Dr Gayandhi De Silva

Postdoctoral Research Fellow

A28 - Physics Building
The University of Sydney

Selected grants

2012

  • Advancing and applying stellar nucleosynthesis: using stars to probe galaxies; Lattanzio J, Arnett W, De Silva G; Australian Research Council (ARC)/Discovery Projects (DP).

2011

  • Dissecting the Galaxy with HERMES JI: Decisive Observations; Zucker D, Freeman K, Bland-Hawthorn J, Lattanzio J, De Silva G; Australian Research Council (ARC)/Super Science Fellowships.

2009

  • Elemental abundance analysis of substructures in the Galaxy disk. Implications for disk formation; De Silva G; European Commission/Marie Curie Post-doctoral Fellowship.

Selected publications

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Journals

  • D'Orazi, V., De Silva, G., Melo, C. (2017). First determination of s -process element abundances in pre-main sequence clusters: Y, Zr, La, and Ce in IC 2391, the Argus association, and IC 2602. Astronomy and Astrophysics, 598. [More Information]
  • Martell, S., Sharma, S., Buder, S., Duong, L., Schlesinger, K., Simpson, J., Lind, K., Ness, M., Marshall, J., Asplund, M., Bland-Hawthorn, J., De Silva, G., Kos, J., Huber, D., Lewis, G., Stello, D., et al (2017). The GALAH survey: Observational overview and Gaia DR1 companion. Monthly Notices of the Royal Astronomical Society, 465(3), 3203-3219. [More Information]
  • MacLean, B., Campbell, S., De Silva, G., Lattanzio, J., D'Orazi, V., Simpson, J., Momany, Y. (2016). An extreme paucity of second population AGB stars in the 'normal' globular cluster M4. Monthly Notices of the Royal Astronomical Society: Letters, 460(1), L69-L73. [More Information]
  • Anguiano, B., De Silva, G., Freeman, K., Da Costa, G., Zwitter, T., Quillen, A., Zucker, D., Navarro, J., Kunder, A., Siebert, A., Sharma, S., Bland-Hawthorn, J., et al (2016). Identification of Globular Cluster Stars in RAVE data II: Extended tidal debris around NGC 3201. Monthly Notices of the Royal Astronomical Society, 457(2), 2078-2085. [More Information]
  • Simpson, J., De Silva, G., Bland-Hawthorn, J., Freeman, K., Martell, S., Schlesinger, K., Sharma, S., Zucker, D., Zwitter, T., Kos, J., et al (2016). The GALAH survey: Relative throughputs of the 2dF fibre positioner and the HERMES spectrograph from stellar targets. Monthly Notices of the Royal Astronomical Society, 459(1), 1069-1081. [More Information]
  • Campbell, S., Constantino, T., D'Orazi, V., Meakin, C., Stello, D., Christensen-Dalsgaard, J., Kuehn, C., De Silva, G., Arnett, W., Lattanzio, J., et al (2016). Towards 21st century stellar models: Star clusters, supercomputing and asteroseismology. Astronomische Nachrichten, 337(8/9), 788-792. [More Information]
  • De Silva, G., Carraro, G., D’Orazi, V., Efremova, V., Macpherson, H., Martell, S., Rizzo, L. (2015). Binary open clusters in the Milky Way: photometric and spectroscopic analysis of NGC 5617 and Trumpler 22. Monthly Notices of the Royal Astronomical Society, 453(1), 106-112. [More Information]
  • Sheinis, A., Anguiano, B., Asplund, M., Bacigalupo, C., Barden, S., Birchall, M., Bland-Hawthorn, J., Brzeski, J., Cannon, R., Carollo, D., De Silva, G., Kos, J., Sharma, S., et al (2015). First light results from the High Efficiency and Resolution Multi-Element Spectrograph at the Anglo-Australian Telescope. Journal of Astronomical Telescopes, Instruments, and Systems, 1(3), 1-18. [More Information]
