Publications

Publications in Refereed Journals

Assessment of Systematic Chromatic Errors that Impact Sub-1% Photometric Precision in Large-area Sky Surveys
The Astronomical Journal, Volume 151, Issue 6, article id. 157, 16 pp. (2016). Li, T. S.; DePoy, D. L.; Marshall, J. L.; Tucker, D.; Kessler, R.; Annis, J.; Bernstein, G. M.; Boada, S.; Burke, D. L.; Finley, D. A.; James, D. J.; Kent, S.; Lin, H.; Marriner, J.; Mondrik, N.; Nagasawa, D.; Rykoff, E. S.; Scolnic, D.; Walker, A. R.; Wester, W.; Abbott, T. M. C.; Allam, S.; Benoit-Lévy, A.; Bertin, E.; Brooks, D.; Capozzi, D.; Carnero Rosell, A.; Carrasco Kind, M.; Carretero, J.; Crocce, M.; Cunha, C. E.; D'Andrea, C. B.; da Costa, L. N.; Desai, S.; Diehl, H. T.; Doel, P.; Flaugher, B.; Fosalba, P.; Frieman, J.; Gaztanaga, E.; Goldstein, D. A.; Gruen, D.; Gruendl, R. A.; Gutierrez, G.; Honscheid, K.; Kuehn, K.; Kuropatkin, N.; Maia, M. A. G.; Melchior, P.; Miller, C. J.; Miquel, R.; Mohr, J. J.; Neilsen, E.; Nichol, R. C.; Nord, B.; Ogando, R.; Plazas, A. A.; Romer, A. K.; Roodman, A.; Sako, M.; Sanchez, E.; Scarpine, V.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, R. C.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Tarle, G.; Thomas, D.; Vikram, V. adsabs: 2016AJ....151..157L

Spectral (600-1050 nm) Time Exposures (99.6 microseconds) of a Lightning Stepped Leader
Journal of Geophysical Research: Atmospheres, Volume 116, Issue D12, CiteID D12210 Orville, R., Warner, T., Marshall, J. L., and Huggins, K. 2011, J. Geophys. Res., 116, D12210, adsabs: 2011JGRD..11612210W

The Carnegie Supernova Project: Second Photometry Data Release of Low-redshift Type Ia Supernovae
The Astronomical Journal, Volume 142, Number 5 (2011) Stritzinger, Maximilian D.; Phillips, M. M.; Boldt, Luis N.; Burns, Chris; Campillay, Abdo; Contreras, Carlos; Gonzalez, Sergio; Folatelli, Gastón; Morrell, Nidia; Krzeminski, Wojtek; Roth, Miguel; Salgado, Francisco; DePoy, D. L.; Hamuy, Mario; Freedman, Wendy L.; Madore, Barry F.; Marshall, J. L.; Persson, Sven E.; Rheault, Jean-Philippe; Suntzeff, Nicholas B.; Villanueva, Steven; Li, Weidong; Filippenko, Alexei V.; 2011, Astronomical Journal, Volume 142, Issue 5; doi:10.1088/0004-6256/142/5/156

White Papers

The Dark Energy Spectrometer (DESpec): A Multi-Fiber Spectroscopic Upgrade of the Dark Energy Camera and Survey for the Blanco Telescope
F. Abdalla, J. Annis, D. Bacon, S. Bridle, F. Castander, M. Colless, D. DePoy, H. T. Diehl, M. Eriksen, B. Flaugher, J. Frieman, E. Gaztanaga, C. Hogan, S. Jouvel, S. Kent, D. Kirk, R. Kron, S. Kuhlmann, O. Lahav , J. Lawrence, H. Lin, J. Marriner, J. Marshall, J. Mohr, R. C. Nichol, M. Sako, W. Saunders, M. Soares-Santos, D. Thomas, R. Wechsler, A. West, H. Wu arxiv: :1209.2451

Conference Presentations

SPIE Meeting 2022

The Exoplanet Transmission Spectroscopy Imager (ETSI), a new instrument for rapid characterization of exoplanet atmospheres
Luke M. Schmidt, Mary Anne Limbach, Erika Cook, D. L. DePoy, Ryan J. Oelkers, J. L. Marshall, Landon Holcomb, Willians Pena, Jacob Purcell, Enrique Gonzalez Vega, "," Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 1218486 (29 August 2022); https://doi.org/10.1117/12.2630196
(PDF) (Poster)

The conceptual design of SCal: a facility calibration system for the Maunakea Spectroscopic Explorer
Luke M. Schmidt, Jennifer L. Marshall, Darren L. DePoy, Samuel C. Barden, "," Proc. SPIE 12186, Observatory Operations: Strategies, Processes, and Systems IX, 121861P (25 August 2022); https://doi.org/10.1117/12.2630252
(PDF) (Poster)

Reflectivity characterization of various black and white materials
Luke M. Schmidt, Brant Conway, Darren L. DePoy, Jennifer L. Marshall, Ryan J. Oelkers, "," Proc. SPIE 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V, 121884W (29 August 2022); https://doi.org/10.1117/12.2630244
(PDF) (Poster)

SPIE Meeting 2020

The Exoplanet Transmission Spectroscopy Imager (ETSI)
Mary Anne Limbach, Luke M. Schmidt, D. L. DePoy, Jeffrey C. Mason, Mike Scobey, Pat Brown, Chelsea Taylor, Jennifer L. Marshall, "," Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114477D (13 December 2020); https://doi.org/10.1117/12.2562371
(PDF) (Poster)

Further development and testing of TCal: a mobile spectrophotometric calibration unit for astronomical imaging systems
P. S. Ferguson, L. Barba, D. L. DePoy, L. M. Schmidt, J. L. Marshall, T. Prochaska, L. Bush, J. Mason, M. Sauseda, Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114475U (13 December 2020); https://doi.org/10.1117/12.2562736
(PDF) (Poster)

