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Science with ALMA Archive. Masa Hayashi (NAOJ). East Asia ALMA Science Workshop, Korea (July 14, 2014). Archive Science. Masa Hayashi (NAOJ): Science with ALMA Archive Aya Higuchi (Ibaraki): Science case with ALMA archive
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Science with ALMA Archive Masa Hayashi (NAOJ) East Asia ALMA Science Workshop, Korea (July 14, 2014)
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
ALMA Status ALMA: a giant array of 66 antennas incl. ACA (Morita array) with four 12-m total power antennas band8 band10 band4 45 Antennas ALMA (ESO/NAOJ/NRAO), S. Komugi (NAOJ/ALMA)
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)
Proprietary Period (12 months) Accessible by anyone Accessible by anyone
Proprietary Period (12 months) Most of Cycle 0 data (>100 projects) are publicly available now.
Publication with ALMA Archive • 1/3 of ALMA publications • are based on archival data. • There are only a few papers based on Cycle0 archival data. As of 2014-07-09 (ALMA publication statistics)
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)
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
ALMA Archival Papers • Probing detailed physical and chemical conditions of protoplanetary disks TW Hydrae SMA 2 nights => Hughes et al. 2011 Bergin et al. 2013, Nature CO(3-2) ALMA SV band 7 Data, 9 antennas, 2.4 hours (x10 more sensitive than the previous SMA observations) Spectrum of the central region CO(3-2) Tgas = 30 K Mgas> 3.9 × 10−3 M⊙ HST image (1.7-2.2um) Debes et al. 2013, ApJ 100AU 160AU / 3” NASA, ESA, Z. Levay (STScI/AURA)
ALMA Archival Papers • Clear [CII] 158μm line detection from the distant galaxy BR1202-0725 (z=4.7) SMA 20 hours ALMA SVBand 7 Data 17 antennas, 30 minutes Iono et al. 2006 Wagg et al. 2012, ApJL
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 CO(2-1) Gas ALMA (ESO/NAOJ/NRAO) HST (NASA/ESA) ALMA SV Band 6 Data 14 antennas, 17 pointings Old Stars 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. Young Stars Numerical Simulation Matsui et al. 2012,ApJ
ALMA Archive http://almascience.nao.ac.jp/aq/ CO(3-2)
Quick Look with JVO http://jvo.nao.ac.jp/portal/alma/archive.do CO(3-2)
Quick Look with JVO CO(3-2) CO(3-2) emission from the AGB star R Sculptoris (Maercker et al. 2012, Nature)
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.