Spitzer Spectral Mapping of Supernova Remnant Cassiopeia A (2008)
Smith, J. D. T., Rudnick, Lawrence, Delaney, Tracey, Rho, Jeonghee, Gomez, Haley, Kozasa, Takashi, ...
We present the global distribution of fine structure infrared line emission in the Cassiopeia A supernova remnant using data from the Spitzer Space Telescope's Infrared Spectrograph. We identify...
Properties of protostars in the Elephant Trunk globule IC 1396A (2008)
Reach, William T., Faied, Dohy, Rho, Jeonghee, Boogert, Adwin, Tappe, Achim, Jarrett, Thomas H., ...
Extremely red objects, identified in the early Spitzer Space Telescope observations of the bright-rimmed globule IC 1396A and photometrically classified as Class I protostars Class II T Tauri stars...
Gordon, Karl D., Engelbracht, Charles W., Fadda, Dario, Stansberry, John, Wachter, Stefanie, Frayer, Dave T., ...
The absolute calibration and characterization of the Multiband Imaging Photometer for Spitzer (MIPS) 70 micron coarse- and fine-scale imaging modes are presented based on over 2.5 years of...
A near-infrared and X-ray study of W49B: A wind cavity explosion (2007)
Keohane, Jonathan W., Reach, William T., Rho, Jeonghee, Jarrett, Thomas H.
We present near-infrared narrowband images of the supernova remnant W49 B, taken with the WIRC instrument on the Hale 200 inch (5 m) telescope on Mount Palomar. The 1.64 μm [Fe II] image reveals a...
A Near-Infrared and X-ray Study of W49B: A Wind Cavity Explosion (2006)
Keohane, Jonathan W., Reach, William T., Rho, Jeonghee, Jarrett, Thomas H.
We present near-infrared narrow-band images of the supernova remnant W49B, taken with the WIRC instrument on the Hale 200 inch telescope on Mt. Palomar. The 1.64 micron [Fe II] image reveals a...
A Spitzer Space Telescope Infrared Survey of Supernova Remnants in the Inner Galaxy (2005)
Reach, William T., Rho, Jeonghee, Tappe, Achim, Pannuti, Thomas G., Brogan, Crystal L., Churchwell, Edward B., ...
Using Infrared Array Camera (IRAC) images at 3.6, 4.5, 5.8, and 8 microns from the GLIMPSE Legacy science program on the Spitzer Space Telescope, we searched for infrared counterparts to the 95 known...
Reach, William T., Rho, Jeonghee, Jarrett, T. H.
High resolution millimeter-wave and near-infrared observations of the supernova remnants W28 and W44 reveal extensive shocked molecular gas where supernova blast waves are propagating into giant...
Protostars in the Elephant Trunk Nebula (2004)
Reach, William T., Rho, Jeonghee, Young, Erick, Muzerolle, James, Fajardo-Acosta, Sergio, Hartmann, Lee, ...
The optically-dark globule IC 1396A is revealed using Spitzer images at 3.6, 4.5, 5.8, 8, and 24 microns to be infrared-bright and to contain a set of previously unknown protostars. The mid-infrared...
THE ASTROPHYSICAL JOURNAL, 544 : 843858, 2000 December 1 (2003)
William T. Reach, Jeonghee Rho
We present Infrared Space Observatory spectroscopy of sites in the supernova remnants W28, W44, and 3C 391, where blast waves are impacting molecular clouds. The complete wavelength range from 42 to...
Near-Infrared Synchrotron Emission from Cas A (2003)
Rho, Jeonghee, Reynolds, Stephen P., Reach, William T., Jarrett, Tom H., Allen, Glenn E.
High energy observations of Cas A suggested the presence of synchrotron radiation, implying acceleration of cosmic rays by young supernova remnants. We detect synchrotron emission from Cas A in the...
X-Ray Synchrotron Emitting Fe-Rich Ejecta in SNR RCW 86 (2002)
Rho, Jeonghee, Dyer, Kristy K., Borkowski, Kazimierz J., Reynolds, Stephen P.
Supernova remnants may exhibit both thermal and nonthermal X-ray emission. We present Chandra observations of RCW 86. Striking differences in the morphology of X-rays below 1 keV and above 2 keV...
ROSAT/Asca Observations of the Mixed-Morphology Supernova Remnant W28 (2002)
Rho, Jeonghee, Borkowski, Kazimierz J.
We present ROSAT PSPC and ASCA observations of the supernova remnant (SNR) W28. The overall shape of X-ray emission in W28 is elliptical, dominated by a centrally-concentrated interior emission,...
Molecular and Ionic shocks in the Supernova Remnant 3C391 (2001)
Reach, William T., Rho, Jeonghee, Jarrett, T. H., Lagage, Pierre-Olivier
New observations of the supernova remnant 3C391 are in the H2 2.12 micron and [Fe II] 1.64 micron narrow-band filters at the Palomar 200-inch telescope, and in the 5-15 micron CVF on ISOCAM. Shocked...
X-rays and Protostars in the Trifid Nebula (2001)
Rho, Jeonghee, Corcoran, Michael F., Chu, You-Hua, Reach, William T.
The Trifid Nebula is a young HII region recently rediscovered as a "pre-Orion" star forming region, containing protostars undergoing violent mass ejections visible in optical jets as seen in images...
Shocked Molecular Gas in the Supernova Remnant HB 21 (2000)
Koo, Bon-Chul, Rho, Jeonghee, Reach, William T., Jung, JaeHoon, Mangum, Jeffrey G.
We report the discovery of the shocked molecular gas in the supernova remnant HB 21. We derive the physical parameters of the shocked gas from CO J=1-0 and J=2-1 line observations. We discuss the...
Near-infrared Imaging and [O~I] spectroscopy of IC 443 using 2MASS and ISO (2000)
Rho, Jeonghee, Jarrett, T. H., Cutri, R. M., Reach, W. T.
We present near-infrared J (1.25um), H (1.65um), and Ks (2.17um) imaging of the entire supernova remnant IC 443 from the Two Micron All Sky Survey (2MASS), and Infrared Space Observatory (ISO) LWS...
Infrared Spectroscopy of Molecular Supernova Remnants (2000)
Reach, William T., Rho, Jeonghee
We present Infrared Space Observatory spectroscopy of sites in the supernova remnants W28, W44, and 3C391, where blast waves are impacting molecular clouds. Atomic fine-structure lines were detected...
Reach, William T., Rho, Jeonghee
We report the detection of shock-excited far-infrared emission of H2O, OH, and CO from the supernova remnant 3C 391, using the ISO Long-Wavelength Spectrometer. This is the first detection of thermal...
Excitation and Disruption of a Giant Molecular Cloud by the Supernova Remnant 3C391 (1998)
Reach, William T., Rho, Jeonghee
Using the IRAM 30-m telescope, we observed the supernova remnant 3C 391 (G31.9+0.0) and its surroundings in the CO(2-1), HCO+(1-0), CS(2-1), CS(3-2), and CS(5-4) lines. The ambient molecular gas at...
An x-ray study of composite supernova remnants /--Jeonghee Rho. (1995)
Thesis (Ph. D.)--University of Maryland, 1995.
An X-ray study of composite supernova remnants /--by Jeonghee Rho. (1995)
Thesis research directed by Dept. of Astronomy.