A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, Santiago Arribas, Elizabeth Barker, ...
Abstract. We provide an overview of the most important calibration aspects of the NICMOS instrument on board of HST. We describe the performance of the instrument after the installation of the NICMOS...
The 2005 HST Calibration Workshop Space Telescope Science Institute, 2005 (2009)
A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, Santiago Arribas, L. Eddie Bergeron, Roelof De Jong, ...
and 12 (regular) calibration programs executed after the installation of the NICMOS Cooling System (NCS). The special calibrations on Cycle 13 were focussed on a follow up of the spectroscopic...
Improved Photometric Redshifts with Surface Luminosity Priors (2009)
Xia, Lifang, Cohen, Seth, Malhotra, Sangeeta, Rhoads, James, Grogin, Norman, Hathi, Nimish P., ...
We apply Bayesian statistics with prior probabilities of galaxy surface luminosity (SL) to improve photometric redshifts. We apply the method to a sample of 1266 galaxies with spectroscopic redshifts...
Cao, Weiguo, Xu, Chun, Lou, Guying, Jiang, Jinsong, Zhao, Shunguang, Geng, Mei, ...
Objective The aim of this study was to assess the efficacy and toxicity of the combination of paclitaxel and nedaplatin as a first-line chemotherapy for patients with advanced esophageal cancer. ...
Rhoads, James E., Malhotra, Sangeeta, Pirzkal, Norbert, Dickinson, Mark, Cohen, Seth, Grogin, Norman, ...
We present the faintest spectroscopically confirmed sample of redshift four and five Lyman break galaxies to date. The sample is based on slitless grism spectra of the Hubble Ultra Deep Field region...
Straughn, Amber N., Meurer, Gerhardt R., Pirzkal, Norbert, Cohen, Seth H., Malhotra, Sangeeta, Rhoads, James, ...
The Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) grism PEARS (Probing Evolution And Reionization Spectroscopically) survey provides a large dataset of low-resolution spectra from...
Redshifts of Emission-Line Objects in the Hubble Ultra Deep Field (2007)
Xu, Chun, Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Mobasher, Bahram, Daddi, Emanuele, ...
We present redshifts for 115 emission-line objects in the Hubble Ultra Deep Field identified through the Grism ACS Program for Extragalactic Science (GRAPES) project using the slitless grism...
Redshifts of Emission Line Objects in the Hubble Ultra Deep Field (2007)
Xu, Chun, Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Mobasher, Bahram, Daddi, Emanuele, ...
We present redshifts for 115 emission line objects in the Hubble Ultra Deep Field (HUDF) identified through the GRism ACS Program for Extragalactic Science (GRAPES) project using the slitless grism...
Redshifts of emission-line objects in the Hubble Ultra Deep Field (2007)
Xu, Chun, Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Mobasher, Bahram, Daddi, Emanuele, ...
We present redshifts for 115 emission-line objects in the Hubble Ultra Deep Field identified through the Grism ACS Program for Extragalactic Science (GRAPES) project using the slitless grism...
Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Xu, Chun
High redshift galaxies selected on the basis of their strong Lyman-alpha emission tend to be young ages and small physical sizes. We show this by analyzing the spectral energy distribution (SED) of 9...
Riess, Adam G., Strolger, Louis-Gregory, Casertano, Stefano, Ferguson, Henry C., Mobasher, Bahram, Gold, Ben, ...
We have discovered 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to trace the history of cosmic expansion over the last 10 billion years. These objects,...
Computational mechanics models for studying the pathogenesis of obstructive sleep apnea (OSA) (2006)
Obstructive sleep apnea syndrome (OSAS) is a sleep disorder in which the complete occlusion of the upper airway accompanies the cessation of airflow repeatedly during sleep, due to collapse of the...
De Jong, Roelof S., Arribas, Santiago, Barker, Elizabeth, Bergeron, Louis E., Bohlin, Ralph C., Calzetti, Daniela, ...
We provide an overview of the most important calibration aspects of the NICMOS instrument on board of HST. We describe the performance of the instrument after the installation of the NICMOS Cooling...
Thesis (Ph. D.)--Drexel University, 2006.
Extrinsic photonic crystals (2005)
Xu, Chun, Han, Dezhuan, Wang, Xin, Liu, Xiaohan, Zi, Jian
Doped semiconductors are intrinsically homogeneous media. However, by applying an external magnetic field that has a spatially periodic variation, doped semiconductors can behave extrinsically like...
