CAS Seminar Archive



CAS Seminars, Fall 2005


                 
August 30  The First Billion Years of History: Star Forming Galaxies in the Early Universe Revealed 
               with the Hubble Ultra Deep Field
Prof. Andrew Bunker, Exeter, UK abstract September 13 Quasars and Cosmology: Accretion Related Feedback and the Growth of Galaxies
Dr. Gordon Richards, JHU abstract September 20 A Re-examination of UV Extinction and Diffuse Interstellar Bands
Dr. Lynne Valencic, UNA de Mexico abstract September 27 The Least Luminous Galaxies in the Universe: Clues to the "Missing Galaxy" Problem
Dr. Beth Willman, NYU abstract October 04 The HST Deep Impact Campaign
Prof. Paul Feldman, JHU abstract October 18 Science with the James Webb Space Telescope
Dr. Jonathan Gardner, GSFC abstract November 02 Surveying with the Sunyaev-Zel'dovich Effect
Prof. James Bartlett, APC- Universite Paris 7 abstract November 08 X-ray Spectroscopy of Local AGN: What is Really Coming from the Inner Disk?
Prof. T. J. Turner, UMBC abstract November 15 Exploring the Morphological Diversities among the Lyman-Break Galaxies Using GOODS
Dr. Swara Ravindranath, STScI abstract November 22 Thanksgiving week. No seminar November 29 Spitzer Mid-IR Spectroscopy of Infrared Luminous Galaxies at z > 1
Dr. Lin Yan, Spitzer Science Center abstract December 06 The First Year of Swift Observations
Prof. John Nousek, PSU abstract December 13 Gas Infall and Stochastic Star Formation in Local Galaxies
Dr. Guinevere Kauffmann, MPIA abstract December 20 What Do Loose Groups Tell Us about Galaxy Formation?
Dr. D. J. Pisano, Naval Research Lab abstract


CAS Seminars, Spring 2005



January 18  Analysing the Large-Scale Structure in the Final 2dF Galaxy Redshift Survey Catalogue
Dr. William Percival, ROE abstract January 25 Early-Type Galaxies from z=1 to the Present: The Fundamental Plane in the Rest-Frame B- and K-band
Dr. Arjen van der Wel, Leiden abstract February 01 ALMA: Exploring the Outer Limits of Radio Astronomy
Dr. Alwyn Wootten, NRAO abstract February 15 Probing Decisive Answers to Dark Energy Questions from Cosmic Complementarity and Lensing Tomography
Dr. Mustapha Ishak-Boushaki, Princeton abstract February 22 The Evolution of Cataclysmic Variables: Clues from HST & FUSE Observations
Dr. Sofia Araujo-Betancor, STScI abstract March 01 Snow. No talk March 08 No talk. IGM workshop at STScI March 15 Star Formation Histories in Andromeda
Dr. Thomas Brown, STScI abstract March 22 Detailed Magnetic Field Measurements in the Southern Coalsack
Dr. B.G. Andersson, JHU abstract March 29 New Capabilities in High Energy Astrophysics using the Astro-E2 X-Ray Observatory
Dr. Richard Kelley, GSFC abstract April 05 No talk. The Brickwedde lecture April 12 To Pluto and Beyond : The New Horizons Mission
Dr. Hal Weaver, APL abstract April 19 Intermediate-mass Black Holes in Active Galaxies
Ms. Jenny Greene, CfA abstract April 26 The Density, Distribution, and Characteristics of Luminous Compact Blue Galaxies in Intermediate Redshift Galaxy Clusters
Mr. Steven Crawford, UW-Madison abstract July 19 Planet Hunting: the Exoplanet Program of the CoRoT Space Mission
Dr. Magali Deleuil, Laboratoire d'Astronomie Spatiale Marseille abstract

