Commissioning and on-sky performance verification of iLocater

Johnson, Marshall C.; Tala Pinto, Marcelo; Crass, Jonathan; Sands, Brian; Datkuliak, Jackson; Senthil Nathan, Sai Vidyud; Crepp, Justin R.; Engelman, Michael; Pappalardo, Daniel; Brady, Julia; Derwent, Mark; Lesley-Saldaña, Xavier; Bechter, Andrew; Bechter, Eric; Schwab, Christian; Aikens, David; Bender, Chad; Brandon, Chris; Brooks, Cynthia; Castro, Matheus J.; Chilcote, Jeffrey; Conrad, Al; Delo, Gregory; Duell, Erin; Engstrom, Matthew; Ertel, Steve; Fantano, Louis; Feggans, John Keith; Flores, Hali; Gaudi, B. Scott; King, David; Kitzler, Ondrej; Kratter, Kaitlin M.; Kruk, Jeffrey; Legero, Thomas; Letchev, Stanimir; Mason, Jerry; Mason, Joaquin; Misch, Matthew; Pember, Jacob; Pogge, Richard; Quirrenbach, Andreas; Schlieder, Joshua; Waczynski, Augustyn; Shields, Joseph; Kim, Daewook; Smithwright, Mark; Renshaw, Allie; Richie, Austin; Rizika, Alexa; Sadagopan, Nandini; Shover, Jonathan; Smous, James; Spiegel, Jayde; Stürmer, Julian; Sura, Sahil; Switzer, Robert; Thomes, Joe; Wang, Ji; Weiss, Lauren; Wilson, Daniel; Zielinski-Nicolson, Dane

