IRAS 16293: A "Magnetic" Tale of Two Cores (2009)
Rao, Ramprasad, Girart, Josep Miquel, Marrone, Daniel P., Lai, Shih-Ping, Schnee, Scott
We present polarization observations of the dust continuum emission from IRAS 16293 which is a Class 0 protostar and is known to have at least two components, source A and B. These measurements were...
Tang, Ya-Wen, Ho, Paul T. P., Koch, Patrick M., Girart, Josep M., Lai, Shih-Ping, Rao, Ramprasad
We report our observational results of 870 $\mu$m continuum emission and its linear polarization in the massive star formation site W51 e2/e8. Inferred from the linear polarization maps, the magnetic...
Tang, Ya-Wen, Ho, Paul T. P., Girart, Josep Miquel, Rao, Ramprasad, Koch, Patrick, Lai, Shih-Ping
We report high angular resolution (3") Submillimeter Array (SMA) observations of the molecular cloud associated with the Ultra-Compact HII region G5.89-0.39. Imaged dust continuum emission at 870...
The Mid-Infrared Extinction Law in the Ophiuchus, Perseus, and Serpens Molecular Clouds (2008)
Chapman, Nicholas L., Mundy, Lee G., Lai, Shih-Ping, Evans II, Neal J.
We compute the mid-infrared extinction law from 3.6-24 microns in three molecular clouds: Ophiuchus, Perseus, and Serpens, by combining data from the "Cores to Disks" Spitzer Legacy Science program...
Padgett, Deborah L., Rebull, Luisa M., Stapelfeldt, Karl R., Chapman, Nicholas, Lai, Shih-Ping, Mundy, Lee G., ...
We present maps of 14.4 deg^2 of the Ophiuchus dark clouds observed by the Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS). These high-quality maps depict both numerous point...
Padgett, Deborah L., Rebull, Luisa M., Stapelfeldt, Karl R., Chapman, Nicholas L., Lai, Shih-Ping, Mundy, Lee G., ...
We present maps of 14.4 deg^2 of the Ophiuchus dark clouds observed by the Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS). These high quality maps depict both numerous point...
The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. IV. Lupus Observed with MIPS (2007)
Chapman, Nicholas L., Lai, Shih-Ping, Mundy, Lee G., Brooke, Timothy Y., Cieza, Lucas A., ...
We present maps of 7.78 deg^2 of the Lupus molecular cloud complex at 24, 70, and 160 μm. They were made with the Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS) instrument...
The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. IV. Lupus Observed with MIPS (2007)
Chapman, Nicholas L., Lai, Shih-Ping, Mundy, Lee G., Evans II, Neal J., Brooke, Timothy Y., Cieza, Lucas A., ...
We present maps of 7.78 square degrees of the Lupus molecular cloud complex at 24, 70, and $160\:\mu$m. They were made with the Spitzer Space Telescope's Multiband Imaging Photometer for Spitzer...
Cieza, Lucas, Padgett, Deborah L., Stapelfeldt, Karl R., Augereau, Jean-Charles, Harvey, Paul, Evans, Neal J., ...
One of the central goals of the Spitzer Legacy Project ``From Molecular Cores to Planet-forming Disks'' (c2d) is to determine the frequency of remnant circumstellar disks around weak-line T Tauri...
The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds VIII. Serpens Observed with MIPS (2007)
Harvey, Paul M., Rebull, Luisa M., Brooke, Tim, Spiesman, William J., Chapman, Nicholas, Huard, Tracy L., ...
We present maps of 1.5 square degrees of the Serpens dark cloud at 24, 70, and 160\micron observed with the Spitzer Space Telescope MIPS Camera. More than 2400 compact sources have been extracted at...
The Spitzer c2d Survey of Nearby Dense Cores. IV. Revealing the Embedded Cluster in B59 (2007)
Brooke, Timothy Y., Huard, Tracy L., Bourke, Tyler L., Boogert , A. C. Adwin, Allen, Lori E., Blake, Geoffrey A., ...
Infrared images of the dark cloud core B59 were obtained with the Spitzer Space Telescope as part of the "Cores to Disks" Legacy Science project. Photometry from 3.6-70 μm indicates at least 20...
The Spitzer c2d Survey of Nearby Dense Cores: IV. Revealing the Embedded Cluster in B59 (2006)
Brooke, Timothy Y., Huard, Tracy L., Bourke, Tyler L., Boogert, A. C. Adwin, Allen, Lori E., Blake, Geoffrey A., ...
Infrared images of the dark cloud core B59 were obtained with the Spitzer Space Telescope as part of the "Cores to Disks" Legacy Science project. Photometry from 3.6-70 microns indicates at least 20...
Lee, Jeong-Eun, Di Francesco, James, Lai, Shih-Ping, Bourke, Tyler L., Spiesman, Bill, ...
