Jim Moran’s Home Page

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James M. Moran

Donald H. Menzel Professor of Astrophysics Emeritus
Department of Astronomy
Harvard University

Senior Radio Astronomer
Smithsonian Astrophysical Observatory (SAO)
Radio and Geoastronomy Division
Harvard-Smithsonian Center for Astrophysics

Contact Information

Harvard-Smithsonian Center for Astrophysics
60 Garden St., MS 42
Cambridge, MA 02138

Office: M336, Phone: 617-495-7477, Fax: 617-495-7345

Curriculum Vitae

G2 Animation (from MPE group)


Graduate Students

Most Cited Papers

Barrett Prize Winners

Poet Laureate Emeritus Robert Pinsky on the SMA

Recent Courses

Fall 2013
Astronomy 218:
Radio Astronomy

Fall 2013–Spring 2014
Astronomy 99:
Senior Thesis in Astrophysics

Spring 2013
Astronomy 193:
Noise and Data Analysis
in Astrophysics

Recent Research

The Black Hole Accretion Disk in NGC 4258: One of Nature's Most Beautiful Dynamical Systems Black Hole
Toward a New Geometric Distance to the Active Galaxy NGC 4258. III. Final Results and the Hubble Constant New Geometric Distance
Submillimeter Array Imaging of the Maser Emission from the H30α Radio Recombination Line in MWC 349A SMA Imaging
The Parsec-Scale Accretion Disk in NGC 3393 Parsec Accretion Disk
An X-Ray, Infrared, and Submillimeter Flare of Sagittarius A* Flare of Sgr A*
The Collimated Jet Source in IRAS 16547-4247: Time Variation, Possible Precession, and Upper Limits to the Proper Motions Along the Jet Axis
Event-Horizon-Scale Structure in the Supermassive Black Hole Candidate at the Galactic Centre Event Horizonpwd

Research Areas

Radio Astronomy
Supermassive Black Holes
Massive Star Formation
Active Galactic Nuclei
Extragalactic Distance Scale
Cosmic Masers
Instrumentation:  Astronomical Detectors and Telescopes
Very Long Baseline Interferometers


LANL:   Astro-ph Preprint Archive
ADS:    Astrophysics Data System

Interferometry and Synthesis in Radio Astronomy

Interferometry and Synthesis in Radio Astronomy, 3rd Edition

A. Richard Thompson,
James M. Moran, and
George W. Swenson Jr.

© 2017 Springer International Publishing AG

This is an Open Access publication that can be downloaded for free at link.springer.com. The hardbound edition is available from Springer for US$59.95 or from Amazon.com.


Selected Presentations

Sept. 9, 2005
“The Submillimeter Array,”
given at the Symposium
in honor of the Academic
Retirement of Jack Welch
PDF     PowerPoint

June 18, 2007
“The Black Hole Accretion
Disk in NGC4258: One of
Nature's Most Beautiful
Dynamical Systems”
PDF     PowerPoint

June 23, 2010
“Poetry, Mountains,
and Radio Astronomy:
A Tale of Two Supermassive
Black Holes”
PDF     PowerPoint

Oct. 4, 2010
“The Development of
High-Resolution Imaging
in Radio Astronomy”
PDF     PowerPoint

Oct. 8, 2010
“The Galactic Center:
From the Black Hole to
the Minispiral”
PDF     PowerPoint

July 18, 2011
“From Water Vapor on
Venus to Neutron Stars in
the Crab Nebula”
PDF     PowerPoint

Oct. 6, 2014
“Probing the Black Hole
in the Center of Our
Galaxy at Radio Through
Submillimeter Wavelengths”
PDF     PowerPoint

Aug. 5, 2015
“Cosmic Masers,”
given at The Golden Years
of Radio Astronomy,
IAU General Assembly
PDF     PowerPoint

Sept. 14, 2016
“John H. Van Vleck’s
Legacy to Radio Astronomy,” given at the Celebration
of the Career of Ron Ekers
PDF     PowerPoint

March 27, 2017
“The Origins of VLBI
or 1967— The Summer
of Love,” given at the
Workshop in honor of the
Retirement of Makoto Inoue
PDF     PowerPoint

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Last modified June 2017