  • MacClean, B., De Silva, G., Lattanzio, J. (2015). O, Na, Ba and Eu abundance patterns in open clusters. Monthly Notices of the Royal Astronomical Society, 446(5), 3556-3561. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J., Martell, S., Wylie-De Boer, E., Asplund, M., Keller, S., Sharma, S., Zucker, D., Zwitter, T., Lewis, G., Stello, D., et al (2015). The GALAH survey: Scientific motivation. Monthly Notices of the Royal Astronomical Society, 449(3), 2604-2617. [More Information]
  • Quillen, A., Anguiano, B., De Silva, G., Freeman, K., Zucker, D., Minchev, I., Bland-Hawthorn, J. (2015). The parent populations of six groups identified from chemical tagging in the solar neighbourhood. Monthly Notices of the Royal Astronomical Society, 450(3), 2354-2366. [More Information]
  • Helmi, A., Williams, M., Freeman, K., Bland-Hawthorn, J., De Silva, G. (2014). More pieces of the puzzle: Chemistry and substructures in the galactic thick disk. The Astrophysical Journal, 791(2), 1-6. [More Information]
  • Mitschang, A., De Silva, G., Zucker, D., Anguiano, B., Bensby, T., Feltzing, S. (2014). Quantitative chemical tagging, stellar ages and the chemo-dynamical evolution of the Galactic disc. Monthly Notices of the Royal Astronomical Society, 438(4), 2753-2764. [More Information]
  • Carraro, G., De Silva, G., Monaco, L., Milone, A., Mateluna, R. (2014). Updated properties of the old open cluster Melotte 66: Searching for multiple stellar populations. Astronomy and Astrophysics, 566, 1-13. [More Information]
  • Mitschang, A., De Silva, G., Sharma, S., Zucker, D. (2013). Quantifying chemical tagging: Towards robust group finding in the Galaxy. Monthly Notices of the Royal Astronomical Society, 428(3), 2321-2332. [More Information]
  • De Silva, G., D'Orazi, V., Melo, C., Torres, C., Gieles, M., Quast, G., Sterzik, M. (2013). Search for associations containing young stars: chemical tagging IC 2391 and the Argus association. Monthly Notices of the Royal Astronomical Society, 431(2), 1005-1018. [More Information]
  • Mitschang, A., De Silva, G., Zucker, D. (2012). Elemental abundances of intermediate-age open cluster NGC 3680. Monthly Notices of the Royal Astronomical Society, 422(4), 3527-3534. [More Information]
  • Ting, Y., De Silva, G., Freeman, K., Parker, S. (2012). High-resolution elemental abundance analysis of the open cluster IC 4756. Monthly Notices of the Royal Astronomical Society, 427(1), 882-892. [More Information]
  • Ting, Y., Freeman, K., Kobayashi, C., De Silva, G., Bland-Hawthorn, J. (2012). Principal component analysis on chemical abundances spaces. Monthly Notices of the Royal Astronomical Society, 421(2), 1231-1255. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J., Asplund, M., Williams, M., Holmberg, J. (2011). High-resolution elemental abundance analysis of the Hyades supercluster. Monthly Notices of the Royal Astronomical Society, 415(1), 563-575. [More Information]
  • Sana, H., Momany, Y., Gieles, M., Carraro, G., Beletsky, Y., Ivanov, V., De Silva, G., James, G. (2010). A MAD view of Trumpler 14. Astronomy and Astrophysics, 515(4), 1-14. [More Information]
  • Hubrig, S., Castelli, F., De Silva, G., Gonzalez, J., Momany, Y., Netopil, M., Moehler, S. (2009). A high-resolution study of isotopic composition and chemical abundances of blue horizontal branch stars in the globular clusters NGC 6397 and NGC 6752. Astronomy and Astrophysics, 499, 865-878. [More Information]
  • De Silva, G., Gibson, B., Lattanzio, J., Asplund, M. (2009). O and Na abundance patterns in open clusters of the Galactic disk. Astronomy and Astrophysics, 500(2), L25-L28. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J. (2009). Reconstructing Fossil Sub-structures of the Galactic Disk: Clues from Abundance Patterns of Old Open Clusters and Moving Groups. Publications of the Astronomical Society of Australia (PASA), 26(1), 11-16. [More Information]

