bands. ASR 41 has the near-infrared...
2-D Radiative Transfer in Protostellar Envelopes: II. An Evolutionary Sequence (2003)
Whitney, Barbara A., Wood, Kenneth, Bjorkman, J. E., Cohen, Martin
We present model spectral energy distributions, colors, polarization, and images for an evolutionary sequence of a low-mass protostar from the early collapse stage (Class 0) to the remnant disk stage...
High-Latitude HI in the Low Surface Brightness Galaxy UGC7321 (2003)
Matthews, L. D., Wood, Kenneth
From the analysis of sensitive HI 21-cm line observations, we find evidence for vertically extended HI emission (|z|
2-D Radiative Transfer in Protostellar Envelopes: I. Effects of Geometry on Class I Sources (2003)
Whitney, Barbara A., Wood, Kenneth, Bjorkman, J. E., Wolff, Michael J.
We present 2-D radiation transfer models of Class I Protostars and show the effect of including more realistic geometries on the resulting spectral energy distributions and images. We begin with a...
Constraints on a planetary origin for the gap in GM Aurigae's protoplanetary disc (2003)
Rice, W. K. M., Wood, Kenneth, Armitage, P. J., Whitney, B. A., Bjorkman, J. E.
The unusual spectral energy distribution (SED) of the classical T Tauri star GM Aurigae provides evidence for the presence of an inner disc hole extending to several au. Using a combination of...
Arabi, Yaseen, Abbasi, Adnan, Goraj, Radoslaw, Al-Abdulkareem, Abdulmajeed, Shimemeri, Abudullah AL, Kalayoglu, Munci, ...
Abstract Introduction The purpose of the study was to validate the newly derived postoperative orthotopic liver transplantation (OLTX)-specific diagnostic weight for the Acute Physiology and Chronic...
Can Reflection from Grains Diagnose the Albedo? (2002)
Mathis, John S., Whitney, Barbara A., Wood, Kenneth
By radiation transfer models with a realistic power spectra of the projected density distributions, we show that the optical properties of grains are poorly constrained by observations of reflection...
Infrared Signatures of Protoplanetary Disk Evolution (2001)
Wood, Kenneth, Lada, C. J., Bjorkman, J. E., Kenyon, Scott J., Whitney, Barbara, Wolff, Michael J.
We investigate the observational signatures of a straightforward evolutionary scenario for protoplanetary disks in which the disk mass of small (50 micron) particles decreases homologously with time,...
Wood, Kenneth, Wolff, Michael J., Bjorkman, J. E., Whitney, Barbara
We present spectral energy distribution (SED) models for the edge-on classical T Tauri star HH30 IRS that indicate dust grains have grown to larger than 50 microns within its circumstellar disk. The...
Wood, Kenneth, Smith, David, Whitney, Barbara, Stassun, Keivan, Kenyon, Scott J., Wolff, Michael J., ...
Ground based imaging, imaging polarimetry, and recent Hubble Space Telescope WFPC2 and NICMOS images of protostars have revealed very complex scattered light patterns that cannot be entirely...
Radiative Equilibrium and Temperature Correction in Monte Carlo Radiation Transfer (2001)
Bjorkman, J. E., Wood, Kenneth
We describe a general radiative equilibrium and temperature correction procedure for use in Monte Carlo radiation transfer codes with sources of temperature-independent opacity, such as astrophysical...
Resonance Line Scattering in Supernova Remnant Shocks (2001)
We present a three dimensional radiative transfer model to examine the effects of resonance line scattering in the post-shock flow behind a non-radiative supernova remnant shock. For a rippled shock...
Matthews, L. D., Wood, Kenneth
We use a combination of three-dimensional Monte Carlo radiative transfer techniques and multi-wavelength (BRHK,H alpha) imaging data to investigate the nature of the interstellar medium (ISM) in the...
The ISM of Low Surface Brightness Galaxies (2000)
Matthews, L. D., Wood, Kenneth, Gao, Yu
Using Monte Carlo radiative transfer techniques, we model the dust content of the edge-on low surface brightness (LSB) galaxy UGC 7321 and explore the effects of dust on its disk color gradients....
Optical Variability of the T Tauri Star HH30 (2000)
Wood, Kenneth, Wolk, Scott, Stanek, K. Z., Leussis, George, Stassun, Keivan, Wolff, Michael, ...
We report results of VRI photometric monitoring of the T Tauri star plus disk system HH30. We find that HH30 is highly variable over timescales of a few days with Delta V~1.5 mag, Delta I~1.1 mag....
We have investigated the effects of resonant scattering of emission lines on the image morphology and intensity from coronal loop structures. It has previously been shown that line of sight effects...
[Doctoral thesis recital, Dec. 4, 2000, tenor]--[sound recording] /--Kenneth Wood. (2000)
Special digital audio processing equipment required for reproduction.
