M. Morris

Publication List Details

Period

1904 - 2009

Number

91

Co-Authors

Modeling the System Parameters of 2M1533+3759: A New Longer-Period Low-Mass Eclipsing sdB+dM Binary (2009)

Green, E. M., Fontaine, G., Drechsel, H., Shaw, J. S., Dittmann, J. A., ...

We present new photometric and spectroscopic observations for 2M 1533+3759 (= NSVS 07826147). It has an orbital period of 0.16177042 day, significantly longer than the 2.3--3.0 hour periods of the...

The Galactic Center: A Laboratory for Fundamental Astrophysics and Galactic Nuclei (2009)

Ghez, A., Morris, M., Lu, J., Weinberg, N., Matthews, K., Alexander, T., ...

As the closest example of a galactic nucleus, the Galactic center presents an exquisite laboratory for learning about supermassive black holes (SMBH) and their environs. Detailed studies of stellar...

Coordinated multi-wavelength observations of Sgr A* (2009)

Eckart, A., Schödel, R., Baganoff, F.K., Morris, M., Bertram, T., Dovciak, M., ...

We report on recent near-infrared (NIR) and X-ray observations of Sagittarius A* (Sgr A*), the electromagnetic manifestation of the ~4x10^6 M-circle-dot solar masses super-massive black hole (SMBH)...

Coordinated mm/sub-mm observations of Sagittarius A* in May 2007 (2009)

Kunneriath, D., Eckart, A., Vogel, S., Sjouwerman, L., Wiesemeyer, H., Schödel, R., ...

At the center of the Milky Way, with a distance of ~8 kpc, the compact source Sagittarius A* (SgrA*) can be associated with a super massive black hole of ~4x10^6 solar masses. SgrA* shows strong...

Coordinated multi-wavelength observations of Sgr A* (2008)

Eckart, A., Schoedel, R., Baganoff, F. K., Morris, M., Bertram, T., Dovciak, M., ...

We report on recent near-infrared (NIR) and X-ray observations of Sagittarius A* (Sgr A*), the electromagnetic manifestation of the ~4x10^6 solar masses super-massive black hole (SMBH) at the...

Coordinated mm/sub-mm observations of Sagittarius A* in May 2007 (2008)

Kunneriath, D., Eckart, A., Vogel, S., Sjouwerman, L., Wiesemeyer, H., Schoedel, R., ...

At the center of the Milky Way, with a distance of ~8 kpc, the compact source Sagittarius A* (SgrA*) can be associated with a super massive black hole of ~4x10^6 solar masses. SgrA* shows strong...

Orbits and origins of the young stars in the central parsec of the galaxy (2008)

Lu, J. R., Ghez, A. M., Morris, M., Hornstein, S. D., Matthews, K.

We present new proper motions from the 10 m Keck telescopes for a puzzling population of massive, young stars located within a parsec of the supermassive black hole at the Galactic Center. Our proper...

Measuring Distance and Properties of the Milky Way's Central Supermassive Black Hole with Stellar Orbits (2008)

Ghez, A. M., Salim, S., Weinberg, N. N., Lu, J. R., Do, T., Dunn, J. K., ...

We report new precision measurements of the properties of our Galaxy's supermassive black hole. Based on astrometric (1995-2007) and radial velocity (2000-2007) measurements from the W. M. Keck...

T Mobility Assessment Using Event-Related Responses (2008)

M. Pavel, A. Adami, M. Morris, J. Lundell, T. L. Hayes, H. Jimison, ...

Abstract—The continuous assessment of mobility and speed of processing is an important component underlying physical and cognitive functions. We propose a novel approach to measure mobility, e.g....

The proper motion of the Arches cluster with Keck laser-guide star adaptive optics (2008)

Stolte, A., Ghez, A. M., Morris, M., Lu, J. R., Brandner, W., Matthews, K.

We present the first measurement of the proper motion of the young, compact Arches cluster near the Galactic center from near-infrared adaptive optics (AO) data taken with the recently commissioned...

The proper motion of the arches cluster with Keck laser-guide star adaptive optics (2008)

Stolte, A., Ghez, A. M., Morris, M., Lu, J. R., Brandner, W., Matthews, K.

We present the first measurement of the proper motion of the young, compact Arches cluster near the Galactic center from near-infrared adaptive optics (AO) data taken with the recently commissioned...

Photometric Stellar Variability in the Galactic Center (2007)

Rafelski, M., Ghez, A. M., Hornstein, S. D., Lu, J. R., Morris, M.

We report the results of a diffraction-limited, photometric variability study of the central 5"x5" of the Galaxy conducted over the past 10 years using speckle imaging techniques on the W. M. Keck I...