CAS Seminars, Fall 2004



September 07  Observing Massive Galaxies at high-redshift with the Gemini Deep Deep Survey
Prof. Karl Glazebrook, JHU abstract September 14 Morphological Early-Type Galaxies at z~0.75
Dr. Nick Cross, JHU abstract September 24 Friday The Microlensing Planet Finder: Completing the Census of Planets in the Milky Way
Dr. David Bennett, Notre Dame abstract September 28 Interpreting the High Frequency QPO Power Spectra of Accreting Black Holes
Dr. Jeremy Schnittman, MIT abstract October 05 The Accretion History of the Universe
Dr. Richard Mushotzky, GSFC abstract October 12 A 400th Anniversary Look at Kepler's Supernova Remnant using the Great Observatories
Dr. Ravi Sankrit abstract October 19 New Water Opacity for Cool Stars
Mr. Robert Barber, UCL, UK abstract October 26 ACS Observations of Galaxies in 'Protoclusters'
Mr. Roderik Overzier, Leiden abstract November 02 Election Day. No talk November 09 Dwarf Novae in Quiescence
Dr. Knox Long, STScI abstract November 16 The Role of Three-Body Encounters in IMBH Formation
Mr. Kayhan Gultekin, UMCP abstract November 23 Massive Stars and the Origin of Hot Gas in and around Star Forming Galaxies
Dr. David Strickland, JHU abstract November 30 Another One Bites the Dust -- Chandra Observations of MBM12 and Models of the Local Bubble
Dr. Randall Smith, GSFC abstract December 07 Programmable Aperture Masks for JWST Near Infra-Red Spectrometer (NIRSpec)
Dr. Alexander Kutyrev, GSFC abstract December 14 A Study of Distant Ly-alpha Emitters in Overdense Regions
Mr. Bram Venemans, Leiden abstract

CAS Seminars, Spring 2004





January 29 Room 475, The Cosmically Averaged Universe out to z~3abstract

February 13, The X-Ray Background Dr. Gyula Szokoly, MPE, Germany, abstract

February 17, Fe II Curtain in Quasar Spectra Dr. Katya Verner, GSFC, abstract

February 24, Bubbles, Shells, and Massive Stars in W49A: Observing the birth of a massive star cluster Dr. Nicole Homeier, JHU, abstract

March 02, Quark Nugget and the Expansion of the Universe Dr. Vigdor Teplitz, GSFC, abstract

March 16, New Horizons with Open Clusters: the WOCS Dr. Imants Platais, JHU, abstract

March 23, X-ray Probes of Local and Cosmological Star Formation Dr. Andrew Ptak, JHU, abstract

April 06, Fabry-Perot Imaging of the Oxygen-Rich Supernova Remnant G292.0+1.8: A Benchmark for Exploring Ejecta Kinematics in Core Collapse SNe Dr. Parviz Ghavamian, JHU, abstract

April 13, The Swift Gamma-Ray Burst Explorer Mission Dr. John Nousek, Penn State U., abstract

April 20, New Results from the LALA Survey Dr. Jun-Xian Wang, JHU, abstract

April 28, The Deep Impact Comet Mission Dr. Carey Lisse, U. Maryland, abstract

May 26, Abundance Determinations in Extragalactic HII Regions with FUSE: The Status Dr. Vianney Leboutellier, Institut d'Astrophysique de Paris, abstract

CAS Seminars, Fall 2003




September 09 What are ultraluminous X-ray sources?
Dr. Tim Roberts, Leicester, abstract

September 16 The Great Power-Law in the Sky; the Turbulent Cascade from Hundreds of Parsecs to Thousands of Kilometers
Prof. Ethan Vishniac, JHU, abstract

September 23 Accretion Disk Atmospheres
Dr. Mario Jimenez-Garate, MIT, abstract

September 30 A Spectroscopic Tour of the Solar System with FUSE
Prof. Paul Feldman, JHU, abstract

October 07 Interstellar Dust seen with X-ray Halos
Dr. Randall Smith, CfA, abstract

October 14 Environmental Effects on Galaxy Evolution
Dr. Tomotsugu Goto, JHU, abstract

October 21 From Extrasolar Planets to High Redshift Gamma Ray Bursts
Prof. Jian Ge, Penn State, abstract

October 28 No Seminar

November 04 No seminar. Election Day

November 11 Formation of Globular Clusters in Hierarchical Cosmology
Dr. Oleg Gnedin, STScI, abstract

November 18 Quasar Physics from Unusual SDSS Quasars
Dr. Patrick Hall, Princeton, abstract

November 25 No seminar. Defrost turkeys.

December 02 Gamma-Ray Burst: New Observational Results and Numerical Simulation
Dr. John Cannizzo, GSFC/UMBC, abstract

December 09 X-ray Probes of Star Formation Outside the Local Universe
Dr. Ann Hornschemeier, JHU, abstract

December 16 The SDSS Data Release 2 - Access to 2 Terabytes of Data Online
Dr. Ani Thakar, JHU, Room 462 Bring your laptop. abstract

CAS Seminars, Spring 2003



Feb. 04 Faint galaxies in deep ACS fields: photometry and photo-z
Dr. Narciso Benitez, JHU, abstract

Feb. 11 An Ultra-High-Resolution Survey of the Interstellar ^7Li/^6Li Isotope Ratio in the Solar Neighborhood
Dr. David Knauth, JHU, abstract

