1. Università degli Studi di Roma Tor Vergata
Indietro

Roberto Buonanno

Qualifica
ORDINARIO
Fonte dei dati: Archivio della Ricerca http://art.torvergata.it
  1. Bono, G., Braga, V.F., Crestani, J., Fabrizio, M., Sneden, C., Marconi, M., et al. (2020). On the metamorphosis of the Bailey diagram for RR Lyrae Stars. THE ASTROPHYSICAL JOURNAL LETTERS, 896(1) [10.3847/2041-8213/ab9538]. Dettagli
  2. Bono, G., Iannicola, G., Braga, V.F., Ferraro, I., Stetson, P.B., Magurno, D., et al. (2019). On a New Method to Estimate the Distance, Reddening, and Metallicity of RR Lyrae Stars Using Optical/Near-infrared (B, V, I, J, H, K) Mean Magnitudes: ω Centauri as a First Test Case. THE ASTROPHYSICAL JOURNAL. Dettagli
  3. Braga, V.F., Stetson, P.B., Bono, G., Dall'Ora, M., Ferraro, I., Fiorentino, G., et al. (2019). New near-infrared JHKs light-curve templates for RR Lyrae variables. ASTRONOMY & ASTROPHYSICS. Dettagli
  4. Braga, V.f., Stetson, P.b., Bono, G., Dall'Ora, M., Ferraro, I., Fiorentino, G., et al. (2018). On the RR Lyrae Stars in Globulars. V. the Complete Near-infrared (JHK s) Census of ω Centauri RR Lyrae Variables. THE ASTRONOMICAL JOURNAL, 155(3), 137 [10.3847/1538-3881/aaadab]. Dettagli
  5. D'Orazi, V., Magurno, D., Bono, G., Matsunaga, N., Braga, V.f., Elgueta, S.s., et al. (2018). On the Chemical Abundances of Miras in Clusters: V1 in the Metal-rich Globular NGC 5927. THE ASTROPHYSICAL JOURNAL LETTERS, 855(1), L9 [10.3847/2041-8213/aab100]. Dettagli
  6. Proxauf, B., da Silva, R., Kovtyukh, V.V., Bono, G., Inno, L., Lemasle, B., et al. (2018). A new and homogeneous metallicity scale for Galactic classical Cepheids. I. Physical parameters. ASTRONOMY & ASTROPHYSICS. Dettagli
  7. Braga, V.F., Stetson, P.B., Bono, G., Dall'Ora, M., Ferraro, I., Fiorentino, G., et al. (2016). On the RR Lyrae Stars in Globulars. IV. ω Centauri Optical UBVRI Photometry. THE ASTRONOMICAL JOURNAL. Dettagli
  8. Fabrizio, M., Bono, G., Nonino, M., Łokas, E.L., Ferraro, I., Iannicola, G., et al. (2016). The Carina Project. X. On the Kinematics of Old and Intermediate-age Stellar Populations. THE ASTROPHYSICAL JOURNAL. Dettagli
  9. da Silva, R., Lemasle, B., Bono, G., Genovali, K., McWilliam, A., Cristallo, S., et al. (2016). Neutron-capture elements across the Galactic thin disk using Cepheids. ASTRONOMY & ASTROPHYSICS. Dettagli
  10. Braga, V.F., Dall'Ora, M., Bono, G., Stetson, P.B., Ferraro, I., Iannicola, G., et al. (2015). On the distance of the globular cluster M4 (NGC 6121) using RR Lyrae stars: I. optical and near-infrared Period-Luminosity and Period-Wesenheit relations. THE ASTROPHYSICAL JOURNAL, --. Dettagli
  11. Coppola, G., Marconi, M., Stetson, P.B., Bono, G., Braga, V.F., Ripepi, V., et al. (2015). The Carina Project IX: On Hydrogen and Helium Burning Variables. THE ASTROPHYSICAL JOURNAL. Dettagli
  12. Di Cecco, A., Bono, G., Prada Moroni, P.G., Tognelli, E., Allard, F., Stetson, P.B., et al. (2015). On the Absolute Age of the Metal-rich Globular M71 (NGC 6838). I. Optical Photometry. THE ASTRONOMICAL JOURNAL. Dettagli
  13. Fabrizio, M., Nonino, M., Bono, G., Primas, F., Thévenin, F., Stetson, P.B., et al. (2015). The Carina Project. VIII. The α-element abundances. ASTRONOMY & ASTROPHYSICS. Dettagli
