Dr. Povilas Palunas Profile

Dr. Povilas Palunas

Telescope Scientist at Las Campanas Observatory

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 25 July 2024 Presentation + Paper

Presentation + Paper

Magellan instrumentation suite

F. Di Mille, P. Palunas, D. Osip, M. Mora, L. Infante, G. Blanc, J. Araya, J. Bravo, E. Cerda, C. Contreras, N. David, M. Diaz, J. Espoz, M. Flores, C. Fuentes, J. Gallardo, N. Gonzalez, P. Jones, R. Leyton, M. Martinez, V. Merino, H. Nunez, G. Prieto, A. Rivera, H. Rivera, H. Rojas, F. Sanchez, N. Soto, A. Suarez, L. Zumaran

Proceedings Volume 13098, 130980D (2024) https://doi.org/10.1117/12.3019694

KEYWORDS: Equipment, Telescopes, Spectrographs, Optical instrument design, Astronomical imaging, Imaging systems, Imaging spectroscopy

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Proceedings Article | 18 July 2024 Presentation + Paper

Presentation + Paper

The SDSS-V Local Volume Mapper Instrument

Nicholas Konidaris, Thomas Herbst, Cynthia Froning, Stefanie Wachter, Solange Ramírez, Juna Kollmeier, Hans-Walter Rix, Niv Drory, Guillermo Blanc, Jose Sánchez-Gallego, Carlos Godoy Alfaro, Hojae Ahn, Leon Aslan, Felipe Besser, Pavan Bilgi, Peter Bizenberger, Dmitry Bizyaev, Julia Brady, Rebecca Brown, Florian Briegel, Mauricio Flores Cabrales, Scott Case, John Donor, Tobias Feger, Wolfgang Gaessler, Maximilian Häberle, Ellen Houston, Charlie Hull, Amy Jones, Changgon Kim, Vince Kowal, Yevgen Kripak, Kathryn Kreckel, Markus Kuhlberg, Alicia Lanz, Michael Lesser, Richard Mathar, Lars Mohr, Francisco Morales, Soojong Pak, Povilas Palunas, Richard Pogge, Christopher Ritz, David Robertson, Marcelo Rodriguez, Ralf-Rainer Rohloff, Alan Uomoto, Ming Yeong, Abner Zapata, Ross Zhelem

Proceedings Volume 13096, 130961Z (2024) https://doi.org/10.1117/12.3019892

KEYWORDS: Spectrographs, Telescopes, Cryostats, Observatories, Equipment, Lens arrays, Image quality, Mirrors, Lanthanum, Charge-coupled devices

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Proceedings Article | 29 August 2022 Poster + Paper

Poster + Paper

MegaMapper: concept and optical design for a 6.5m aperture massively multiplexed spectroscopic facility

Guillermo Blanc, Joseph Harry Silber, Stephen Smee, Robert Barkhouser, Robert Besuner, Jeffrey Crane, Juna Kollmeier, Povilas Palunas, David Schlegel, Stephen Shectman, Ricardo Araujo, Charlie Baltay, Mohamed Bouri, Emily Farr, Julien Guy, Leopoldo Infante, Jean-Paul Kneib, Travis Mandeville, Claire Poppett, David Rabinowitz, Solange Ramirez, Michael Schubnell, Joshua Simon, Markus Thurneysen, Sarah Tuttle, William Van Shourt, Stefanie Wachter

Proceedings Volume 12182, 1218230 (2022) https://doi.org/10.1117/12.2625992

KEYWORDS: Telescopes, Spectrographs, Mirrors, Optical design, Spectroscopy, Robots, Optical instrument design, Multiplexing, Robotics, Image quality

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Proceedings Article | 25 August 2022 Presentation + Paper

Presentation + Paper

Las Campanas Observatory operations: current scheme and future challenges

F. Di Mille, G. Blanc, K. Boutsia, L. Infante, D. Osip, P. Palunas, M. Phillips, L. Zumaran

Proceedings Volume 12186, 121861E (2022) https://doi.org/10.1117/12.2629767

KEYWORDS: Telescopes, Observatories, Mirrors, Spectrographs, Coating, Reflectivity

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Upgrades to the Magellan Telescopes mirror coating process

Juan Espoz, Nicole David, Povilas Palunas

Proceedings Volume 11451, 114515R (2020) https://doi.org/10.1117/12.2563629

KEYWORDS: Mirrors, Telescopes, Coating, Inductance, Aluminum, Silicon, Resistance

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Proceedings Article | 10 July 2018 Presentation + Paper

Presentation + Paper

Las Campanas Observatory

F. Di Mille, K. Boutsia, L. Infante, D. Osip, P. Palunas, M. Phillips

Proceedings Volume 10704, 107041S (2018) https://doi.org/10.1117/12.2312825

KEYWORDS: Telescopes, Spectrographs, Observatories, Cameras, Mirrors, Imaging spectroscopy, CCD cameras, Imaging systems