Feb. 18 CANCELLED DUE TO SNOW STORM - re-scheduled for Mar 4

Feb. 25 Inappropriate Probes of Dense Molecular Clouds
Dr. Paul Goldsmith, Department of Astronomy, Cornell University and NAIC, abstract

Mar. 04 Far Ultraviolet Properties of Low Redshift AGN
Dr. Gerard Kriss, STScI, abstract

Mar. 11 Probing the Ionization State of the Universe at z>6
Dr. Rick White, STScI, abstract

Mar. 18 Numerically Modelling Accretion Flows
Dr. James Murray, Swinburne University of Technology, Victoria, Australia

Mar. 25 Cosmology with the Sunyaev-Zel'dovich (SZ) effect
Dr. Simona Mei, Institut d'Astrophysique Spatiale, Universite' Paris-Sud, France, abstract

Apr. 01 CANCELLED

Apr. 08 The Nearby Galaxies Supernova Search: The Rate of Supernova in The Local Universe
Dr. Louis Strolger, STScI, abstract

Apr. 15 The End of the Dark Ages: The Formation of the First Stars and Quasars
Dr. Volker Bromm, CfA, abstract

Apr. 22 Nearby Stellar Associations as Proto-planetary Disk Laboratories
Dr. Alycia Weinberger, DTM, Carnegie Institution of Washington, abstract

Apr. 29 FUSE Observations of Variability in Hot-Star Winds
Dr. Alex Fullerton, JHU

May. 06 NO CAS SEMINAR -- STScI May Symposium

May. 13 CANCELLED - re-scheduled for May 20

May. 20 From Cores to Disks: Studying Star formation with SIRTF
Dr. Lee Mundy, University of Maryland, College Park, abstract

May. 27 NO CAS SEMINAR - 202nd AAS Meeting



CAS Seminars, Fall 2002


Sep.  17    The Compact High Velocity HI Clouds as Dark Matter Mini-Halos
Prof. Amiel Sternberg, School of Physics & Astronomy, Tel Aviv University, abstract

Sep. 24 Lyman Alpha Galaxies and Reionization
Dr. James Rhoads, STScI, abstract

Oct. 01 The cosmic velocity dipole in the radio galaxy distribution
Dr. Chris Blake, University of New South Wales, Sydney, abstract

Oct. 08 The Gemini Deep Deep Survey - First Results
Dr. Karl Glazebrook, JHU, abstract

Oct. 15 Parsec-scale radio structures in AGN as cosmological probes
Dr. Leonid Gurvits, Joint Institute for VLBI in Europe, Dwingeloo, abstract

Oct. 22 High Energy Resolution Chandra Observations of OB Stars:
Have we Finally Determined the Source of the X-Ray Emission?

Dr. Wayne Waldron, NASA/Goddard Space Flight Center, abstract

Oct. 29 CANCELLED -- Special Departamental Colloquium

Nov. 05 How Unusual are Stars with Planets?
Dr. Neill Reid, STScI

Nov. 12 TBD
Dr. Kenneth Sembach, STScI

Nov. 19 Observing Relativistic Jet Formation in Microquasars
Dr. Steve Eikenberry, Cornell University, abstract

Nov. 26 NO CAS SEMINAR -- Thanksgiving week

Dec. 03 Abundances and Physical Conditions in the Interstellar Gas
Dr. Paule Sonnentrucker, JHU, abstract

Dec. 10 The Unified Model & Evolution of Active Galaxies:
Implications from a Spectropolarimetric Study

Dr. Hien Tran, JHU, abstract

Dec. 17 OPEN

Dec. 24 NO CAS SEMINAR -- Christmas week



CAS Seminars, Spring 2002


Jan.  22    New Populations of Distant Active Galaxies Revealed by Deep Chandra and HST Observations
            Dr. Anton Koekemoer, STScI

Jan.  29    Astrophysical Dynamos: Principles, Progress, and Problems
            Dr. Eric Blackman, University of Rochester
            This is a joint CAS/TIPAC seminar.

