Giampaolo Piotto



Pubblications List


(May, 2000 Updated)





Papers Published on International Referred Journals


  1. Piotto, G., Capaccioli, M., Ortolani, S., Rosino, L., Alcaino, G., and Liller, W. 1987: ``c-m diagram and luminosity function of the galactic globular cluster NGC 7099. I. Photographic photometry'', Astron. J., 94, 360.
  2. Capaccioli, M., Piotto, G., and Rampazzo R. 1988: ``Photographic and CCD surface Photometry of nine early-type galaxies'', Astron. J. , 96, 487.
  3. Piotto, G., King I.R., and Djorgovski S. 1988: ``Color and population gradients in the core of the post-collapse globular cluster M30'', Astron. J., 96, 1918.
  4. Piotto, G., King I.R., Capaccioli, M., Ortolani S., and Djorgovski, S. 1990: ``Deep luminosity function of the globular cluster M30'', Astroph. J., 350, 662.
  5. Capaccioli, M., Ortolani, S., Piotto G. 1991: Empirical Correlation between Globular Cluster parameters and Mass Function Morphology, Astron. & Astrophys., 244, 298.
  6. Djorgovski S., Piotto G., Phinney E.S., and Chernoff D.F. 1991: Modification of Stellar Population in Post-Core-Collapse Globular Clusters, Astrophys. J. Lett., 372, L41.
  7. Ferraro, F.R., Piotto, G. 1992 Deep luminosity functions of globular clusters. IV. NGC 6171, Monthly Notices of the Royal Astronomical Society, 255, 71.
  8. Capaccioli, M., Piotto, G., Bresolin, F. 1991: On the Cepheid Variables of the Nearby Irregular Galaxy NGC 3109, Astron. J., 103, 1151.
  9. Zaggia, S., Capaccioli, M., Piotto, G., Stiavelli, M. 1991, High Resolution Kinematics of Galactic Globular Clusters. I, Astron. & Astrphys., 258, 302.
  10. Zaggia, S., Capaccioli, M., Piotto, G., 1992, Multiple Stars and the Velocity Dispersion Measurements in Globular Clusters, Astron. & Astrphys., 265, 43.
  11. Djorgovski, G., Piotto, G. 1992, Dynamical Evolution Effects on the Hot Stellar Population in Globular Clusters, Astron. J., 104, 2112.
  12. Bresolin, F., Capaccioli, M., Piotto, G. 1993 The dwarf Galaxy NGC 3109, Astron. J., 105, 1779.
  13. Fusi Pecci, F., Bellazzini, M., Djorgovski, G., Ferraro, F.R., Piotto, G., Buonanno, R. 1993, On the Impact of Star Environment Conditions on HB-Morphologies of Galactic Globular Clusters, Astron. J., 105, 1145
  14. Capaccioli, M., Piotto, G., Stiavelli, M. 1993: Disk Shocking and the Mass Function of Globular Clusters, Montly Notices of the Roy. Astron. Soc., 261, 819.
  15. Djorgovski, S., Piotto, G., Capaccioli, M. 1993: What determines the stellar mass function in globular clusters?, Astron J., 105, 2148.
  16. Zaggia, S., Capaccioli, M., Piotto, G. 1993, High Resolution Kinematics of Galactic Globular Clusters. II. On the significance of the velocity dispersion measurements, Astron. & Astrphys., 278, 415.
  17. Bhatia, R., Piotto G. 1993: Wide Area Color-Magnitude Diagrams of the LMC cluster NGC 2214, Astron. & Astroph., 283, 424.
