High spatial resolution observations of two young protostars in the R corona australis region

We present multiwavelength, high spatial resolution imaging of the IRS 7 region in the R Corona Australis molecular cloud. Our observations include 1.1 mm continuum and HCO+ J = 3 -> 2 images from the Submillimeter Array (SMA), (CO)-C-12 J = 3 -> 2 outflow maps from the DesertStar heterodyne array receiver on the Heinrich Hertz Telescope (HHT), 450 and 850 mu m continuum images from SCUBA, and archival Spitzer IRAC and MIPS 24 mu m images. The accurate astrometry of the IRAC images allow us to identify IRS 7 with the centimeter source VLA 10W (IRS 7A) and the X-ray source X-W. The SMA 1.1 mm image reveals two compact continuum sources that are also distinguishable at 450 mu m. SMA1 coincides with X-ray source CXOUJ190156.4-365728 and VLA centimeter source 10E (IRS 7B) and is seen in the IRAC and MIPS images. SMA 2 has no infrared counterpart but coincides with centimeter source VLA 9. Spectral energy distributions constructed from SMA, SCUBA, and Spitzer data yield bolometric temperatures of 83 K for SMA 1 and <= 70 K for SMA 2. These temperatures along with the submillimeter to total luminosity ratios indicate that SMA 2 is a Class 0 protostar, while SMA1 is a Class 0/Class I transitional object (L = 17 +/- 6L circle dot). The (12)COJ = 3 -> 2 outflow map shows one major and possibly several smaller outflows centered on the IRS 7 region, with masses and energetics consistent with previous work. We identify the Class 0 source SMA 2/VLA 9 as the main driver of this outflow. The complex and clumpy spatial and velocity distribution of the HCO+ J = 3 -> 2 emission is not consistent with either bulk rotation, or any known molecular outflow activity.