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AOP version E Science Operations

AOP version E Science Operations. For the ASAC meeting March 9-10, 2010 Lars-Ake Nyman. 1. AOP version E. Baseline: DSO staff changes Cost for the Proposal Review Process Reduced number of array configurations Possible future scenarios:

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AOP version E Science Operations

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  1. AOP version E Science Operations For the ASAC meeting March 9-10, 2010 Lars-Ake Nyman 1

  2. AOP version E Baseline: • DSO staff changes • Cost for the Proposal Review Process • Reduced number of array configurations Possible future scenarios: • Reduced science operations during the Altiplanic winter • Reduced number of archives 2

  3. DSO AOP version D: • 13 DSO astronomers, 9 fellows, 4 AoD shifts/day, assumption that ACA may have to be operated separately • AOP version E: • Replace the fellows (ISM) with Data Analysts (LSMs) • Assume that ACA and the 12m-array can be operated simultaneously by one person (3 shifts/day). Replace 2 AoD shifts/day by Data Analysts and ARC astronomers (assume that the Data Analysts are always supervised by an astronomer) • Can be done with 9 DSO astronomers and 6 Data Analysts Cost savings: 950 kUSD/year AOP version D AOP version E AoD 8h AoD 12h AoD 8h AoD 12h AoD 8h AoD => DA, ARC ACA support: AoD 3

  4. Department of Science Operations Department of Science Operations Head of Science Operations 2 Administrative Assistants (OSF) +1 Adm Asst (SCO) Proposal Handling Team 1 Astronomer (lead) (+1) 1 Adm assistant (+1) 1 IT person (+1) Program Management Group 2 Managers 9 Astronomers (-4) 6 Data Analysts (-9 fellows) 1 Web staff (-1 web content Manager) Array Operations Group 2 Managers 10 Operators Data Management Group 2 Managers (Astronomers) 6 Archive Operators/Content Managers (OSF) 6 Archive Operators/Content Managers (SCO) 4 System Astronomers • Observations • Quality assurance • PRC support • Web pages • Array operations • Archive and pipeline • operations • Quality assurance 4

  5. Costs for the Proposal Review process • One proposal cycle/year • Proposal Handling Team (PHT) included in the DSO (1 Lead Astronomer, 1 Adm Asst, 1 IT staff) • Assumptions for ARP and APRC meetings: • There are 8 ARPs each with 9 members. Of the 9 members 6 are traveling to an ARC for f2f meeting, the other 3 non-traveling members provide ranks and science assessments • The APRC (9 members) meet f2f in Santiago • Cost savings: 670 kUSD/year 5

  6. Reduced number of array reconfigurations • 8 configurations moving out and a different set of 8 configurations moving in • Stay for 1-2 weeks in each configuration • ACA reconfigurations as before • Two transporter crews are needed (compared to 4 in version D) • Effects on imaging is being studied (the effects are minor) by Baltasar Vila Vilaro and the regional PSs. A memo will be produced Cost savings: two transporter crews 6

  7. Future possibility: reduced science operations during the Altiplanic winter • Operations of ACA and short baselines of the 12m array during February and March • We are investigating whether maintenance and overhauls can be done preferably in this period, in order to make operations more efficient during the rest of the year • We will not implement this scenario 7

  8. Future Possibility: No ARC mirror archives Baseline plan: 5 Archives (OSF, SCO, ARCs) Scenario: No ARC mirror archives. OSF archive will act as backup. SCO archive will deliver data to PI:s will be the ALMA Science Archive Cost increases: • Double the OSF archive upgrade budget. • Add costs for physical media • Additional SCO server and license for higher reliability and to keep up with the load • Add cost for 1 Gbit/s link for archive users between Santiago and the US (or Europe or Japan) Staff increases: • 1 delivery administrator at SCO (LSM) • 2 database administrators (DTS) (LSM) • 1 software engineer (DTS) (LSM) • 2 Database Base Content Managers (LSM) 8

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