doi:https://doi.org/10.1117/12.3105457

Zugriffsnummer	56845
Dokumenttyp	Konferenzartikel
Sprache	Englisch
Titel	Commissioning and on-sky performance verification of iLocater
Autor(in); Institution	Johnson, Marshall C.; The Ohio State Univ., Columbus, Ohio, USA Tala Pinto, Marcelo; The Ohio State Univ., Columbus, Ohio, USA Crass, Jonathan; The Ohio State Univ., Columbus, Ohio, USA Sands, Brian; Univ. of Notre Dame, Notre Dame, Indiana, USA Datkuliak, Jackson; The Ohio State Univ., Columbus, Ohio, USA Senthil Nathan, Sai Vidyud; The Ohio State Univ., Columbus, Ohio, USA Crepp, Justin R.; Univ. of Notre Dame, Notre Dame, Indiana, USA Engelman, Michael; Univ. of Notre Dame, Notre Dame, Indiana, USA Pappalardo, Daniel; The Ohio State Univ., Columbus, Ohio, USA Brady, Julia; The Ohio State Univ., Columbus, Ohio, USA Derwent, Mark; The Ohio State Univ., Columbus, Ohio, USA Lesley-Saldaña, Xavier; The Ohio State Univ., Columbus, Ohio, USA Bechter, Andrew; Univ. of Notre Dame, Notre Dame, Indiana, USA Bechter, Eric; Univ. of Notre Dame, Notre Dame, Indiana, USA Schwab, Christian; Macquarie Univ., Macquarie, AUSTRALIA Aikens, David; Savvy Optics Corp., Chester, Connecticut, USA Bender, Chad; University of Arizona, Tucson, Arizona, USA Brandon, Chris; The Ohio State Univ., Columbus, Ohio, USA Brooks, Cynthia; The Univ. of Texas at Austin, Austin, Texas, USA Castro, Matheus J.; Landessternwarte Heidelberg, Heidelberg, GERMANY; Ruprecht-Karls-Univ. Heidelberg, Heidelberg, GERMANY Chilcote, Jeffrey; Univ. of Notre Dame, Notre Dame, Indiana, USA Conrad, Al; Large Binocular Telescope Observatory, Tucson, Arizona, USA Delo, Gregory; NASA Goddard Space Flight Center, Greenbelt, MD, USA Duell, Erin; The Ohio State Univ., Columbus, Ohio, USA Engstrom, Matthew; Univ. of Notre Dame, Notre Dame, Indiana, USA Ertel, Steve; University of Arizona, Tucson, Arizona, USA; Large Binocular Telescope Observatory, Tucson, Arizona, USA Fantano, Louis; NASA Goddard Space Flight Center, Greenbelt, MD, USA Feggans, John Keith; NASA Goddard Space Flight Center, USANASA Goddard Space Flight Center, Greenbelt, MD, USA Flores, Hali; NASA Goddard Space Flight Center, Greenbelt, MD, USA Gaudi, B. Scott; The Ohio State Univ., Columbus, Ohio, USA King, David; Univ. of Cambridge, Cambridge, UK Kitzler, Ondrej; Macquarie Univ., Macquarie, AUSTRALIA Kratter, Kaitlin M.; University of Arizona, Tucson, Arizona, USA Kruk, Jeffrey; NASA Goddard Space Flight Center, Greenbelt, MD, USA Legero, Thomas; 4.3, Quantenoptik und Längeneinheit, PTB-Braunschweig Letchev, Stanimir; Max-Planck-Institut für Astronomie, Heidelberg, GERMANY Mason, Jerry; The Ohio State Univ., Columbus, Ohio, USA Mason, Joaquin; Fathom Imaging Systems, Woburn, MA, USA Misch, Matthew; Univ. of Notre Dame, Notre Dame, Indiana, USA Pember, Jacob; Max-Planck-Institut für Astronomie, Heidelberg, GERMANY Pogge, Richard; The Ohio State Univ., Columbus, Ohio, USA Quirrenbach, Andreas; Landessternwarte Heidelberg, Heidelberg, GERMANY Schlieder, Joshua; NASA Goddard Space Flight Center, Greenbelt, MD, USA Waczynski, Augustyn; NASA Goddard Space Flight Center, Greenbelt, MD, USA Shields, Joseph; Large Binocular Telescope Observatory, Safford, Arizona, USA Kim, Daewook; University of Arizona, Tucson, Arizona, USA; Large Binocular Telescope Observatory, Safford, Arizona, USA Smithwright, Mark; Large Binocular Telescope Observatory, Safford, Arizona, USA Renshaw, Allie; The Ohio State Univ., Columbus, Ohio, USA Richie, Austin; The Ohio State Univ., Columbus, Ohio, USA Rizika, Alexa; Univ. of Notre Dame, Notre Dame, Indiana, USA Sadagopan, Nandini; Univ. of Notre Dame, Notre Dame, Indiana, USA Shover, Jonathan; The Ohio State Univ., Columbus, Ohio, USA Smous, James; Univ. of Notre Dame, Notre Dame, Indiana, USA Spiegel, Jayde; The Ohio State Univ., Columbus, Ohio, USA Stürmer, Julian; Univ. Heidelberg, Heidelberg, GERMANY Sura, Sahil; The Ohio State Univ., Columbus, Ohio, USA Switzer, Robert; NASA Goddard Space Flight Ctr. (United States) Thomes, Joe; NASA Goddard Space Flight Center, Greenbelt, MD, USA Wang, Ji; The Ohio State Univ., Columbus, Ohio, USA Weiss, Lauren; Univ. of Notre Dame, Notre Dame, Indiana, USA Wilson, Daniel; NASA Goddard Space Flight Center, Greenbelt, MD, USA Zielinski-Nicolson, Dane; Macquarie Univ., Macquarie, AUSTRALIA
Quelle/Jahr	Ground-based and Airborne Instrumentation for Astronomy XI: 14149 (2026), 141494W-1 - 141494W-12
Schriftenreihe	Proceedings of SPIE: 14149
DOI	https://doi.org/10.1117/12.3105457
URL	https://www.spiedigitallibrary.org/conference-proceedings-of-spie/14149/3105457/Commissioning-and-on-sky-performance-verification-of-iLocater/10.1117/12.3105457.full
Verlag	Bellingham, Wash.: SPIE
Konferenzangaben	SPIE Astronomical Telescopes + Instrumentation, Copenhagen, 5-10, July, 2026, Denmark
Freie Schlagworte	Extremely Precise Radial Velocities ; Spectrograph ; Adaptive Optics ; Exoplanets ; Near-Infrared ; High Resolution Spectroscopy
Zusammenfassung	iLocater is a high-resolution near-infrared extreme precision radial velocity (EPRV) spectrograph that was deployed to the Large Binocular Telescope (LBT) in June 2026. iLocater operates over λ = 966-1312 nm with a median resolving power of R = 205, 000 as measured in the laboratory. We present the commissioning and initial on-sky verification program using solar and night-time observations at the LBT. First light was achieved on 27 June 2026, and nearly 150 on-sky spectra have now been recorded. Observations include single stars ranging in spectral type from B5 to M6. iLocater uses the LBT AO system, and we have demonstrated its ability to obtain spatially resolved spectra of close (ϑ < 1") binary stars.

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Johnson, M. C., Tala Pinto, M., Crass, J., Sands, B., Datkuliak, J., Senthil Nathan, S. V., Crepp, J. R., Engelman, M., Pappalardo, D., Brady, J., Derwent, M., Lesley-Saldaña, X., Bechter, A., Bechter, E., Schwab, C., Aikens, D., Bender, C., Brandon, C., Brooks, C., Castro, M. J., Chilcote, J., Conrad, A., Delo, G., Duell, E., Engstrom, M., Ertel, S., Fantano, L., Feggans, J. K., Flores, H., Gaudi, B. S., King, D., Kitzler, O., Kratter, K. M., Kruk, J., Legero, T., Letchev, S., Mason, J., Mason, J., Misch, M., Pember, J., Pogge, R., Quirrenbach, A., Schlieder, J., Waczynski, A., Shields, J., Kim, D., Smithwright, M., Renshaw, A., Richie, A., Rizika, A., Sadagopan, N., Shover, J., Smous, J., Spiegel, J., Stürmer, J., Sura, S., Switzer, R., Thomes, J., Wang, J., Weiss, L., Wilson, D., & Zielinski-Nicolson, D. (2026). Commissioning and on-sky performance verification of iLocater. SPIE Astronomical Telescopes + Instrumentation, Copenhagen, 5-10, July, 2026, Denmark. https://doi.org/10.1117/12.3105457

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