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The Core of NGC 6240 from Keck Adaptive Optics and HST NICMOS Observations
C. E. Max, G. Canalizo, B. A. Macintosh +4
We present results of near infrared imaging of the disk-galaxy-merger NGC 6240 using adaptive optics on the Keck II Telescope and reprocessed archival data from NICMOS on the Hubbl…
Keck Adaptive Optics Imaging of 0.5<z<1 Field Galaxies from the Hubble Space Telescope Archive
Eric Steinbring, A. J. Metevier, Stuart A. Norton +6
We have employed natural guide star adaptive optics (AO) on the Keck II telescope to obtain near-infrared (H and K') images of three field galaxies, each of redshift greater than 0…
Circumnuclear Shock and Starburst in NGC 6240: Near-IR Imaging and Spectroscopy with Adaptive Optics
Tamara Bogdanovic, Jian Ge, Claire E. Max +1
We have obtained adaptive optics, high spatial resolution (0.15 arcsecond) K-band spectra and images of the region around the two active nuclei in NGC 6240 which show the presence…
Characterizing the Adaptive Optics Off-Axis Point-Spread Function - I: A Semi-Empirical Method for Use in Natural-Guide-Star Observations
E. Steinbring, S. M. Faber, S. Hinkley +11
Even though the technology of adaptive optics (AO) is rapidly maturing, calibration of the resulting images remains a major challenge. The AO point-spread function (PSF) changes qu…