Adaptive Optics Imaging of IRAS 18276-1431: a bipolar pre-planetary nebula with circumstellar "searchlight beams" and "arcs" (2006)

Contreras, C. Sanchez, Mignant, D. Le, Sahai, R., De Paz, A. Gil, Morris, M.

We present high-angular resolution images of the post-AGB nebula IRAS18276-1431 (also known as OH17.7-2.0) obtained with the Keck II Adaptive Optics (AO) system in its Natural Guide Star (NGS) mode...

A Massive Bipolar Outflow and a Dusty Torus with Large Grains in the Pre-Planetary Nebula IRAS 22036+5306 (2006)

Sahai, R., Young, K., Patel, N. A., Contreras, C. S'anchez, Morris, M.

We report high angular-resolution (~1") CO J=3--2 interferometric mapping, using the Submillimeter Array (SMA), of IRAS22036+5306 (I22036), a bipolar pre-planetary nebula (PPN) with knotty jets...

The First Laser Guide Star Adaptive Optics Observations of the Galactic Center: Sgr A*'s Infrared Color and the Extended Red Emission in its Vicinity (2005)

Ghez, A. M., Hornstein, S. D., Lu, J., Bouchez, A., Mignant, D. Le, Van Dam, M. A., ...

(Abridged) We present the first Laser Guide Star Adaptive Optics (LGS-AO) observations of the Galactic center. LGS-AO has dramatically improved the quality, robustness, and versatility with which...

A Hot Helium Plasma in the Galactic Center Region (2005)

Belmont, R., Tagger, M., Muno, M., Morris, M., Cowley, S.

Recent X-ray observations by the space mission Chandra confirmed the astonishing evidence for a diffuse, hot, thermal plasma at a temperature of 9. $10^7$ K (8 keV) found by previous surveys to...

IRS 16SW - A New Comoving Group of Young Stars in the Central Parsec of the Milky Way (2005)

Lu, J. R., Ghez, A. M., Hornstein, S. D., Morris, M., Becklin, E. E.

One of the most perplexing problems associated with the supermassive black hole at the center of our Galaxy is the origin of the young stars in its close vicinity. Using proper motion measurements...

Vascularity and pain in the patellar tendon of adult jumping athletes: a 5 month longitudinal study (2005)

Cook, Jill, Malliaras, P., De Luca, J., Ptasznik, R., Morris, M.

Background: This study investigated changes in tendon vascularity in 102 (67 men and 35 women) volleyball players over a 6 month competitive season.Methods: Athletes were examined with both grey...

Vascularity and pain in the patellar tendon of adult jumping athletes : a 5 month longitudinal study (2005)

Cook, Jill, Malliaras, P., De Luca, J., Ptasznik, R., Morris, M.

Background: This study investigated changes in tendon vascularity in 102 (67 men and 35 women) volleyball players over a 6 month competitive season.Methods: Athletes were examined with both grey...

Assessment is bloomin' luverly: developing assessment that enhances learning (2004)

Morris, M., Porter, A., Griffiths, D.

Our initial intention was to set out to explore the potential for implementing outcome-based assessment practices in a first year statistics unit. It has evolved into a search for a pedagogy enabling...

Antitumor activity of 3-ingenyl angelate: Plasma membrane and mitochondrial disruption and necrotic cell death (2004)

Ogbourne, SM, Suhrbier, A, Jones, B, Cozzi, SJ, Boyle, GM, Morris, M, ...

Options for skin cancer treatment currently include surgery, radiotherapy, topical chemotherapy, cryosurgery, curettage, and electrodes-sication. Although effective, surgery is costly and unsuitable...

Assessment is bloomin' luverly: developing assessment that enhances learning (2004)

Morris, M., Porter, A., Griffiths, D.

Our initial intention was to set out to explore the potential for implementing outcome-based assessment practices in a first year statistics unit. It has evolved into a search for a pedagogy enabling...

Development of a rapid and sensitive method for the quantitation of benzodiazepines in Calliphora vicina larvae and puparia by LC-MS-MS (2003)

Laloup, M, Pien, K, Samyn, N, Morris, M, Maes, R A A, ...

Liquid chromatography-tandem mass spectrometry (LC-MS-MS) is emerging as the tool of choice for rapid analysis and the detection of biologically active compounds in complex mixtures. We describe the...

Variable Infrared Emission from the Supermassive Black Hole at the Center of the Milky Way (2003)

Ghez, A. M., Wright, S. A., Matthews, K., Thompson, D., Mignant, D. Le, Tanner, A., ...

We report the detection of a variable point source, imaged at L'(3.8 microns) with the W. M. Keck II 10-meter telescope's adaptive optics system, that is coincident to within 18 mas of the Galaxy's...