Feb.  05    TBD
            Dr. Lynne Allen, University of Michigan

Feb.  12    TBD
            Dr. Xiaohui Fan, Institute for Advanced Studies, Princeton

Feb.  19    The Mass Distribution in Dwarf and Low Surface Brightness Galaxies
            Dr. Rob Swaters, JHU

Feb.  26    OPEN

Mar.  05    OPEN

Mar.  12    TBD
            Dr. Zeljko Ivezic, Princeton

Mar.  19    OPEN

Mar.  26    TBD
            Mr. Eric Peng, JHU

Apr.  02    OPEN

Apr.  09    OPEN

Apr.  16    TBD
            Dr. John Blakeslee, JHU

Apr.  23    OPEN

Apr.  30    OPEN

May   07    Hubble Spring Symposium
            NO CAS SEMINAR
   
May   14    OPEN
   
May   21    OPEN


CAS Seminars, Fall 2001

Sep. 10    SkyServer: Education and Outreach for the Sloan Digital Sky Survey
           Mr. Jordan Raddick, science writer JHU/SDSS, abstract
           ***NOTE THE SPECIAL TIME - Monday, 3:30pm***

Sep. 18    CMB unraveled: News from the oldest photons
           Dr. Douglas Scott, University of British Columbia, Canada
           This is a joint CAS/TIPAC seminar.

Sep. 25    Stellar Observations with Navy Prototype Optical Interferometer
           Dr. Tom Pauls, Naval Research Laboratory
	
Oct. 01    HST Lensing Survey of Galaxy Clusters
           Dr. Graham Smith, University of Durham, UK, abstract
           ***NOTE THE SPECIAL TIME - Monday, 3:30pm***
	
Oct. 09    Science and Operations with the FUSE satellite: a Status Report
           Dr. Bill Blair, Chief of Observatory Operations, FUSE (JHU/CAS)
	
Oct. 16    Intracluster Stars in the Virgo Cluster
           Dr. Patrick Durrell, Penn State University, abstract
	
Oct. 23    Dwarf Star-Forming Galaxies in the Local Universe: the HST Perspective
           Dr. Alessandra Aloisi, JHU/CAS, abstract
	
Oct. 30    The X-ray Background with Chandra: 1Msec observation of the Chandra Deep Field South
           Dr. Paolo Tozzi, Osservatorio Astronomico di Trieste, Italy, abstract
	
Nov. 06    Photochemistry in Comets
           Prof. William Jackson, UC Davis
	
Nov. 13    Sodium at Io: The Many Faces of Atmospheric Escape
           Dr. Matthew Burger, University of Colorado
	
Nov. 20    NO CAS SEMINAR -- Thanksgiving week
	
Nov. 27    XMM-EPIC observation of MCG-6-30-15: Evidence for the extraction of 
energy from a spinning black hole?
Dr. Chris Reynolds, University of Maryland, College Park, abstract Dec. 04 On the Nature of Globular Clusters Dr. Georges Meylan, STScI/ESA Dec. 11 Far UV Spectroscopy of WZ Sge - Hot Again after 23 Years Dr. Knox Long, STScI Dec. 18 Research opportunities at APL Dr. Andy Cheng, APL Dec. 25 NO CAS SEMINAR -- Christmas Day

CAS Seminars, Spring 2001 (Ave. attend. = 22 +/- 11)

Jan.  23    "Timescales of Anisotropic Collapse: Challenging the Spherical Model"
Dr. Martin Kerscher, JHU/CAS

Jan. 30 "Why is it So Hard to Measure the Strength of Gravity?"
Dr. Stephen Merkowitz, NASA/GSFC LHEA

Feb. 06 "SDSS discoveries of L and T Dwarfs: Our Ultracool Solar Neighbors"
Dr. David Golimowski, JHU/CAS

Feb. 13 NO SEMINAR

Feb. 20 "The NGST Detector Program at STScI/JHU"
Dr. Don Figer, STScI

Feb. 27 "FUSE and HST Observations of Sirius-like Binary Systems"
Dr. Matt Burleigh, (FUSE Visitor)

Mar. 06 "FUSE Observations of the Vela SNR"
Dr. Ravi Sankrit, JHU/CAS

Mar. 13 "The Cosmic Infrared Background"
Dr. Edward L. (Ned) Wright, IAS (Princeton)/UCLA

Mar. 20 "Intermediate-luminosity X-ray Objects: Accreting Intermediate-mass
Black Holes?"
Dr. Ed Colbert, JHU/CAS

Mar. 27 NO CAS SEMINAR--JHU 125th Anniversary

Apr. 03 "Hubble Spring Symposium"
NO CAS SEMINAR

Apr. 10 "Chandra Imaging Spectroscopy of Nearby AGN"
Dr. David Smith, U of MD

Apr. 17 "The Birth Properties of Neutron Stars"
Dr. Zaven Arzoumanian, NASA-GSFC/LHEA

Apr. 24 "Brickwedde Week"
NO CAS SEMINAR

CANCELLED CANCELLED CANCELLED
May 01 "Advanced Camera Update"
Dr. Holland Ford et al., JHU/CAS