Conferences

  • Sheinis, A., Barden, S., Birchall, M., Carollo, D., Bland-Hawthorn, J., Brzeski, J., Case, S., Cannon, R., Churilov, V., Couch, W., et al (2014). First Light Results from the Hermes Spectrograph at the AAT. Ground-Based and Airborne Instrumentation for Astronomy V, Bellingham, Washington: SPIE - International Society for Optical Engineering. [More Information]
  • Heijmans, J., Asplund, M., Barden, S., Birchall, M., Carollo, D., Bland-Hawthorn, J., Brzeski, J., Case, S., Churilov, V., Colless, M., et al (2012). Integrating the HERMES spectrograph for the AAT. Ground-Based and Airborne Instrumentation for Astronomy IV, Bellingham: SPIE Proceedings. [More Information]
  • Goodwin, M., Farrell, T., Smedly, S., Heald, R., Heijmans, J., De Silva, G., Carollo, D. (2012). The AAO fiber instrument data simulator. Ground-Based and Airborne Instrumentation for Astronomy IV, Bellingham: SPIE Proceedings. [More Information]
  • Wylie-De Boer, E., Freeman, K., De Silva, G. (2012). The power of chemical tagging for studying Galactic evolution. 12th International Symposium on Nuclei in the Cosmos, NIC 2012, Cairns, Australia: XII International Symposium on Nuclei in the Cosmos.
  • Barden, S., Jones, D., Barnes, S., Heijmans, J., Heng, A., Knight, G., Orr, D., Churilov, V., Brzeski, J., Waller, L., Bland-Hawthorn, J., et al (2010). HERMES: revisions in the design for a high-resolution multi-element spectrograph for the AAT. SPIE Conference on Ground-based and Airborne Instrumentation for Astronomy III, USA: SPIE Society of Photo-Optical Instrumentation Engineers. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J. (2009). Chemically tagging the Galactic disk: abundance patterns of old open clusters. International Astronomical Union (IAU) Symposium No. 254 2008 - The Galaxy Disk in Cosmological Context, United Kingdom: Cambridge University Press.

2017

  • D'Orazi, V., De Silva, G., Melo, C. (2017). First determination of s -process element abundances in pre-main sequence clusters: Y, Zr, La, and Ce in IC 2391, the Argus association, and IC 2602. Astronomy and Astrophysics, 598. [More Information]
  • Martell, S., Sharma, S., Buder, S., Duong, L., Schlesinger, K., Simpson, J., Lind, K., Ness, M., Marshall, J., Asplund, M., Bland-Hawthorn, J., De Silva, G., Kos, J., Huber, D., Lewis, G., Stello, D., et al (2017). The GALAH survey: Observational overview and Gaia DR1 companion. Monthly Notices of the Royal Astronomical Society, 465(3), 3203-3219. [More Information]

2016

  • MacLean, B., Campbell, S., De Silva, G., Lattanzio, J., D'Orazi, V., Simpson, J., Momany, Y. (2016). An extreme paucity of second population AGB stars in the 'normal' globular cluster M4. Monthly Notices of the Royal Astronomical Society: Letters, 460(1), L69-L73. [More Information]
  • Anguiano, B., De Silva, G., Freeman, K., Da Costa, G., Zwitter, T., Quillen, A., Zucker, D., Navarro, J., Kunder, A., Siebert, A., Sharma, S., Bland-Hawthorn, J., et al (2016). Identification of Globular Cluster Stars in RAVE data II: Extended tidal debris around NGC 3201. Monthly Notices of the Royal Astronomical Society, 457(2), 2078-2085. [More Information]
  • Simpson, J., De Silva, G., Bland-Hawthorn, J., Freeman, K., Martell, S., Schlesinger, K., Sharma, S., Zucker, D., Zwitter, T., Kos, J., et al (2016). The GALAH survey: Relative throughputs of the 2dF fibre positioner and the HERMES spectrograph from stellar targets. Monthly Notices of the Royal Astronomical Society, 459(1), 1069-1081. [More Information]
  • Campbell, S., Constantino, T., D'Orazi, V., Meakin, C., Stello, D., Christensen-Dalsgaard, J., Kuehn, C., De Silva, G., Arnett, W., Lattanzio, J., et al (2016). Towards 21st century stellar models: Star clusters, supercomputing and asteroseismology. Astronomische Nachrichten, 337(8/9), 788-792. [More Information]

