Refereed Publications

In the preprints section the links will take you to the archived paper on the Astrophysics Preprint Server at LANL. All preprints served here have been accepted for publication in a refereed journal. In the Published Paper section the links point to the NASA ADS Archive.

Preprints

XMM-Newton Observations of the Bipolar Planetary Nebulae NGC 2346 and NGC 7026
Robert A. Gruendl, Martin A. Guerrero, You-Hua Chu, and Rosa M. Williams, 2006, submitted to ApJ.

CHANDRA ACIS Spectroscopy of N157B -- A Young Composite Supernova Remnant in a Superbubble
Yang Chen (NJU), Q. Daniel Wang (UMass), Eric V. Gotthelf (Columbia), Bing Jiang (NJU), You-Hua Chu (UIUC), Robert Gruendl (UIUC), 2006, submitted to ApJ.

An Optical Study of Stellar and Interstellar Environments of Seven Luminous and Ultraluminous X-Ray Sources
Caitlin J. Ramsey, Rosa M. Williams, Robert A. Gruendl, C.-H. Rosie Chen, You-Hua Chu, Q. Daniel Wang, 2006, accepted for publication in the ApJ.


Published Papers


Protostars, Dust Globules, and a Herbig-Haro Object in the LMC Superbubble N51D
Chu, Y.-H., Gruendl, R.A., Chen, C.-H.R., Whitney, B.A., Gordon, K.D., Looney, L.W., Clayton, G.C., Dickel , J.R., Dunne, B.C., Points, S.D., Smith, R.C. and Williams, R.M. 2005, ApJ, 634, L189

Supernova Remnants in the Magellanic Clouds. V. The Complex Interior Structure of the N206 Supernova Remnant
Williams, R.M., Chu, Y.-H., Dickel, J.R., Gruendl, R.A., Seward, F.D., Guerrero, M.A. and Hobbs, G. 2005, ApJ, 628, 704

The Optical Counterpart of M101 ULX-1
Kuntz, K.D., Gruendl, R.A., Chu, Y.-H., Chen, C.-H.R., Still, M., Mukai, K. and Mushotzky, R.F. 2005, ApJ, 620, L31

A 4.8 and 8.6 GHz Survey of the Large Magellanic Cloud. I. The Images
Dickel, J.R., McIntyre, V.J., Gruendl, R.A. and Milne, D.K. 2005, AJ, 129, 790

XMM-Newton detection of hot gas in the Eskimo Nebula: Shocked stellar wind or collimated outflows?
Guerrero, M.A., Chu, Y.-H., Gruendl, R.A. and Meixner, M. 2005, A&A, 430, L69

Far Ultraviolet Spectroscopic Explorer Observations of Nebular O VI Emission from NGC 6543
Gruendl, R.A., Chu, Y.-H. and Guerrero, M.A. 2004, ApJ, 617, L127

An Optical and X-Ray Examination of Two Radio Supernova Remnant Candidates in 30 Doradus
Chu, Y.-H., Gruendl, R.A., Chen, C.-H.R., Lazendic, J.S. and Dickel, J.R. 2004, ApJ, 615, 727

The Nebular Environment and Enigmatic Hard X-Ray Emission of the Hot DO White Dwarf KPD 0005+5106
Chu, Y.-H., Gruendl, R.A., Williams, R.M., Gull, T.R. and Werner, K. 2004, AJ, 128, 2357

Supernova Remnants in the Magellanic Clouds. IV. X-Ray Emission from the Largest Supernova Remnant in the Large Magellanic Cloud
Williams, R.M., Chu, Y.-H., Dickel, J.R., Gruendl, R.A., Shelton, R., Points, S.D. and Smith, R.C. 2004, ApJ, 613, 948

Physical Structure of Planetary Nebulae. III. The Large and Evolved NGC 1360
Goldman, D.B., Guerrero, M.A., Chu, Y.-H. and Gruendl, R.A. 2004, AJ, 128, 1711

The Nature of SN 1961V
Chu, Y.-H., Gruendl, R.A., Stockdale, C.J., Rupen, M.P., Cowan, J.J. and Teare, S.W. 2004, AJ, 127, 2850

Hot Interstellar Gas and Stellar Energy Feedback in the Antennae Galaxies
Metz, J.M., Cooper, R.L., Guerrero, M.A., Chu, Y.-H., Chen, C.-H.R. and Gruendl, R.A. 2004, ApJ, 605, 725

Hard X-Ray Emission Associated with White Dwarfs. II.
Chu, Y.-H., Guerrero, M.A., Gruendl, R.A. and Webbink, R.F. 2004, AJ, 127, 477

An Intriguing X-Ray Arc Surrounding the X-Ray Source RX J053335-6854.9 toward the Large Magellanic Cloud
Lowry, J.D., Chu, Y.-H., Guerrero, M.A., Gruendl, R.A., Snowden, S.L. and Smith, R.C. 2004, AJ, 127, 125

Hot Gas in the Circumstellar Bubble S308
Chu, Y.-H., Guerrero, M.A., Gruendl, R.A., Garc\'\ia-Segura, G. and Wendker, H.J. 2003, ApJ, 599, 1189

Diffuse X-Ray Emission from the Quiescent Superbubble M17, the Omega Nebula
Dunne, B.C., Chu, Y.-H., Chen, C.-H.R., Lowry, J.D., Townsley, L., Gruendl, R.A., Guerrero, M.A. and Rosado, M. 2003, ApJ, 590, 306

