Research Activities, Papers, and Talks

Categories: 

• Cosmology  
• Planetary 
• Extragalactic 
• Galactic Interstellar Medium 
  • Molecular Clouds
  • Supernovae Remnants
  • Galactic Center
• Evolved Stars
• Instrumentation, Data Analysis, Weather, and Techniques
• Weather
• Calibration
• GBT Commissioning, Software, and Instrumenation
• Miscelaneous
  
• Science Education
• Miscelaneous
  

Cosmology:

• High-Redshift HCN Emission: Dense Star-forming Molecular Gas in IRAS F10214+4724 (2004, Vanden Bout, P. A.; Solomon, P. M.; Maddalena, R. J.)
• Dense Molecular Gas and Star Formation in High Redshift Quasars: HCN Observations of IRAS F10214+4724 (2004, Solomon, P. M.; Vanden Bout, P. A.; Maddalena, R)

Planetary:

• GBT Memo 232: Apparent Temperature of Mercury, Mars, Saturn, and Venus at X Band (Langston, G., Braatz, J., Ghigo, F., Maddalena, R., Minter, T. and O'Neil; PDF)
• Jupiter's radio spectrum from 74 MHz up to 8 GHz (2003, de Pater, Imke; Butler, B. J.; Green, D. A.; Strom, R.; Millan, R.; Klein, M. J.; Bird, M. K.; Funke, O.; Neidhöfer, J.; Maddalena, R.; and 4 coauthors)
• Observations of Jupiter's 20-cm Synchrotron Emission during the Impacts of Comet P/Shoemaker-Levy 9 (1996, Wong, Michael H.; de Pater, Imke; Heiles, Carl; Millan, Robyn; Maddalena, Ronald J.; Kesteven, M.; Price, R. M.; Calabretta, M.)
• Outburst of Jupiter's Synchrotron Radiation After the Impact of Comet Shoemaker-Levy 9 (1995, de Pater, Imke; Heiles, C.; Wong, M.; Maddalena, R. J.; Bird, M. K.; Funke, O.; Neidhoefer, J.; Price, R. M.; Kesteven, M.; Calabretta, M.; and 17 coauthors)
• Jupiter's synchrotron radiation throughout the Comet P/Shoemaker-Levy 9 impact period (1995, de Pater, I.; Heiles, C.; Wong, M.; Maddalena, R. J.; Bird, M. K.; Funke, O.; Neidhoefer, J.; Price, R. M.; Kesteven, M.; Calabretta, M.; and 7 coauthors)
• Jupiter's Synchrotron Radiation throughout the SL9 Impacts (1994, de Pater, Imke; Heiles, C.; Wong, M.; Maddalena, R. J.; Strom, R.; Lepoole, R.; Spoelstra, T.; Bird, M.; Neidhoefer, J.; Funke, O.; and 12 coauthors)
• Jupiter and Comet 1993e (1994, de Pater, I.; Heiles, C.; Wong, M.; Maddalena, R.; Green, D. W. E.)

Extragalactic:

• HI Properties of the GOALS Luminous Infrared Galaxies (2012, Windemuth, Diana; Frayer, D.; Maddalena, R.; Stierwalt, S.)
• Research Experience for Teachers at NRAO-Green Bank: Identifying Extended Regions of Neutral Hydrogen Surrounding Isolated Galaxies (2007, McCarty, Amy; Pisano, D. J., III; Maddalena, R. J.)
• Diffuse H I Disks in Isolated Galaxies (2007, Hogg, David E.; Roberts, Morton S.; Haynes, Martha P.; Maddalena, Ronald J.)
• On the Continuing Formation of the Andromeda Galaxy: Detection of H I Clouds in the M31 Halo (2004, Thilker, David A.; Braun, Robert; Walterbos, René A. M.; Corbelli, Edvige; Lockman, Felix J.; Murphy, Edward; Maddalena, Ronald)
• Blind Extragalactic HI Surveys with the Arecibo and Green Bank Telescopes: II. Strategies for Map Construction and Signal Detection (2003, Haynes, M. P.; Giovanelli, R.; Springob, C. M.; Saintonge, A.; Spekkens, K.; Masters, K. L.; Catinella, B.; Kent, B.; Maddalena, R. J.; Magnani, L.; Koopmann, R. A.)
• GBT HI Observations Tracing the Continuing Formation of M31, M33 and the Local Group (2003, Thilker, D. A.; Braun, R.; Walterbos, R. A. M.; Corbelli, E.; Lockman, F. J.; Murphy, E.; Maddalena, R.)
• Green Bank Telescope Commissioning Observations of HI in M33 (2002, Thilker, D. A.; Braun, R.; Walterbos, R. A. M.; Corbelli, E.; Lockman, F. J.; Murphy, E. M.; Maddalena, R. J.)
• Asymmetry in high-precision global H I profiles of isolated spiral galaxies (1998, Haynes, Martha P.; van Zee, Liese; Hogg, David E.; Roberts, Morton S.; Maddalena, Ronald J.)
• Obtaining High Precision HI Fluxes for Galaxies (1997, van Zee, Liese; Maddalena, Ronald J.; Haynes, Martha P.; Hogg, David E.; Roberts, Morton S.)
• A Survey to Detect Galaxies with High-Velocity Gas (1996, Bates, N. S.; Maddalena, R. J.)
• The Detection of High Velocity Gas in Nearby Galaxies (1996, Maddalena & Bates)

