Search Results - "BENDER, Chad F"

Demonstration of on-sky calibration of astronomical spectra using a 25 GHz near-IR laser frequency comb by Ycas, Gabriel G, Quinlan, Franklyn, Diddams, Scott A, Osterman, Steve, Mahadevan, Suvrath, Redman, Stephen, Terrien, Ryan, Ramsey, Lawrence, Bender, Chad F, Botzer, Brandon, Sigurdsson, Steinn

“…We describe and characterize a 25 GHz laser frequency comb based on a cavity-filtered erbium fiber mode-locked laser. The comb provides a uniform array of…”
Get full text

Revisiting ϵ Eridani with NEID: Identifying New Activity-sensitive Lines in a Young K Dwarf Star by Jiang, Sarah, Roy, Arpita, Halverson, Samuel, Bender, Chad F., Selgas, Carlos, Otor, O. Justin, Mahadevan, Suvrath, Stefánsson, Guđmundur, Terrien, Ryan C., Schwab, Christian

“…Abstract Recent improvements in the sensitivity and precision of the radial velocity (RV) method for exoplanets have brought it close, but not quite to, the…”
Get full text

EVIDENCE FOR THE DIRECT DETECTION OF THE THERMAL SPECTRUM OF THE NON-TRANSITING HOT GAS GIANT HD 88133 b by Piskorz, Danielle, Benneke, Björn, Crockett, Nathan R., Lockwood, Alexandra C., Blake, Geoffrey A., Barman, Travis S., Bender, Chad F., Bryan, Marta L., Carr, John S., Fischer, Debra A., Howard, Andrew W., Isaacson, Howard, Johnson, John A.

“…ABSTRACT We target the thermal emission spectrum of the non-transiting gas giant HD 88133 b with high-resolution near-infrared spectroscopy, by treating the…”
Get full text

High-resolution Near-infrared Spectroscopy of a Flare around the Ultracool Dwarf vB 10 by Kanodia, Shubham, Ramsey, Lawrence W., Maney, Marissa, Mahadevan, Suvrath, Cañas, Caleb I., Ninan, Joe P., Monson, Andrew, Kowalski, Adam F., Goumas, Maximos C., Stefansson, Gudmundur, Bender, Chad F., Cochran, William D., Diddams, Scott A., Fredrick, Connor, Halverson, Samuel, Hearty, Fred, Janowiecki, Steven, Metcalf, Andrew J., Odewahn, Stephen C., Robertson, Paul, Roy, Arpita, Schwab, Christian, Terrien, Ryan C.

“…Abstract We present high-resolution observations of a flaring event in the M8 dwarf vB 10 using the near-infrared Habitable-zone Planet Finder (HPF)…”
Get full text

TOI-1728b: The Habitable-zone Planet Finder Confirms a Warm Super-Neptune Orbiting an M-dwarf Host by Kanodia, Shubham, Cañas, Caleb I., Stefansson, Gudmundur, Ninan, Joe P., Hebb, Leslie, Lin, Andrea S. J., Baran, Helen, Maney, Marissa, Terrien, Ryan C., Mahadevan, Suvrath, Cochran, William D., Endl, Michael, Dong, Jiayin, Bender, Chad F., Diddams, Scott A., Ford, Eric B., Fredrick, Connor, Halverson, Samuel, Hearty, Fred, Metcalf, Andrew J., Monson, Andrew, Ramsey, Lawrence W., Robertson, Paul, Roy, Arpita, Schwab, Christian, Wright, Jason T.

“…We confirm the planetary nature of TOI-1728b using a combination of ground-based photometry, near-infrared Doppler velocimetry and spectroscopy with the…”
Get full text

Quiet Please: Detrending Radial Velocity Variations from Stellar Activity with a Physically Motivated Spot Model by Siegel, Jared C., Halverson, Samuel, Luhn, Jacob K., Zhao, Lily L., Al Moulla, Khaled, Robertson, Paul, Bender, Chad F., Terrien, Ryan C., Roy, Arpita, Mahadevan, Suvrath, Hearty, Fred, Ninan, Joe P., Wright, Jason T., Ford, Eric B., Schwab, Christian, Stefánsson, Guðmundur, Blake, Cullen H., McElwain, Michael W.

“…For solar-type stars, spots and their associated magnetic regions induce radial velocity perturbations through the Doppler rotation signal and the suppression…”
Get full text

The Death of Vulcan: NEID Reveals That the Planet Candidate Orbiting HD 26965 Is Stellar Activity by Burrows, Abigail, Halverson, Samuel, Siegel, Jared C., Gilbertson, Christian, Luhn, Jacob, Burt, Jennifer, Bender, Chad F., Roy, Arpita, Terrien, Ryan C., Vangstein, Selma, Mahadevan, Suvrath, Wright, Jason T., Robertson, Paul, Ford, Eric B., Stefánsson, Gumundur, Ninan, Joe P., Blake, Cullen H., McElwain, Michael W., Schwab, Christian, Zhao, Jinglin

“…Abstract We revisit the long-studied radial velocity (RV) target HD 26965 using recent observations from the NASA-NSF “NEID” precision Doppler facility…”
Get full text

Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N by Cañas, Caleb I., Bender, Chad F., Mahadevan, Suvrath, Bizyaev, Dmitry, De Lee, Nathan, Fleming, Scott W., Hearty, Fred, Majewski, Steven R., Nitschelm, Christian, Schneider, Donald P., Serna, Javier, Stassun, Keivan G., Stefánsson, Guđmundur, Stringfellow, Guy S., Wilson, John C.