Properties and Applications of Novel DNA-Based Surfactants (2005)
Paunov, Vesselin N., Xu, Chun, Taylor, Pietro, Ersoz, Mustafa, Fletcher, Paul D.
We have designed a novel class of functional surfactants based on DNA and have explored their properties in relation to several possible applications. The DNA-surfactants consist of short chain DNA...
A Redshift z=5.4 Lyman alpha Emitting Galaxy with Linear Morphology in the GRAPES/UDF Field (2004)
Rhoads, James E., Panagia, Nino, Windhorst, Rogier A., Malhotra, Sangeeta, Pirzkal, Norbert, Xu, Chun, ...
We have discovered an extended Lyman alpha plume associated with a compact source at redshift 5.4 in slitless spectroscopic data from the Grism ACS Program for Extragalactic Science (GRAPES) project....
Rhoads, James E., Xu, Chun, Dawson, Steve, Dey, Arjun, Malhotra, Sangeeta, Wang, JunXian, ...
We present a redshift z=6.535 galaxy discovered by its Lyman alpha emission in a 9180A narrowband image from the Large Area Lyman Alpha (LALA) survey. The Ly-a line luminosity (1.1e43 erg/s) is among...
Have we found the first stars in Lyman-α emitters? Elektronische Daten (2003)
Malhotra, Sangeeta, Rhoads, James, Wang, Junxian, Dawson, Steve, Dey, Arjun, ...
Talk Abstract von Kongress: Star and Structure Formation: From First Light to the Milky Way, Astrophysics Conference, August 18-22, 2003, ETH Zurich, Switzerland
Platelet near-wall excess in porcine whole blood in the arterial-sized tube / (2003)
Xu, Chun., Wootton, David Macmullen.
Includes abstract.
The Nuclei of nearby radio-loud ellipticals (2001)
Kleijn, Gijs, De Zeeuw, P. Tim, Baum, Stefi, O'Dea, Christopher, Van Der Marel, Roeland, Xu, Chun, ...
Also archived in: arXiv: astro-ph/0012126 v1 6 Dec 2000 Published in: Galaxies and their Constituents at the Highest Angular Resolutions, Proceedings of IAU Symposium #205, held 15-18 August 2000 at...
The nuclei of nearby radio-loud ellipticals (2001)
Kleijn, Gijs, De Zeeuw, P. Tim, Baum, Stefi, O'Dea, Christopher, Van Der Marel, Roeland, Xu, Chun, ...
Also archived in: arXiv: astro-ph/0012126 v1 6 Dec 2000 Published in: Galaxies and their Constituents at the Highest Angular Resolutions, Proceedings of IAU Symposium #205, held 15-18 August 2000 at...
VLBA observations of a sample of nearby FR I radio galaxies (2000)
Xu, Chun, Baum, Stefi, O'Dea, Christopher, Wrobel, Joan, Condon, James
Also archived in: arXiv: astro-ph/0009124 v1 7 Sep 2000
VLBA Observations Of A Sample Of Nearby FR I Radio Galaxies (2000)
Xu, Chun, Baum, Stefi A., O'Dea, Christopher P., Wrobel, J. M., Condon, J. J.
We observed 17 nearby low luminosity FR I radio galaxies using the NRAO Very Long Baseline Array (VLBA) at 1.67 GHz, as part of a multi-wavelength study of a complete sample of 21 sources selected by...
Thesis (Ph. D.)--McGill University, 1997.
Radio loud and radio quiet active galactic nuclei (1999)
Xu, Chun, Livio, Mario, Baum, Stefi
Also archived in: arXiv: astro-ph/9905322 v1 25 May 1999
Radio loud and radio quiet active galactic nuclei (1999)
Xu, Chun, Livio, Mario, Baum, Stefi
Also archived in: arXiv: astro-ph/9905322 v1 25 May 1999
Radio Loud and Radio Quiet Active Galactic Nuclei (1999)
Xu, Chun, Livio, Mario, Baum, Stefi A.
We generated a sample of 409 AGNs for which both the radio luminosity at 5 GHz and the line luminosity in [OIII] 5007 have been measured. The radio luminosity spans a range of ten orders of...