2015

  • De Silva, G., Carraro, G., D’Orazi, V., Efremova, V., Macpherson, H., Martell, S., Rizzo, L. (2015). Binary open clusters in the Milky Way: photometric and spectroscopic analysis of NGC 5617 and Trumpler 22. Monthly Notices of the Royal Astronomical Society, 453(1), 106-112. [More Information]
  • Sheinis, A., Anguiano, B., Asplund, M., Bacigalupo, C., Barden, S., Birchall, M., Bland-Hawthorn, J., Brzeski, J., Cannon, R., Carollo, D., De Silva, G., Kos, J., Sharma, S., et al (2015). First light results from the High Efficiency and Resolution Multi-Element Spectrograph at the Anglo-Australian Telescope. Journal of Astronomical Telescopes, Instruments, and Systems, 1(3), 1-18. [More Information]
  • MacClean, B., De Silva, G., Lattanzio, J. (2015). O, Na, Ba and Eu abundance patterns in open clusters. Monthly Notices of the Royal Astronomical Society, 446(5), 3556-3561. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J., Martell, S., Wylie-De Boer, E., Asplund, M., Keller, S., Sharma, S., Zucker, D., Zwitter, T., Lewis, G., Stello, D., et al (2015). The GALAH survey: Scientific motivation. Monthly Notices of the Royal Astronomical Society, 449(3), 2604-2617. [More Information]
  • Quillen, A., Anguiano, B., De Silva, G., Freeman, K., Zucker, D., Minchev, I., Bland-Hawthorn, J. (2015). The parent populations of six groups identified from chemical tagging in the solar neighbourhood. Monthly Notices of the Royal Astronomical Society, 450(3), 2354-2366. [More Information]

2014

  • Sheinis, A., Barden, S., Birchall, M., Carollo, D., Bland-Hawthorn, J., Brzeski, J., Case, S., Cannon, R., Churilov, V., Couch, W., et al (2014). First Light Results from the Hermes Spectrograph at the AAT. Ground-Based and Airborne Instrumentation for Astronomy V, Bellingham, Washington: SPIE - International Society for Optical Engineering. [More Information]
  • Helmi, A., Williams, M., Freeman, K., Bland-Hawthorn, J., De Silva, G. (2014). More pieces of the puzzle: Chemistry and substructures in the galactic thick disk. The Astrophysical Journal, 791(2), 1-6. [More Information]
  • Mitschang, A., De Silva, G., Zucker, D., Anguiano, B., Bensby, T., Feltzing, S. (2014). Quantitative chemical tagging, stellar ages and the chemo-dynamical evolution of the Galactic disc. Monthly Notices of the Royal Astronomical Society, 438(4), 2753-2764. [More Information]
  • Carraro, G., De Silva, G., Monaco, L., Milone, A., Mateluna, R. (2014). Updated properties of the old open cluster Melotte 66: Searching for multiple stellar populations. Astronomy and Astrophysics, 566, 1-13. [More Information]

2013

  • Mitschang, A., De Silva, G., Sharma, S., Zucker, D. (2013). Quantifying chemical tagging: Towards robust group finding in the Galaxy. Monthly Notices of the Royal Astronomical Society, 428(3), 2321-2332. [More Information]
  • De Silva, G., D'Orazi, V., Melo, C., Torres, C., Gieles, M., Quast, G., Sterzik, M. (2013). Search for associations containing young stars: chemical tagging IC 2391 and the Argus association. Monthly Notices of the Royal Astronomical Society, 431(2), 1005-1018. [More Information]