Galactic Interstellar Medium:

• Search for polycyclic aromatic hydrocarbons in the Perseus molecular cloud with the Green Bank Telescope (2014; Ali-Haïmoud, Yacine; Pérez, Laura M.; Maddalena, Ronald J.; Roshi, D. Anish)
• The Orion Nebula in 3.6 cm Continuum Emission: The First Combination of VLA and GBT Data (2001, Shepherd, D. S.; Maddalena, R.; MCMullin, J. P.)
• A Large Photodissociation Region around the Cold, Unusual Cloud G216-2.5 (1996, Williams, Jonathan P.; Maddalena, Ronald J.)

Molecular Clouds:

• An expanding system of molecular clouds surrounding Lambda Orionis (1987, Maddalena, R. J.; Morris, M.)
• Molecular clouds in Orion and Monoceros (1986, Maddalena)
• The large system of molecular clouds in Orion and Monoceros (1986, Maddalena, R. J.; Morris, M.; Moscowitz, J.; Thaddeus, P.)
• The Infrared Emission of the Orion / Monoceros Molecular Clouds (1986, Boulanger, F.; Maddalena, R. J.; Thaddeus, P.)
• Molecular clouds in Orion and Monoceros.(1986, Maddalena)
• A large, cold, and unusual molecular cloud in Monoceros (1985, Maddalena, R. J.; Thaddeus, P.)
• Gamma rays from atomic and molecular gas in the large complex of clouds in Orion and Monoceros (1984, Bloemen, J. B. G. M.; Caraveo, P. A.; Hermsen, W.; Lebrun, F.; Maddalena, R. J.; Strong, A. W.; Thaddeus, P.)
• An Unusual Giant Molecular Cloud in Monoceros (1984, Maddalena, R. J.; Thaddeus, P.)
• Kinematics of the Orion-Monoceros molecular filaments. (1983, Maddalena, R. J.; Morris, M.; Thaddeus, P.)
• The Molecular Cloud Complexes in Orion and Monoceros (1982, Maddalena, R. J.; Moscowitz, J.; Morris, M.; Thaddeus, P.)

Supernovae Remnants:

• High-resolution Flux-accurate Radio Images of SN1006 (2006, Dyer, Cornwell, & Maddalena)
• A Survey of OH (1720 MHz) Maser and OH (1665/7 MHz) Absorption Lines toward Supernova Remnants (2003, Hewitt, J. W.; Yusef-Zadeh, F.; Roberts, D. A.; Maddalena, R.)

Galactic Center:

• GBT Multiwavelength Survey of the Galactic Center Region (2008, Law, C. J.; Yusef-Zadeh, F.; Cotton, W. D.; Maddalena, R. J.)
• Starburst Driven Thermal and Non-thermal Structures in the Galactic Center Region (2005, Yusef-Zadeh, F.; Cotton, W.; Hewitt, J.; Law, C.; Maddalena, R.; Roberts, D. A.)
• Starburst Driven Thermal and Non-thermal Structures in the Galactic Center Region (2005, Yusef-Zadeh, F.; Cotton, W.; Hewitt, J.; Law, C.; Maddalena, R.; Roberts, D. A.)
• A 20cm Survey of the Galactic Center Region using the VLA and GBT (2004, Hewitt, J. W.; Yusef-Zadeh, F.; Roberts, D. A.; Law, C. J.; Cotton, W. D.; Maddalena, R. J.)
• Multiwavelength, GBT survey of the Continuum Emission from the Inner Few Degrees of the Galactic Center (2004, Law, C. J.; Yusef-Zadeh, F.; Roberts, D. A.; Hewitt, J. W.; Cotton, W. D.; Maddalena, R. J.)
• Research Experience for Teachers at NRAO-Green Bank: Comparing the Galactic Center at 5 GHz and 10 GHz (Jan 2004 AAS Meeting in Atlanta; Ciccarelli & Maddalena; PowerPoint 3 MBytes)

Evolved Stars:

• Evolved stars with high velocity H2O maser features - Bipolar outflows with velocity symmetry (1992, Likkel, Lauren; Morris, Mark; Maddalena, Ronald J.)
• Carbon stars with oxygen-rich circumstellar envelopes? (1989, Zuckermann, B.; Maddalena, R. J.)
• Time-Variations of the High Outflow Velocity H2O Emission from the Stars IRAS1634-3814, IRAS19134+2131, and W43A (1988, Likkel, L.; Maddalena, R. J.; Morris, M.)

Instrumentation, Weather, Data Analysis, and Techniques:

Weather

• Accurate Weather Forecasting for Radio Astronomy (Maddalena, 2010, Bulletin of the American Astronomical Society, Vol. 42, p.406, PDF 2.0 MBytes).
  
