Science with ALMA Archive Masa Hayashi (NAOJ) East Asia ALMA Science Workshop, Korea (July 14, 2014) 2 Archive Science • Masa Hayashi (NAOJ): Science with ALMA Archive • Aya Higuchi (Ibaraki): Science case with ALMA archive • Tohru Nagao (Ehime): Extragalactic Studies with ALMA Archival Data • Erik Muller (NAOJ): Using ALMA Archive; ALMA Science Archive substructure and operation 3 ALMA Status ALMA: a giant array of 66 antennas incl. ACA (Morita array) with four 12-m total power antennas 45 Antennas ALMA (ESO/NAOJ/NRAO), S. Komugi (NAOJ/ALMA) band4 band8 band10 4 Science Capabilities Cycle 0 (2011-2013) >16 x 12m antennas Bands 3 (3.1mm), 6 (1.3mm), 7 (0.87mm), 9 (0.44mm) Max 400 m baseline (~0.3″ resolution) Cycle 1 (2013-2014) 32 x 12m antennas ACA (9 x 7m, 2 x 12m TP antennas) Bands 3 (3.1mm), 6 (1.3mm), 7 (0.87mm), & 9 (0.44mm) Max 1 km baseline (~0.1″ resolution) Cycle 2 (2014-2015) 34 x 12m antennas ACA (9 x 7m, 2 x 12m TP antennas) Bands 3, 4 (2.1mm), 6, 7, 8 (0.74mm), & 9 Max 1-1.5 km baseline (~0.1″ resolution) Polarization (Band 3, 6, & 7, no ACA) 5 ALMA Science Archive - ASA:(12 Proprietary Period Protection of your Proprietary periods months) Proposed data (standard and DDT proposals) Instantly available to PI - Available to anyone after proprietary period (12 or 6 calendar months). Verification and calibrator data are instantly available to anyone Accessible by anyone Accessible to anonymous Accessible only by PI ALMA PI & delegated COIs QA2 12 Mnths after delivery Director discretionary time QA2 6 Mnths Processing period Science verification Calibrator data QA2 verification QA2 verification Accessible by Accessible to anyone anonymous 6 Proprietary Period (12 months) Most of Cycle 0 data (>100 projects) are publicly available now. 7 Publication with ALMA Archive Archive Cycle0 (4) 3% 1/3 of ALMA publications are based on archival data. There are only a few papers based on Cycle0 archival data. Archive SV (37) 32% PI Cycle0/1 (83) 65% As of 2014-07-09 (ALMA publication statistics) Refereed ALMA publications (total: 124) 8 ALMA Archival Papers Discovery of the simplest sugar, Glycolaldehyde (HCOCH2OH) from the young “solar-mass” protostellar binary, IRAS 16293-2422 ALMA SV Band 6 Data 16 antennas, 5.4 hours, 2 pointings Mass ~ 3 M⊙ Sources A (rotation) Jørgensen et al. 2012, ApJL Pineda et al. 2012, A&AL Source B (inflow - inverse P-Cygni profile) 9 ALMA Archival Papers The first detection of vibrationally-excited water vapor emission in star forming regions Revealing the disk and its kinematics around Orion KL Source I: A new tool to explore the vicinity of forming stars Receding gas ALMA SV band 6 Data 16 antennas, 20 minutes Hirota et al. 2012, ApJL Approaching gas 10 ALMA Archival Papers Probing detailed physical and chemical conditions of protoplanetary disks TW Hydrae Bergin et al. 2013, Nature SMA 2 nights => Hughes et al. 2011 CO(3-2) ALMA SV band 7 Data, 9 antennas, 2.4 hours (x10 more sensitive than the previous SMA observations) CO(3-2) Tgas = 30 K Mgas> 3.9 × 10−3 M⊙ Spectrum of the central region HST image (1.7-2.2um) Debes et al. 2013, ApJ 100AU 160AU / 3” NASA, ESA, Z. Levay (STScI/AUR 11 ALMA Archival Papers Clear [CII] 158μm line detection from the distant galaxy BR1202-0725 (z=4.7) ALMA SV Band 7 Data 17 antennas, 30 minutes SMA 20 hours Iono et al. 2006 Wagg et al. 2012, ApJL 12 ALMA Archival Papers Discovery of a clumpy molecular gas arm in merging galaxies Stars will born in the clumps in the tidal molecular arms as predicted by numerical simulations The Antennae Numerical Simulation Teyssier et al. 2010, A&AL ALMA (ESO/NAOJ/NRAO) HST (NASA/ESA) ALMA SV Band 6 Data 14 antennas, 17 pointings CO(2-1) Espada et al. 2012, ApJL The star formation efficiency in the tidal arm (~6 Gyr-1) is a factor of x10 higher than those in normal disk galaxies. Gas Old Stars Young Stars Numerical Simulation Matsui et al. 2012,ApJ 13 ALMA Archive http://almascience.nao.ac.jp/aq/ CO(3-2) 14 Quick Look with JVO http://jvo.nao.ac.jp/portal/alma/archive.do CO(3-2) 15 Quick Look with JVO CO(3-2) CO(3-2) emission from the AGB star R Sculptoris (Maercker et al. 2012, Nature) 16 Summary • ALMA archival data of >100 Cycle 0 projects are now publicly available. • 1/3 of ALMA publications are based on archival data. • There are only a few Cycle0 archival papers publihed yet. • JVO is useful to visually check the archival data.