Dae-Sik Moon

AKARI Infrared Observations of the Supernova Remnant G292.0+1.8: Unveiling Circumstellar Medium and Supernova Ejecta (2009)

Lee, Ho-Gyu, Koo, Bon-Chul, Moon, Dae-Sik, Sakon, Itsuki, Onaka, Takashi, Jeong, Woong-Seob, ...

We present the results of AKARI observations of the O-rich supernova remnant G292.0+1.8 using six IRC and four FIS bands covering 2.7-26.5 um and 50-180 um, respectively. The AKARI images show two...

Dense Iron Ejecta and Core-Collapse Supernova Explosion in the Young Supernova Remnant G11.2-0.3 (2009)

Moon, Dae-Sik, Koo, Bon-Chul, Lee, Ho-Gyu, Matthews, Keith, Lee, Jae-Joon, Pyo, Tae-Soo, ...

We present the results of near-infrared spectroscopic observations of dense (≳10^3 cm^(–3)) iron ejecta in the young core-collapse supernova remnant G11.2-0.3. Five ejecta knots projected to be...

Infrared Studies of Molecular Shocks in the Supernova Remnant HB 21: II. Thermal Admixture of Shocked H$_2$ Gas in the South (2009)

Shinn, Jong-Ho, Koo, Bon-Chul, Burton, Michael G., Lee, Ho-Gyu, Moon, Dae-Sik

We present near- and mid-infrared observations on the shock-cloud interaction region in the southern part of the supernova remnant HB 21, performed with the InfraRed Camera (IRC) aboard AKARI...

Dense Iron Ejecta and Core-collapse Supernova Explosion in the Young Supernova Remnant G11.2-0.3 (2009)

Moon, Dae-Sik, Koo, Bon-Chul, Lee, Ho-Gyu, Matthews, Keith, Lee, Jae-Joon, Pyo, Tae-Soo, ...

We present the results of near-infrared spectroscopic observations of dense ($\simgt$ 10$^3$ cm$^{-3}$) iron ejecta in the young core-collapse supernova remnant G11.2-0.3. Five ejecta knots projected...

Infrared Studies of Molecular Shocks in the Supernova Remnant HB21: I. Thermal Admixture of Shocked H_2 Gas in the North (2008)

Shinn, Jong-Ho, Koo, Bon-Chul, Burton, Michael G., Lee, Ho-Gyu, Moon, Dae-Sik

We present near- and mid-infrared observations on the shock-cloud interaction region in the northern part of the supernova remnant HB21, performed with the InfraRed Camera (IRC) aboard AKARI...

Supernova Remnants in the AKARI IRC Survey of the Large Magellanic Cloud (2008)

Seok, Ji Yeon, Koo, Bon-Chul, Onaka, Takashi, Ita, Yoshifusa, Lee, Ho-Gyu, Lee, Jae-Joon, ...

We present the near- to mid-infared study of supernova remnants (SNRs) using the AKARI IRC Survey of the Large Magellanic Cloud (LMC). The LMC survey observed about a 10 square degree area of the LMC...

Near-Infrared [Fe II] and H2 Line Observations of the Supernova Remnant 3C 396: Probing the Pre-supernova Circumstellar Materials (2008)

Lee, Ho-Gyu, Moon, Dae-Sik, Koo, Bon-Chul, Lee, Jae-Joon, Matthews, Keith

We present the results of near-infrared [Fe II] and H2 line imaging and spectroscopic observations of the supernova remnant 3C 396 using the Palomar 5 m Hale telescope. We detect long, filamentary...

Massive-Star Forming Infrared Loop around the Crab-like Supernova Remnant G54.1+0.3: Post Main-Sequence Triggered Star Formation? (2007)

Koo, Bon-Chul, McKee, Christopher F., Lee, Jae-Joon, Lee, Ho-Gyu, Lee, Jeong-Eun, Moon, Dae-Sik, ...

We report the discovery of a star-forming loop around the young, Crab-like supernova remnant (SNR) G54.1+0.3 using the AKARI infrared satellite. The loop consists of at least eleven young stellar...

The Rich Mid-Infrared Environments of Two Highly-Obscured X-ray Binaries: Spitzer Observations of IGR J16318-4848 and GX 301-2 (2007)

Moon, Dae-Sik, Kaplan, David, Reach, William, Harrison, Fiona, Lee, Jeong-Eun, Martin, Peter

We present the results of Spitzer mid-infrared spectroscopic observations of two highly-obscured massive X-ray binaries: IGR J16318-4848 and GX301-2. Our observations reveal for the first time the...