“…Abstract We report the characterization of 28 low-mass (0.02 M ⊙ ≤ M 2 ≤ 0.25 M ⊙ ) companions to Kepler objects of interest (KOIs), eight of which were…”
Get full text

Erratum: “Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N” (2023, ApJS, 265, 50) by Cañas, Caleb I., Bender, Chad F., Mahadevan, Suvrath, Bizyaev, Dmitry, De Lee, Nathan, Fleming, Scott W., Hearty, Fred, Majewski, Steven R., Nitschelm, Christian, Schneider, Donald P., Serna, Javier, Stassun, Keivan G., Stefánsson, Guđmundur, Stringfellow, Guy S., Wilson, John C.

Get full text

TOI-5344 b: A Saturn-like Planet Orbiting a Super-solar Metallicity M0 Dwarf by Han, Te, Robertson, Paul, Kanodia, Shubham, Cañas, Caleb, Lin, Andrea S. J., Stefánsson, Gumundur, Libby-Roberts, Jessica E., Larsen, Alexander, Kobulnicky, Henry A., Mahadevan, Suvrath, Bender, Chad F., Cochran, William D., Endl, Michael, Everett, Mark E., Gupta, Arvind F., Halverson, Samuel, Hearty, Fred, Monson, Andrew, Ninan, Joe P., Roy, Arpita, Schwab, Christian, Terrien, Ryan C.

“…We confirm the planetary nature of TOI-5344 b as a transiting giant exoplanet around an M0-dwarf star. TOI-5344 b was discovered with the Transiting Exoplanet…”
Get full text

TOI-3785 b: A Low-density Neptune Orbiting an M2-dwarf Star by Powers, Luke C., Libby-Roberts, Jessica, Lin, Andrea S. J., Cañas, Caleb I., Kanodia, Shubham, Mahadevan, Suvrath, Ninan, Joe P., Stefánsson, Guđmundur, Gupta, Arvind F., Jones, Sinclaire, Kobulnicky, Henry A., Monson, Andrew, Parker, Brock A., Swaby, Tera N., Bender, Chad F., Cochran, William D., Hebb, Leslie, Metcalf, Andrew J., Robertson, Paul, Schwab, Christian, Wisniewski, John, Wright, Jason T.

“…Abstract Using both ground-based transit photometry and high-precision radial velocity spectroscopy, we confirm the planetary nature of TOI-3785 b. This…”
Get full text

TOI-5375 B: A Very Low Mass Star at the Hydrogen-burning Limit Orbiting an Early M-type Star by Lambert, Mika, Bender, Chad F., Kanodia, Shubham, Cañas, Caleb I., Monson, Andrew, Stefánsson, Gudmundur, Cochran, William D., Everett, Mark E., Gupta, Arvind F., Hearty, Fred, Kobulnicky, Henry A., Libby-Roberts, Jessica E., Lin, Andrea S. J., Mahadevan, Suvrath, Ninan, Joe P., Parker, Brock A., Robertson, Paul, Schwab, Christian, Terrien, Ryan C.

“…Abstract The Transiting Exoplanet Survey Satellite (TESS) mission detected a companion orbiting TIC 71268730, categorized it as a planet candidate, and…”
Get full text

TOI-1670 c, a 40 day Orbital Period Warm Jupiter in a Compact System, Is Well Aligned by Lubin, Jack, Wang, Xian-Yu, Rice, Malena, Dong, Jiayin, Wang, Songhu, Radzom, Brandon T., Robertson, Paul, Stefansson, Gudmundur, Alvarado-Montes, Jaime A., Beard, Corey, Bender, Chad F., Gupta, Arvind F., Halverson, Samuel, Kanodia, Shubham, Li, Dan, Lin, Andrea S. J., Logsdon, Sarah E., Lubar, Emily, Mahadevan, Suvrath, Ninan, Joe P., Rajagopal, Jayadev, Roy, Arpita, Schwab, Christian, Wright, Jason T.

“…Abstract We report the measurement of the sky-projected obliquity angle λ of the warm Jovian exoplanet TOI-1670 c via the Rossiter–McLaughlin effect. We…”
Get full text

The Detection of Low-Mass Companions in Hyades Cluster Spectroscopic Binary Stars by Bender, Chad F, Simon, Michal

“…We have observed a large sample of spectroscopic binary stars in the Hyades cluster, using high-resolution infrared spectroscopy to detect low- mass…”
Get full text

The SDSS-HET Survey of Kepler Eclipsing Binaries. A Sample of Four Benchmark Binaries by Hambleton, Kelly, Prša, Andrej, Fleming, Scott W., Mahadevan, Suvrath, Bender, Chad F.