Characterization of the reflectivity of various black and white materials
Luke M. Schmidt, Lauren N. Aldoroty, Yasin Alam, Leonardo Bush, D. L. DePoy, Matthew Holden, Doyeon Kim, J. L. Marshall, Mason Perkey, Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 114512S (13 December 2020); https://doi.org/10.1117/12.2562759
(PDF) (Poster)

SPIE Meeting 2018

Characterization of the reflectivity of various black materials II
Schmidt, Luke M.; Gomez, Madelynn; Kim, Doyeon; Torregosa, Michael; Sauseda, Marcus; Prochaska, Travis; DePoy, D. L.; Marshall, J. L.; Gardner, Lawrence; and Grant, Walter. In Proc. SPIE, 10706–195, 2018
(PDF) (Poster)

Characterization of the reflectivity of various white materials
Schmidt, Luke M.; Gomez, Madelynn; Kim, Doyeon; Torregosa, Michael; Sauseda, Marcus; Prochaska, Travis; DePoy, D. L.; Marshall, J. L.; Gardner, Lawrence; and Grant, Walter. In Proc.SPIE, 10706–196, 2018.
(PDF) (Poster)

GMACS: a wide-field, moderate-resolution spectrograph for the Giant Magellan Telescope
DePoy, Darren L.; Schmidt, Luke M.; Ribeiro, Rafael; Taylor, Keith; Jones, Damien; Prochaska, Travis; Marshall, Jennifer L.; Cook, Erika; Froning, Cynthia; Ji, Tae-Geun; Lee, Hye-In; Faes, D. M.; Souza, Aline; Bortoletto, D.; Mendes de Oliveira, Claudia; Pak, Soojong; and Papovich, Casey. In Proc. SPIE, 10702–69, 2018.
(PDF)

The optical design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)
Ribeiro, Rafael A. S.; Schmidt, Luke M.; Jones, Damien; Taylor, Keith; Prochaska, Travis; Cook, Erika; DePoy, Darren L.; Faes, Daniel M.; Froning, Cynthia; Ji, Tae-Geun; Lee, Hye-In; Marshall, Jennifer L.; Mendes de Oliveira, Claudia; Pak, Soojong; Papovich, Casey; and Souza, Aline. In Proc. SPIE, 10702–340, 2018.
(PDF) (Poster)

The optomechanical design of the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)
Prochaska, Travis; Albert, Carson; Beck, James; Cook, Erika; DePoy, Darren L.; Faes, Daniel M.; Froning, Cynthia; Grant, Walter; Gutierrez, Isaac; Ji, Tae-Geun; Jones, Damien; Lee, Hye-In; Marshall, Jennifer L.; Mendes de Oliveira, Claudia; Pak, Soojong; Papovich, Casey; Ribeiro, Rafael; Sauseda, Marcus; Schmidt, Luke M.; Souza, Aline; Taylor, Keith; and Williams, Darius. In Proc. SPIE, 10702–364, 2018.
(PDF) (Poster)

Electronics prototypes for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)
Cook, Erika; Prochaska, Travis; Lee, Hye-In; Ji, Tae-Geun; Pak, Soojong; DePoy, Darren L.; Marshall, Jennifer L.; Schmidt, Luke M.; Faes, Daniel M.; Froning, Cynthia; Jones, Damien; Mendes de Oliveira, Claudia; Papovich, Casey; Ribeiro, Rafael A. S.; Souza, Aline; and Taylor, Keith. In Proc. SPIE, 10702–365, 2018.
(PDF) (Poster)

Systems engineering applied to ELT instrumentation: The GMACS case
Faes, Daniel M.; Souza, Aline; Froning, Cynthia; Schmidt, Luke M.; Bortoletto, D.; Cook, Erika; DePoy, Darren L., Ji, Tae-Geun; Jones, Damien; Lee, Hye-In; Marshall, Jennifer L.; Mendes de Oliveira, Claudia; Pak, Soojong; Papovich, Casey; Prochaska, Travis; Ribeiro, Rafael A. S.; and Taylor, Keith. In ArXiv e-prints, arXiv:1806.06390 2018.
(PDF) (Poster)

Development of TCal: a mobile spectrophotometric calibration unit for astronomical imaging systems
Ferguson, Peter; DePoy, Darren L.; Schmidt, Luke; Marshall, Jennifer L.; Prochaska, Travis; Freeman, Daniel; Gardner, Lawrence; Gutierrez, Isaac; Kim, Doyeon; Kunnummal, Zeeshan; Sauseda, Marcus; Sharp, Hugh; and Torregosa, Michael. In Proc. SPIE, 10702–119, 2018.
(PDF) (Poster)

MADLaSR: multi-angle detector of Lambertian and specular reflectivity
Gardner, Lawrence E.; Prochaska, Travis; Schmidt, Luke M.; Marshall, Jennifer L.; Sauseda, Marcus; Torregosa, Michael; and DePoy, Darren L.. In Proc.SPIE, 10706–166, 2018.
(PDF) (Poster)

Optical design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS): design methodology, issues, and trade-offs
Ribeiro, Rafael A.S.; Jones, Damien; Schmidt, Luke M.; Taylor, Keith; Cook, Erika; DePoy, Darren L.; Faes, Daniel; Froning, Cynthia; Ji, Tae-Geun; Lee, Hye-In; Marshall, Jennifer L.; Mendes de Oliveira, Claudia; Pak, Soojong; Papovich, Casey; Prochaska, Travis; and Souza, Aline. In Proc.SPIE, 10690–14, 2018.
(PDF) (Poster)

