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4.726 cm. 4500 pixels. Read-out node. TDI gate 12 (line 2900). TDI gate 11 (line 2048). TDI gate 10 (line 1024). TDI gate 9 (line 512). TDI gate 8 (line 256). Bond pads. 6.000 cm. 1 CCD = 8,847,000 pixels = 26.541cm 2. 1966 pixels. 2 phase read-out register.

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slide1

4.726 cm

4500 pixels

Read-out node

TDI gate 12 (line 2900)

TDI gate 11 (line 2048)

TDI gate 10 (line 1024)

TDI gate 9 (line 512)

TDI gate 8 (line 256)

Bond pads

6.000 cm

1 CCD

= 8,847,000 pixels

= 26.541cm2

1966 pixels

2 phase read-out register

Charge injection structure

Summing well

Wave Front Sensor

Gaia Focal Plane

106 CCDs  938 million pixels  2800 cm2

104.26cm

42.35cm

Image motion

Wave Front Sensor

Red Photometer CCDs

Blue Photometer CCDs

Radial Velocity Spectrometer CCDs

Basic Angle Monitor

Basic Angle Monitor

Sky Mapper CCDs

Astrometric Field CCDs

+ Xfpa

Focal Plane

+ Yfpa

Gaia (MLI removed)

Payload Module (telescopes)

+ Zfpa

A.D. Short – July, 2009