  14. Genovali, K., Lemasle, B., da Silva, R., Bono, G., Fabrizio, M., Bergemann, M., et al. (2015). On the α-element gradients of the Galactic thin disk using Cepheids. ASTRONOMY & ASTROPHYSICS. Dettagli
  15. Inno, L., Matsunaga, N., Romaniello, M., Bono, G., Monson, A., Ferraro, I., et al. (2015). New NIR light-curve templates for classical Cepheids. ASTRONOMY & ASTROPHYSICS. Dettagli
  16. Marconi, M., Coppola, G., Bono, G., Braga, V., Pietrinferni, A., Buonanno, R., et al. (2015). On a new theoretical framework for RR Lyrae Stars. I. The metallicity dependence. THE ASTROPHYSICAL JOURNAL, 808(1) [10.1088/0004-637X/808/1/50]. Dettagli
  17. Neeley, J.R., Marengo, M., Bono, G., Braga, V.F., Dall'Ora, M., Stetson, P.B., et al. (2015). On the Distance of the Globular Cluster M4 (NGC 6121) Using RR Lyrae Stars. II. Mid-infrared Period-luminosity Relations. THE ASTROPHYSICAL JOURNAL. Dettagli
  18. Calamida, A., Bono, G., Lagioia, E.P., Milone, A.P., Fabrizio, M., Saviane, I., et al. (2014). Strömgren and near-infrared photometry of metal-rich bulge globular clusters: I. NGC 6528 and its surrounding field. ASTRONOMY & ASTROPHYSICS, 565 [10.1051/0004-6361/201323081]. Dettagli
  19. Buonanno, R. (2014). The Stars of Galileo Galilei and the Universal Knowledge of Athanasius Kircher. Springer International Publishing Switzerland. Dettagli
  20. Calamida, A., Sahu K, C., Anderson, J., Casertano, S., Cassisi, S., Salaris, M., et al. (2014). First Detection of the White Dwarf Cooling Sequence of the Galactic Bulge. THE ASTROPHYSICAL JOURNAL LETTERS, 790, 164-170 [10.1088/0004-637X/790/2/164]. Dettagli
  21. Fabrizio, M., Raimondo, G., Brocato, E., Bellini, A., Libralato, M., Testa, V., et al. (2014). A bag of tricks: Using proper motions of Galactic stars to identify the Hercules ultra-faint dwarf galaxy members. ASTRONOMY & ASTROPHYSICS, 570, 61-76 [10.1051/0004-6361/201423792]. Dettagli
  22. Fusco, F., Buonanno, R., Hidalgo S, L., Aparicio, A., Pietrinferni, A., Bono, G., et al. (2014). A state-of-the-art analysis of the dwarf irregular galaxy NGC 6822. ASTRONOMY & ASTROPHYSICS, 572, 26-34 [10.1051/0004-6361/201323075]. Dettagli
  23. Genovali, K., Lemasle, B., Bono, G., Romaniello, M., Fabrizio, M., Ferraro, I., et al. (2014). On the fine structure of the Cepheid metallicity gradient in the Galactic thin disk. ASTRONOMY & ASTROPHYSICS, 566, 37-67 [10.1051/0004-6361/201323198]. Dettagli
  24. Lagioia, E.P., Milone, A.P., Stetson, P.B., Bono, G., Prada Moroni, P.G., Dall'Ora, M., et al. (2014). On the Kinematic Separation of Field and Cluster Stars across the Bulge Globular NGC 6528. THE ASTROPHYSICAL JOURNAL, 782, 50-61. Dettagli
  25. Marconi, M., Musella, I., Di Criscienzo, M., Cignoni, M., Dall'Ora, M., Bono, G., et al. (2014). STREGA: STRucture and Evolution of the GAlaxy - I. Survey overview and first results. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 444, 3809-3828. Dettagli
  26. Marino, A.F., Milone, A.P., Yong, D., Dotter, A., Da Costa, G., Asplund, M., et al. (2014). The halo+cluster system of the Galactic globular cluster NGC 1851. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 442, 3044-3064. Dettagli