Dark energy survey operations: years 4 and 5
Diehl, H. T.; Neilsen, E.; Gruendl, R. A.; Abbott, T. M. C.; Allam, S.; Alvarez, O.; Annis, J.; Balbinot, E.; Bhargava, S.; Bechtol, K.; Bernstein, G. M.; Bhatawdekar, R.; Bocquet, S.; Brout, D.; Capasso, R.; Cawthon, R.; Chang, C.; Cook, E.; Conselice, C. J.; Cruz, J.; D'Andrea, C.; da Costa, L.; Das, R.; DePoy, D. L.; Drlica-Wagner, A.; Elliott, A.; Everett, S. W.; Frieman, J.; Fausti Neto, A.; Ferté, A.; Friswell, I.; Furnell, K. E.; Gelman, L.; Gerdes, D. W.; Gill, M. S. S.; Goldstein, D. A.; Gruen, D.; Gulledge, D. J.; Hamilton, S.; Hollowood, D.; Honscheid, K.; James, D. J.; Johnson, M. D.; Johnson, M. W. G.; Kent, S.; Kessler, R. S.; Khullar, G.; Kovacs, E.; Kremin, A.; Kron, R.; Kuropatkin, N.; Lasker, J.; Lathrop, A.; Li, T. S.; Manera, M.; March, M.; Marshall, J. L.; Medford, M.; Menanteau, F.; Mohammed, I.; Monroy, M.; Moraes, B.; Morganson, E.; Muir, J.; Murphy, M.; Nord, B.; Pace, A. B.; Palmese, A.; Park, Y.; Paz-Chinchón, F.; Pereira, M. E. S.; Petravick, D.; Plazas, A. A.; Poh, J.; Prochaska, T.; Romer, A. K.; Reil, K.; Roodman, A.; Sako, M.; Sauseda, M.; Scolnic, D.; Secco, L. F.; Sevilla-Noarbe, I.; Shipp, N.; Smith, J. A.; Soares-Santos, M; Soergel, B.; Stebbins, A.; Story, K. T.; Stringer, K.; Tarsitano, F.; Thomas, B.; Tucker, D. L.; Vivas, K.; Walker, A. R.; Wang, M.-Y.; Weaverdyck, C.; Weaverdyck, N.; Wester, W.; Wethers, C. F.; Wilkenson, R.; Wu, H.-Y; Yanny, B.; Zenteno, A.; and Zhang, Y.
(Online)

VIRUS: status and performance of the massively-replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope
Hill, Gary J.; Kelz, Andreas; Lee, Hanshin; MacQueen, Phillip; Peterson, Trent W.; Ramsey, Jason; Vattiat, Brian L.; DePoy, D. L.; Drory, Niv; Gebhardt, Karl; Good, John M.; Jahn, Thomas; Kriel, Herman; Marshall, J. L.; Tuttle, Sarah E.; Zeimann, Greg; Balderrama, Edmundo; Bryant, Randy; Buetow, Brent; Chonis, Taylor S.; Damm, George; Fabricius, Maximilian H.; Farrow, Daniel; Fowler, James R.; Froning, Cynthia; Haynes, Dionne M.; Indahl, Briana L.; Martin, Jerry; Montesano, Francesco; Mrozinski, Emily; Nicklas, Harald; Noyola, Eva; Odewahn, Stephen; Peterson, Andrew; Prochaska, Travis; Rostopchin, Sergey; Shetrone, Matthew; Smith, Greg; Snigula, Jan M.; Spencer, Renny; Westfall, Amy; Armandroff, Taft; Bender, Ralf; Dalton, Gavin; and Steinmetz, Matthias
(Online)

Wide-field multi-object spectroscopy with MANIFEST
Lawrence, Jon; Ben-Ami, Sagi; Brown, David M.; Brown, Rebecca ; Case, Scott; Chin, Timothy; Colless, Matthew; Contos, Adam; Depoy, Darren; Evans, Ian; Faes, Daniel; Farrell, Tony; Gillingham, Peter; Goodwin, Michael; Hong, Sungwook E.; Hwang, Narae; Jeong, Wong-Seob; Klauser, Urs; Kuehn, Kyler; Lorente, Nuria; Mali, Slavko; Marshall, Jennifer; McGregor, Helen; Muller, Rolf; Millan-Gabet, Rafael; Nichani, Vijay; Oliveria, Claudia; Ortolan, Henrique; Pai, naveen; Park, Sung-Joon; Prochaska, Travis; Saunders, Will; Schmidt, Luke; Souza, Aline; Szentgyorgyi, Andrew; Waller, Lew; and Zhelem, Ross
(Online)

VIRUS: the instrument infrastructure to support the deployment and upkeep of 156 spectrographs at the Hobby-Eberly telescope
Spencer, R.; Balderrama, E.; Damm, G.; Fowler, J.; Good, J.; Hill, G. J.; Kriel, H.; MacQueen, P.; Mrozinski, E.; Perry, D.; Peterson, T.; Shetrone, M.; Savage, R.; Smith, G.; Cook, E.; DePoy, D.; Marshall, J.; Prochaska, T.; and Sauceda, M.
(Online)

American Astronomical Society Meeting 2018

Slit Mask Design for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph
Williams, Darius; Marshall, Jennifer L.; Schmidt, Luke M.; Prochaska, Travis; and DePoy, Darren L.
(Abstract) (Poster)

AAS Winter Meeting 2017

Measuring the Stellar Kinematics of the S0 Galaxy NGC 4203
Zuzana I. Calbo, J. L. Walsh, A. J. Barth, R. C. E. van den Bosch, J. C. Shields, M. Sarzi 2017 AAS
(Abstract) (Poster)

