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1

Galactic Model Comparisons with the HST Guide Star Catalog

John L. Hershey and Kavan U. Ratnatunga

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1996

Language:

english

File:

PDF, 678 KB

english, 1996

2

Detection, Photometry, and Completeness of FOCAS Catalogs for the HST Medium-Deep Survey

Lyman W. Neuschaefer, Kavan U. Ratnatunga, Richard E. Griffiths and Francisco Valdes

Journal:

Publications of the Astronomical Society of the Pacific

Year:

1995

Language:

english

File:

PDF, 1.81 MB

english, 1995

3

Cosmic Gravitational Shear from the Hubble Space Telescope Medium Deep Survey

Casertano, Stefano, Ratnatunga, Kavan U., Griffiths, Richard E.

Journal:

The Astrophysical Journal

Year:

2003

Language:

english

File:

PDF, 64 KB

english, 2003

4

Investigation of Gravitational Lens Mass Models

Knudson, Adam, Ratnatunga, Kavan U., Griffiths, Richard E.

Journal:

The Astronomical Journal

Year:

2001

Language:

english

File:

PDF, 362 KB

english, 2001

5

The Top 10 List of Gravitational Lens Candidates from the [ITAL]HUBBLE SPACE TELESCOPE[/ITAL] Medium Deep Survey

Ratnatunga, Kavan U., Griffiths, Richard E., Ostrander, Eric J.

Journal:

The Astronomical Journal

Year:

1999

Language:

english

File:

PDF, 261 KB

english, 1999

6

Luminosity Functions of Elliptical Galaxies at [ITAL]z[/ITAL] < 1.2

Im, Myungshin, Griffiths, Richard E., Ratnatunga, Kavan U., Sarajedini, Vicki L.

Journal:

The Astrophysical Journal

Year:

1996

Language:

english

File:

PDF, 156 KB

english, 1996

7

Deep Optical Imaging of the Bright Seyfert Galaxy NGC 5548: A Long, Very Low Surface Brightness Tail

Tyson, J. Anthony, Fischer, Philippe, Guhathakurta, Puragra, McIlroy, Peter, Wenk, Richard, Huchra, John, Macri, Lucas, Neuschaefer, Lyman, Sarajedini, Vicki, Glazebrook, Karl, Ratnatunga, Kavan, Grif

Journal:

The Astronomical Journal

Year:

1998

Language:

english

File:

PDF, 3.35 MB

english, 1998

8

Compact Nuclei in Galaxies at Moderate Redshift. II. Their Nature and Implications for the Active Galactic Nucleus Luminosity Function

Sarajedini, Vicki L., Green, Richard F., Griffiths, Richard E., Ratnatunga, Kavan

Journal:

The Astrophysical Journal

Year:

1999

Language:

english

File:

PDF, 569 KB

english, 1999

9

New “Einstein Cross” Gravitational Lens Candidates in [ITAL]Hubble Space Telescope[/ITAL] WFPC2 Survey Images

Ratnatunga, Kavan U., Ostrander, Eric J., Griffiths, Richard E., Im, Myungshin

Journal:

The Astrophysical Journal

Year:

1995

Language:

english

File:

PDF, 444 KB

english, 1995

10

Galaxy Morphology without Classification: Self‐organizing Maps

Naim, Avi, Ratnatunga, Kavan U., Griffiths, Richard E.

Journal:

The Astrophysical Journal Supplement Series

Year:

1997

Language:

english

File:

PDF, 395 KB

english, 1997

11

Correction to Absolute Proper Motion Using the IAS-Galaxy Model

Ratnatunga, Kavan U.

Journal:

Symposium - International Astronomical Union

Year:

1990

Language:

english

File:

PDF, 417 KB

english, 1990

12

Comparison of the FK5 Proper-Motion System with a Kinematic Distribution Function

Ratnatunga, Kavan U., Warren, Wayne H.

Journal:

International Astronomical Union Colloquium

Year:

1991

Language:

english

File:

PDF, 287 KB

english, 1991

13

Correction to Absolute Proper Motion Using the IAS-Galaxy Model

Ratnatunga, Kavan U.

Journal:

Symposium - International Astronomical Union

Year:

1990

File:

PDF, 417 KB

1990

14

The Similarity of the Halo Field K Giant Population by the Globular Cluster System of our Galaxy

Ratnatunga, Kavan U.

Journal:

Symposium - International Astronomical Union

Year:

1988

File:

PDF, 228 KB

1988

15

Objective Prism Survey of the Outer Galactic Halo

Ratnatunga, Kavan, Freeman, K.C.

Journal:

International Astronomical Union Colloquium

Year:

1984

File:

PDF, 168 KB

1984

16

[AIP Back to the Galaxy - College Park, Maryland (USA) (12−14 Oct 1992)] AIP Conference Proceedings - Galaxy model parameters using numerical maximum likelihood estimation

Ratnatunga, Kavan U., Casertano, Stefano

Year:

1992

Language:

english

File:

PDF, 598 KB

english, 1992

17

[AIP Back to the Galaxy - College Park, Maryland (USA) (12−14 Oct 1992)] AIP Conference Proceedings - Galaxy model parameters using numerical maximum likelihood estimation

Ratnatunga, Kavan U., Casertano, Stefano

Year:

1992

File:

PDF, 598 KB

1992

18

Investigation of the Outer Regions of the Galactic Halo

Ratnatunga, Kavan U.

Journal:

Publications of the Astronomical Society of Australia

Year:

1982

File:

PDF, 400 KB

1982