Estimated number of field stars toward Galactic globular clusters and Local Group Galaxies KU Ratnatunga, JN Bahcall Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 59, Sept …, 1985 | 303 | 1985 |
The Morphological Mix of Field Galaxies to mI= 24.25 Magnitudes (bJ~ 26 Magnitudes) from a Deep Hubble Space Telescope* WFPC2 Image SP Driver, RA Windhorst, EJ Ostrander, WC Keel, RE Griffiths, ... The Astrophysical Journal 449 (1), L23, 1995 | 265 | 1995 |
The morphology of faint galaxies in Medium Deep Survey images using WFPC2 RE Griffiths, S Casertano, KU Ratnatunga, LW Neuschaefer, RS Ellis, ... Astrophysical Journal, Part 2-Letters (ISSN 0004-637X), vol. 435, no. 1, p …, 1994 | 165 | 1994 |
The Hubble Space Telescope Medium Deep Survey with the Wide Field and Planetary Camera. 1: Methodology and results on the field near 3C 273 RE Griffiths, KU Ratnatunga, LW Neuschaefer, S Casertano, M Im, ... Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 437, no. 1, p. 67-82 …, 1994 | 124 | 1994 |
A measurement of the cosmological constant using elliptical galaxies as strong gravitational lenses M Im, RE Griffiths, KU Ratnatunga The Astrophysical Journal 475 (2), 457, 1997 | 105 | 1997 |
Field K giants in Galactic halo. II-Improved abundance and kinematic parameters KU Ratnatunga, KC Freeman Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 339, April 1, 1989, p …, 1989 | 104 | 1989 |
Disk and Bulge Morphology of WFPC2 Galaxies: The HUBBLE SPACE TELESCOPE Medium Deep Survey Database KU Ratnatunga, RE Griffiths, EJ Ostrander The Astronomical Journal 118 (1), 86, 1999 | 98 | 1999 |
A study of nine high-redshift clusters of galaxies. III. Hubble Space Telescope morphology of clusters 0023+ 0423 and 1604+ 4304 LM Lubin, M Postman, JB Oke, KU Ratnatunga, JE Gunn, JG Hoessel, ... The Astronomical Journal 116 (2), 584, 1998 | 98 | 1998 |
Weak gravitational lensing around field galaxies in Hubble Space Telescope survey images RE Griffiths, S Casertano, M Im, KU Ratnatunga Monthly Notices of the Royal Astronomical Society 282 (4), 1159-1163, 1996 | 98 | 1996 |
The top 10 list of gravitational lens candidates from the hubble space telescope medium deep survey KU Ratnatunga, RE Griffiths, EJ Ostrander The Astronomical Journal 117 (5), 2010, 1999 | 90 | 1999 |
Kinematics of K giants in the outer galactic halo KU Ratnatunga, KC Freeman Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 291, April 1, 1985, p …, 1985 | 90 | 1985 |
Kinematic modeling of the galaxy. II-Two samples of high proper motion stars S Casertano, KU Ratnatunga, JN Bahcall Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 357, July 10, 1990, p …, 1990 | 86 | 1990 |
Galaxy surface brightness and size evolution to z∼4 N Roche, K Ratnatunga, RE Griffiths, M Im, A Naim Monthly Notices of the Royal Astronomical Society 293 (2), 157-176, 1998 | 85 | 1998 |
New “Einstein Cross” Gravitational Lens Candidates in Hubble Space Telescope WFPC2 Survey Images KU Ratnatunga, EJ Ostrander, RE Griffiths, M Im The Astrophysical Journal 453 (1), L5, 1995 | 79 | 1995 |
Galaxy morphology without classification: self-organizing maps A Naim, KU Ratnatunga, RE Griffiths The Astrophysical Journal Supplement Series 111 (2), 357, 1997 | 77 | 1997 |
Structural parameters of faint galaxies from prerefurbishment Hubble Space Telescope medium deep survey observations S Casertano, KU Ratnatunga, RE Griffiths, M Im, LW Neuschaefer, ... Astrophysical Journal v. 453, p. 599 453, 599, 1995 | 70 | 1995 |
Kinematic modeling of the Galaxy. I-The Yale Bright Star Catalogue KU Ratnatunga, JN Bahcall, S Casertano Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 339, April 1, 1989, p …, 1989 | 66 | 1989 |
The rate of stellar collapses in the galaxy KU Ratnatunga, S van den Bergh Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 343, Aug. 15, 1989, p …, 1989 | 65 | 1989 |
A test of galaxy evolutionary models via angular sizes M Im, S Casertano, RE Griffiths, KU Ratnatunga, JA Tyson Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 441, no. 2, p. 494-504 …, 1995 | 64 | 1995 |
Luminosity Functions of Elliptical Galaxies at z< 1.2 M Im, RE Griffiths, KU Ratnatunga, VL Sarajedini The Astrophysical Journal 461 (2), L79, 1996 | 62 | 1996 |