nwo team membership: organizations, roles, and leads

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NWO Team Membership: Organizations, Roles, and Leads. Team consist of 43 active members 9 organizations are participating Additional involvement is provided from each organization and includes technical area experts and graduate/undergraduate students Organizations, Roles and Leads: - PowerPoint PPT Presentation

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Page 1: NWO Team Membership:  Organizations, Roles, and Leads

Export Control NoticeExport or re-export of information contained herein may be subject to restrictions and requirements of U.S. export laws and regulations and may require advance authorization from the U.S. Government.

Page 2: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20082

NWO Team Membership: Organizations, Roles, and Leads

• Team consist of 43 active members– 9 organizations are participating

• Additional involvement is provided from each organization and includes technical area experts and graduate/undergraduate students

• Organizations, Roles and Leads:– Colorado University: PI, Science, Optical Design, and Systems Analysis: Webster

Cash– Northrop Grumman: Deputy PI and Starshade Development: Amy Lo– Ball Aerospace Technology Corporation: Telescope Development: Charley Noecker– USNO: Astrometry: Rachel Dudik– NASA GRC: Occulter (Starshade) Propulsion: Scott Benson– KinetX: Mission Design and Navigation: Bobby Williams– GSI: Lead Scientist: Maggie Turnbull– University College of London: Exoplanet Spectra Modeling: Giovanna Tinetti– NASA GSFC: Study Management: Kate Hartman

Page 3: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20083

The New Worlds Observer• The telescope is shaded from the star by the starshade

– Beside a vanishingly small residual signal, starlight never enters the telescope

Starshade

100% of the planet light still reaches the telescope

Page 4: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20084

A Starshade Can Work with Any Telescope

10m

2.4m

4m

1.2m

Page 5: NWO Team Membership:  Organizations, Roles, and Leads

Export Control NoticeExport or re-export of information contained herein may be subject to restrictions and requirements of U.S. export laws and regulations and may require advance authorization from the U.S. Government.

Measure Planetary System Characteristics

Zodiacal Light Indicates Orbital InclinationSo Do Multi-planet Position Statistics

Page 6: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20086

Planet Finding with StarshadesFive Random Systems from Raymond Database

The higher resolution of ATLAST brings weak signals out of the noise

ATLAST

JWST

Page 7: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20087

Spectroscopy of Earths

JWST ATLAST

ATLAST @ High ResolutionFine Structure!

Page 8: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20088

• Exozodiacal Light and Debris• Will Give Clues on Whole System• May Interfere with Planet

Detection

• NOTHING is yet knownabout Exozodis– Solar System zodi has red

scattered light color– Known debris disks show red, grey,

& blue colors

Greaves et al. (2005)

Epsilon Eridani

Measure Planetary System Characteristics

AU MicBlue

HD 92945Neutral

Beta PicRed

Page 9: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 20089

Perform General Astronomy

• During 70% of Observing Time the Starshade will Be Travelling to the next Target.

• Unify Exoplanet and UVOIR Communities• Very Broad Range of

Astronomy Served

KBO UB313

Page 10: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200810

Modeling and Lab Studies

• Opaque Starshade

TheHypergaussian function

Apodization Function

expnr aT

b

• Apodizing Function

Radius

Tran

smiss

ion

Parameter

Occulter inner radius a

Petal 1/e length b

Hypergaussian order n

Distance to telescope z

Number of petals P

Page 11: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200811

Modeling and Lab Studies

• The starshade has broadband suppression performance

• Starshade designed for longest wavelength suppression, and then works BETTER at all shorter wavelengths

• Several simulation codes exist

• Code cross checked and in process of being validated by laboratory results

Linear Log

Page 12: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200812

NGS Starshade with HID source, 1000s integration

Total suppression within 200 pixel radius = 8.8e-006

wire

wire

wire

Wire3.9e-7

wire

Wire4.3e-7

(Chamber door open)

Chamber door closed

Page 13: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200813

5.05e-010

6/19/09 Image27- 600sec

Page 14: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200814

NWO Mission Overview

Page 15: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200815

Starshade Design and FabricationEnabling Technologies

Precision Shape Control •Maintain edge position•Maintain structure shape

Precision Deployment •Minimize jitter•Maintain petal location

Opaque Membrane•Maintain opacity•Lightweight

2 Axes Formation Flying•Maintain 1m alignment•Minimize jitter

Enhancing Technologies

Solar Electric Propulsion•NEXT engine•Increase observable targets•Reduce propellant mass

Lightweight S/C Structures•Increase observable targets•Reduce overall mass

Thin Edge Treatment•Maintain edge stability•Minimize stray light

Page 16: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200816

Starshade Alignment Systems

See Telescope fromStarshade

See StarshadeFrom Telescope

Page 17: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200817

JMAPS TIMELINE

Objectives and Description:• Fully Funded mission ready for December

2011 launch• Dedicated, high-accuracy astrometric

instrument– Single measurement precisions (narrow

field) of 5 milli-arcseconds from 0-16 mag.– 1 milli-arcsecond global accuracy over 3

year mission life

JMAPS Mission Goals:• Update star catalogs, viable for decades• Demonstrate 10mas attitude determination

on-orbit• Mature critical optical and FPA technology

NWO Formation Flying Solution:• State of the art optics and detector technology

permits high accuracy astrometry—critical for NWO formation flying

• Updated stellar catalog in time for NWO

Instrument Parameters: • 7.5”, f/20 ultra-low-distortion

optical/NIR astrograph telescope

• SiC optics, metering structure• Advanced, large format CMOS

Hybrid FPA• Gratings for color sensing• Mass ~ 40kg• Power ~ 85W

United States Naval ObservatoryJoint Milli-Arcsecond Pathfinder Survey

Page 18: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200818

GRC: NEXT Ion Propulsion System

• Starshade Spacecraft requirements strongly favor use of electric propulsion to maximize science

• NEXT ion propulsion system provides greatest number of targets with the simplest system configuration compared to other EP options

• Thruster performance and lifetime capabilities provide significant flexibility in implementing primary and extended mission operations

• Critical elements of a NEXT system are planned to achieve TRL6 under the NASA SMD In-Space Propulsion Technology Project

• NEXT can be implemented on NWO with low risk through planned transition-to-flight development

Page 19: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200819

The Top Technology Tall Poles for NWO

NWO TALL Poles• Starshade optical performance simulation and

validation• Starshade deployment and shape maintenance • Trajectory and Alignment Control (TAC) system

– Both sensors and control algorithms

• 4m telescope design and high sensitivity detectors

Page 20: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200820

NWO Technology Development Roadmap

Page 21: NWO Team Membership:  Organizations, Roles, and Leads

NWO Science Telescope

25 Aug 200821

NWO Study http://newworlds.colorado.edu

This is what a multi-billion dollar flagship should be.

Engage the public like Voyager and Hubble

Unify the astronomy community

Other, lower cost missions, should support this goal without slowing it down.

ANSWER THESE QUESTIONS:

ARE THERE HABITABLE PLANETS IN THE UNIVERSE?IS THERE LIFE IN THE UNIVERSE?