DuOCam: A Two-Channel Camera for Simultaneous Photometric Observations of Stellar Clusters
Erin R. Maier, Emily M. Witt, D. L. DePoy, L. M. Schmidt 2017 AAS
(Abstract) (Poster)

Searching for RR Lyrae Variables in the Dark Energy Survey
Chandler Nielsen, J. L. Marshall, J. Long, Katelyn Stringer 2017 AAS
(Abstract) (Poster)

Probing the debris disks of nearby stars with Fermi-LAT
Alexander Riley, L. Strigari 2017 AAS
(Abstract)

Supernova Classification Using Swift UVOT Photometry
Madison Smith, P. J. Brown 2017 AAS
(Abstract)

SPIE Meeting 2016

Optomechanical Design Concept for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)
Travis Prochaska, Marcus Sauseda, James Beck, Luke Schmidt, Erika Cook, Darren L. DePoy, Jennifer L. Marshall, Rafael Ribeiro, Keith Taylor, Damien Jones, Cynthia Froning, Soojong Pak, Claudia Mendes de Oliveira, Casey Papovich, Tae-Geun Ji, Hye-In Lee 2016, Proc. SPIE, Vol. 9908, 375 doi:10.1117/12.2233530
(PDF) (Online) (Poster)

Optical design concept for the Giant Magellan Telescope Multi-object Astronomical and Cosmological Spectrograph (GMACS)
Schmidt, L., Ribeiro, R., Taylor, K., Jones, D., Prochaska, T., DePoy, D.L., Marshall, J.L., Cook, E., Froning, Ji, T., Lee, H., C., Mendes de Oliveira, C., Pak, S., Papovich, C. 2016, Proc. SPIE, Vol. 9908, 376 doi:10.1117/12.2233543
(PDF) (Online) (Poster)

VIRUS Early Installation and Commissioning
Sarah E. Tuttle, Gary J. Hill, Brian L. Vattiat, Hanshin Lee, Niv Drory, Andreas Kelz, Jason Ramsey, Trent Peterson, Eva Noyola, Darren L. DePoy, Jennifer L. Marshall, Taylor S. Chonis, Gavin Dalton, Maximilian Fabricius, Daniel Farrow, John M. Good, Dionne M. Haynes, Briana Indahl, Thomas Jahn, Hermanus Kriel, Harald Nicklas, Francesco Montesano, Travis Prochaska, Richard D. Allen, Martin Landriau, Phillip J. MacQueen, Martin M. Roth, Richard Savage, Jan M. Snigula 2016, Proc. SPIE, Vol. 9908 doi:10.1117/12.2231253
(PDF) (Online)

Throughput of Commercial Photographic Camera Lenses for Use in Astronomical Systems
D. Q. Nagasawa, N. Mondrik, J. L. Marshall, D. L. DePoy, L. Schmidt, B. Hill, L. Turner, J. P. Rheault 2016, Proc. SPIE, Vol. 9908 doi:10.1117/12.2233723
(PDF) (Online)

VIRUS First Deployment of the Massively Replicated Fiber Integral Field Spectrograph for the Upgraded Hobby-Eberly Telescope
Gary J. Hill, Sarah E. Tuttle, Brian L. Vattiat, Hanshin Lee, Niv Drory, Andreas Kelz, Jason Ramsey, D. L. DePoy, J. L. Marshall, Karl Gebhardt, Taylor Chonis, Gavin Dalton, Daniel Farrow, John M. Good, Dionne M. Haynes, Briana L. Indahl, Thomas Jahn, Hermanus Kriel, Francesco Montesano, Harald Nicklas, Eva Noyola, Travis Prochaska, Richard D. Allen, Guillermo Blanc, Maximilian H. Fabricius, Martin Landriau, Phillip J. MacQueen, M. M. Roth, R. D. Savage, Jan M. Snigula, Heiko Anwad 2016, Proc. SPIE, Vol. 9908 doi:10.1117/12.2231064
(PDF) (Online)

Instrumentation Progress at the Giant Magellan Telescope Project
George H. Jacoby, R. Bernstein, A. Bouchez, M Colless, D. DePoy, B. Espeland, D. Jaffe, J. Lawrence, J. Marshall, P. McGregor, R. Sharp, A. Szentgyorgyi, B. Walls, Jeff Crane, Alan Uomoto, Stephen Shectman, Tyson Hare 2016, Proc. SPIE, Vol. 9908 doi:10.1117/12.2232809
(PDF) (Online)

The MANIFEST Prototyping Design Study
Jonathan S. Lawrence, Sagi Ben-Ami, David M. Brown, Rebecca A. Brown, Scott Case, Steve Chapman, Vladimir Churilov, Matthew Colless, Robert Content, Darren Depoy, Ian Evans, Tony Farrell, Michael Goodwin, George Jacoby, Urs Klauser, Kyler Kuehn, Nuria P. F. Lorente, Slavko Mali, Jennifer Marshall, Rolf Muller, Vijay Nichani, Naveen Pai, Travis Prochaska, Will Saunders, Luke Schmidt, Keith Shortridge, Nicholas F. Staszak, Andrew Szentgyorgyi, Julia Tims, Minh V. Vuong, Lewis G. Waller, Ross Zhelem 2016, Proc. SPIE, Vol. 9908 doi:10.1117/12.2232412
(PDF) (Online)