A Flexible and Recoverable Client/Server Database Event Notification System (1998)
Eric N. Hanson, I-cheng Chen, Roxana Dastur, Kurt Engel, Vijay Ramaswamy, Wendy Tan, ...
.<F3.733e+05> A software architecture is presented that allows client application programs to interact with a DBMS server in a flexible and powerful way, using either direct, volatile messages,...
Metalloid Resistance Mechanisms in Prokaryotes (1998)
Xu, Chun, Zhou, Tongqing, Kuroda, Masayuki, Rosen, Barry P.
Resistance to antibiotics and other chemotherapeutic agents is becoming a wide spread health issue. The biochemical mechanisms of resistance vary, but active efflux of the toxic agents is one of the...
Plasmid-encoded arsenical resistance (ars) operons confer high level resistance to arsenicals and antimonials, while the chromosomally-encoded ars operon of Escherichia coli bestows low level...
Typescript.
There is evidence that amyloid deposition within the brain is of major importance in the pathogenesis of Alzheimer's disease (AD), but the mechanism of this deposition is not known, and several...
There is evidence that amyloid deposition within the brain is of major importance in the pathogenesis of Alzheimer's disease (AD), but the mechanism of this deposition is not known, and several...
Typescript.
Flexible and Recoverable Interaction between Applications and Active Databases (1995)
Eric N. Hanson, I-cheng Chen, Roxana Dastur, Kurt Engel, Vijay Ramaswamy, Chun Xu
The need for active database rules to be able to interact with running application programs has been recognized for some time. In addition, technology that supports recoverable, transactionconsistent...
Flexible and recoverable interaction between applications and active databases (1994)
Eric N. Hanson, I-cheng Chen, Roxana Dastur, Kurt Engel, Vijay Ramaswamy, Chun Xu
The need for active database rules to be able to interact with running application programs has been recognized for some time. In addition, technology that supports recoverable,...
Flexible and Recoverable Interaction Between Applications and Active Databases (1994)
Eric Hanson, I-cheng Chen, Roxana Dastur, Kurt Engel, Vijay Ramaswamy, Chun Xu
The need for active database rules to be able to interact with running application programs has been recognized for some time. In addition, technology that supports recoverable,...
Flexible and Recoverable Interaction between Applications and Active Databases (1994)
Eric N. Hanson, I-cheng Chen, Roxana Dastur, Kurt Engel, Vijay Ramaswamy, Chun Xu
The need for active database rules to be able to interact with running application programs has been recognized for some time. In addition, technology that supports recoverable,...
Morphological subtypes of Alzheimer's disease--[microform]. (1992)
University Microfilms order no. UMI00373433.
Morphological subtypes of Alzheimer's disease / (1992)
Written for the Dept. of Pathology.
Morphological subtypes of Alzheimer's disease (1992)
Initiating a computerized population-based registry of Alzheimer's disease (AD), the IMAGE Project has developed a multimatrix model to investigate the disease. Part of the IMAGE Project 1, the...
Coloration strategies in peacock feathers
Zi, Jian, Yu, Xindi, Li, Yizhou, Hu, Xinhua, Xu, Chun, Wang, Xingjun, ...
We report the mechanism of color production in peacock feathers. We find that the cortex in differently colored barbules, which contains a 2D photonic-crystal structure, is responsible for...
Coloration strategies in peacock feathers
Zi, Jian, Yu, Xindi, Li, Yizhou, Hu, Xinhua, Xu, Chun, Wang, Xingjun, ...
We report the mechanism of color production in peacock feathers. We find that the cortex in differently colored barbules, which contains a 2D photonic-crystal structure, is responsible for...
Xu, Chun, Roepke, Troy A., Zhang, Chunguang, Rønnekleiv, Oline K., Kelly, Martin J.
GnRH autoregulates GnRH neurons through an ultrashort feedback loop. One potential mechanism is the regulation of K+ channel activity through the GnRH receptor. Whereas GnRH inhibits the activity of...
SubpathwayMiner: a software package for flexible identification of pathways
Li, Chunquan, Li, Xia, Miao, Yingbo, Wang, Qianghu, Jiang, Wei, Xu, Chun, ...
With the development of high-throughput experimental techniques such as microarray, mass spectrometry and large-scale mutagenesis, there is an increasing need to automatically annotate gene sets and...