May 08 "Search for Large Scale Diffuse X-ray Emission in the Shapley Supercluster"
Dr. Sandor Molnar, GSFC/USRA


CAS Seminars, Fall 2000 (Ave. attend. = 29.9 +/- 12.4)

Sept. 12    "PRIME - A Near-Infrared Survey"
Dr. Wei Zheng, JHU/CAS

Sept. 19 "Weakly-ionized Accretion Disks"
Dr. Kristen Menou, Princeton University,
Department of Astrophysical Sciences

Sept. 26 "Gamma Ray Burst Energetics and Environments from Afterglow Studies"
Dr. James Rhoads, STScI

Oct. 03 "The Origin of OVI in the Interstellar Medium:
Death of the Evaporative Cloud Model?"
Dr. Bill Oegerle, JHU/CAS

Oct. 10 "Status of the SIM Mission"
Dr. Ron Allen, STScI

Oct. 17 "The Physics of X-ray Jets"
Dr. Meg Urry, STScI

Oct. 24 "The Ionization of the Warm Ionized Medium in Nearby Spirals"
Dr. Charles Hoopes, JHU/CAS

Oct. 31 "Poissonian Analysis of Quasar Variability: Theory & Observations"
Dr. Roberto Cid Fernandes, JHU/CAS

Nov. 07 "The Stellar Collider in the Galactic Center"
Dr. Tal Alexander, STScI

Nov. 14 "Dust Absorption and Reddening of Starbursts"
Dr. Gerhardt Meurer, JHU/CAS

Nov. 21 "The Death and Resurrection of Mean Field Dynamo Theory"
Dr. Ethan Vishniac, JHU/CAS

Nov. 28 "The Search for O VI Emission from the Galaxy's Hot
Interstellar Medium"
Dr. Robin Shelton, JHU/CAS

Dec. 05 "X-rays from the AGN and the X-ray Reflectors in the Seyfert
Galaxy NGC1068"
Dr. Ed Colbert, JHU/CAS

Dec. 12 "Time-dependent X-ray Reflection by Photoionized Accretion
Disks: Implications for Fe K-alpha Line Reveberation
Studies of AGN"
Dr. Sergei Nayakshin, NRC Fellow, NASA/GSFC


CAS Seminars, Spring 2000 (Ave. attend. = 29.3 +/- 9.5)

Jan. 25:  "Initial Results from the FUSE Mission"
Local FUSE Science Team Members, JHU/CAS
***Postponed due to Weather***

Feb. 01: "Some Like It Hot: Understanding Starburst-driven Galactic Winds"
Dr. Dave Strickland, JHU/CAS

Feb. 08: "Mapping the Accretion Disks of Compact Binary Systems at
Near-Infrared Wavelengths"
Dr. Cynthia Froning, STScI

Feb. 15: "Initial Results from the FUSE Mission"
Local FUSE Science Team Members, JHU/CAS

(NOTE: Rescheduled from Jan. 25. After a few introductory remarks, FUSE
posters from the recent AAS meeting will be available for inspection,
and local FUSE scientists will be available for informal discussions.)

Feb. 22: "The Surprising Environments of Massive Evolved Stars in M31"
Dr. Nichole King, STScI

Feb. 29: "FUSE Observations of High Velocity Clouds"
Dr. Ken Sembach, JHU/CAS

Mar. 07: "Discovering the Physics of Jets in Active Galaxies"
Dr. Eric Perlman, JHU/CAS

Mar. 14: "The Evolution of X-ray CLusters and the Entropy of
the Intra-Cluster Medium"
Dr. Paolo Tozzi, JHU/CAS

Mar. 21: "Spring Break Week...No Talk Scheduled"

Mar. 28: "X-ray Spectral Line Variability in Seyfert 1 Galaxies"
*Mr. Jonathan Gelbord, JHU/CAS

Apr. 04: "Far Infrared Spectroscopy of Normal Galaxies:
Physical Conditions and Energetics in Starforming ISM"
Dr. Sangeeta Malhotra, JHU/CAS

Apr. 11: "HST Workshop--No CAS Seminar"

Apr. 18: "Grain Alignment and Interstellar Polarization"
Dr. Wayne Roberge, Physics Dept., RPI

Apr. 25: "The Rocket Science of Expelling Stellar Disks"
Dr. Stan Owocki, Bartol Research Institute, University of Delaware

May 02: "Star Clusters and the Duration of Starbursts"
*Dr. Gerhardt Meurer, JHU/CAS

May 09: "Brickwedde Lecture--No CAS Seminar"


CAS Seminars, Fall 1999 (Ave. attend. = 23 +/- 5)

