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Telescope and CCD detail

Written by Ermyas Aklilu on .

 

I.      Telescope

 

Name:

EO 1-metre telescope

Site:

Entoto, Addis Abeba

Altitude:

3200 m

 

Enclosure:

Classical dome

Type:

Photometric & spectroscopic telescope

Optical design:

Schmidt-Cassegrain reflector

Focus type

Nasmyth focus

Focal length

8 meter

Diameter. Primary M1:

1.0 m

Slew rate

>20 deg/sec

Pointing

≤ 10 arcsec RMS with pointing model

Tracking

< ±1.0 arcsec / 30min with pointing model

Resolution

>0.2”

Mount:

Alt-Az fork mount

First Light date:

Decommissioning date:

II.    Camera

 

Name

Model

Description

SBIG

STXL 11002

Full Frame Monochrome Camera Size: 36 mm x 24 mm

Pixel Array:      4008 x 2672 pixels @ 9u CCD Size:       36 x 24.7 mm

Total Pixels:     11 Million Pixel size:         9 x 9 microns

SBIG

STXL 6300e

Pixel Array:      3072 x 2048 pixels @ 9u CCD Size:    27.65 x 18.48 mm

Total Pixels:      6.3 Million Pixel Size:          9 x 9 microns

 

FLI

 

Pro line

Sensor Cooling: up to 70°C be below ambient CCD size:     up to 50mm x 50mm

Interline Sensor Operation: at 12 MHz (16bit) Full Frame Sensor Operation up to 14 MHz

 

Andor

 

Active pixels:    1024 x 1024

Pixel size:          13 x 13 μm

Active area pixel well depth:      80,000 e- Gain register pixel well depth: 730,000 e- Maximum readout rate: 10 MHz

Frame rate:      8.7 - 4,205 fps

Read noise:      < 1e- with EM gain Maximum cooling:      -95°C