“…Abstract The purpose of this work is to extend a sample of accurately modeled, benchmark-grade eclipsing binaries (EBs) with accurately determined masses and…”
Get full text

Leveraging Space-based Data from the Nearest Solar-type Star to Better Understand Stellar Activity Signatures in Radial Velocity Data by Ervin, Tamar, Halverson, Samuel, Burrows, Abigail, Murphy, Neil, Roy, Arpita, Haywood, Raphaelle D., Rescigno, Federica, Bender, Chad F., Lin, Andrea S. J., Burt, Jennifer, Mahadevan, Suvrath

“…Abstract Stellar variability is a key obstacle in reaching the sensitivity required to recover Earth-like exoplanetary signals using the radial velocity (RV)…”
Get full text

Persistent Starspot Signals on M Dwarfs: Multiwavelength Doppler Observations with the Habitable-zone Planet Finder and Keck/HIRES by Robertson, Paul, Stefansson, Gudmundur, Mahadevan, Suvrath, Endl, Michael, Cochran, William D., Beard, Corey, Bender, Chad F., Diddams, Scott A., Duong, Nicholas, Ford, Eric B., Fredrick, Connor, Halverson, Samuel, Hearty, Fred, Holcomb, Rae, Juan, Lydia, Kanodia, Shubham, Lubin, Jack, Metcalf, Andrew J., Monson, Andrew, Ninan, Joe P., Palafoutas, Jonathan, Ramsey, Lawrence W., Roy, Arpita, Schwab, Christian, Terrien, Ryan C., Wright, Jason T.

“…Young, rapidly rotating M dwarfs exhibit prominent starspots, which create quasiperiodic signals in their photometric and Doppler spectroscopic measurements…”
Get full text

TOI-3757 b: A Low-density Gas Giant Orbiting a Solar-metallicity M Dwarf by Kanodia, Shubham, Libby-Roberts, Jessica, Cañas, Caleb I., Ninan, Joe P., Mahadevan, Suvrath, Stefansson, Gudmundur, Lin, Andrea S. J., Jones, Sinclaire, Monson, Andrew, Parker, Brock A., Kobulnicky, Henry A., Swaby, Tera N., Powers, Luke, Beard, Corey, Bender, Chad F., Blake, Cullen H., Cochran, William D., Dong, Jiayin, Diddams, Scott A., Fredrick, Connor, Gupta, Arvind F., Halverson, Samuel, Hearty, Fred, Logsdon, Sarah E., Metcalf, Andrew J., McElwain, Michael W., Morley, Caroline, Rajagopal, Jayadev, Ramsey, Lawrence W., Robertson, Paul, Roy, Arpita, Schwab, Christian, Terrien, Ryan C., Wisniewski, John, Wright, Jason T.

“…We present the discovery of a new Jovian-sized planet, TOI-3757 b, the lowest-density transiting planet known to orbit an M dwarf (M0V). This planet was…”
Get full text

Observing the Sun as a Star: Design and Early Results from the NEID Solar Feed by Lin, Andrea S. J., Monson, Andrew, Mahadevan, Suvrath, Ninan, Joe P., Halverson, Samuel, Nitroy, Colin, Bender, Chad F., Logsdon, Sarah E., Kanodia, Shubham, Terrien, Ryan C., Roy, Arpita, Luhn, Jacob K., Gupta, Arvind F., Ford, Eric B., Hearty, Fred, Laher, Russ R., Hunting, Emily, McBride, William R., Salazar Rivera, Noah Isaac, Rajagopal, Jayadev, Wolf, Marsha J., Robertson, Paul, Wright, Jason T., Blake, Cullen H., Cañas, Caleb I., Lubar, Emily, McElwain, Michael W., Ramsey, Lawrence W., Schwab, Christian, Stefansson, Gudmundur

“…Abstract Efforts with extreme-precision radial velocity (EPRV) instruments to detect small-amplitude planets are largely limited, on many timescales, by the…”
Get full text

An Eccentric Brown Dwarf Eclipsing an M dwarf by Cañas, Caleb I., Mahadevan, Suvrath, Bender, Chad F., Salazar Rivera, Noah Isaac, Monson, Andrew, Beard, Corey, Lubin, Jack, Robertson, Paul, Gupta, Arvind F., Cochran, William D., Fredrick, Connor, Hearty, Fred, Jones, Sinclaire, Kanodia, Shubham, Lin, Andrea S. J., Ninan, Joe P., Ramsey, Lawrence W., Schwab, Christian, Stefánsson, Guđmundur

“…Abstract We report the discovery of an M = 67 ± 2 M J brown dwarf transiting the early M dwarf TOI-2119 on an eccentric orbit ( e = 0.3362 ± 0.0005) at an…”
Get full text