  18. Piotto, G., Capaccioli, M., Pellegrini, C. 1993: On the Cepheid Variables of Nearby Galaxies. II. Sextans A and Sextans B, Astron. & Astroph., 287, 371.
  19. Smith, J.D., Djorgovski, S., Thompson, D., Brisken, W.F., Neugebauer, G., Matthews, K., Meylan, G., Piotto, G., Suntzeff, N.B. 1994: Multicolor Detection of High-Redshift Quasars: II. Five Objects with z>4, 1994 Astron. J., 108, 1147.
  20. Smith, J.D., Djorgovski, S., Thompson, D., Brisken, W.F., Neugebauer, G., Matthews, K., Meylan, G., Piotto, G., Suntzeff, N.B. 1994: Erratum: Multicolor Detection of High-Redshift Quasars: II. Five Objects with z>4, 1994 Astron. J., 110, 439.
  21. Piotto, G., Capaccioli, M., Musella, I., D'Onofrio M. 1995, Reddening Free Distance Determination via Cepheid Variables Plan. and Space Science, 43, 1405.
  22. Cool, A.M., Piotto, G., King, I.R., 1996, The Lower Main Sequence and the White Dwarf Sequence in NGC 6397, Astrophys. J., 468, 655.
  23. I. Saviane and E. Held and G. Piotto, 1996, CCD Photometry of the Tucana Dwarf Galaxy, Astron. & Astrophys., 315, 40.
  24. Piotto, G., Cool, A.M., King, I.R. 1997, A Comparison of Deep HST Luminosity Functions of Four Globular CLusters, Astron. J., 113, 1345.
  25. Sosin, C., Dorman, B., Djorgovski, .G., Piotto, G., Rich, R.M., King, I.R., Liebert, J., Phinney, E.S., Renzini, A. 1997, Peculiar Multimodality on the Horizontal Branch of the Globular Cluster NGC 2808, Astrophys. J. Letters, 480, L35.
  26. Rich, R.M., Sosin, C., Djorgovski, G., Piotto, G., King, I.R., Renzini, A., Phinney, E.S., Dorman, B., Liebert, J., Meylan, G., 1997, Discovery of Extended Blue Horizontal Branches in Two Metal Rich Globular Clusters, Astrophys. J. Letters, 484, L25.
  27. Musella, I., Piotto, G., Capaccioli, M., 1997, On the Cepheid Variables of Nearby Galaxies. III. NGC 3109, Astron. J., 114, 976.
  28. Zaggia, S., Piotto, G., Capaccioli, M. 1997, The Globular Cluster M55, Astron. & Astrophys. 327, 1004.
  29. Rosenberg A., Saviane, I., Piotto, G., Aparicio, A., Zaggia, S. 1998, Pal 1: Another young globular cluster?, Astron. J., 115, 648.
  30. King, I.R., Anderson, J., Cool, A.M., Piotto, G. 1998, The Luminosity Function of the Globular Cluster NGC 6397 Near the Limit of the Hydrogen Burning, Astrophys. J. Letter, 492, L37.
  31. Saviane, I., Piotto, G., Zaggia, S., Fagotto, F., Capaccioli, M., Aparicio, A., 1998, New VI CCD photometry of NGC 1851, Astron. & Astrophys., 333, 479.
  32. Rosenberg A., Saviane, I., Piotto, G., Aparicio, A., R. Gratton 1998, The metallicity of the Palomar 1, Astron. J., 115, 658.
  33. Brocato, E., Castellani, V., Scotti, G., Saviane, I., G. Piotto, F. Ferraro, 1998, CCD Photometry of M80 and the Ranking of the CMDs of Galactic Globulars, Astron. & Astrophys., 335, 929.
  34. Zoccali, M., Piotto, G., Zaggia, S., Capaccioli, M. 1998, Unveiling the IMF of Galactic Globular Clusters: the Case of NGC 1261, Astron. & Astrophys., 331, 541.
  35. Rosenberg, A., Saviane, I., Piotto, G., Held, E. 1998, Young Galactic Clobular Clusters. II. The case of Pal 12, Astron. & Astrophys., 339, 61.