  27. Milone, A.P., Marino, A.F., Bedin, L.R., Piotto, G., Cassisi, S., Dieball, A., et al. (2014). The M 4 Core Project with HST - II. Multiple stellar populations at the bottom of the main sequence. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 439(2), 1588-1595 [10.1093/mnras/stu030]. Dettagli
  28. Monelli, M., Milone A, P., Fabrizio, M., Bono, G., Stetson P, B., Walker A, R., et al. (2014). The Carina Project. VII. Toward the Breaking of the Age-Metallicity Degeneracy of Red Giant Branch Stars Using the C U, B, I Index. THE ASTROPHYSICAL JOURNAL, 796, 90-99. Dettagli
  29. Stetson, P.B., Braga, V.F., Dall'Ora, M., Bono, G., Buonanno, R., Ferraro, I., et al. (2014). Optical and Near-Infrared UBVRIJHK Photometry for the RR Lyrae Stars in the Nearby Globular Cluster M4 (NGC 6121). PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 126, 521-554. Dettagli
  30. Stetson, P.B., Braga, V.F., Dall'Ora, M., Bono, G., Buonanno, R., Ferraro, I., et al. (2014). Optical and Near-Infrared UBVRIJHK Photometry for the RR Lyrae Stars in the Nearby Globular Cluster M4 (NGC 6121). PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 126, 521-554. Dettagli
  31. Coppola, G., Stetson P, B., Marconi, M., Bono, G., Ripepi, V., Fabrizio, M., et al. (2013). The Carina Project. VI. The Helium-burning Variable Stars. THE ASTROPHYSICAL JOURNAL, 775, 6-18 [10.1088/0004-637X/775/1/6]. Dettagli
  32. Del Pino, A., Hidalgo, S., Aparicio, A., Carme, G., Carrera, R., Monelli, M., et al. (2013). Spatial dependence of the star formation history in the central regions of the Fornax dwarf spheroidal galaxy. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 433, 1505-1526. Dettagli
  33. Di Cecco, A., Zocchi, A., Varri, A.L., Monelli, M., Bertin, G., Bono, G., et al. (2013). On the Density Profile of the Globular Cluster M92. THE ASTRONOMICAL JOURNAL, 145, 103-114. Dettagli
  34. Genovali, K., Lemasle, B., Bono, G., Romaniello, M., Primas, F., Fabrizio, M., et al. (2013). On the metallicity distribution of classical Cepheids in the Galactic inner disk. ASTRONOMY & ASTROPHYSICS, 554, 132-141. Dettagli
  35. Inno, L., Matsunaga, N., Bono, G., Caputo, F., Buonanno, R., Genovali, K., et al. (2013). On the Distance of the Magellanic clouds using Cepheid NIR and optical-NIR period-Wesenheit relations. THE ASTROPHYSICAL JOURNAL, 764(1), 84-97 [10.1088/0004-637X/764/1/84]. Dettagli
  36. Fabrizio, M., Merle, T., Thévenin, F., Nonino, M., Bono, G., Stetson, P.B., et al. (2012). The Carina Project. V. The Impact of NLTE Effects on the Iron Content. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 124, 519-534. Dettagli
  37. Fusco, F., Buonanno, R., Bono, G., Cassisi, S., Monelli, M., & Pietrinferni, A. (2012). Distance and reddening of the Local Group dwarf irregular galaxy NGC 6822. ASTRONOMY & ASTROPHYSICS, 548, 129-134. Dettagli
  38. Milone, A.P., Marino, A.F., Buonanno, R., Cassisi, S., Piotto, G., Bedin, L.R., et al. (2012). The Infrared Eye of the Wide-Field Camera 3 on the Hubble Space Telescope Reveals Multiple Main Sequences of Very Low Mass Stars in NGC 2808. THE ASTROPHYSICAL JOURNAL, 754, L34-L47. Dettagli
