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Dr Kavan Ratnatunga
Dr Kavan Ratnatunga
lakdiva.org
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Title
Cited by
Cited by
Year
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
3031985
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
2651995
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
1651994
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
1241994
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
1051997
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
1041989
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
981999
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
981998
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
981996
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
901999
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
901985
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
861990
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
851998
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
791995
Galaxy morphology without classification: self-organizing maps
A Naim, KU Ratnatunga, RE Griffiths
The Astrophysical Journal Supplement Series 111 (2), 357, 1997
771997
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
701995
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
661989
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
651989
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
641995
Luminosity Functions of Elliptical Galaxies at z< 1.2
M Im, RE Griffiths, KU Ratnatunga, VL Sarajedini
The Astrophysical Journal 461 (2), L79, 1996
621996
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