LISA at ESA - Status and History -...

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 LISA - Status at ESA Oliver Jennrich LISA Project Scientist, ESA

Transcript of LISA at ESA - Status and History -...

Page 1: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

LISA - Status at ESA

Oliver JennrichLISA Project Scientist, ESA

Page 2: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 2

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

May 1993: Proposed as a mission to the M3 project of Horizon 2000.

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

4 spacecraft two-arm interometer heliocentric orbit Cigar-shaped spacecraft Cost: ~700 MAU, outside scope of an

M-class mission

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May 1993: Proposed as a mission to the M3 project of Horizon 2000.

Page 4: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 4

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

May 1993: Sagittarius

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

6 spacecraft, three-arm interometer Earth-orbit 1 million km baseline dust-bin shaped spacecraft Cost: ~700 MAU, outside scope of an M-class

mission

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May 1993: Sagittarius

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 6

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

Dec 1993: LISA(G) proposed as cornerstone to Horizon 2000+

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

6 spacecraft, three-arm interferometer heliocentric orbit 5 million km baseline Cost: ~700 MAU

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Dec 1993: LISA(G) proposed as cornerstone to Horizon 2000+

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 8

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

1996/1997: LISA cost reduction

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Proposed NASA collaboration 3 spacecraft, three-arm interferometer smaller telescopes, drag free part of payload heliocentric orbit, 5 million km baseline Cost: 300-400 MAU

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1996/1997: LISA cost reduction

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 10

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

1998: ELITE proposal

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

First proposed as ELITE (European LIsa TEchnology ) in 1998– Differential acceleration goal of 10-14ms-2/√Hz

over 1 – 100mHz– Single payload

– Two inertial sensors, homodyne Michelson interferometer readout

– Geostationary orbit– Target launch date of 2002

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1998: ELITE proposal

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Architecture essentially confirmed– 3 S/C– 5 million km arm length– heliocentric orbit, trailing Earth by 20 degree

Mass ~1400 kg Mission duration: 2 years, with consumables

for 10 years

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1999-2000: First industrial study LISA

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Two free-flying satellites with laser and microwave link– Goal to demonstrate drag-free for LISA and formation

flying for Darwin– Three payloads

– LISA Technology Package

– US LISA Technology Package– Darwin Technology Package

– Approved by SPC in November 2000– Launch window in 2006

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Nov 2000: SMART2 study

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C!8CA&A'0".,3"&0'E&QRSRQTUUTD+T?!

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Page 14: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Single spacecraft with two payloads– European provided LTP– NASA provided DRS

Both payloads comprised:– Two inertial sensors– Laser metrology– Micro-Newton Thrusters– Laser metrology– DFACS– Lissajous orbit around L1

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July 2004: LPF implementation

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Page 15: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Joint activity with NASA Industrial contract with EADS Astrium

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July 2005: LISA Formulation starts

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Page 16: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Joint activity with NASA Industrial contract with EADS Astrium Output:

– Baseline architecture– Requirements and specifications

– Payload and system level– Identification of technology development– Mass ~ 5500 kg

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August 2008: original end of formulation

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 17

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

June 2008: updated technology plan

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Title Duration (months)

Optical Assembly (OA) Articulation Mechanism 18

Adjustable Frequency Reference for Laser Stabilisation 24

Opto-mechanical stability characterisation for LISA 24

Metrology system for LISA 18High-power laser system for LISA 24

LISA micropropulsion lifetime characterisation 36

GRS Front End Electronics characterisation for LISA 24

Charge Management System for LISA 24

Outgassing and Contamination characterisation for LISA 24

Compact low noise magnetic gradiometer

Page 18: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Joint activity with NASA Industrial contract with EADS Astrium Baseline architecture Requirements and specifications

– Payload and system level

Identification of technology development Mass ~ 5500 kg Formulation extended to end 2009

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End 2009: extended formulation

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Page 19: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Cosmic Vision– Long term science programme– M missions ~300 M€– L missions 650 M€, first launch (L1) ~2018

Three missions identified for downselection in 2009 as L1 candidate

LISA is L1 candidate

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End 2009: Cosmic Vision Downselect I

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Page 20: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Cosmic Vision– Long term science programme– M missions ~300 M€– L missions 650 M€, first launch (L1) ~2018

Three missions identified for downselection in 2009 as L1 candidate

LISA is L1 candidate Selection for L1 in 2011

20

93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

2011: Cosmic Vision Downselect II

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Page 21: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

Cosmic Vision– Long term science programme– M missions ~300 M€– L missions 650 M€, first launch (L1) ~2018

Three missions identified for downselection in 2009 as L1 candidate

LISA is L1 candidate Selection for L1 in 2011 LPF launch end 2010

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93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18

2011: Cosmic Vision Downselect II

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End 2010: LPF launch!

Page 22: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

If selected for L1– Move into implementation in 2012

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2012: Implementation phase

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Page 23: LISA at ESA - Status and History - NAOtamago.mtk.nao.ac.jp/decigo/LISA-DECIGO/viewgraph08/Jennrich.pdf–US LISA Technology Package –Darwin Technology Package

LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008

If selected for L1– Move into implementation in 2012– Launch in 2018– By 2020, we will look at...

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2018: LISA launch

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LISA 1st LISA-DECIGO Workshop, Sagamihara, 12/13 November 2008 24

The Gravitational Wave Sky