IU Web Directory

Name: Phan Bảo Ngọc
Position: Dean of Department
Title: Associate Professor
  • BS: Hue University, 1997
  • MSc: Pierre and Marie Curie University (Paris VI), France, 2000
  • PhD: Pierre and Marie Curie University (Paris VI), France, 2002
  • 2009-present: Chair of Department of Physics, HCMC International University, Vietnam
  • 2007-present: Visiting scholar, Academia Sinica Institute of Astronomy and Astrophysics, Taiwan
  • 2006-2007: Postdoctoral Fellow, Physics Department, University of Central Florida, USA
  • 2004-2005: Postdoctoral Fellow, Academia Sinica Institute of Astronomy and Astrophysics, Taiwan
  • 2003-2004: Lecturer, Physics Department, Hue University, Vietnam
  • Low-mass star, brown dwarf formation
  • Photometry, astrometry and spectroscopy of low-mass stars and brown dwarfs
  • Low-mass, brown dwarf binaries
  • Magnetic activity in ultracool dwarfs
  • Magnetic field measurement in low-mass stars
  • Protoplanetary disks around ultracool dwarfs

 Refereed Publications (SCI):

  • Phan-Bao, N., et al., Detection of lithium in nearby young late-M dwarfs, submitted to A&A, 2016
  • Dang-Duc, C., Phan-Bao, N., Dao-Van, D. T., Two confirmed class I very low-mass objects in Taurus, Astronomy and Astrophysics Letters, 588, L2, 2016
  • Phan-Bao, N., Lee, C. F., Ho, P., Dang-Duc, C., Li, D., Characterization of Molecular Outflows in The Substellar Domain, ApJ, 793, 1, 2014
  • Phan-Bao, N., Lee, C. F., Ho, P., E., Martin, Submillimeter Array Observations of the proto brown dwarf SSTB213, A&A, 564, A32, 2014
  • R. Deshpande, E. L. Martín, M. M Montgomery, M. R. Zapatero Osorio, F Rodler,C. del Burgo, N. Phan-Bao, Y. Lyubchik, R. Tata, H. Bouy, Y. Pavlenko,  Intermediate Resolution Near-Infrared Spectroscopy of 36 late-M Dwarfs , The Astronomical Journal, 144, 99, 2012
  • Riaz, B.; Martín, E. L.; Tata, R.; Monin, J.-L.; Phan-Bao, N.; Bouy, H., Young steller objects in NGC 6823, Monthly Notices of the Royal Astronomical Society, 419,3,1887-1912, January 2012
  • Phan-Bao, N., Maximum Reduced Proper Motion Method: Detection of New Nearby Ultracool Dwarfs, AN, 332, 668, 2011 (Editor's Choice)
  • Phan-Bao, N., Lee, Chin-Fei., Ho, P. T. P., Tang, Ya-Wen, Molecular Outflows in the Substellar Domain: Millimeter Observation of Young Very Low Mass Objects in Taurus and rho Ophiuchi, ApJ, 735, 14, 2011 (NAFOSTED News - Vietnamese)
  • Martín, E. L., Phan-Bao, N., Bessell, M., Delfosse, X., Forveille, T., Magazzù, A., Reylé, C., Bouy, H., Tata, R., Spectroscopic characterization of 78 DENIS ultracool dwarf candidates in the solar neighborhood and the Upper Scorpii OB association, Astronomy and Astrophysics, 517, 53, 2010
  • Berger, E.; Basri, G., Fleming, T. A., Giampapa, M. S., Gizis, J. E., Liebert, J., Martín, E. L., Phan-Bao, N., Rutledge, R. E., Simultaneous Multi-Wavelength Observations of Magnetic Activity in Ultracool Dwarfs. III. X-ray, Radio, and Hα Activity Trends in M and L dwarfs, The Astrophysical Journal, 709, 332, 2010
  • Tata, R., Martín, E. L., Sengupta, S., Phan-Bao, N., Zapatero Osorio, M. R., Bouy, H., Optical linear polarization in ultra cool dwarfs. A tool to probe dust in the ultra cool dwarf atmospheres, Astronomy and Astrophysics, 508, 1423, 2009
  • Phan-Bao, Ngoc, Lim, Jeremy, Donati, Jean-François, Johns-Krull, Christopher M.;, Martín, Eduardo L., Magnetic Field Topology in Low-Mass Stars: Spectropolarimetric Observations of M Dwarfs, The Astrophysical Journal, 704, 1721, 2009
