Research Highlights

(a) and (b): Color-composite image of SMA HCN(J = 4−3) tracing the circumnuclear disk in the Galactic center (blue; CND) and the 6 cm map tracing the mini-spiral (red). The (...more)

Top: The wSMA240 mixer chip. Three SIS junctions are connected in series for increasing the IF bandwidth. Bottom: The performance of wSMA240 mixer. The DSB noise receiver temperature of wSMA240 (...more)

Spiral-shell circumstellar pattern of CIT 6 is revealed in our SMA CO J=2-1 channel maps, in blue, shown atop the earlier VLA HC3N J=4-3 (Claussen et al. 2011) in red. (...more)

Left: Filamentary structure observed in the Orion Molecular Cloud obtained in the 850 µm continuum emission taken with the JCMT/SCUBA (Johnstone & Bally 1999) Right: SMA 850 µm continuum image (...more)

SMA 7-pixel array receiver co-polarization radiation pattern at 345 GHz. The peak value of each pixel is indicated. Each contour is 3dB apart. (...more)

Gray image is the HST image in Ha, showing multiple optical outflow lobes expanding away from the central star. Color image shows the fast CO bullets inside the lobes, detected (...more)

Left: Optical image of Centaurus A (ESO/IDA/Danish 1.5 m/R. Gendler, J.-E. Ovaldsen, & S. Guisard, ESO). Prominent dust lane is clearly visible. Right: Molecular gas (CO J = 2-1) observed (...more)

Blueshifted and redshifted outflow components obtained in the CO (2-1) emission with SMA (this work), superposed on the infrared reflection nebula obtained in the 4.5 um image with Spitzer/IRAC (Bourke (...more)

SMA observational results of the dust continuum emission at wavelengths of 870 micron (color scales and contours) and the magnetic field projected in the plane of sky (shown in segments). (...more)

Left panels: 12CO 2-1 integrated intensity map (M0, upper-left panel) and the velocity dispersion map (M2, lower-left panel) toward the circumstellar disk of the Herbig Ae star AB Aurigae from (...more)

The SiO J=8-7 and CO J=3-2 images of the jet driven by the class 0 protostar, L1448C(N), observed with the SMA at a resolution of ~0.5". The blue and red (...more)

Local magnetic field strength with the polarization - intensity gradient method: the molecular cloud core W51 e2, SMA extended array data (Tang et al. 2009, Koch et al. 2012). (...more)

The filamentary GMC undergoing hierarchical fragmentation will eventually form clusters of OB stars, as traced by the compact 8 μm and the 24 μm emission (Fig. A). The highest mass (...more)

The discovered outflow lobe size (~1000 AU; left panel of the figure) is the smallest molecular outflow ever found in the intermediate-mass protostellar cores. The line width dramatically increases downstream (...more)

(TOP) Near-Infrared composite color image of L1551 NE observed with SUBARU (Hayashi & Pyo 2009). The blue, green, and red colors are assigned to the H, [Fe II], and H2 (...more)

Highest angular resolution achieved with the SMA 850 micron continuum observations has revealed detailed spatial structures within a massive protostellar envelope, MMS 6.The observing data and detailed model comparisons clearly (...more)

Ultradeep multiwavelength images of the submillimeter galaxies GOODS 850–23 (top) and GOODS 850–13 (bottom). Left – 0.88 mm continuum images observed with the SMA. Middle – False color optical images (...more)

Left - CO(J = 2-1) integrated map (contours) overlaid on the archival HST I-band image (color). Right - HST NICMOS Pa α line image (color) overlaid on the CO(J = (...more)

B field map (red-segments) inferred from the polarization of thermal dust emission at 870 micron (black contours) is shown. The asterisk, star, cross and plus mark the position of BN, (...more)

Left - HST (optical and infrared) images of NGC 7027. Magenta is molecular hydrogen (H2) line emission. White is H-alpha (nebular line). Courtesy HSTScI. Right - False color-scale image of (...more)

The HH211 molecular jet imaged with the SMA at 0.3” resolution. The CO, SiO, SO, and 0.85 mm continuum are red, green, blue, and orange (contours), respectively . (...more)

Left - Maps of magnetic field in OMC1 region observed with the CSO at 0.35 mm (red) and 0.45 mm (blue). Continuum intensity at 0.35 mm is shown as black (...more)

The central region of the Seyfert 1 galaxy NGC 1097 mapped with the SMA in 12CO(2-1) (lower-right image). NGC 1097 is a nearby galaxy with a large-scale bar (left image), (...more)

The HCO+(3–2) line emission at 267 GHz observed with the SMA in the young planetary nebula NGC 7027 (Huang, Trung, Hasegawa et al. 2006, in preparation). The contours show H2 (...more)

Images of circumstellar disks around Herbig Ae stars, obtained in 345 GHz dust emission (contours) using the SMA (AB Aur: Lin et al. 2006, ApJ, 645, 1297, HD 142527: Ohashi (...more)

Magnetic field vectors shown in red as measured in dust polarization by the SMA. Contours show 0.877 mm dust continuum emission (Girart, Rao, and Marrone 2006, Science, 313, 812) (...more)

The HH211 outflow imaged in the SiO(5-4) line at 217 GHz and SiO(8-7) line at 347 GHz with the SMA. The upper panel shows the distribution of the blueshifted and (...more)

GN20 is a galaxy found in the distant universe. With the SMA, we are able to detect the emission from dust (contours), which is known to be tracing massive star (...more)