2012

  • Mitschang, A., De Silva, G., Zucker, D. (2012). Elemental abundances of intermediate-age open cluster NGC 3680. Monthly Notices of the Royal Astronomical Society, 422(4), 3527-3534. [More Information]
  • Ting, Y., De Silva, G., Freeman, K., Parker, S. (2012). High-resolution elemental abundance analysis of the open cluster IC 4756. Monthly Notices of the Royal Astronomical Society, 427(1), 882-892. [More Information]
  • Heijmans, J., Asplund, M., Barden, S., Birchall, M., Carollo, D., Bland-Hawthorn, J., Brzeski, J., Case, S., Churilov, V., Colless, M., et al (2012). Integrating the HERMES spectrograph for the AAT. Ground-Based and Airborne Instrumentation for Astronomy IV, Bellingham: SPIE Proceedings. [More Information]
  • Ting, Y., Freeman, K., Kobayashi, C., De Silva, G., Bland-Hawthorn, J. (2012). Principal component analysis on chemical abundances spaces. Monthly Notices of the Royal Astronomical Society, 421(2), 1231-1255. [More Information]
  • Goodwin, M., Farrell, T., Smedly, S., Heald, R., Heijmans, J., De Silva, G., Carollo, D. (2012). The AAO fiber instrument data simulator. Ground-Based and Airborne Instrumentation for Astronomy IV, Bellingham: SPIE Proceedings. [More Information]
  • Wylie-De Boer, E., Freeman, K., De Silva, G. (2012). The power of chemical tagging for studying Galactic evolution. 12th International Symposium on Nuclei in the Cosmos, NIC 2012, Cairns, Australia: XII International Symposium on Nuclei in the Cosmos.

2011

  • De Silva, G., Freeman, K., Bland-Hawthorn, J., Asplund, M., Williams, M., Holmberg, J. (2011). High-resolution elemental abundance analysis of the Hyades supercluster. Monthly Notices of the Royal Astronomical Society, 415(1), 563-575. [More Information]

2010

  • Sana, H., Momany, Y., Gieles, M., Carraro, G., Beletsky, Y., Ivanov, V., De Silva, G., James, G. (2010). A MAD view of Trumpler 14. Astronomy and Astrophysics, 515(4), 1-14. [More Information]
  • Barden, S., Jones, D., Barnes, S., Heijmans, J., Heng, A., Knight, G., Orr, D., Churilov, V., Brzeski, J., Waller, L., Bland-Hawthorn, J., et al (2010). HERMES: revisions in the design for a high-resolution multi-element spectrograph for the AAT. SPIE Conference on Ground-based and Airborne Instrumentation for Astronomy III, USA: SPIE Society of Photo-Optical Instrumentation Engineers. [More Information]

2009

  • Hubrig, S., Castelli, F., De Silva, G., Gonzalez, J., Momany, Y., Netopil, M., Moehler, S. (2009). A high-resolution study of isotopic composition and chemical abundances of blue horizontal branch stars in the globular clusters NGC 6397 and NGC 6752. Astronomy and Astrophysics, 499, 865-878. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J. (2009). Chemically tagging the Galactic disk: abundance patterns of old open clusters. International Astronomical Union (IAU) Symposium No. 254 2008 - The Galaxy Disk in Cosmological Context, United Kingdom: Cambridge University Press.
  • De Silva, G., Gibson, B., Lattanzio, J., Asplund, M. (2009). O and Na abundance patterns in open clusters of the Galactic disk. Astronomy and Astrophysics, 500(2), L25-L28. [More Information]
  • De Silva, G., Freeman, K., Bland-Hawthorn, J. (2009). Reconstructing Fossil Sub-structures of the Galactic Disk: Clues from Abundance Patterns of Old Open Clusters and Moving Groups. Publications of the Astronomical Society of Australia (PASA), 26(1), 11-16. [More Information]

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