A Near-Infrared Study of the Highly-Obscured Active Star-Forming Region W51B (2007)

Kim, Hyosun, Nakajima, Yasushi, Sung, Hwankyung, Moon, Dae-Sik, Koo, Bon-Chul

We present wide-field JHKs-band photometric observations of the three compact HII regions G48.9-0.3, G49.0-0.3, and G49.2-0.3 in the active star-forming region W51B. The star clusters inside the...

AKARI Detection of the Infrared-Bright Supernova Remnant B0104-72.3 in the Small Magellanic Cloud (2007)

Koo, Bon-Chul, Lee, Ho-Gyu, Moon, Dae-Sik, Lee, Jae-Joon, Seok, Ji Yeon, Lee, Hyung Mok, ...

We present a serendipitous detection of the infrared-bright supernova remnant (SNR) B0104-72.3 in the Small Magellanic Cloud by the Infrared Camera (IRC) onboard AKARI. An elongated, partially...

[Fe II] and H2 filaments in the Supernova Remnant G11.2-0.3: Supernova Ejecta and Presupernova Circumstellar Wind (2006)

Koo, Bon-Chul, Moon, Dae-Sik, Lee, Ho-Gyu, Lee, Jae-Joon, Matthews, Keith

We present the results of near-infrared imaging and spectroscopic observations of the young, core-collapse supernova remnant (SNR) G11.2-0.3. In the [Fe II] 1.644 um image, we first discover long,...

The Automated Palomar 60-Inch Telescope (2006)

Cenko, S. Bradley, Fox, Derek B., Moon, Dae-Sik, Harrison, Fiona A., Kulkarni, S. R., Henning, John R., ...

We have converted the Palomar 60-inch telescope (P60) from a classical night assistant-operated telescope to a fully robotic facility. The automated system, which has been operational since September...

Photometric Typing Analyses of Three Young Supernovae with the Robotic Palomar 60-Inch Telescope (2004)

Rajala, Anne M., Fox, Derek B., Gal-Yam, Avishay, Leonard, Douglas C., Soderberg, Alicia M., Kulkarni, S. R., ...

We present photometric typing analyses of three young supernovae observed with the Robotic 60-inch Telescope at Palomar Observatory (P60). This represents the first time that such photo-typing has...

The Evolution Of LMC X-4 Flares: Evidence For Super-Eddington Radiation Oozing Through Inhomogeneous Polar Cap Accretion Flows ? (2002)

Moon, Dae-Sik, Eikenberry, Stephen S., Wasserman, Ira M.

We present the results of two extensive Rossi X-ray Timing Explorer observations of large X-ray flaring episodes from the high-mass X-ray binary pulsar LMC X-4. Light curves during the flaring...

SMC X-1 As An Intermediate-Stage Flaring X-ray Pulsar (2002)

Moon, Dae-Sik, Eikenberry, Stephen S., Wasserman, Ira M.

We present Rossi X-ray Timing Explorer observations of the X-ray pulsar SMC X-1. The source is highly variable on short time scales (< 1 h), exhibiting apparent X-ray flares occupying a significant...

Discovery of Coupling between Periodic and Aperiodic Variability and X-ray Quasi-periodic Oscillations from Her X-1 (2001)

Moon, Dae-Sik, Eikenberry, Stephen S.

We report the discovery of coupling between periodic and aperiodic variability and ~12-mHz X-ray quasi-periodic oscillations (QPOs) from the X-ray binary pulsar Her X-1 using data from the Rossi...

A Next Generation High-speed Data Acquisition System for Multi-channel Infrared and Optical Photometry (2001)

Moon, Dae-Sik, Pirger, Bruce E., Eikenberry, Stephen S.

We report the design, operation, and performance of a next generation high-speed data acquisition system for multi-channel infrared and optical photometry based on the modern technologies of Field...

Large X-ray Flares from LMC X-4: Discovery of Milli-hertz Quasi-periodic Oscillations and QPO-modulated Pulsations (2001)

Moon, Dae-Sik, Eikenberry, Stephen. S.

We report the discovery of milli-hertz (mHz) quasi-periodic oscillations (QPOs) and QPO-modulated pulsations during large X-ray flares from the high-mass X-ray binary pulsar LMC X-4 using data from...