  36. Piotto, G., Zoccali, M., King, I., Djorgovski, G., Sosin, C., Dorman, B, Rich, M. 1998, HST Observations of Galactic Globular Cluster Cores. I. NGC 6362 and NGC 6934, Astron. J., 117, 264.
  37. Piotto, G., Zoccali, M. 1999, HST Luminosity Functions of the Galactic Globular Clusters: M10, M22, M55, Astron. & Astrophys., 345, 485.
  38. Piotto, G., Zoccali, M.,King, I., Djorgovski, G., Sosin, C., Rich, M., Meylan, G. 1999, HST Observations of Galactic Globular Cluster Cores. II. NGC 6273 and the Problem of Horizontal-Branch Gaps, Astron. J., 118, 1727.
  39. Zoccali, M., Cassisi, S., Piotto, G., Bono, G., Salaris, M. 1999, Comparison Between Predicted and Empirical Delta VbumpHBin Galactic Globular Clusters, Astrophys. J. Lett., 518, L49.
  40. Rosenberg, A., Saviane, I., Piotto, G., Aparicio, A., 1999, Galactic Globular Cluster Relative Ages, Astron. J., 118, 2306.
  41. Behr, B.B., Djorgovski, S.G., Cohen, J.G., McCarthy, J.K., Cote', P., Piotto, G., Zoccali, M., 2000, A New Spin on the Problem of HB Gaps: Stellar Rotation along the Blue Horizontal branch of Globular Cluster M13, Astrophys. J., 528, 849.
  42. Seleznev, A.F., Carraro, G., Piotto, G., Rosenberg, A., 2000. Luminosity function for the cluster Palomar 1: test of a new method Astronomy Report, 44, 12.
  43. Rosenberg, A., Piotto, G., Saviane, I., Aparicio, A., 2000, Photometric Catalog of Nearby Globular Clusters (I)., Astron. & Astrophys. Suppl., 144, 5.
  44. Rosenberg, A., Aparicio, A., Saviane, I., Piotto, G., 2000, Photometric Catalog of Nearby Globular Clusters (II)., Astron. & Astrophys. Suppl., subm.
  45. Saviane, I., Rosenberg, A., Piotto, G., Aparicio, A., 2000, The Red Giant Branches of Galactic Globular Clusters in the [(V-I)0,MV] plane: metallicity indeces and morphology, Astron. & Astrophys., 355, 966.
  46. Cassisi, S., Castellani, V., Ciarcelluti, P., Piotto, G., Zoccali, M., 2000, Galactic Globulars as a Test for Very Low-Mass Stellar Structures, Mon. Not. R. Astron. Soc., in press.
  47. Pancino, E., Ferraro, F.R., Bellazzini, M., Piotto, G., Zoccali, M., 2000, New Evidences for the Complex Structure of the Red Giant Branch in omega Cen, Astrophys. J. Lett., 534, L83.
  48. Zoccali, M., Cassisi, S., Bono, G., Piotto, G., Djorgovski, S.G., Rich, M.R., 2000, On the Helium Content of Galactic Globular Clusters via the R Parameter, Astrophys. J. Lett., in press.
  49. Zoccali, M., Piotto, G., 2000, Observational Constraints on the Red Giant branch Luminosity Functions of Galactic Globular Clusters, Astron. & Astrophys., in press.
  50. Castellani, V., Degl'Innocenti, S., Petroni, S., Piotto., G., 2000, A Deep Test of BS Galactic Models, Mon. Not. R. Astron. Soc., subm.
  51. Bedin, L.R., Piotto, G., Zoccali, M., Stetson, P.B., Saviane, I., Cassisi, S., Bono, G., 2000, The anomalous Galactic Globular Cluster NGC 2808, Astron. & Astrophys., subm.