Sept. 14: "New Atomic Data Computations and Experimental Benchmarking 
of Collisional-radiative (CR) Models for Ions of Astrophysical
and Laboratory Plasma Physics Interest"
Dr. Mario Mattioli, EURATOM-ENEA Association
for Fusion Research, Frascati, Italy

Sept. 21: "High-Velocity Clouds: Tidal Debris or Baby Galaxies?"
Dr. Mary Putman, Mt. Stromlo Observatory - Australian National
University, JHU/CAS visitor

Sept. 28: NOTE: Joint CAS/TIPAC Seminar
"Putting Some Pieces of the Quasar Puzzle Together"
Dr. Ari Laor, Technion U.

Oct. 5: "The Molecular Universe"
Dr. Xander Tielens, Kapteyn Institute, University of Groningen

Oct. 12: "Commissioning NIRSPEC: Hot Stars and Cool Clouds
of the Eagle Nebula PDR"
Dr. Nancy Levenson, JHU/CAS

Oct. 19: "Thermal Ionization Instability and Iron Lines from Accretion Disks
in AGN and GBHCs"
Dr. Sergei Nayakshin, NASA/GSFC, NRC Associate

Oct. 26: "Massive Star Formation in Early-type(Sa-Sab) Spiral Galaxies"
Mr. Salman Hameed, New Mexico State University

Nov. 2: "Driving Outflows from Young Stars Using Internal Disk
Magnetic Fields"
Dr. Neal Turner, Univ. of MD

Nov. 9: "EUV and X-ray Properties of Hot Stars"
Dr. David Cohen, Bartol/U. Delaware

Nov. 16: "Supernovae and Beamed Gamma-Ray Bursts"
Dr. Insu Yi, Korean Institute for Advanced Study

Nov. 23: "Modern Measurements of Omega and Lambda"
Dr. Andrew Jaffe, Univ. of California, Berkeley

Nov. 30: "Maryland Space Grant Consortium"
Dr. Richard Henry, JHU/CAS

Dec. 7: "Cold Clouds and Hot Stars in the Thick Disks of Spiral Galaxies"
Dr. Chris Howk, JHU/CAS

Dec. 14: "Imaging an Event Horizon"
Dr. Eric Agol, JHU/CAS


CAS Seminars, Spring 1999 (Ave. attend. = 35 +/- 9)

Jan. 26:   "A Comparison of Two Ultraluminous Supernova Remnants"
Dr. Bill Blair, JHU/CAS

Feb. 02: "The Origin and Clustering Properties of Low-Redshift QSO
Absorption Line Systems Towards the Galactic Poles"
Dr. Daniel Vanden Berk, U. Texas

Feb. 09: "Tracing Chemical Evolution of Galaxies with Quasar
Absorption Lines"
Dr. Varsha Kulkarni, U. Arizona

Feb. 16: "Planning Observations with XMM and Astro-E"
Dr. Kim Weaver, JHU/CAS and NASA/GSFC

Feb. 23: "Massive Stars Near the Galactic Center"
Dr. Don Figer, UCLA

Mar. 02: "High Redshift Clusters: New Results from Keck and HST"
Dr. Marc Postman, JHU/CAS and STScI

Mar. 09: "The Evolution of Galaxies in Clusters: An Easy Model and
What We Can Learn from It"
Dr. Rosendo Vilchez-Gomez, STScI

Mar. 16: "Spring Break--No CAS Seminar"

Mar. 23: "Precision Cosmology with CMB Experiments and Large
Redshift Surveys"
Dr. Daniel Eisenstein, IAS/Princeton

Mar. 25: "Accessing and Using SDSS Test Data at JHU"
Dr. Wei Zheng, JHU/CAS
NOTE: Special Time and Date: Thursday, 1 p.m., rm 361

Mar. 30: "Protostellar Outflows" POSTPONED!!
Dr. Jennifer Wiseman, JHU/CAS

Apr. 01: "Probing the Inner Regions of AGN with
X-ray Spectroscopy"
Dr. Chris Reynolds, Univ. of Colorado
NOTE: Special Time and Date: Thursday, 2 p.m., rm 361

Apr. 05: "The Next Generation of Faint Redshift Surveys"
Dr. Karl Glazebrook, Anglo-Australian Observatory
NOTE: Special Time and Date: Monday, 4 p.m., rm 361

Apr. 06: No CAS Seminar--Brickwedde Lecture

Apr. 09: "Measuring Feedback and Understanding
Its Role in Galaxy Formation and Evolution"
Dr. Crystal Martin, STScI
NOTE: Special Time and Date: Friday, 2 p.m., rm 361

Apr. 13: "The Optical and UV Light Echo of SN 19987A"
Dr. Steve Lawrence, Columbia U.