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Proceedings Article | 27 July 2016 Paper

Paper

Nonlinear transient survival level seismic finite element analysis of Magellan ground based telescope

Matt Griebel, Christine Buleri, Andrew Baylor, Steve Gunnels, Charlie Hull, Povilas Palunas, Mark Phillips

Proceedings Volume 9906, 99061N (2016) https://doi.org/10.1117/12.2230725

KEYWORDS: Telescopes, Earthquakes, Finite element methods, Observatories, Transient nonlinear optics, Mirrors, Finite element methods, Connectors, Near infrared, Polonium, Liquid crystal on silicon

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Proceedings Article | 24 September 2012 Paper

Paper

The F/5 instrumentation suite for the Clay Telescope

A. Szentgyorgyi, B. McLeod, D. Fabricant, R. Fata, T. Norton, M. Ordway, J. Roll, H. Bergner, M. Conroy, D. Curley, H. Epps, T. Gauron, J. Geary, M. Mueller, A. Uomoto, S. Amato, J. Barberis, R. Eng, G. Furesz, E. Hertz, C. Hull, K. McCracken, G. Nystrom, D. Osip, P. Palunas, F. Perez, F. Sanchez, V. Suc, D. Weaver, D. Woods

Proceedings Volume 8446, 844628 (2012) https://doi.org/10.1117/12.925510

KEYWORDS: Telescopes, Wavefront sensors, Mirrors, Charge-coupled devices, Space telescopes, Interfaces, Observatories, Lanthanum, Camera shutters, Optical instrument design

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Proceedings Article | 4 August 2010 Paper

Paper

The Magellan Telescopes: a performance update

Povilas Palunas, David Floyd, Glenn Eychaner, David Osip, Paul Schechter

Proceedings Volume 7733, 77331I (2010) https://doi.org/10.1117/12.857805

KEYWORDS: Telescopes, Monochromatic aberrations, Mirrors, Wavefront sensors, Collimation, Image quality, Wavefronts, Cameras, Space telescopes, Active optics

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Proceedings Article | 23 July 2008 Paper

Paper

Focal ratio degradation and transmission in VIRUS-P optical fibers

Jeremy Murphy, Phillip MacQueen, Gary Hill, Frank Grupp, Andreas Kelz, Povilas Palunas, Martin Roth, Alexander Fry

Proceedings Volume 7018, 70182T (2008) https://doi.org/10.1117/12.788411

KEYWORDS: Mirrors, Optical fibers, Optical fabrication, Spectrographs, Polishing, Silica, Head, Cameras, Observatories, Telescopes

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Proceedings Article | 12 July 2008 Paper

Paper

Magellan Telescopes operations 2008

David Osip, Mark Phillips, Povilas Palunas, Frank Perez, M. Leroy

Proceedings Volume 7016, 701609 (2008) https://doi.org/10.1117/12.790028

KEYWORDS: Telescopes, Observatories, Space telescopes, Mirrors, Lanthanum, Electronics, Cameras, Liquid crystal on silicon, Electronics engineering, Imaging systems

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Proceedings Article | 9 July 2008 Paper

Paper

Present and future instrumentation for the Hobby-Eberly Telescope

Gary Hill, Phillip MacQueen, Povilas Palunas, Stuart Barnes, Matthew Shetrone

Proceedings Volume 7014, 701406 (2008) https://doi.org/10.1117/12.788225

KEYWORDS: Optical fibers, Spectrographs, Telescopes, Mirrors, Image quality, Cameras, Prototyping, Wavefront sensors, Lawrencium, Spectral resolution

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Proceedings Article | 6 July 2006 Paper

Paper

Prototype development of the integral-field unit for VIRUS

Andreas Kelz, Svend Bauer, Frank Grupp, Gary Hill, Emil Popow, Povilas Palunas, Martin Roth, Phillip MacQueen, Ute Tripphahn

Proceedings Volume 6273, 62733W (2006) https://doi.org/10.1117/12.672878

KEYWORDS: Optical fibers, Spectrographs, Prototyping, Manufacturing, Capillaries, Polishing, Head, Computer aided design, Collimators, Tolerancing

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Proceedings Article | 30 June 2006 Paper

Paper

VIRUS: a massively replicated integral-field spectrograph for HET

Gary Hill, Phillip MacQueen, Joseph Tufts, Andreas Kelz, Martin Roth, Werner Altmann, Pedro Segura, Karl Gebhardt, Povilas Palunas

Proceedings Volume 6269, 62692J (2006) https://doi.org/10.1117/12.672630

KEYWORDS: Spectrographs, Telescopes, Prototyping, Mirrors, Cameras, Collimators, Sensors, Space telescopes, Charge-coupled devices, Galactic astronomy

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Proceedings Article | 27 June 2006 Paper