  • Osten, Rachel A., Phan-Bao, N., Hawley, Suzanne L., Reid, I. Neill, Ojha, Roopesh,Steady and Transient Radio Emission from Ultracool Dwarfs, The Astrophysical Journal, 700, 1750, 2009
  • Berger, E., Rutledge, R. E., Phan-Bao, N., Basri, G., Giampapa, M. S., Gizis, J. E., Liebert, J., Martín, E. L., Fleming, T. A., Periodic Radio and Hα Emission from the L Dwarf Binary 2MASSW J0746425+200032: Exploring the Magnetic Field Topology and Radius Of An L Dwarf, The Astrophysical Journal, 695, 310, 2009
  • Phan-Bao, N., et al., First Confirmed Detection of a Bipolar Molecular Outflow from a Young Brown Dwarf, The Astrophysical Journal Letters, 689, L141, 2008 (Harvard Gazette)
  • Phan-Bao, N., Bessell, M. S., Martín, E. L. et al., Discovery of new nearby L and late-M dwarfs at low Galactic latitude from the DENIS database, MNRAS, 383, 831, 2008
  • Berger, E., Basri, G., Gizis, J. E., Giampapa, M. S., Rutledge, R. E., Liebert, J.,Martín, E. L., Fleming, T. A., Johns-Krull, C. M., Phan-Bao, N., Sherry, W. H.,Simultaneous Multi-Wavelength Observations of Magnetic Activity in Ultracool Dwarfs. II. Mixed Trends in VB10 and LSR1835+32 and the Possible Role of Rotation, The Astrophysical Journal, 676, 1307, 2008
  • Berger, E., Gizis, J. E., Giampapa, M. S., Rutledge, R. E., Liebert, J., Martín, E. L., Basri, G., Fleming, T. A., Johns-Krull, C. M., Phan-Bao, N., Sherry, W. H.,Simultaneous Multi-Wavelength Observations of Magnetic Activity in Ultracool Dwarfs. I. The Complex Behavior of the M8.5 Dwarf TVLM513-46546, The Astrophysical Journal, 673, 1080, 2008
  • Phan-Bao, N., Osten, R. A., Lim, J., Martín, E. L., Ho, P. T. P., Discovery of radio emission from the tight M8 binary, The Astrophysical Journal, 658, 553, 2007
  • Phan-Bao, N.Martín, E. L., Donati, J.-F, Lim, J., Magnetic Fields in M Dwarfs: Rapid Magnetic Field Variability in EV Lacertae, The Astrophysical Journal Letters, 646, L73, 2006
  • Phan-Bao, N., Forveille, T., Martín, E. L., Delfosse, X., LP 714-37: A Wide Pair of Ultracool Dwarfs Actually Is a Triple, The Astrophysical Journal Letters, 645, L153, 2006
  • Phan-Bao, N., Bessell, M. S., Martín, E. L., et al., Discovery of a nearby M9 dwarf, MNRAS Letters, 366, L40, 2006
  • Phan-Bao, N., Bessell, M. S., Spectroscopic distances of nearby ultracool dwarfs, Astronomy and Astrophysics, 446, 515, 2006
  • Phan-Bao, N., Martin, E. L., Reyle, C., Forveille, T., Lim, J., Widely separated binary systems of very low-mass stars, AN, 326, 1031, 2005
  • Crifo, F., Phan-Bao, N., Delfosse, X., Forveille, T., Guibert, J., Martín, E. L., Reyle, C., New neighbours. VI. Spectroscopy of DENIS nearby stars candidates, Astronomy and Astrophysics, 441, 653, 2005
  • Phan-Bao, N.Martín, E. L., Reyle, C., Forveille, T., Lim, J., Discovery of a widely separated binary system of very low mass stars, A&A Letters, 439, L19, 2005
  • Phan-Bao, N., Crifo, F., Delfosse, X., Forveille, T., Guibert, J., Borsenberger, J., Epchtein, N., Fouque, P., Simon, G., Vetois, J., New neighbours. V. 35 DENIS late-M dwarfs between 10 and 30 parsecs, Astronomy and Astrophysics, 401, 959, 2003
  • Phan-Bao, N., Guibert, J., Crifo, F., Delfosse, X., Forveille, T., Borsenberger, J., Epchtein, N., Fouque, P., Simon, G., New neighbours: IV. 30 DENIS late-M dwarfs between 15 and 30 parsecs, Astronomy and Astrophysics, 380, 590, 2001 

Non-Refereed, non-ISI Publications:

  • Phan-Bao, N., et al., The Coldest Stars in the UniverseXth International Conference on Gravitation, Astrophysics and Cosmology, Quy Nhơn, VietNam, Dec. 17-22, 2011, in press, 2013 (invited)
  • Phan-Bao, N., Molecular Outflows and The Origin of Brown Dwarfs, Journal of Science, Trường ĐHSP Tp.HCM (ISSN: 1859-3100), 47, 148, 2013
  • Phan-Bao, N., Lee, C. F., Ho, P., Martin, E., Tho, Do D., Outflows and disks of brown dwarfs with SMA, CARMA and ALMA,
    Hot Planets and Cool Stars, Max Planck, Garching, Germany, Edited by Roberto Saglia; EPJ Web of Conferences, Volume 47, id.14001, 2013 (invited)
  • Ngoc, P.-B., Lee, C.-F., Ho, P., SMA and CARMA observations of young brown dwarfs in rho Ophiuchus and Taurus, Research, Science and Technology of Brown Dwarfs and Exoplanets: Proceedings of an International Conference held in Shangai on Occasion of a Total Eclipse of the Sun, Shangai, China, Edited by E.L. Martín, J. Ge, W. Lin; EPJ Web of Conferences, Volume 16, 2011 (invited)
  • Phan-Bao, N., Molecular outflows in the substellar domain: new constraint on brown dwarf formation, Proceedings of IAU-Vietnam Workshop on Astronomy and Astrophysics, HCMC University of Pedagogy, HCM city, 70-79, 2011
  • Schmidt, Sarah J., Osten, R. A., Hawley, S. L, Ngoc, P., Reid, N., X-ray and Radio Observations of LP394-25, American Astronomical Society, ASS Meeting #217, #242.18; Bulletin of the American Astronomical Society, Vol. 43, 2011
  • Phan-Bao, N., Physical properties and the origin of brown dwarfs, Proceedings of Nuclear Physics, High Energy Physics and Astrophysics (NPHEAP-2010), Science and Technics Publishing House, Hanoi, 7, 124, 2010 (invited)
  • Deshpande, Rohit, Martin, E. L., Montgomery, M. M., Phan-Bao, N., Zapatero-Osorio, M., Bouy, H., Tata, R. 2008, American Astronomical Society, AAS Meeting #211, #159.03, The NASA Keck/NIRSPEC Radial Velocity Search for Giant Exoplanets around M Dwarfs 
  • Osten, Rachel A., Phan-Bao, N., Ojha, R. 2007, American Astronomical Society, AAS Meeting #211, #103.02, The Characteristics of Radio Emission from the Ultracool Dwarf Binary LP 349-25 
  • Deshpande, Rohit, Martin, E. L., Montgomery, M. M., Zapatero-Osorio, M. R., Tata, R., Phan-Bao, N., Bouy, H. 2007, American Astronomical Society, DPS meeting #39, #22.09, The Keck/NIRSPEC Search for Giant Exoplanets around Late M-dwarfs
  • Martin, Eduardo, Tata, Ramarao, Deshpande, Rohit, Ngoc-Phan Bao, Las Cswg, Ukidss, Forveille, Thierry 2007, NOAO Proposal ID #2007A-0180, Infrared parallaxes for T/Y dwarfs from CFHTLS and UKIDSS 
  • Tata, R., Martin, E. L., Kendall, T., Jameson, R., Magazzu, A., Barrado Y Navascues, D., Phan-Bao, N. 2006, Exploiting Large Surveys for Galactic Astronomy, 26th meeting of the IAU, Joint Discussion 13, 22-23 August 2006, Prague, Czech Republic, JD13, #27,First Brown Dwarfs from the UKIRT Infrared Deep Sky Survey (UKIDSS) 
  • Phan-Bao, N., Bessell, M. S. 2006, VizieR On-line Data Catalog: J/A+A/446/515, Distances of nearby ultracool dwarfs (Phan-Bao+, 2006) 
  • Crifo, F., Phan-Bao, N., Delfosse, X., Forveille, T., Guibert, J., Martin, E. L., Reyle, C. 2005, VizieR On-line Data Catalog: J/A+A/441/653
    32 DENIS nearby red dwarfs (Crifo+, 2005)
  • Phan-Bao, N., Crifo, F., Delfosse, X., Forveille, T., Guibert, J., Borsenberger, J., Epchtein, N., Fouque, P., Simon, G., Vetois, J. 2005, VizieR On-line Data Catalog: J/A+A/401/959, 35 DENIS late-M dwarfs between 10 and 30pc (Phan-Bao+, 2003)
  • Phan-Bao, N., Vo, T., Nguyen, B.A., Exact solutions and quantum noises of an interacting x-m-gamma system, Proc. NCST of Vietnam, 11, 41, 1999


Physics 1:

Lecture 1   Lecture 2   Lecture 3   Lecture 4   Lecture 5   Lecture 6   Lecture 7   Lecture 8   Lecture 9   Lecture 10   Lecture 11   Assignment (Deadline: TBD)   Lecture 12   

Physics 2:

Lecture 1   Lecture 2 (updated on March 4th)   Lecture 3 (updated on March 4th)   Lecture 4   Lecture 5   Lecture 6   Lecture 7   Lecture 8   Lecture 9   Lecture 10   Lecture 11 (updated on May 17 2016)  Assignment (Deadline: TBD)  Lecture 12   Homework

Physics 3:

Lecture 1   Lecture 2   Lecture 3   Lecture 4   Lecture 5   Lecture 6   Lecture 7 (updated on March 25th)   Lecture 8   Lecture 9   Lecture 10 (updated on April 8th)

Midterm Review   Lecture 11   Lecture 12   Lecture 13   Lecture 14   Lecture 15   Lecture 16   Assignment (Deadline: TBD)   Lecture 17   Lecture 18   Final Exam Review



  • Henri Chretien 2007

Professional Activities:

  • Referee for The Astrophysical Journal, The Astronomical Journal, Astronomy and Astrophysics