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Evidence of Fragmenting Dust Particles from Near-Simultaneous Optical and Near-IR Photometry and Polarimetry of Comet 73P/Schwassmann-Wachmann 3
Terry Jay Jones, David Stark, Charles E. Woodward +4
We report imaging polarimetry of segments B and C of the Jupiter-family Comet 73P/Schwassmann-Wachmann 3 in the I and H bandpasses at solar phase angles of approximately 35 and 85d…
Far-infrared polarimetry from the Stratospheric Observatory for Infrared Astronomy
J. E. Vaillancourt, D. T. Chuss, R. M. Crutcher +8
Multi-wavelength imaging polarimetry at far-infrared wavelengths has proven to be an excellent tool for studying the physical properties of dust, molecular clouds, and magnetic fie…
The 3D Morphology of VY Canis Majoris II: Polarimetry and the Line-of-Sight Distribution of the Ejecta
Terry Jay Jones, Roberta M. Humphreys, L. Andrew Helton +2
We use imaging polarimetry taken with the HST/ACS/HRC to explore the three dimensional structure of the circumstellar dust distribution around the red supergiant VY Canis Majoris.…
The 3D Morphology of VY Canis Majoris. I The Kinematics of the Ejecta
Roberta M. Humphreys, L. Andrew Helton, Terry J. Jones
Images of the complex circumstellar nebula associated with the famous red supergiant VY CMa show evidence for multiple and asymmetric mass loss events over the past 1000 yrs. Doppl…
M33's Variable A -- A Hypergiant Star More Than 35 Years in Eruption
Roberta M. Humphreys, Terry J. Jones, Elisha Polomski +9
Variable A in M33 is a member of a rare class of highly luminous, evolved stars near the upper luminosity boundary that show sudden and dramatic shifts in apparent temperature due…
Spitzer IRAC Observations of Star Formation in N159 in the LMC
Terry J. Jones, Charles E. Woodward, Martha L. Boyer +2
We present observations of the giant HII region complex N159 in the LMC using IRAC on the {\it Spitzer Space Telescope}. One of the two objects previously identified as protostars…