Paper

Present and future instrumentation for the Hobby-Eberly Telescope

Gary Hill, Phillip MacQueen, Povilas Palunas, Matthew Shetrone, John Booth

Proceedings Volume 6269, 626907 (2006) https://doi.org/10.1117/12.672642

KEYWORDS: Mirrors, Spectrographs, Telescopes, Lawrencium, Image quality, Image segmentation, Optical fibers, Metrology, Reflectivity, Galactic astronomy

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Proceedings Article | 23 June 2006 Paper

Paper

The wide field upgrade for the Hobby-Eberly Telescope

John Booth, Phillip MacQueen, John Good, Gordon Wesley, Gary Hill, Povilas Palunas, Pedro Segura, Robert Calder

Proceedings Volume 6267, 62673W (2006) https://doi.org/10.1117/12.672694

KEYWORDS: Telescopes, Mirrors, Optical instrument design, Image segmentation, Spectrometers, Spectrographs, Wavefront sensors, Image quality, Metrology, Control systems

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Proceedings Article | 23 June 2006 Paper

Paper

Imaging performance of the Hobby-Eberly Telescope

Povilas Palunas, Phillip MacQueen, John Booth, Robert Calder, James Fowler, Matthew Shetrone, Stephen Odewahn, Pedro Segura, Gordon Wesley, George Damm, Jerry Martin, P. Samuel Odoms

Proceedings Volume 6267, 62673V (2006) https://doi.org/10.1117/12.672700

KEYWORDS: Mirrors, Image segmentation, Telescopes, Distance measurement, Cameras, Control systems, Mars, Interferometers, Sensors, Optical spheres

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Proceedings Article | 30 September 2004 Paper

Paper

VIRUS: a massively replicated IFU spectrograph for HET

Gary Hill, Phillip MacQueen, Carlos Tejada, Francisco Cobos, Povilas Palunas, Karl Gebhardt, Niv Drory

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.552474

KEYWORDS: Spectrographs, Telescopes, Charge-coupled devices, Sensors, Prototyping, Ultraviolet radiation, Galactic astronomy, Adaptive optics, Spectral resolution, Mirrors

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Proceedings Article | 28 September 2004 Paper

Paper

The Hobby-Eberly Telescope: performance upgrades, status, and plans

John Booth, Mark Adams, Edwin Barker, Frank Bash, James Fowler, John Good, Gary Hill, Philip Kelton, David Lambert, Phillip MacQueen, Povilas Palunas, Lawrence Ramsey, Gordon Wesley

Proceedings Volume 5489, (2004) https://doi.org/10.1117/12.552500

KEYWORDS: Mirrors, Telescopes, Image segmentation, Image quality, Coating, Monochromatic aberrations, Space telescopes, Reflectivity, Aluminum, Cameras

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Proceedings Article | 15 September 2004 Paper

Paper

Control of the Hobby-Eberly Telescope primary mirror array with the segment alignment maintenance system

Povilas Palunas, James Fowler, John Booth, George Damm, Greg Ames

Proceedings Volume 5496, (2004) https://doi.org/10.1117/12.552410

KEYWORDS: Sensors, Mirrors, Space telescopes, Telescopes, Control systems, Calibration, Sensor calibration, Temperature metrology, Image quality, Process control

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Proceedings Article | 4 February 2003 Paper

Paper

The Hobby-Eberly Telescope completion project

John Booth, Marsha Wolf, James Fowler, Mark Adams, John Good, Philip Kelton, Edwin Barker, Povilas Palunas, Frank Bash, Lawrence Ramsey, Gary Hill, Phillip MacQueen, Mark Cornell, Edward Robinson

Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.458223

KEYWORDS: Telescopes, Mirrors, Image segmentation, Domes, Mars, Image quality, Simulation of CCA and DLA aggregates, Sensors, Electronics, Optical instrument design

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Proceedings Article | 4 February 2003 Paper

Paper

Hobby-Eberly Telescope segment alignment maintenance system

Mark Adams, Povilas Palunas, John Booth, James Fowler, Marsha Wolf, Gregory Ames, John Rakoczy, Edward Montgomery

Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.458006

KEYWORDS: Mirrors, Sensors, Telescopes, Space telescopes, Control systems, Image segmentation, Simulation of CCA and DLA aggregates, Image quality, Calibration, Observatories

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Proceedings Article | 4 February 2003 Paper

Paper

Mirror alignment recovery system (MARS) on the Hobby-Eberly Telescope

Marsha Wolf, Povilas Palunas, John Booth, Michael Ward, Allan Wirth, Gordon Wesley, Darragh O'Donoghue, Lawrence Ramsey

Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.458034

KEYWORDS: Mirrors, Image segmentation, Mars, Telescopes, Simulation of CCA and DLA aggregates, Beam splitters, Wavefront sensors, Collimators, Sensors, Image quality

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Showing 5 of 23 publications

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