M. McMaster

Field-induced magnetic phase transition driven by a ground state level-crossing in CsErSe$_2$

Hope Whitelock, Allen O. Scheie, M. McMaster, Ian Andreas Leahy et autres

We report a comprehensive study of the low-temperature magnetic properties of the insulating rare-earth triangular magnet CsErSe$_2$. We uncover a field-induced level crossing at the crystal electric field (CEF) ground state, which gives rise to a first order phase transition as well …

Phlegmasia Cerulea Dolens in May Thurner Syndrome: A Threat to Life & Limb

M. McMaster, Rage Geringer, Gregory J. Hicks, Oliwier Dziadkowiec

New Subarray Readout Patterns for the ACS Wide Field Channel

David A. Golimowski, Joseph P. Anderson, S. Arslanian, M. Chiaberge et autres

Field Evaluation of Two Geophysical Techniques for Real-Time Mapping of Smouldering Remediation (STAR)

Lais Muchatte Trento, Π. Τσούρλος, M. McMaster, D. Liefl et autres

Calibration of ACS WFC Polarizers

M. McMaster

THE HUBBLE SPACE TELESCOPE TREASURY PROGRAM ON THE ORION NEBULA CLUSTER ,

Massimo Robberto, David R. Soderblom, E. Bergeron, V. Kozhurina-Platais et autres

The Hubble Space Telescope (HST) Treasury Program on the Orion Nebula Cluster (ONC) has used 104 orbits of HST time to image the Great Orion Nebula region with the Advanced Camera for Surveys (ACS), the Wide-Field/Planetary Camera 2 (WFPC2), and the Near-Infrared …

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ACS Internal Flat Fields

M. McMaster

Pixel-based CTE Correction of ACS/WFC: Modifications To The ACS Calibration Pipeline (CALACS)

Linda J. Smith, Jay Anderson, Amber Armstrong, Roberto J. Avila et autres

WFPC2 Standard Star CTE

M. McMaster, J. A. Biretta

Observations of the WFPC2 standard star GRW+70D5824 were made at five positions along the diagonal of each detector to directly evaluate CTE effects on standard star data. Two filters commonly used for standard star monitoring, F170W and F555W, were tested. The data …

On-Orbit Photometric Calibration of the WFPC2 Linear Ramp Filters

J. A. Biretta, Pey Lian Lim, M. McMaster, S. Gonzaga

Correcting Background Streaks in HST Wide Field Planetary Camera 2 Data

D. M. Grumm, M. McMaster, Aparna Maybhate, M. Sirianni

Correcting Background Streaks in WFPC2 Data

Aparna Maybhate, D. M. Grumm, M. McMaster, M. Sirianni

We present an algorithm designed to eliminate the horizontal streaks seen in WF4 images with low bias values. This is a stand-alone task and should be used after all other corrections for bias, dark, flat field and gain have been performed. The …