The Dark Energy Survey and Operations: Years 1 to 3
H. T. Diehl, E. Neilsen, R. Gruendl, B. Yanny, T. M. C. Abbott, J. Aleksic, S. Allam, J. Annis, E. Balbinot, M. Baumer, L. Beaufore, K. Bechtol, G. Bernstein, S. Birrer, C. Bonnett, D. Brout, C. Bruderer, E. J. Buckley-Geer, D. Capozzi, A. Carnero Rosell, F. J. Castander, R. Cawthon, C. Chang, L. Clerkin, R. Covarrubias, C. Cuhna, C. D'Andrea, L. da Costa, R. Das, C. Davis, J. Dietrich, A. Drlica-Wagner, A. Elliott, T. F. Eifler, J. Etherington, B. L. Flaugher, J. Frieman, A. Fausti Neto, M. G. Fernández, C. Furlanetto, D. Gangkofner, D. W. Gerdes, D. A. Goldstein, K. Grabowski, R. R. Gupta, S. Hamilton, H. Head, J. Helsby, D. Hollowood, K. Honscheid, D. James, M. Johnson, M. W. G. Johnson, S. Jouvel, T. Kacprzac, S. Kent, R. Kessler, A. Kim, E. Krause, C. I. Krawiec, A. Kremin, R. Kron, S. Kuhlmann, N. Kuropatkin, O. Lahav, J. Lasker, T. S. Li, E. Luque, N. Maccrann, M. March, J. Marshall, N. P. Mondrik, E. P. Morganson, D. Mudd, A. Nadolski, P. Nugent, P. Melchior, F. Menanteau, D. Q. Nagasawa, B. Nord, R. Ogando, L. Old, A. Palmese, D. Petravick, A. A. Plazas, A. Pujol, A. B. A. Queiroz, K. Reil, A. K. Romer, R. Rosenfeld, A. Roodman, P. Rooney, M. Sako, A. I. Salvador, C. Sánchez, E. Sánchez Álvaro, B. X. Santiago, A. Schooneveld, M. Schubnell, E. Sheldon, A. Smith, R. C. Smith, M. Soares-Santos, F. Sobreira, M. Soumagnac, H. Spinka, S. S. Tie, D. Tucker, V. Vikram, K. Vivas, A. R. Walker, W. Wester, M. Wiesner, H. Wilcox, P. Williams, A. Zenteno, Y. Zhang, Z. Zhang 2016, Proc. SPIE, Vol. 9910 doi:10.1117/12.2233157
(PDF) (Online)

Deployment of the Hobby-Eberly Telescope Wide Field Upgrade
Gary J. Hill, Niv Drory, John M. Good, Hanshin Lee, Brian L. Vattiat, Herman Kriel, Jason Ramsey, Randy Briant, Linda Elliot, Jim Fowler, Marco Haeuser, Martin Landiau, Ron Leck, Stephen Odewahn, Dave Perry, Richard Savage, Emily Schroeder Mrozinski, Matthew Shetrone, D. L. DePoy, Travis Prochaska, J. L. Marshall, George Damm, Karl Gebhardt, Phillip J. MacQueen, Jerry Martin, Taft Armandroff, Lawrence W. Ramsey 2016, Proc. SPIE, Vol. 9906 doi:10.1117/12.2231063
(PDF) (Online)

DECam Community Science Workshop 2015

Calibrating DECam Data: the DECal and aTmCam Calibrations Systems
Marshall, J.L., Li, T.,2015
(PDF) (Poster)

SPIE Meeting 2014

Conceptual Design of a Low Resolution Spectograph for the Astronomical Observatory of Cordoba
Nagasawa, D.Q., DePoy, D.L., Marshall, J.L. 2014, Proc. SPIE, Vol. 9147, 94
(PDF) (Poster)

VIRUS Instrument Collimator Assembly
Marshall, J.L., DePoy, D.L., Prochaska, T., Allen, R.D., Akers, C., Baker, D., Boster, E., Campbell, C., Cook, E., Elder, A., Gary, A., Glover, J., James, M., Martin, E., Meador, W., Mondrik, N., Rodriguez-Patino, M., Villanueva, S., Hill, G.J., Tuttle, S., Vattiat, B., Lee, H., Chonis, T.S., Dalton, G.B., Tacon, M. 2014, Proc. SPIE, Vol. 9147, 143
(PDF) (Poster)

Characterization of the Reflectivity of Various Black Materials
Marshall, J.L., Williams, P.D., Rheault, J.-P., Prochaska, T., Allen, R.D., DePoy, D.L. 2014, Proc. SPIE, Vol. 9147, 167
(PDF) (Poster)

Spectrophotometric Calibration of the Swope and DuPont Telescopes for the Carnegie Supernova Project 2
Rheault, J.-P., Mondrik, N., DePoy, D.L., Marshall, J.L., Suntzeff, N.B. 2014, Proc. SPIE, Vol. 9147, 370
(PDF) (Poster)

VIRUS: Production and Deployment of a Massively Replicated Fiber Integral Field Spectrograph for the Upgraded Hobby-Eberly Telescope
Hill, G.J., et al. 2014, Proc. SPIE, Vol. 9147, 25
(PDF)

The Construction, Alignment, and Installation of the VIRUS Spectrograph
Tuttle, S.E., et al. 2014, Proc. SPIE, Vol. 9147, 26
(PDF)

VIRUS Instrument Enclosures
Prochaska, T., Allen, R.D., Cook, E., Baker, D., DePoy, D.L., Marshall, J.L., Hill, G.J., Perry, D., Vattiat, B., Savage, R., Kriel, H., Good, J. M. 2014, Proc. SPIE, Vol. 9147, 257
(PDF) (Poster)

Monitoring the Atmospheric Throughput at Cerro Tololo Inter-American Observatory with aTmCam
Li, T., DePoy, D.L., Marshall, J.L., Nagasawa, D.Q., Carona, D.W. 2014, Proc. SPIE, Vol. 9147, 262
(PDF) (Poster)

GMACS: A Wide File, Multi-Object, Moderate-Resolution, Optical Spectograph for the Giant Magellan Telescope
DePoy, D.L., Marshall, J.L., Papovich, C., Li, T. 2014, Proc. SPIE, Vol. 9147, 72
(PDF)