• Accurate Weather Forecasting for Radio Astronomy (Maddalena; Technical Seminar; 2009; PDF 1.1 MBytes)
• Weather Forecasting for Radio Astronomy (Maddalena; Presentation for the 2009 REU Students; 2009; PDF 0.8 MBytes)
• Weather Forecasting For Radio Astronomy: Part I The Mechanisms and Physics (Maddalena; Technical Seminar; 2008, PDF 1.5 MBytes)
• Research Experience for Teachers at NRAO-Green Bank: Predicting Good Observing Periods for High Frequency Radio Astronomy (Maciolek & Maddalena, 2000, Poster presented at the AAS Meeting)

Calibration

• Calibration Primer (Maddalena, November 2012) (PDF 0.5 MBytes) or PowerPoint (0.9 MBytes)
  
• Accurately Measuring the Spillover of a Radio Telescope (Maddalena & Mattox, 2011, Poster presented at the AAS Meeting; PDF 2.1 MBytes)
• Theoretical Ratio of Beam Efficiency to Aperture Efficiency (Maddalena, 2010, GBT Memo, 1 MByte)
  
• High Precision Calibration of Wide Bandwidth Observations with the GBT -- (Maddalena, 2007, Paper presented at the URSI  meeting in Ottawa, ON; PowerPoint 1.2 MBytes)
• High-Precision Calibration, Baselines and Nonlinearities with the GBT (Hynes, Maddalena, & Figura, 2007, Poster presented at the AAS Meeting, PDF 1.3 MBytes)
• High-Precision Calibration of Data from Single-Dish Radio Telescopes (Maddalena and Johnson, 2006, Poster presented at the AAS Meeting; PDF 4.5 MBytes)
• Obtaining High Precision HI Fluxes for Galaxies (van Zee, Maddalena, Haynes, Hogg, & Roberts, 1997, AJ, 113, 1638)

GBT Commissioning, Software, and Instrumenation

• Update on Data Processing with the GBT (2007, Garwood, R. W.; Braatz, J. A.; Maddalena, R. J.; Marganian, P.; Minter, A. H)
• GBTIDL: A New Package for Reduction and Analysis of GBT Spectral Line Data (2006, Marganian, P.; Garwood, R. W.; Braatz, J. A.; Radziwill, N. M.; Maddalena, R. J.)
• Increasing the Accessibility of Green Bank Telescope Data (2004, O'Neil, K.; Radziwill, N.; Maddalena, R.)
• The Green Bank Telescope: Current Status and Early Results (Prestage & Maddalena, 2003,  "Proceeding of SPIE Vol. 4837"; PDF 1.3 Mbytes)
• The User Interfaces for the NRAO-Green Bank Telescope (Maddalena, 2003 "Proceeding of SPIE Vol. 4848"; PDF 1.9 Mbytes)
• Early Results from the Robert C. Byrd Green Bank Telescope (January 2002; JPG 618 Kbytes)
• Status of the Green Bank Telescope : First Reports on Outfitting and Commissioning (January 2001; JPG 970 Kbytes)
• The Orion Nebula in 3.6 cm Continuum Emission: The First Combination of VLA and GBT Data (2001, Shepherd, D. S.; Maddalena, R.; MCMullin, J. P.)
• Data Reduction and Analysis Techniques from "The Proceedings of the 2001 NAIC-NRAO Single Dish School" (PDF: 2.1 MBytes).

Miscelaneous

• The Green Bank Telescope : User Interfaces (January 2000; JPG 1030 Kbytes)
• A Survey of Remote Observing Capabilities (1993, Maddalena, R. J.; Clark, M. H.)

Science Education:

• Dark Skies are a Universal Resource. So Are Quiet Skies! (Maddalena & Heatherly); Poster presented at the 2008 AAS meeting in St. Louis for the IYA; PowerPoint 1 MByte)
• Research Experience for Teachers at NRAO-Green Bank: Identifying Extended Regions of Neutral Hydrogen Surrounding Isolated Galaxies (2007, McCarty, Amy; Pisano, D. J., III; Maddalena, R. J.)
• Research Experience for Teachers at NRAO-Green Bank: Comparing the Galactic Center at 5 GHz and 10 GHz (Jan 2004 AAS Meeting in Atlanta; Ciccarelli & Maddalena; PowerPoint 3 MBytes)
• Research Experience for Teachers at NRAO-Green Bank: Predicting Good Observing Periods for High Frequency Radio Astronomy (2000, Maciolek, A. A.; Maddalena, R. J.)
• Recent Activities and Lessons Learned from the NRAO-Green Bank Science Education Programs (1999, Maddalena, R. J.; Heatherly, S. A.)
• Tools to Assess the Impact of Teacher Enhancement Programs (1997, Heatherly, S. A.; Maddalena, R. J.; Govett, A.; Hemler, D.)
• Learning to Investigate the Universe: Immersing Science Teachers in Research (1993, Maddalena, R. J.; Heatherly, S.)

• A 1.1-1.9 GHz SETI Survey of the Kepler Field. I. A Search for Narrow-band Emission from Select Targets (2013, Siemion, Demorest, Korpela, Maddalena et al).
  

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