  39. Buonanno, R. (2011). Athanasius Kircher: the 17th Century Science at the Crossroads. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 441. Dettagli
  40. Calamida, A., Bono, G., Corsi C, E., Iannicola, G., Ripepi, V., Anthony-Twarog, B., et al. (2011). On a New Theoretical Calibration of the Strömgren hk Metallicity Index: NGC 6522 As a First Test Case. THE ASTROPHYSICAL JOURNAL LETTERS, 742, L28-L43 [10.1088/2041-8205/742/2/L28]. Dettagli
  41. Colafrancesco, S., Lieu, R., Marchegiani, P., Pato, M., Pieri, L., & Buonanno, R. (2011). Dark matter interpretation of the origin of non-thermal phenomena in galaxy clusters. ASTRONOMY & ASTROPHYSICS, 527, 80-89. Dettagli
  42. Colafrancesco, S., Marchegiani, P., & Buonanno, R. (2011). Untangling the atmosphere of the Bullet cluster with Sunyaev-Zel'dovich effect observations. ASTRONOMY & ASTROPHYSICS, 527, 1-5. Dettagli
  43. Di Cecco, A., Becucci, R., Bono, G., Monelli, M., Stetson, P.B., Degl'Innocenti, S., et al. (2011). On the Absolute Age of the Globular Cluster M92. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 122(895), 991-999 [10.1086/656017]. Dettagli
  44. Fabrizio, M., Nonino, M., Bono, G., Ferraro, I., François, P., Iannicola, G., et al. (2011). The Carina Project. IV. Radial Velocity Distribution. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 123(9), 384-401. Dettagli
  45. Troisi, F., Bono, G., Stetson P, B., Pietrinferni, A., Weiss, A., Fabrizio, M., et al. (2011). On a New Parameter to Estimate the Helium Content in Old Stellar Systems. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 123, 879-891. Dettagli
  46. Bono, G., Stetson, P.B., VandenBerg, D.A., Calamida, A., Dall'Ora, M., Iannicola, G., et al. (2010). On a New Near-Infrared Method to Estimate the Absolute Ages of Star Clusters: NGC 3201 as a First Test Case. THE ASTROPHYSICAL JOURNAL, 708(2), l74-l79. Dettagli
  47. Bono, G., Stetson, P.B., Walker, A.R., Monelli, M., Fabrizio, M., Pietrinferni, A., et al. (2010). On the Stellar Content of the Carina Dwarf Spheroidal Galaxy. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 122(892), 651-661. Dettagli
  48. Buonanno, R. (2010). La fine dei cieli di cristallo. L'Astronomia al bivio del '600. Milano : Springer-Verlag. Dettagli
  49. Di Cecco, A., Bono, G., Stetson, P.B., Pietrinferni, A., Becucci, R., Cassisi, S., et al. (2010). On the ΔV bump HB Parameter in Globular Clusters. THE ASTROPHYSICAL JOURNAL, 712(1), 527-535. Dettagli
  50. Giuffrida, G., Buonanno, R., Castellani, M., Pulone, L., Troisi, L., Marrese, P., et al. (2010). Reconstruction of Gaia BP/RP spectra in crowded fields. MEMORIE DELLA SOCIETÀ ASTRONOMICA ITALIANA, 14, 107. Dettagli
  51. Giuffrida, G., Sbordone, L., Zaggia, S., Marconi, G., Bonifacio, P., Izzo, C., et al. (2010). A Wide-angle VIMOS Survey of the Sagittarius Dwarf Spheroidal Galaxy. THE MESSENGER, 141, 29-31. Dettagli
  52. Giuffrida, G., Sbordone, L., Zaggia, S., Marconi, G., Bonifacio, P., Izzo, C., et al. (2010). A wide angle view of the Sagittarius dwarf spheroidal galaxy. I. VIMOS photometry and radial velocities across Sgr dSph major and minor axis. ASTRONOMY & ASTROPHYSICS, 513, 62-73. Dettagli
