Dust to Disks to Planets with the JCMT Doug Johnstone – Associate Director JCMT.

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Presentation transcript:

Dust to Disks to Planets with the JCMT Doug Johnstone – Associate Director JCMT

JCMT Vital Statistics First light 1987 Primary diameter 15m Surface accuracy 22μm Gore-Tex Membrane Partnership (as of April 1, 2013) – Netherlands has withdrawn – Canada 25% – UK 75% Over 100 Refereed Papers in 2012

Deeply Embedded (Class O) Protostars VLA 1623 SED by Andre et al UKT14 (single bolometer)

Surveys of Star Forming Regions Ophiuchus Map – 1 sq. degree From the Legacy Catalogue by Di Francesco, Johnstone et al SCUBA (128 bolometers, 450/850μm)

Legacy Surveys of Star Forming Regions NGC1333 at 450/850μm + Sp. Index by Hatchell and the GBS Team SCUBA-2 (10240 bolometers, 450/850μm)

Surveys of YSO Disks Disk Mass Evolution in Taurus-Auriga by Andrews and Williams SCUBA

Images of Dusty Debris Disks Epsilon Eridani by Greaves et al SCUBA

Legacy Surveys of Dusty Debris Disks Rogues Gallery from SONS Holland, Matthews, Greaves and the SONS Team, SCUBA-2

Planetary Atmospheres Wind Speeds on Venus by Sandor et al HARP: 16 element 350 GHz heterodyne array The JCMT has observed: Atmospheres of many planets Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto Chemistry (SO, SO 2, CO, etc) detection of CO in Neptunes atmosphere (1993) Temperatures, Phase Variations (day/night)

Lunar Surface Temperature of Lunar Surface Top: Left 450μm; Right 850μm Bottom: Left Temp map; Visible Image - SCUBA-2 Commissioning

Kuiper Belt Object Sizes R-band Image of KBO Varuna ~ 900km diameter Aussel & Jewitt SCUBA photometry estimate of size

Comets Left: HCN 4-3 map of Hale-Bopp Right: HCN line profile fit with an outgassing model in which the rate of day to night emission is 3:1

Comets Right Now Comets are like cats: they have tails and do whatever they want." Observing L4 PanStarrs and anticipating the arrival of ISON ….

The JCMT in an ALMA Era Fields of View: ALMA (yellow) JCMT (red) Portion of the Universe accessible to both ALMA and the JCMT.

Location, Location, Location one careful owner! only driven at night, in benign conditions! owner leaving town, must sell! bargain price! call for details …