    Papers Published On Other Journals
    (internal referee)


  52. Weir N., Piotto G., and Djorgovski S. 1990: High Resolution Imaging of Globular Cluster Cores, The Messenger, 62, 48.
  53. Ortolani, S., Piotto, G., Capaccioli, M. 1989: ``Does the Mass Function of the Galactic Globular Clusters Depend Upon Metallicity?'', The Messenger, 56, 54.
  54. F. Bresolin, M. Capaccioli, and G. Piotto 1990: The stellar content of the dwarf galaxy NGC 3109, The Messenger, 60, 36.
  55. Tammann, G. A., Binggeli, B., Capaccioli, M., Della Valle, M., Giraud, E., Kraan-Korteg, R., Piotto, G., Sandage, A., Veron, M.P., Veron, P., Wagner, S., West, R.M. 1991: The distance of the Centaurus Group - a test for various distance indicators, The Messenger, 63, 8.



    Review Papers
    Da Relazioni di Rassegna su Invito Presentati da G. Piotto


  56. Piotto G. 1991, Properties of Globular Cluster Mass Functions, in Formation and Evolution of Star Clusters, ed. K. Janes, A.S.P. Conference Series, p.200.
  57. Piotto, G., Capaccioli, M., Bresolin, F. 1992: On the Calibration of the Distance to Nearby Galaxies, in New Results on Standard Candles, ed. F. Caputo, Mem. Soc. Astron. It., 63, 465.
  58. Djorgovski S., Piotto, G. 1993: Color and Population Gradients in Globular Clusters, in Dynamics of Globular Clusters ed. S. Djorgovski and G. Meylan, p. 203.
  59. Piotto, G. 1993: The effect of dynamical evolution on globular cluster luminosity and mass function, in Dynamics of Globular Clusters ed. S. Djorgovski and G. Meylan, p. 233.
  60. Piotto, G., Cool, A.M., King, I.R. 1996, Stellar Luminosity and Mass Functions of Globular Clusters, in Dynamical Evolution of Star Clusters - Confrontation of Theory and Observations, eds. J. Makino and P. Hut, p. 71.
  61. King, I., Piotto, G., Cool, A.M., Anderson, J., Sosin, C. 1996, HST Observations of Faint Stars in Globular Clusters, in Science with the Hubble Space Telescope - II, eds. P. Benvenuti, F. D. Macchetto, and E. J. Schreir, p. 297
  62. Piotto, G., Djorgovski, G., Sosin, C., King, I., Dorman, B., Liebert, J., Renzini, A., Rich, M. 1996, HST Observations of the Stellar Population in High Density Globular Cluster Cores, in Advances in Stellar Evolution, R. Rood and A. Renzini, p. 84
  63. Piotto, G., Rosenberg, A., Saviane, I., Zoccali, M. 1998, in The third Mount Stromlo Symposium: The Galactic Halo, ed. J. Norris, in press.
  64. Piotto, G., Rosenberg, A., Saviane, I., Zoccali, M., Aparicio, A., 2000 Galactic Globular Cluster Relative Ages: Clues on the Milky Way Early Evolution, ed. F. Matteucci and F. Giovannelli, in press.



    Technical Papers/Reports


  65. Weir N., Piotto G., and Djorgovski S. 1990: High Resolution Imaging of Globular Cluster Cores, The Messenger, 62, 48.
  66. Weir N., Djorgovski S., Piotto G. 1990: A Maximum Entropy Deconvolution Approach to Photometry in Globular Clusters, Bull. Am. Astron. Soc., 22, 1290.
  67. Ortolani, S., Paresce, F., Piotto, G., Di Serego, S. 1993 Functions and Requirements for the Optical Imager of Galileo (OIG) and the Nasmyth 1 Instrument Interface, Rapporto Tecnico per il Galileo Project.
  68. Di Serego, S., Bonaccini, D., Oliva, E., Piotto, G., Ragazzoni, R., Richichi, A. 1994, Final Report of the Scientific Committee on Adaptive Optics for the TNG Rapporto Tecnico per il Galileo Project.
  69. Arnaboldi, M., Boulesteix, J., Freeman, K.C., Gregorini, L., Iovino, A., Longo, G., Maccacaro, T., mellier, Y., Meylan, G., Piotto, G., Scaramella, R., Vettolani G., 1997, TT2 2.5m Alt-Az Telescope: Scientific Case, OAC.