We present a comprehensive study of a low-mass star-forming region, L1251B, at wavelengths from the near-infrared to the millimeter. L1251B, in which only one protostar, IRAS 22376+7455, was known...
The Spitzer c2d survey of large, nearby, interstellar clouds. III. Perseus observed with IRAC (2006)
Jørgensen, Jes K., Harvey, Paul M., Huard, Tracy L., Allen, Lori E., Porras, Alicia, ...
We present observations of 3.86 deg to the 2nd of the Perseus molecular cloud complex with the Spitzer Space Telescope Infrared Array Camera (IRAC). The maps show strong extended emission arising...
Lee, Jeong-Eun, Di Francesco, James, Lai, Shih-Ping, Bourke, Tyler L., Evans II, Neal J., Spiesman, Bill, ...
We present a comprehensive study of a low-mass star-forming region,L1251B, at wavelengths from the near-infrared to the millimeter. L1251B, where only one protostar, IRAS 22376+7455, was known...
The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. III. Perseus Observed with IRAC (2006)
Jorgensen, Jes K., Harvey, Paul M., Evans II, Neal J., Huard, Tracy L., Allen, Lori E., Porras, Alicia, ...
We present observations of 3.86 sq. deg. of the Perseus molecular cloud complex with the Spitzer Space Telescope Infrared Array Camera (IRAC). The maps show strong extended emission arising from...
Young, Chadwick H., Jørgensen, Jes K., Shirley, Yancy L., Kauffmann, Jens, Huard, Tracy, Lai, Shih-Ping, ...
Lai, Shih-Ping, Velusamy, T., Langer, W. D.
It has been suggested that under average interstellar field strengths the cyclotron interaction between ions and magnetic fields is strong enough to narrow the linewidth and suppress the line wings...
Lai, Shih-Ping, Girart, Josep M., Crutcher, Richard
We present the polarization detections in DR21(OH) from both the thermal dust emission at 1.3 mm and the CO J=2-1 line obtained with the Berkeley-Illinois-Maryland Association (BIMA) array. Our...
The Physical and Chemical Status of Pre-protostellar Core B68 (2003)
Lai, Shih-Ping, Velusamy, T., Langer, W. D., Kuiper, T. B. H.
We have investigated the physical and chemical status of the pre-protostellar core B68. A previous extinction study suggested that the density profile of B68 is remarkably consistent with a...
A Critical Examination of Hypernova Remnant Candidates in M101. II. NGC 5471B (2002)
Chen, C. -H. Rosie, Chu, You-Hua, Gruendl, Robert, Lai, Shih-Ping, Wang, Q. Daniel
NGC 5471B has been suggested to contain a hypernova remnant because of its extraordinarily bright X-ray emission. To assess its true nature, we have obtained high-resolution images in continuum bands...
Interferometric Mapping of Magnetic Fields in Star-forming Regions II. NGC2024 FIR5 (2001)
Lai, Shih-Ping, Crutcher, Richard M., Girart, Jose M., Rao, Ramprasad
We present the first interferometric polarization maps of the NGC2024 FIR5 molecular core obtained with the BIMA array at approximately 2 arcsec resolution. We measure an average position angle of...
Lai, Shih-Ping, Crutcher, Richard M., Girart, Jose M., Rao, Ramprasad
We present the first interferometric polarization map of the W51 e1/e2 molecular cores obtained with the BIMA array at 1.3 mm wavelength with approximately 3 arcsecond resolution. The polarization...
A Critical Examination of Hypernova Remnant Candidates in M101. I. MF83 (2000)
Lai, Shih-Ping, Chu, You-Hua, Chen, C. H. Rosie, Ciardullo, Robin, Grebel, Eva K.
The SNR candidate MF83 in M101 is coincident with a very luminous X-ray source. Based on the high X-ray luminosity, it has been suggested that MF83 is a "hypernova remnant" requiring an explosion...
33.8 GHz CCS Survey of Molecular Cores in Dark Clouds (1999)
Lai, Shih-Ping, Crutcher, Richard M.
We have conducted a survey of the CCS $J_N = 3_2-2_1$ line toward 11 dark clouds and star-forming regions at 30 arcsec spatial resolution and 0.054 km/s velocity resolution. CCS was only detected in...
Super-luminous Supernova Remnants (1999)
Chu, You-Hua, Chen, C. -H. Rosie, Lai, Shih-Ping
Some extragalactic SNRs are more than two orders of magnitude more luminous than the young Galactic SNR Cas A. These SNRs are called super-luminous or ultra-luminous SNRs. Their high luminosities can...
CCS - A TRACER OF EARLY STAR FORMATION (1999)
Lai, Shih-Ping, Crutcher, Richard M.
Author Institution: Department of Astronomy, University of Illinois