Mass Production of Volume Phase Holographic Gratings for the VIRUS Spectrograph Array
Chonis, T.S., et al. 2014, Proc. SPIE, Vol. 9147, 53
(PDF)

Hot-Wiring the Transient Universe Conference, Santa Fe, NM, 2013

The TOROS Project
Beacquista, M., Belczynski, C., Branchesi, M., Brocator, E., DePoy, D.L., Diaz, M.C., Dominguez, M., Garcia Lambas, D., Macri, L.M., Marshall, J.L., Oelkers, R.J., Torres, C.V.
(PDF)

SPIE Meeting 2012

Commissioning and Initial Performance of the Dark Energy Camera Liquid Nitrogen Cooling System
H. Cease, D. DePoy, G. Derylo, H.T. Diehl, J. Estrada, B. Flaugher, K. Kuk, S. Kuhlmann, A. Lathrop, K. Schultz, R.J. Reinert, R.L. Schmitt, A. Stefanik, A. Zhao; 2012 SPIE.8446E..6SC
(PDF) (Online)

GMACS: a Wide Field, Multi-Object, Moderate-Resolution, Optical Spectrograph for the Giant Magellan Telescope
D. L. DePoy, R. Allen, R. Barkhouser, E. Boster, D. Carona, A. Harding, R. Hammond, J. L. Marshall, J. Orndorff, C. Papovich, K. Prochaska, T. Prochaska, J. P. Rheault, S. Smee, S. Shectman, S. Villanueva, Jr.; 2012 SPIE.8446E..1ND
(PDF) (Online)

Assembly, alignment, and testing of the DECam wide field corrector optics
Peter Doel, David Brooks , Michelle L. Antonik, Brenna L. Flaugher, Andrew Stefanik, Stephen M. Kent, Gaston Gutierrez, Herman P. Cease, Timothy M. Abbott, Alistair R. Walker, Darren L. DePoy, Rebecca A. Bernstein, Sue Worswick; 2012 SPIE.8446E..6FD
(PDF) (Online)

Status of the Dark Energy Survey Camera (DECam) Project
Brenna L. Flaugher, Timothy M. C. Abbott, Robert Angstadt, Jim Annis, Michelle L. Antonik, Jim Bailey, Otger Ballester, Joseph P. Bernstein, Rebbeca Bernstein, Marco Bonati, Gale Bremer, Jorge Briones, David Brooks, Elizabeth J. Buckley-Geer, Juila Campa, Laia Cardiel-Sas, Franciso Castander, Javier Castilla, Herman Cease, Steve Chappa, Edward C. Chi, Luis da Costa, Darren L. DePoy, Gregory Derylo, Juan de Vicente, H. Thomas Diehl, Peter Doel, Juan Estrada, Jacob Eiting, Anne E. Elliott, David A. Finley, Rolando Flores, Josh Frieman, Enrique Gaztanaga, David Gerdes, Mike Gladders, V. Guarino, G. Gutierrez, Jim Grudzinski, Bill Hanlon, Jiangang Hao, Steve Holland, Klaus Honscheid, Dave Huffman, Cheryl Jackson, Michelle Jonas, Inga Karliner, Daekwang Kau, Steve Kent, Mark Kozlovsky, Kurt Krempetz, John Krider, Donna Kubik, Kyler W. Kuehn, Stephen E. Kuhlmann, Kevin Kuk, Ofer Lahav, Nick Langellier, Andrew Lathrop, Peter M. Lewis, Huan Lin, Wolfgang Lorenzon, Gustavo Martinez, Timothy McKay, Wyatt Merritt, Mark Meyer, Ramon Miquel, Jim Morgan, Peter Moore, Todd Moore, Eric Neilsen, Brian Nord, R. Ogando, Jamieson Olsen , Kenneth Patton, John Peoples, Andres Plazas, Tao Qian, Natalie Roe, Aaron Roodman, B. Rossetto, E. Sanchez, Marcelle Soares-Santos, Vic Scarpine, Terry Schalk, Rafe Schindler, Ricardo Schmidt, Richard Schmitt, Mike Schubnell, Kenneth Schultz, M. Selen, Santiago Serrano, Terri Shaw, Vaidis Simaitis, Jean Slaughter, R. Christopher Smith, Hal Spinka, Andy Stefanik, Walter Stuermer, Adam Sypniewski, Rick Talaga, Greg Tarle, Jon Thaler, Doug Tucker, Alistair R. Walker, Curtis Weaverdyck, William Wester, Robert J. Woods, Sue Worswick, Allen Zhao; 2012 SPIE.8446E..11F
(PDF) (Online)

VIRUS: production of a massively replicated 33k fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope
Gary. J. Hill, Sarah E. Tuttle, Hanshin Lee, Brian L. Vattiat, Mark E. Cornell, D.L. DePoy, Niv Drory, Maximilian H. Fabricius, Andreas Kelz, J.L. Marshall, J. D. Murphy, Travis Prochaska, Richard D. Allen, Ralf Bender, Guillermo Blanc, Taylor Chonis, Gavin Dalton, Karl Gebhardt, John Good, Dionne Haynes, Thomas Jahn, Phillip J. MacQueen, M.D. Rafal, M.M. Roth, R.D. Savage, & Jan Snigula; 2012 SPIE.8446E..0NH
(PDF) (Online)