A Comparison of Measures for Visualising Image Similarity (2000)
Kerry Rodden, Wojciech Basalaj, David Sinclair, Kenneth Wood
A low-level content-based measurement of image similarity can be used to create a visualisation of an image set, in which visually similar images are displayed close to each other. We are carrying...
Escape of Ionizing Radiation from High-Redshift Galaxies (1999)
We use a three-dimensional radiation transfer code to calculate the steady-state escape fraction of ionizing photons from disk galaxies as a function of redshift and galaxy mass. The gaseous disks...
Ultraviolet Imaging Polarimetry of the Large Magellanic Cloud. II. Models (1999)
Cole, Andrew A., Wood, Kenneth, Nordsieck, Kenneth H.
Motivated by new sounding-rocket wide-field polarimetric images of the Large Magellanic Cloud, we have used a three-dimensional Monte Carlo radiation transfer code to investigate the escape of...
Forming the Dusty Ring in HR 4796A (1999)
Kenyon, Scott J., Wood, Kenneth, Whitney, Barbara A., Wolff, Michael J.
We describe planetesimal accretion calculations for the dusty ring observed in the nearby A0 star HR 4796A. Models with initial masses of 10-20 times the minimum mass solar nebula produce a ring of...
We present Monte Carlo simulations of the Diffuse H$\alpha$ Galactic Background. Our models comprise direct and multiply scattered H$\alpha$ radiation from the kpc scaleheight Warm Ionized Medium and...
[Doctoral thesis recital, Apr. 19, 1999, tenor]--[sound recording] /--Kenneth Wood. (1999)
Special digital audio processing equipment required for reproduction.
Evaluating a Visualisation of Image Similarity as a Tool for Image Browsing (1999)
Kerry Rodden Wojciech, Wojciech Basalaj, David Sinclair, Kenneth Wood
A similarity metric based on the low-level content of images can be used to create a visualisation in which visually similar images are displayed close to each other. We are carrying out a series of...
Evaluating a Visualisation of Image Similarity as a Tool for Image Browsing (1999)
Kerry Rodden, Wojciech Basalaj, David Sinclair, Kenneth Wood
A similarity metric based on the low-level content of images can be used to create a visualisation in which visually similar images are displayed close to each other. We are carrying out a series of...
Evaluating a Visualisation of Image Similarity (1999)
Kerry Rodden, Wojciech Basalaj, David Sinclair, Kenneth Wood
A similarity metric based on the low-level content of images can be used to create a visualisation in which visually similar images are displayed close to each other. We are carrying out a series of...
Magnetic Accretion and Photopolarimetric Variability in Classical T Tauri Stars (1998)
Stassun, Keivan G., Wood, Kenneth
We employ a Monte Carlo radiation transfer code to investigate the multi- wavelength photopolarimetric variability arising from a spotted T Tauri star surrounded by a dusty circumstellar disk. Our...
DERIVING THE GEOMETRY OF Be STAR CIRCUMSTELLAR ENVELOPES . . . (1997)
Kenneth Wood, J.E. Bjorkman, J. E. Bjorkman
We present a general scheme for determining the circumstellar geometry of Be stars from modeling of optical continuum spectropolarimetry. Our modeling scheme utilizes a Monte Carlo radiation transfer...
[Doctoral thesis recital, June 14, 1996, tenor]--[sound recording] /--Kenneth Wood. (1996)
Special digital audio processing equipment required for reproduction.
Para, Michael F., Meehan, Patricia, Holden-Wiltse, Jeanne, Fischl, Margaret, Morse, Gene, Shafer, Robert, ...
ACTG 260 was an open-label, four-arm trial designed to study the safety and anti-human immunodeficiency virus (anti-HIV) activity of delavirdine monotherapy at three ranges of concentrations in...
Arabi, Yaseen, Abbasi, Adnan, Goraj, Radoslaw, Al-Abdulkareem, Abdulmajeed, Shimemeri, Abudullah AL, Kalayoglu, Munci, ...
Para, Michael F., Meehan, Patricia, Holden-Wiltse, Jeanne, Fischl, Margaret, Morse, Gene, Shafer, Robert, ...
ACTG 260 was an open-label, four-arm trial designed to study the safety and anti-human immunodeficiency virus (anti-HIV) activity of delavirdine monotherapy at three ranges of concentrations in...
Arabi, Yaseen, Abbasi, Adnan, Goraj, Radoslaw, Al-Abdulkareem, Abdulmajeed, Shimemeri, Abudullah AL, Kalayoglu, Munci, ...
COPD and PE: A clinical dilemma
Dyspnea in patients with known chronic obstructive pulmonary disease (COPD) can be a clinical challenge due to the nonspecific nature of atypical presentations. Typical features of fever, productive...