Shock Speed, Cosmic Ray Pressure, and Gas Temperature in the Cygnus Loop (2008)
Salvesen, Greg, Raymond, John C., Edgar, Richard J.
Upper limits on the shock speeds in supernova remnants can be combined with post-shock temperatures to obtain upper limits on the ratio of cosmic ray to gas pressure (P_CR / P_G) behind the shocks....
Chandra ACIS survey of M33 (ChASeM33): a first look (2008)
Plucinsky, Paul P., Williams, Benjamin, Long, Knox S., Gaetz, Terrance J., Sasaki, Manami, Pietsch, Wolfgang, ...
Chandra ACIS Survey of M33 (ChASeM33): A First Look (2007)
Plucinsky, Paul P., Williams, Benjamin, Long, Knox S., Gaetz, Terrance J., Sasaki, Manami, Pietsch, Wolfgang, ...
We present an overview of the Chandra ACIS Survey of M33 (ChASeM33): A Deep Survey of the Nearest Face-on Spiral Galaxy. The 1.4 Ms survey covers the galaxy out to $R \approx 18\arcmin (\approx 4$...
Gaetz, Terrance J., Blair, William P., Hughes, John P., Winkler, P. Frank, Long, Knox S., Pannuti, Thomas G., ...
We present and interpret new X-ray data for M33SNR21, the brightest X-ray supernova remnant (SNR) in M33. The SNR is in seen projection against (and appears to be interacting with) the bright HII...
Cranmer, Steven R., Van Ballegooijen, Adriaan A., Edgar, Richard J.
We present a series of models for the plasma properties along open magnetic flux tubes rooted in solar coronal holes, streamers, and active regions. These models represent the first self-consistent...
Suzaku Observations of the Local and Distant Hot ISM (2006)
Smith, Randall K., Bautz, Mark W., Edgar, Richard J., Hamaguchi, Kenji, Hughes, John P., Ishida, Manabu, ...
Suzaku observed the molecular cloud MBM12 and a blank field less than 3 degrees away to separate the local and distant components of the diffuse soft X-ray background. Towards MBM12, a local (D< 275...
FUV and X-ray Observations of the Reverse Shock in the SMC SNR 1E 0102.2-7219 (2006)
Sasaki, Manami, Gaetz, Terrance J., Blair, William B., Edgar, Richard J., Morse, Jon A., Plucinsky, Paul P., ...
We present FUSE and XMM-Newton data for the reverse shock of the O-rich SNR 1E0102.2-7219 in the SMC. The FUSE observations cover three regions with significantly different optical [O III]...
Steven R. Cranmer, Richard J. Edgar
We present a series of models for the plasma properties along open magnetic flux tubes rooted in solar coronal holes, streamers, and active regions. These models represent the first self-consistent...
Steven R. Cranmer, Richard J. Edgar
We present a series of models for the plasma properties along open magnetic flux tubes rooted in solar coronal holes, streamers, and active regions. These models represent the first self-consistent...
The Flight Spectral Response of the ACIS Instrument (2002)
Plucinsky, Paul P., Schulz, Norbert S., Marshall, Herman L., Grant, Catherine E., Chartas, George, Sanwal, Divas, ...
We discuss the flight calibration of the spectral response of the Advanced CCD Imaging Spectrometer (ACIS) on-board the Chandra X-ray Observatory (CXO). The spectral resolution and sensitivity of the...
The X-ray Halo of GX 13+1 (2002)
Smith, Randall K., Edgar, Richard J., Shafer, Richard A.
We present observations of the X-ray halo around the LMXB GX 13+1 from the Chandra X-ray telescope. The halo is caused by scattering in interstellar dust grains, and we use it to diagnose the...
The Low-Energy Spectral Response of the ACIS CCDs (2001)
Plucinsky, Paul P., Edgar, Richard J., Virani, Shanil N., Townsley, Leisa K., Broos, Patrick S.
The flight calibration of the spectral response of the Advanced CCD Imaging Spectrometer (ACIS) below 1.5 keV is difficult because of the lack of strong lines in the calibration source on-board the...
RXJ 0852.0-0462: Another Nonthermal Shell-Type SNR (G266.2-1.2) (2000)
Slane, Patrick, Hughes, John P., Edgar, Richard J., Plucinsky, Paul P., Miyata, Emi, Tsunemi, Hiroshi, ...
The newly discovered supernova remnant G266.2-1.2 (RX J0852.0--0462), along the line of sight to the Vela SNR, was observed with ASCA for 120 ks. We find that the X-ray spectrum is featureless, and...
Non-equilibrium Ionization and FIP Effect Diagnostics (2000)
Edgar, Richard J., Esser, Ruth
We examine the accuracy of a common FIP effect diagnostic, the ratio of Ne VI to Mg VI lines in the solar transition region. Since the two ions have quite similar contribution functions near their...
Gaetz, T. J., Butt, Yousaf M., Edgar, Richard J., Eriksen, Kristoffer A., Plucinsky, Paul P., Schlegel, Eric M., ...
We present observations of the young, Oxygen-rich supernova remnant 1E0102.2-7219 taken by the Chandra X-ray Observatory during Chandra's Orbital Activation and Checkout phase. The boundary of the...