Stellar Orbits Around the Galactic Center Black Hole (2003)

Ghez, A. M., Salim, S., Hornstein, S. D., Tanner, A., Lu, J. R., Morris, M., ...

We present new proper motion measurements and simultaneous orbital solutions for three newly identified (S0-16, S0-19, and S0-20) and four previously known (S0-1, S0-2, S0-4, and S0-5) stars at the...

Full Three Dimensional Orbits For Multiple Stars on Close Approaches to the Central Supermassive Black Hole (2003)

Ghez, A. M., Becklin, E., Duchene, G., Hornstein, S., Morris, M., Salim, S., ...

With the advent of adaptive optics on the W. M. Keck 10 m telescope, two significant steps forward have been taken in building the case for a supermassive black hole at the center of the Milky Way...

Development of a rapid and sensitive method for the quantitation of amphetamines in human plasma and oral fluid by LC-MS-MS (2003)

Samyn, N, Morris, M, Cooper, D P, Maes, R A A, ...

Target analysis of amphetamines in biological samples is of great importance for clinical and forensic toxicologists alike. At present, most laboratories analyze such samples by gas...

The First Measurement of Spectral Lines in a Short-Period Star Bound to the Galaxy's Central Black Hole: A Paradox of Youth (2003)

Ghez, A. M., Duchene, G., Matthews, K., Hornstein, S. D., Tanner, A., Larkin, J., ...

We have obtained the first detection of spectral absorption lines in one of the high-velocity stars in the vicinity of the Galaxy's central supermassive black hole. Both Brgamma (2.1661 micron) and...

Chandra X-ray spectroscopic imaging of Sagittarius A* and the central parsec of the Galaxy (2003)

Baganoff, F. K., Maeda, Y., Morris, M., Bautz, M. W., Brandt, W. N., Cui, W., ...

We report the results of the first-epoch observation with the ACIS-I instrument on the Chandra X-Ray Observatory of Sagittarius A* (Sgr A*), the compact radio source associated with the supermassive...

A t(2;8) balanced translocation with breakpoints near the human HOXD complex causes mesomelic dysplasia and vertebral defects (2002)

Spitz, F., Montavon, T., Monso-Hinard, C., Morris, M., Ventruto, M. L., Antonarakis, S., ...

Mesomelic dysplasia is a severe shortening of forearms and forelegs, and is found in several distinct human syndromes. Here, we report the cloning of the breakpoints of a human t(2;8)(q31;p21)...

Medical conditions associated with hypertensive disorders of pregnancy (2001)

Dekker, Gustaaf Albert, Morris, M

http://bookshop.blackwell.co.uk/jsp/id/Hypertensive_Disorders_in_Women/9780721673745

ISOGAL-DENIS detection of red giants with weak mass loss in the Galactic Bulge (1999)

Omont, A., Ganesh, S., Alard, C., Caillaud, B., Copet, E., ...

The ISOGAL project is a survey of the stellar populations, structure, and recent star formation history of the inner disk and bulge of the Galaxy. ISOGAL combines 15 and 7micron ISOCAM observations...

On a Novel Critically-Sampled Discrete-Time Real Gabor Transform (1997)

Sanjay Joshi, Joel M. Morris, Prof Joel, M. Morris

In the generalized discrete-time Gabor transform (DTGT), localization of both the dual sequences is not possible at critical sampling. A novel DTGT is defined for real signals and real symmetric...

Paclitaxel (Taxol) in heavily pretreated ovarian cancer: Antitumor activity and complications (1994)

Uziely, B., Groshen, S., Jeffers, S., Morris, M., Russell, C., Roman, L., ...

Objective To analyze the efficacy and toxicity of Taxol in patients with ovarian cancer who had failed at least two previous chemotherapy treatment regimens. Patients and methods Sixty-eight patients...

Effect of Sexual Behavior Change on Long-term Human Immunodeficiency Virus Prevalence among Homosexual Men (1994)

Morris, M., Dean, L

Substantial changes in human immunodeficiency virus (HlV)-related sexual behavior have been reported by virtually every survey of homosexual/bisexual men in the last decade. This paper uses a...

Fresh equatorial jets (1994)

Roemmich, D., Morris, M., Young, W.R., Donguy, Jean-René

A vertically sheared eastward jet in the Equatorial pacific in late 1991 and early 1992 carried relatively fresh water from the Western Pacific overriding the saltier surface layer of the central...

Active deformation mechanisms responsible for ductility and flow stress dependence on temperature in TiAl alloys (1993)

Morris, M.

The active dislocation mechanisms responsible for the deformation process of two phase TiAl alloys have been analysed and their influence on ductility and strength have been interpreted as a function...

Synthesis of poly(dimethylsilylene-co-diphenylsilylene) polymers as precursors for SiC ceramics (1993)

Bushnell-Watson, S., Emsley, R., Morris, M., Sharp, J.