Apr. 14: "Spiral Galaxies with HST: Clues to Bulge Formation"
Dr. Marcella Carollo, JHU/CAS
NOTE: Special Time and Date: Wednesday, 4 p.m., rm 361

Apr. 15: "The Search for High Redshift Galaxy Clusters:
Present Status and Future Prospects"
Dr. Piero Rosati, European Southern Observatory
NOTE: Special Time and Date: Thursday 4:00 p.m. - Bloomberg 361

Apr. 16: "The Galactic Disk-Halo Connection: Understanding
QSO Absorption Line Systems and Chemical Evolution"
Dr. Ken Sembach, JHU/CAS
NOTE: Special Time and Date: Friday, 2 p.m., rm 361

Apr. 20: NO CAS SEMINAR

Apr. 27: "Radio Signature of HI at High Redshifts: Mapping the End of the Dark Age"
Dr. Paolo Tozzi, JHU/CAS

May 04: No CAS Seminar--STScI Conference

May 11: "Protostellar Outflows" (Rescheduled from Mar. 30)
Dr. Jennifer Wiseman, JHU/CAS

June 1: "Three Point Statistics in Large-Scale Structure:
From Theory to Observations"
Dr. Roman Scoccimaro, CITA


CAS Seminars, Fall 1998 (Ave. attend. = 26.5)

Sept.  8:  "The z=1.6748 C I Absorber Toward the QSO PKS 1756+237"
Dr. Kathy Roth, IfA, Hawaii

Sept. 15: "The Low End of the Initial Mass Function for the R136
Cluster in the LMC"
Dr. Marco Sirianni, JHU/CISAS-Italy

Sept. 22: "The Pressure in Molecular Cloud Envelopes; HST Measurements
of the C I Fine Structure Lines towards B5"
Dr. B-G Andersson, JHU/CAS

Sept. 29: "Do cluster galaxies have extended dark halos?"
Dr. Priyamvada Natarajan, CITA (Toronto)

Oct. 6: "The 1998/1999 Leonid Meteor Storms"
Dr. Ed Murphy, JHU/CAS

Oct. 13: "The Host Galaxies of AGN"
Dr. Meg Urry, JHU/CAS and STScI

Oct. 20: "The Ecology of the Cygnus Loop"
Dr. Nancy Levenson, JHU/CAS

Oct. 27: "Evolutionary Status of Dwarf 'Transition' Galaxies"
Dr. Pat Knezek, JHU/CAS

Nov. 3: "Election Day-Vote Early and Often!"
No CAS Seminar

Nov. 10: "The Distance Scale to Globular Clusters"
Dr. Carla Cacciari,
Osservatorio Astronomico di Bologna, Italy

Nov. 17: "Dusty Clouds and Star Formation in the Disk-Halo
Interface of Spiral Galaxies"
Dr. Chris Howk, UW-Madison

Nov. 24: "Phase A study for CUVIT: the Canadian UV Imaging Telescope"
Dr. John Hutchings, DAO/HIA/NRC

Dec. 1: "Two-dimensional Radiative Transfer in Circumstellar Flows"
Dr. C.P. Dullemond, Leiden Observatory, The Netherlands

Dec. 8: "How Big is the M82 Superwind?"
Dr. David Devine, NASA/GSFC


CAS Seminars, Spring 1998 (Ave. attend. = 24

Feb. 3:   "Another Piece of the Sky:  Supernova Remnants in the 
Milky Way's Halo"
Dr. Robin Shelton, LHEA/NASA GSFC

Special CAS Seminar--Thur. 1 p.m., rm 361 ***CANCELLED***
Feb. 5: "High-Velocity Clouds"
Dr. Eric Schulman, NRAO

Feb. 10: "Opening Up the Mg II Absorbing Universe"
Dr. Chris Churchill, Penn State

Feb. 17: "Structure of the Crab Nebula Filaments"
Dr. Ravi Sankrit, Arizona State University

Feb. 24: "Brickwedde Lecture -- no CAS Seminar"

Mar. 3: "The Galaxy Evolution Explorer: Filling A Crucial Gap
in Our Knowledge of the Sky"
Dr. Luciana Bianchi, JHU/CAS

Special CAS Seminar: Wed. at 2 p.m., rm 235:
Mar. 4: "Investigating the Intergalactic Medium Using Unique
QSO Configurations"
Mr. Eric Monier, Univ. of Pittsburgh

Mar. 10: "3-D Spectrography of AGNs with TIGER/OASIS"
Dr. Pierre Ferruit, Univ. of MD

Mar. 17: "Spring Break Week" (No Talk.)