    Other Papers and
    Papers Published on Conference Reports


  70. Capaccioli, M., Ortolani, S. and Piotto, G. 1988: ``New CCD photometry of the Globular Cluster NGC 7099'', in Proceeding of the ESO Workshop on Stellar Evolution and Dynamics in the Outer Halo of the Galaxy, ed. M. Azzopardi and F. Matteucci, pg. 393.
  71. Capaccioli, M., Ortolani, S. and Piotto, G. 1988: ``c-m diagram of the Dwarf Irregular galaxy UKS 2323'' in Proceeding of the ESO Workshop on Stellar Evolution and Dynamics in the Outer Halo of the Galaxy, ed. M. Azzopardi and F. Matteucci, pg. 281.
  72. Piotto, G., Capaccioli, M., Ortolani, S., Rosino, L., Alcaino, G., and Liller, W. 1988: ``Photographic photometry of 4500 stars in M30'', in Proceedings of the IAU Symp. n. 126, ``Globular Cluster Systems in Galaxies'', ed. J.E. Grindlay and A.G. Davis Philip, pg. 625.
  73. Djorgovski, S., Piotto, G., and King, I.R. 1989: ``Color and Population gradients in globular clusters cores'', in Proceedings of the CITA Workshop ``Dynamics of Dense Stellar Systems'', ed. D. Merrit, p. 147.
  74. Djorgovski S., and Piotto G. 1990: Stellar Population Changes in Post-Core-Collapse Globular Clusters, Bull. Am. Astron. Soc., 22, 1285.
  75. Stiavelli M., Piotto G., Capaccioli M. 1992: Globular Clusters as Probes of the Galactic Potential, in Morphological and Physical Classification of Galaxies, eds. Longo, Busarello, Capaccioli, Springer-Verlag, 455.
  76. Djorgovski S., Piotto G., and Mallen-Ornelas G. 1991: Color and population gradients in globular clusters, in Formation and Evolution of Star Clusters, ed. K. Janes, A.S.P. Conference Series, p. 262.
  77. Stiavelli M., Piotto G., Capaccioli M., and Ortolani S. 1991: Disk-shocking and the mass function of globular clusters, in Formation and Evolution of Star Clusters, ed. K. Janes, A.S.P. Conference Series, p. 449.
  78. Bresolin F., Piotto G., Capaccioli M. 1992: Mapping the Star Formation in the Magellanic Irregular NGC 3109, in Morphological and Physical Classification of Galaxies, eds. Longo, Busarello, Capaccioli, Springer-Verlag, p. 447.
  79. Zaggia S., Piotto, G. and Capaccioli, M. 1991: ESO CASPEC central velocity dispersion measurements in M30 and six other centrally concentrated globular clusters, in Formation and Evolution of Star Clusters, ed. K. Janes, A.S.P. Conference Series p. 458.
  80. Capaccioli, M., Piotto, G., Bresolin, F. 1991: Cepheids Variables of the Nearby Galaxy NGC 3109, in Galaxy Environments and the Large Scale Structure of the Universe, eds. Giuricin, G., Mardirossian, F., Mezzetti, M., SISSA Ref. 146/91/A.
  81. Piotto, G. 1992: Galactic Globular Clusters Mass Functions, in Star Clusters and Stellar Evolution, eds. E. Brocato, F. Ferraro, G. Piotto, Mem. Soc. Astron. It., 63, 101.
  82. Zaggia, S., Capaccioli, M., Piotto, G. 1992: On the Velocity Dispersion Measurements for Galactic Globular Clusters, in Star Clusters and Stellar Evolution, eds. E. Brocato, F. Ferraro, G. Piotto, Mem. Soc. Astron. It., 63, 211.
  83. Djorgovski, S., Piotto, G., 1992, Stellar Population Changes in Post-Core-Collapse Globular Clusters, in The Stellar Population of Galaxies, IAU Symp. 149, eds. Barbuy and Renzini, p. 413.
  84. Piotto, G.,Ortolani S. 1993: Deep Luminosity Functions of Globular Clusters: NGC 6121 and NGC 6397, in The Globular Cluster - Galaxy Connection ed. J. Brodie, p. 214.
  85. Piotto, G., Djorgovski S. 1993: Dynamically-Induced Stellar Population Gradients in Globular Clusters, in The Globular Cluster - Galaxy Connection ed. J. Brodie, p. 84.
  86. Bhatia, R., Piotto G. 1993: Wide Area color-magnitude diagram of the LMC cluster NGC 2214, in The Globular Cluster - Galaxy Connection ed. J. Brodie, p. 400.
  87. Zaggia, S., Capaccioli, M., Piotto, G. 1993: On the velocity dispersion measurements in galactic globular clusters, in Dynamics of Globular Clusters ed. S. Djorgovski and G. Meylan, p. 73.