Hard X-Ray Emission Associated with White Dwarfs
O'Dwyer, I.J., Chu, Y.-H., Gruendl, R.A., Guerrero, M.A. and Webbink, R.F. 2003, AJ, 125, 2239

The Wind of the B[e] Supergiant Henize S22 Viewed through a Reflection Nebula in DEM L106
Chu, Y.-H., Chen, C.-H.R., Danforth, C., Dunne, B.C., Gruendl, R.A., Naze, Y., Oey, M.S. and Points, S.D. 2003, AJ, 125, 2098

Structure and Dynamics of Candidate O Star Bubbles in N44
Naze, Y., Chu, Y.-H., Guerrero, M.A., Oey, M.S., Gruendl, R.A. and Smith, R.C. 2002, AJ, 124, 3325

Narrow Lines in Type II Supernovae: Probing the Circumstellar Nebulae of the Progenitors
Gruendl, R.A., Chu, Y.-H., Van Dyk, S.D. and Stockdale, C.J. 2002, AJ, 123, 2847

A Critical Examination of Hypernova Remnant Candidates in M101. II. NGC 5471B
Chen, C.-H.R., Chu, Y.-H., Gruendl, R., Lai, S. and Wang, Q.D. 2002, AJ, 123, 2462

Diffuse X-ray emission from the planetary nebula NGC 7009
Guerrero, M.A., Gruendl, R.A. and Chu, Y.-H. 2002, A&A, 387, L1

Distorted H I Gas in the Widely Separated Luminous Infrared Galaxy Arp 256
Chen, J., Lo, K.Y., Gruendl, R.A., Peng, M. and Gao, Y. 2002, AJ, 123, 720

Nature of Widely Separated Ultraluminous Infrared Galaxies
Dinh-V-Trung,, Lo, K.Y., Kim, D.-C., Gao, Y. and Gruendl, R.A. 2001, ApJ, 556, 141

Variable H-alpha Line Emission from the Central Star of the Helix Nebula
Gruendl, R.A., Chu, Y.-H., O'Dwyer, I.J. and Guerrero, M.A. 2001, AJ, 122, 308

Gas Distribution and Starburst Activity in the Widely Separated Interacting Galaxy Pair NGC 6670
Wang, W., Lo, K.Y., Gao, Y. and Gruendl, R.A. 2001, AJ, 122, 140

Chandra Reveals the X-Ray Glint in the Cat's Eye
Chu, Y.-H., Guerrero, M.A., Gruendl, R.A., Williams, R.M. and Kaler, J.B. 2001, ApJ, 553, L69

The Enigmatic X-Ray Point Sources at the Central Stars of NGC 6543 and NGC 7293
Guerrero, M.A., Chu, Y.-H., Gruendl, R.A., Williams, R.M. and Kaler, J.B. 2001, ApJ, 553, L55

A Search for Jovian Planets around Hot White Dwarfs
Chu, Y.-H., Dunne, B.C., Gruendl, R.A. and Brandner, W. 2001, ApJ, 546, L61

A Morphological Diagnostic for Dynamical Evolution of Wolf-Rayet Bubbles
Gruendl, R.A., Chu, Y.-H., Dunne, B.C. and Points, S.D. 2000, AJ, 120, 2670

ROSAT Observations of X-Ray Emission from Planetary Nebulae
Guerrero, M.A., Chu, Y.-H. and Gruendl, R.A. 2000, ApJS, 129, 295

Hubble Space Telescope Wide Field Planetary Camera 2 Imaging of Shocks in Superbubbles
Chen, C.-H.R., Chu, Y.-H., Gruendl, R.A. and Points, S.D. 2000, AJ, 119, 1317

What Produced the Ultraluminous Supernova Remnant in NGC 6946?
Dunne, B.C., Gruendl, R.A. and Chu, Y.-H. 2000, AJ, 119, 1172

The Supergiant Shell LMC 2. I. The Kinematics and Physical Structure
Points, S.D., Chu, Y.-H., Kim, S., Smith, R.C., Snowden, S.L., Brandner, W. and Gruendl, R.A. 1999, ApJ, 518, 298

Mid-Infrared Images of Luminous Infrared Galaxies in a Merging Sequence
Hwang, C., Lo, K.Y., Gao, Y., Gruendl, R.A. and Lu, N.Y. 1999, ApJ, 511, L17

ROSAT X-Ray Observations of Two Planetary Nebulae: NGC 1535 and NGC 3587
Chu, Y.-H., Gruendl, R.A. and Conway, G.M. 1998, AJ, 116, 1882

BIMA Observations of Gamma-Ray Bursters GRB 970111 and GRB 970228
Smith, I.A., Gruendl, R.A., Liang, E.P. and Lo, K.Y. 1997, ApJ, 487, L5

ARP 302: Nonstarburst Luminous Infrared Galaxies
Lo, K.Y., Gao, Y. and Gruendl, R.A. 1997, ApJ, 475, L103

An H II region beyond the optical disk of the galaxy
de Geus, E.J., Vogel, S.N., Digel, S.W. and Gruendl, R.A. 1993, ApJ, 413, L97

Interaction of NGC 2276 with the NGC 2300 group - Fabry-Perot observations of the H-alpha velocity field
Gruendl, R.A., Vogel, S.N., Davis, D.S. and Mulchaey, J.S. 1993, ApJ, 413, L81

H-alpha Fabry-Perot observations of the density-wave pattern in M51
Vogel, S.N., Rand, R.J., Gruendl, R.A. and Teuben, P.J. 1993, PASP, 105, 666