Mar. 24: "The IUE MEGA Campaign: A New View of Hot-Star Winds"
Dr. Alex Fullerton, JHU/CAS

Mar. 31: "Starbursts, Dark Matter, and the Evolution of Dwarf Galaxies"
Dr. Gerhardt Meurer, JHU/CAS

Apr. 7: "The Relationship Between Galaxies and QSO Lyman Alpha
Clouds at Low Redshifts"
Dr. Todd Tripp, Princeton University

Special CAS Seminar--Thur. 1 p.m., rm 361
Apr. 9: "IMAS/UV: The Indian Astronomy Satellite"
Dr. A. K. Pati, Indian Institute of Astrophysics

Apr. 14: "Gravitational Lensing and Cosmology"
Dr. Bhuvnesh Jain, JHU/CAS

Apr. 21: "What's Up with High Velocity Clouds?"
Dr. Ken Sembach, JHU/CAS

Apr. 28: "Potts Lecture" Dr. Martin Rees. [No CAS Seminar]

May 5: STScI Conference on Stellar Evolution, May 4-7. [No CAS Seminar]

May 12: "Evolution of the M/L Ratios of Early-Type Galaxies to
Intermediate Redshift"
Dr. Dan Kelson, Carnegie/DTM

May 19: "How Do Bright Accretion Disks Shine?"
Dr. Eric Agol, JHU/CAS

June 2: "A Proposer's Guide to the XMM Mission"
Dr. Richard Mushotzky, NASA/GSFC, and JHU/CAS

Note: special date (time TBD):
June 4: "Diffuse EUV Emission from Clusters of Galaxies;
A New Component of Cluster Gas or Something Else?"
(Thur.) Dr. Stu Bowyer, UC Berkeley


CAS Seminars, Fall 1997 (Ave. attend. = 35

Sept. 16:  "Do We Understand How Accretion Disks in AGN Radiate?"
Dr. Julian Krolik, JHU/CAS

Sept. 23: "Tilted Accretion Disks in the Active Nuclei of Spiral Galaxies"
Dr. Anne Kinney, STScI/JHU

Sept. 30: "FUSE: The Instrument and Its Science Program"
Drs. Bill Oegerle and Ken Sembach, JHU/CAS

Oct. 7: "Status of the HST Advanced Camera for Surveys"
Drs. H. Ford, M. Clampin, Z. Tsvetanov

Oct. 14: "Apache Point Observatory Status Report"
Dr. Alan Uomoto, JHU/CAS

Oct. 21: "Black Holes and The Central Regions of Early Type Galaxies"
Dr. Laura Ferrarese, CalTech

Oct. 28: "Accurate Distances to Galactic Planetary Nebulae"
Dr. Emanuel Vassiliadis,
Instituto de Astrofisica de Canarias, Spain

Nov. 4: "News from the Space Science Enterprise"
Dr. Chuck Holmes, NASA//HQ

Nov. 11: "Sounding Rocket Observations of Comet Hale-Bopp"
Mr. Jason McPhate, JHU/CAS
"Multispectral Observations of Comet Hale-Bopp with MSX"
Mr. David Kupperman, JHU/APL

Nov. 18: "Gravitational Lens Time Delays and the Hubble Constant"
Dr. Paul L. Schechter, MIT

Nov. 24: "HST Spectroscopy of Helium Rich (pre-) White Dwarfs"
Dr. Stefan Dreizler, Univ. of Tubingen
"Mass-loss Rates from FUV P Cygni Lines in PG1159 Stars"
Dr. Lars Koesterke, Univ. of Tubingen
NOTE: Special Monday Seminar, in rm. 361 at 3:30 p.m.

Nov. 25: "A Proposer's Guide to the AXAF Satellite"
Dr. Richard Mushotzky, NASA/GSFC, and JHU/CAS
(NOTE: To be held in the Schafler Auditorium!)

Dec. 2: "The GTC Project: An Advanced 10m Telescope"
Drs. P. Alvarez and Jose M. Rodriguez Espinosa
Instituto de Astrofisica de Canarias, Spain

Dec. 9: "Current Research in Interstellar and Circumstellar Problems"
Dr. Tom Hartquist, JHU/CAS Visitor,
Max Planck Institute fuer Extraterrestrische Physik and
Univ. of Leeds

Dec. 16: "Massive Counterrotating Disks in Spiral Galaxies"
Dr. Ani Thakar, JHU/CAS