  88. Bender, R., Capaccioli, M., Macchetto, F., Nieto, J.L., Caon, N., Davoust, E., Piotto, G., Poulain, P., Prieur, J.L, Prugniel, P., Rampazzo, R., Scorza, C., Sparks, W.M., Surma, P., Wagner, S. 1993, Elliptical Galaxies and the Continuity of the Hubble Sequence, in Structure, Dynamics and Chemical Evolution of Elliptical Galaxies, eds. Danziger, I.J., Zeilinger, W.W., and Kjär, K., ESO Conference and Workshop Proceedings n. 45, p. 3.
  89. Zaggia, S., Piotto, G., Capaccioli, M. 1994: Mapping the Stellar Distribution in Globular Clusters: an Application to NGC 6809 = M55 in Stellar Populations, ed. Brocato, Ferraro, Piotto, Straniero, Mem. Soc. Astron. It., p. 667.
  90. Zoccali, M., Piotto, G., Zaggia, S., Capaccioli, M. 1994, Unveiling the Initial Mass Function of Galactic Globular clusters, in The Bottom of the Main Sequence and Beyond, ed. C. Tinney, ESO Proceedings, p. 261.
  91. Saviane, I., Piotto, G., Fagotto, F., Zaggia, S., Capaccioli, M., Aparicio, A. 1994, New VI CCD photometry of NGC 1851, in the Proocedings of the Workshop The Formation of the Milky Way, ed. E. Alfaro, p. 301.
  92. Zaggia S.R., Piotto G., & Capaccioli M., 1995 Mapping the stellar distribution in Globular Clusters: an application to NGC6809=M55 in Stellar Populations, eds. P.C. Van Der Kruit and G.Gilmore, IAU Symp. 164, Kluwer Academic Pub., p. 409
  93. Cool, A.M., King I.R., Piotto, G. 1995, A Deep c-m diagram of NGC 6397, in Dynamical Evolution of Star Clusters - Confrontation of Theory and Observations, eds. J. Makino and P. Hut, p.
  94. I. Saviane, G. Piotto, M. Capaccioli, F. Fagotto 1995, Environmental Influence on Stellar evolution: The Horizontal Branch of NGC 1851, in Dynamical Evolution of Star Clusters - Confrontation of Theory and Observations, eds. J. Makino and P. Hut, p. 357.
  95. Rosenberg, A., Saviane, I., Piotto, G., Zaggia, S., Aparicio, A., 1995, Pal 1: Another Young Globular Cluster?, in Dynamical Evolution of Star Clusters - Confrontation of Theory and Observations, eds. J. Makino and P. Hut, p. 341
  96. I. King, A. Cool, G. Piotto 1995, Faint Mass Functions in Globular Clusters from HST Observations, in Formation of the Galactic halo ... Inside-Out, p. 277.
  97. Brocato, E., Cassisi, S., Castellani, V., Cool, A.M., King, I. R., Piotto, G. 1995, low-Luminosity Main-Sequence Stars: NGC 6397 and the Solar Neighbourhood, in Formation of the Galactic halo ... Inside-Out, p. 76.
  98. Veronesi C., Zaggia S.R., Piotto G., Ferraro F.R., Bellazzini M., 1996 Binaries in Globular Clusters. A usefull window: E3 in Formation of the Galactic Halo... Inside and Out, A.S.P. Conference Series, vol. 92, eds. H. Morrison & A. Sarajedini, p.301
  99. King, I., Cool, A.M., Piotto, G., Anderson, J., Sosin, C. 1997 Globular Cluster Luminosity and Mass Function from HST data, in Advances in Stellar Evolution, eds. R. Rood and A. Renzini, p. 30.
  100. Saviane I., Rosenberg A., Piotto G., 1997, Do Globular Cluster Ages Depend on Metallicity and Galactic Position?, in Advances in Stellar Evolution, eds. R. Rood and A. Renzini, p. 65.
  101. Sosin, C., Piotto, G., Djorgovski, S.G., King, I.R., Rich, M.R., Dorman, B., Liebert, J., Renzini, A. Globular Clusters Color-Magnitude diagrams with HST, in Advances in Stellar Evolution, eds. R. Rood and A. Renzini, p. 92.



    Books


  102. Co-editore (with F.R. Ferraro and E. Brocato) degli atti del Congresso: Star Clusters and Stellar Evolution, Mem. Soc. Astron. It., 63, 101.
  103. Co-editore (with F.R. Ferraro and E. Brocato) degli atti del Congresso: Stellar Populations, Mem. Soc. Astron. It., in press.



    PhD Thesis


  104. Tesi di Dottorato, discussa a Roma il 15/10/90: Morfologia delle funzioni di luminositá degli ammassi globulari.

GC Group WEB page
2000-06-01