The instrument development and selection process for the Giant Magellan Telescope
George H. Jacoby, A. Bouchez, M. Colless, D. DePoy, D. Fabricant, P. Hinz, D. Jaffe, M. Johns, P. McCarthy, P. McGregor, S. Shectman, A. Szentgyorgyi; 2012 SPIE.8446E..1GJ
(PDF) (Online)

aTmCam: A Simple Atmospheric Transmission Monitoring Camera For Sub 1% Photometric Precision
Ting Li, D. L. DePoy, R. Kessler, D. L. Burke, J. L. Marshall, J. Wise, J.-P. Rheault, D. W. Carona, S. Boada, T. Prochaska, R. Allen; 2012 SPIE.8446E..2LL
(PDF) (Online) (Poster)

Optomechanical design concept for GMACS, a wide-field, multiobject, moderate resolution optical spectrograph for the Giant Magellan Telescope (GMT)
Stephen A. Smee, Travis Prochaska, Stephen A. Shectman, Randolph P. Hammond, Robert H. Barkhouser, D. L. DePoy, J. L. Marshall; 2012SPIE.8446E..7NS
(PDF) (Online)

Initial Results from VIRUS Production Spectrographs
Sarah E. Tuttle, Richard D. Allen, Taylor S. Chonis, Mark E. Cornell, Darren L. DePoy, Gary J. Hill, Hanshin Lee, Jennifer L. Marshall, Travis Prochaska, Marc D. Rafal, Richard D. Savage, Brian L. Vattiat; 2012SPIE.8446E..5ST
(PDF) (Online)

Optimal resolutions for optical and NIR spectroscopy
S. Villanueva Jr., D.L. DePoy, J. L. Marshall; 2012SPIE.8446E..2VV
(PDF) (Online)

Spectrally-quantified chemical reactivity of optical fluids and materials in the GMACS spectrograph for GMT
Tyler W. Behm, J. P. Rheault, J. L. Marshall, D. L. DePoy; 2012SPIE.8450E..42B
(PDF) (Online) (Poster)

The Dark Energy Spectrometer—A Potential Multi-Fiber Instrument for the Blanco 4-meter Telescope
J. L. Marshall, Stephen M. Kent, H. Thomas Diehl, Brenna Flaugher, Joshua Frieman, Richard G. Kron, D. L. DePoy, Matthew Colless, Will Saunders, Greg A. Smith, Ofer Lahav, Filipe Abdalla, David Brooks, Peter Doel, Donnacha Kirk, James Annis, Huan Lin, John P. Marriner, Stephanie Jouvel, Michael D. Seiffert; 2012SPIE.8446E..56M
(PDF) (Online) (Poster)

VIRUS Spectrograph Assembly and Alignment Procedures
Travis Prochaska, Richard D. Allen, Emily Boster, D. L. DePoy, Benjamin Herbig, Gary J. Hill, Hanshin Lee, Jennifer L. Marshall, Emily C. Martin, William Meador, Jean-Philippe Rheault, Sarah E. Tuttle, Brian L. Vattiat; 2012SPIE.8446E..51P
(PDF) (Online) (Poster)

Spectrophotometric Calibration System for DECam
J.-P. Rheault, D. L. DePoy, J. L. Marshall, T. Prochaska, R. Allen, J. Wise, E. Martin, P. Williams; 2012SPIE.8446E..6MR
(PDF) (Online) (Poster)

Optical Design of a Red-Sensitive Spectrograph
Emily C. Martin, D.L. DePoy, and J.L. Marshall; 2012SPIE.8446E..2UM
(Online) (Poster)

Calibration and Standardization of Large Surveys and Missions in Astronomy and Astrophysics, Fermilab, 2012

aTmcam: A Simple Atmospheric Transmission Monitoring Camera For Sub 1% Photometric Precision
Ting Li, D. L. DePoy, R. Kessler, D. L. Burke, J. L. Marshall, J. Wise, J.-P. Rheault, D. W. Carona, S. Boada, T. Prochaska, R. Allen; arXiv:1302.5738
(PDF) (Online)

DECal: A Spectrophotometric Calibration System For DECam
J. L. Marshall, Jean-Philippe Rheault, D. L. DePoy, Travis Prochaska, Richard Allen, Tyler W. Behm, Emily C. Martin, Brannon Veal, Steven Villanueva, Jr., Patrick Williams, and Jason Wise; arXiv:1302.5720
(PDF) (Online)

AAS Winter Meeting 2012

Non-linear Force Free Modeling of Aug 8 & 10, 2010 Sigmoids via Flux Rope Insertion Method
Tyler Behm, A. Savcheva, E. DeLuca 2012 AAS
(Abstract) (Poster)

Design of the MooSci Lunar Scintillometer
Kyle W. Cook, D. L. DePoy, J. L. Marshall, S. Villanueva Jr., J. Rheault, R. D. Allen, D. W. Carona, J. E. Thomas-Osip, G. Prieto, A. Berdja 2012 AAS
(Abstract) (Poster)

aTmcam: A Simple Atmosphere Transmission Monitoring Camera For Sub 1% Photometric Precision
Ting Li, D. L. DePoy, D. L. Burke, R. Kessler, J. Rheault, J. L. Marshall, D. W. Carona, S. Boada, T. Prochaska, 2012 AAS
(Poster)

The GMACS Spectrograph for the GMT
J.L. Marshall, D.L. DePoy, S.A. Shectman, C. Papovich, S.A. Smee, R.H. Barkhouser, T.M. Prochaska, R.P. Hammond, 2012 AAS
(Poster)

HETDEX: Optical Alignment of the VIRUS Spectrographs
Emily Martin, J. L. Marshall, J. P. Rheault, D. L. DePoy, T. Prochaska, R. Allen, G. Hill, HETDEX Collaboration 2012 AAS
(Abstract) (Poster)

The Statistical Significance of Planetary Transit and Occultation Detections at Dome A in Antarctica
Ryan Oelkers, D. L. DePoy 2012 AAS
(Abstract) (Poster)

