Sergio Ortolani

Pubblications List

(May, 2000 Updated)

Papers Published on International Referred Journals

1. Ortolani S., Barbuy B., Bica E., 1996, ``NTT VI photometry of the metal-rich and obscured bulge globular cluster Terzan 5'', A. & A., 308, 733.
2. Vallenari A., Chiosi C., Bertelli G., Ortolani S., 1996, ``Star formation in the Large Magellanic Cloud. II. Evidence for an old intermediate-age burst of stellar activity ?'', A. & A., 306, 358.
3. Vallenari A., Chiosi C., Aparicio A., Ortolani S., 1996, ``Star formation in the Large Magellanic Cloud. III. A study of the regions LMC 30, LMC 45 and LMC 61'', A. & A., 309, 367.
4. Bica E., Ortolani S., Barbuy B., 1996, ``NTT V,I colour-magnitude diagrams of the bulge globular cluster Tonanzintla 2'', A. & A. Suppl., 120, 153.
5. Renzini A., Bragaglia A., Ferraro F., Gilmozzi R., Ortolani S., et al., 1996, ``The white dwarf distance of the globular cluster NGC 6752 (and its age) with the Hubble Space Telescope'', Ap. J., 465, L23.
6. Ortolani S., Bica E., Barbuy B., 1997, ``HP1: a blue horizontal branch globular cluster in the bulge'', MNRAS, 284, 692.
7. Guarnieri M. D., Renzini A., Ortolani S., 1997, ``On calibrating brightest asymptotic giant branch stars as age indicators: the bulge globular cluster NGC 6553 and the age of M 32'', Ap. J. 477, L21.
8. Covino S., Ortolani S., 1997, ``Luminosity and mass functions for the galactic globular cluster NGC 3201'', A. & A., 318, 40.
9. Bruzual G., Barbuy B., Ortolani S., Bica E., Cusinier F., Lejeune T., R. P., 1997, ``Matching Stellar population Models to Bulge Globular Clusters'', A.J., 114, 1531.
10. Ortolani S., Bica E., Barbuy B., 1997, ``V, I photometry of the metal-rich bulge globular cluster Terzan 2'', A. & A., 326, 614.
11. Bica E., Dottori H., Rodriguez de Oliveira F. I., Ortolani S., Barbuy B., 1997, ``Capture of field stars by globular clusters in dense bulge regions'', Ap. J., 482, L49.
12. Barbuy B., Ortolani S., Bica E., 1997, ``NTT V, I, z photometry of the metal-rich globular cluster Terzan 6'', A. & A. S., 122, 483.
13. Ferraro F., Carretta E., Bragaglia A., Renzini A., Ortolani S., 1997, ``The luminosity function of the globular cluster NGC 6752 with the Hubble Space Telescope: evidence of mass segregation'', MNRAS, 286, 483.
14. Ortolani S., Barbuy B., Bica E., 1997, ``High quality seeing V, I and Gunn z imaging of Terzan 4: a blue horizontal branch bulge globular cluster'', A. & A., 319, 850.
15. Rosino L., Ortolani S., Barbuy B., Bica E., 1997, ``NGC 6749: a metal-poor halo cluster in a disc field rich in Mira variables'', MNRAS, 289, 745.
16. Ortolani S., Bica E., Barbuy B., 1998, ``V, I photometry of the bulge metal-rich globular clusters NGC 6380 and Terzan 12'', A. & A. S., 127, 471.
17. Guarnieri M. D., Ortolani S., Montegriffo P., Renzini A., Barbuy B., Bica E., Moneti A., 1998, ``Infrared array photometry of bulge globular clusters. I., Combined ground based JK and HST VI photometry of NGC 6553'', A. & A., 331, 70.
18. Barbuy B., Bica E., Ortolani S., 1998, ``Globular clusters within 5 (deg) of the Galactic center'', A. & A., 333, 117.
19. Rich R. M., Ortolani S., Bica E., Barbuy B., 1998, ``VI photometry of the Post-Core Collapse Globular Cluster NGC 6558 and the adjacent bulge field population'', AJ, 116, 1295.
20. Barbuy B., Ortolani S., Bica E., 1998, ``Terzan 3 and IC 1276 (Palomar 7): Two metal-rich bulge globular clusters uncovered'', A. A. S., 132, 333.
21. Barbuy B., Ortolani S., Bica E., 1999, ``Terzan 3 and IC 1276 (Palomar 7): Two metal-rich bulge globular clusters uncovered'', A. A. S., 132, 333.
22. Barbuy B., Renzini A., Ortolani S., Bica E., Guarnieri M.D., 1999, ``High-resolution abundance analysis of two individual stars of the bulge globular cluster NGC 6553'', A. & A., 341, 539.
23. Ortolani S., Barbuy B., Bica E., 1999, ``Colour-magnitude diagrams of the post-core collapse globular clusters NGC 6256 and NGC 6171 (Palomar 9)'', A. & A. S., 136, 237.
24. Bica E., Ortolani S., Barbuy B., 1999, ``The nature of the star clusters ESO 93-SC08 and ESO 452-SC11'', A. & A. S., 136, 363.
25. Ortolani S., Bica E., Barbuy B., 1999, ``Blue horizontal branch globular clusters toward the bulge: Terzan 9, NGC 6139 and NGC 6453'', A. & A. S. 138, 267.
26. Ortolani S., Barbuy B., Bica E., Renzini A., Marconi G., Gilmozzi R., 1999 ``HST observations of Terzan 1: a second parameter globular cluster in the galactic bulge'', A. A. 350, 840.
27. Barbuy B., Ortolani S., Bica E., Desidera S., 1999, ``The metal-rich bulge globular cluster NGC 6401'', A. & A. 348, 783.
28. Zoccali, M., Cassisi, S., Frogel, J. A., Gould, A., Ortolani, S., Renzini, A., Rich, R. M., Stephens, A. W., 2000, ``The Initial Mass Function of the Galactic Bulge down to ~0.15 Msolar'', Ap. J., 530, 418.
29. Stephens, A. W., Frogel, J. A., Ortolani, S., Davies, R., Jablonka, P., Renzini, A., Rich, R. M., 2000, ``Hubble Space Telescope NICMOS Color Transformations and Photometric Calibrations'', A. J., 119, 419.