  53. Pedicelli, S., Lemasle, B., Groenewegen, M., Romaniello, M., Bono, G., Laney, C.D., et al. (2010). New Baade-Wesselink distances and radii for four metal-rich Galactic Cepheids. ASTRONOMY & ASTROPHYSICS, 518, 11-20. Dettagli
  54. Sanna, N., Bono, G., Stetson, P., Ferraro, I., Monelli, M., Nonino, M., et al. (2010). On the radial extent of the dwarf irregular galaxy IC10. THE ASTROPHYSICAL JOURNAL, 722(2), L244-L249. Dettagli
  55. Troisi, L., Bono, G., Dall'Ora, M., Calamida, A., Di Cecco, A., Iannicola, G., et al. (2010). Deep NIR photometry of the globular 47Tuc. MEMORIE DELLA SOCIETÀ ASTRONOMICA ITALIANA, 14, 139. Dettagli
  56. Buonanno, R. (2009). L'Astronomia prima di Galileo. In Astronomia ieri e oggi (pp. 9-39). Foligno : EDICIT. Dettagli
  57. Buonanno, R., & Quercellini, C. (2009). The equations of medieval cosmology. NEW ASTRONOMY, 14(3), 347-348. Dettagli
  58. Calamida, A., Bono, G., Stetson, P.B., Dall'Ora, M., Monelli, M., Corsi, C.E., et al. (2009). A new method to estimate the ages of globular clusters: the case of NGC 3201, 258, 189-196. Dettagli
  59. Calamida, A., Bono, G., Stetson, P.B., Dall'Ora, M., Monelli, M., Corsi, C.E., et al. (2009). A new method to estimate the ages of globular clusters: the case of NGC 3201. In Proceedings of the International Astronomical Union, IAU Symposium (pp.189-196). Dettagli
  60. Calamida, A., Bono, G., Stetson, P.B., Freyhammer, L.M., Piersimoni, A.M., Buonanno, R., et al. (2009). Strömgren Photometry of Galactic Globular Clusters. II. Metallicity Distribution of Red Giants in ω Centauri. THE ASTROPHYSICAL JOURNAL, 706(2), 1277-1298. Dettagli
  61. Giuffrida, G., Troisi, L., Buonanno, R., Pulone, L., Iannicola, G., & Castellani, M. (2009). Deblending of Gaia BP/RP spectra: a progress report. MEMORIE DELLA SOCIETÀ ASTRONOMICA ITALIANA, 80, 135. Dettagli
  62. Iannicola, G., Monelli, M., Bono, G., Stetson, P.B., Buonanno, R., Calamida, A., et al. (2009). On the Radial Distribution of Horizontal Branch Stars in NGC 2808. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 696(2), 120-124. Dettagli
  63. Pedicelli, S., Bono, G., Lemasle, B., François, P., Groenewegen, M., Lub, J., et al. (2009). On the metallicity gradient of the Galactic disk. ASTRONOMY & ASTROPHYSICS, 504(1), 81-86. Dettagli
  64. Sanna, N., Bono, G., Stetson, P.B., Pietrinferni, A., Monelli, M., Cassisi, S., et al. (2009). On the Stellar Content of the Starburst Galaxy IC10. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 699(2), l84-l87. Dettagli
  65. Buonanno, R. (2008). Il cielo sopra Roma. I luoghi della Astronomia. Milano : Springer-Verlag Italia. Dettagli
  66. Calamida, A., Corsi, C.E., Bono, G., Stetson, P.B., Moroni, P.P., Degl'Innocenti, S., et al. (2008). On the white dwarf cooling sequence of the globular cluster omega centauri. THE ASTROPHYSICAL JOURNAL LETTERS, 673(1), 29-33. Dettagli
  67. Calamida A., B.G. (2007). Stromgren photometry of galactic globular clusters. I. New calibrations of the metallicity index. THE ASTROPHYSICAL JOURNAL, 670(1), 400-422 [10.1086/521424]. Dettagli
  68. Castellani V., C.A. (2007). Star counts in the globular cluster omega Centauri. I. Bright stellar components. THE ASTROPHYSICAL JOURNAL, 663(2 I), 1021-1039 [10.1086/518209]. Dettagli