HETDEX: VIRUS Spectrographs Assembly and Alignment
Travis Prochaska, J.L. Marshall, D.L. DePoy, G.J. Hill, E. Boster, W. Meador, R. Allen, HETDEX Collaboration 2012 AAS
(Poster)

DECal: A Spectrophotometric Calibration System For DECam
Jean-Philippe Rheault, D. L. DePoy, J. L. Marshall, T. Prochaska, R. Allen, J. Wise, E. Martin 2012 AAS
(Abstract) (Poster)

A MOSAIC Search for Lyman Alpha Emitting Galaxies at z ~ 2.1
Patrick Williams, Steven Finkelstein, Sangeeta Malhotra, Emily McLinden, James Rhoads 2012 AAS
(Abstract) (Poster)

The DECalS Software for the Dark Energy Survey Spectrophotometric Calibration System
Jason Wise, J. P. Rheault, D. L. DePoy 2012 AAS
(Abstract) (Poster)

Optimal Resolutions for Optical and IR Spectroscopy
Steven Villanueva, D. L. DePoy, J. Marshall 2012 AAS
(Abstract) (Poster)

International Conference on Atmospheric Electricity 2011

High-Speed Video Spectrometer Images of a Lightning Stepped Leader
Tom A. Warner, Richard E. Orville, J. L. Marshall, and Kyle Huggins 2011, XIV International Conference on Atmospheric Electricity, August 8-12 2011, Rio de Janeiro, Brazil

Spectral Observations in the Near Infrared (600-1050 nm) of a Lightning Stepped Leader
Tom A. Warner, Richard E. Orville, J. L. Marshall, and Kyle Huggins 2011, International Commission on Atmospheric Electricity, in press.

AAS Winter Meeting 2011

The GMACS Spectrograph for the GMT
Marshall, Jennifer L.; DePoy, D. L.; Shectman, S. A.; Smee, S. A.; Barkhouser, R. H.; Prochaska, T. M.; Hill, G. J. 2011 AAS 21743312
(Poster)

Spectrophotometric Calibration System for DECam
Rheault, Jean-Philippe; DePoy, D.; Marshall, J.; Carona, D.; Cook, K.; Behm, T.; Allen, R. 2011 AAS 21743309
(PDF) (Poster)

SPIE Meeting 2010

Visible Integral-field Replicable Unit Spectrograph (VIRUS) optical tolerance
Lee, Hanshin; Hill, Gary J.; Marshall, Jennifer L.; Vattiat, Brian L.; Depoy, Darren L. Proc. SPIE, Vol. 7735, 130

MooSci: a lunar scintillometer
Villanueva, S., Jr.; Depoy, D. L.; Marshall, J.; Berdja, A.; Rheault, J. P.; Prieto, G.; Allen, R.; Carona, D. Proc. SPIE, Vol. 7735, 140
(PDF) (Poster)

Production-line assembly of 150+ VIRUS spectrographs
Marshall, J. L.; Vattiat, Brian; Depoy, D. L.; Hill, Gary J.; Collins, Amanda D.; Lee, Hanshin; Allen, Richard D.; Kelz, Andreas; Bauer, Svend M.; Popow, Emil Proc. SPIE, Vol. 7735, 152
(PDF) (Poster)

Spectrophotometric calibration system for DECam
Rheault, J.-P.; Depoy, D. L.; Behm, T. W.; Kylberg, E. W.; Cabral, Kris; Allen, Rick; Marshall, J. L. Proc. SPIE, Vol. 7735, 201
(PDF)

LRS2: a new low-resolution spectrograph for the Hobby-Eberly Telescope
Lee, Hanshin; Chonis, Taylor S.; Hill, Gary J.; Depoy, Darren L.; Marshall, Jennifer L.; Vattiat, Brian 2010, Proc. SPIE, Vol. 7735, 243

Development of VIRUS alignment and assembly fixtures
Collins, Amanda D.; Vattiat, Brian; Marshall, J. L.; Hill, Gary J.; Depoy, D. L.; Lee, Hanshin; Allen, Richard D.; Prochaska, Travis; Villanueva, Steven, Jr. Proc. SPIE, Vol. 7735, 233
(PDF) (Poster)

Development of a cryogenic system for the VIRUS array of 150 spectrographs for the Hobby-Eberly Telescope
Chonis, Taylor S.; Vattiat, Brian L.; Hill, Gary J.; Marshall, J. L.; Cabral, Kris; Depoy, D. L.; Smith, Michael P.; Good, John M.; Booth, John A.; Rafal, Marc D.; Savage, Richard D. Proc. SPIE, Vol. 7735, 235
(PDF)

Mechanical design evolution of the VIRUS instrument for volume production and deployment
Vattiat, Brian L.; Hill, Gary J.; Marshall, J. L.; Depoy, D. L.; Bauer, Svend;Kelz, Andreas; Rafal, M. D.; Savage, Richard; Good, John; Booth, John A.;Smith, M. P.; Prochaska, Travis; Allen, Richard D. Proc. SPIE, Vol. 7735, 234
(PDF)

VIRUS: a massively replicated 33k fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope
Hill, Gary J.; Lee, Hanshin; Vattiat, Brian L.; Adams, Joshua J.; Marshall, J. L.;Drory, Niv; Depoy, D. L.; Blanc, Guillermo; Bender, Ralf; Booth, John A.;Chonis, Taylor; Cornell, Mark E.; Gebhardt, Karl; Good, John; Grupp, Frank;Haynes, Roger; Kelz, Andreas; MacQueen, Phillip J.; Mollison, Nick;Murphy, J. D.; Rafal, M. D.; Rambold, W. N.; Roth, M. M.; Savage, R.;Smith, M. P. Proc. SPIE, Vol. 7735, 20
(PDF)