Silicon carbide ceramics, especially fibres, are being fabricated via polymeric precursors. Although such fibres are commercially available, there is a demand for improved performance particularly at...

Active deformation mechanisms responsible for ductility and flow stress dependence on temperature in TiAl alloys (1993)

Morris, M.

The active dislocation mechanisms responsible for the deformation process of two phase TiAl alloys have been analysed and their influence on ductility and strength have been interpreted as a function...

Synthesis of poly(dimethylsilylene-co-diphenylsilylene) polymers as precursors for SiC ceramics (1993)

Bushnell-Watson, S., Emsley, R., Morris, M., Sharp, J.

Silicon carbide ceramics, especially fibres, are being fabricated via polymeric precursors. Although such fibres are commercially available, there is a demand for improved performance particularly at...

TEMPERATURE AND STRESS DEPENDENCE OF THE SHAPE MEMORY EFFECT PRODUCED BY ALLOYING ADDITIONS IN Cu-Al-Ni ALLOYS (1991)

Morris, M.

The effect produced on microstructure and properties of CuAlNi alloys by additions of elements such as manganese and boron have been studied. Ductilities between 4-6% at room temperature and 12-16%...

TEMPERATURE AND STRESS DEPENDENCE OF THE SHAPE MEMORY EFFECT PRODUCED BY ALLOYING ADDITIONS IN Cu-Al-Ni ALLOYS (1991)

Morris, M.

The effect produced on microstructure and properties of CuAlNi alloys by additions of elements such as manganese and boron have been studied. Ductilities between 4-6% at room temperature and 12-16%...

COMPETITION BETWEEN AMORPHOUS OR INTERMETALLIC PHASE FORMATION DURING BALL-MILLING (1990)

Morris, M., Morris, D.

In the present work a number of alloys based on Cr and Nb with Si and B have been prepared by ball-milling and the phases obtained which may be either disordered solutions, intermetallic compounds or...

COMPETITION BETWEEN AMORPHOUS OR INTERMETALLIC PHASE FORMATION DURING BALL-MILLING (1990)

Morris, M., Morris, D.

In the present work a number of alloys based on Cr and Nb with Si and B have been prepared by ball-milling and the phases obtained which may be either disordered solutions, intermetallic compounds or...

THE SURFACE SENSITIVITY OF FLUORESCENCE EXAFS AT REFLECTION CONDITIONS (1986)

Affrossman, S., Doyle, S., Lamble, G., Morris, M., Roberts, K., Sheen, D., ...

The development of reflection EXAFS methods has led to the technique becoming a potentially important tool for the study of solid surfaces. Here we present the results for thin films of silver...

THE SURFACE SENSITIVITY OF FLUORESCENCE EXAFS AT REFLECTION CONDITIONS (1986)

Affrossman, S., Doyle, S., Lamble, G., Morris, M., Roberts, K., Sheen, D., ...

The development of reflection EXAFS methods has led to the technique becoming a potentially important tool for the study of solid surfaces. Here we present the results for thin films of silver...

STRUCTURE AND PROPERTIES OF CREEP SUBBOUNDARIES (1985)

Martin, J., Morris, M., Carrard, M.

The properties of creep subboundaries are described as derived from observations and experiments in the electron microscope for aluminium and an aluminium-zinc alloy. Their geometry, associated...

STRUCTURE AND PROPERTIES OF CREEP SUBBOUNDARIES (1985)

Martin, J., Morris, M., Carrard, M.

The properties of creep subboundaries are described as derived from observations and experiments in the electron microscope for aluminium and an aluminium-zinc alloy. Their geometry, associated...

Vascularity and pain in the patellar tendon of adult jumping athletes: a 5 month longitudinal study

Cook, J, Malliaras, P, De Luca, J, Ptasznik, R, Morris, M, Khan, K

Background: This study investigated changes in tendon vascularity in 102 (67 men and 35 women) volleyball players over a 6 month competitive season.

High reproducibility of patellar tendon vascularity assessed by colour Doppler ultrasonography: a reliable measurement tool for quantifying tendon pathology

Cook, J, Ptazsnik, R, Kiss, Z, Malliaras, P, Morris, M, De Luca, J

Background: This study examined whether patellar tendon vascularity could be quantified accurately in the clinical setting using colour Doppler ultrasonography.

Failure to complete adjuvant chemotherapy is associated with adverse survival in stage III colon cancer patients

Morris, M, Platell, C, Fritschi, L, Iacopetta, B

Two recent North American studies have shown that completion of 5-fluorouracil (5FU)-based adjuvant chemotherapy is a major prognostic factor for the survival of elderly stage III colon cancer...