  69. Sbordone, L., Bonifacio, P., Buonanno, R., Marconi, G., Monaco, L., & Zaggia, S. (2007). The exotic chemical composition of the Sagittarius dwarf spheroidal galaxy. ASTRONOMY & ASTROPHYSICS, 465(3), 815-824. Dettagli
  70. Castellani V., I.G. (2006). On the horizontal branch of the galactic globular cluster NGC 2808. ASTRONOMY & ASTROPHYSICS, 446(2), 569-577 [10.1051/0004-6361:20042170]. Dettagli
  71. Del Principe M., P.A. (2006). A pulsational distance to omega Centauri based on near-infrared period-luminosity relations of RR Lyrae stars. THE ASTROPHYSICAL JOURNAL, 652(1 I), 362-369 [10.1086/508136]. Dettagli
  72. Calamida A., S.P. (2005). Reddening distribution across the center of the globular cluster omega Centauri. THE ASTROPHYSICAL JOURNAL LETTERS, 634(1), 69-72 [10.1086/498691]. Dettagli
  73. Freyhammer L.M., M.M. (2005). On the anomalous red giant branch of the globular cluster omega Centauri 1. THE ASTROPHYSICAL JOURNAL, 623(2 I), 860-865 [10.1086/428643]. Dettagli
  74. Gallart, C., Aparicio, A., Zinn, R., Buonanno, R., Hardy, E., & Marconi, G. (2005). The star formation history of the Fornax dSph galaxy using the new synthetic color-magnitude diagram code IAC-STAR. PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 1, 25-29. Dettagli
  75. Monelli M., C.C. (2005). The discovery of more than 2000 white dwarfs in the globular cluster omega Centauri. THE ASTROPHYSICAL JOURNAL LETTERS, 621, 117-120 [10.1086/429255]. Dettagli
  76. Sbordone, L., Bonifacio, P., Marconi, G., Buonanno, R., & Zaggia, S. (2005). Family ties: Abundances in Terzan 7, a Sgr dSph globular cluster. ASTRONOMY & ASTROPHYSICS, 437(3), 905-910. Dettagli
  77. Sbordone, L., Bonifacio, P., Marconi, G., Zaggia, S., & Buonanno, R. (2005). UVES observations of the Canis Major overdensity. ASTRONOMY & ASTROPHYSICS, 430(1), L13-L16. Dettagli
  78. Dall'Ora, M., Storm, J., Bono, G., Ripepi, V., Monelli, M., Testa, V., et al. (2004). The Distance to the Large Magellanic Cloud Cluster Reticulum from the K-Band Period-Luminosity-Metallicity Relation of RR Lyrae Stars. THE ASTROPHYSICAL JOURNAL, 610(1), 269-274. Dettagli
  79. Andreuzzi, G., Testa, V., Marconi, G., Alcaino, G., Alvarado, F., & Buonanno, R. (2004). VLT FORS-1 observations of NGC 6397: Evidence for mass segregation. ASTRONOMY & ASTROPHYSICS, 425(2), 509-518. Dettagli
  80. Ferraro, F.R., Sills, A., Rood, R.T., Paltrinieri, B., & Buonanno, R. (2003). Blue straggler stars: A direct comparison of star counts and population ratios in six galactic globular clusters. THE ASTROPHYSICAL JOURNAL, 588(1), 464-477. Dettagli
  81. Marconi, G., Andreuzzi, G., Pulone, L., Cassisi, S., Testa, V., & Buonanno, R. (2001). Mass segregation of different populations inside the cluster NGC 6101. ASTRONOMY & ASTROPHYSICS, 380(2), 478-489. Dettagli
  82. Testa, V., Corsi, C.E., Andreuzzi, G., Iannicola, G., Marconi, G., Piersimoni, A.M., et al. (2001). Horizontal-branch morphology and dense environments. Hubble Space Telescope observations of globular clusters NGC 2298, 5897, 6535, and 6626. THE ASTRONOMICAL JOURNAL, 121(2), 916-934. Dettagli