0.5 m Telescope

 

ตัวโดมกล้องโทรทรรศน์ 0.5 เมตร

0.5 m telescope?s (sliding roof) dome on the deck of TNO control building

 

Telescope

Model: PlaneWave CDK24

Aperture

50 cm (0.5 m)

Focal Length

3962 mm   (155.98 inch)

Focal Ratio

f/6.5

Central Obstruction

47% of the Primary Mirror Diameter (11.38")

Back Focus from Mounting Surface

14.1 inch   (358 mm)

Optimal Field of View

70 mm (58 arcminute)

 

Inside the dome, PlaneWave CDK24 mounted on Paramount ME

 

Mount

Model: Paramount (ME)

All Sky Pointing Accuracy

 1/3 arcsecond  

Backlash

The spring-loaded worm-to-gear interface has virtually zero backlash in both the right ascension and declination axis.

 

Tracking Performance and Periodic Error

The peak-to-peak periodic error for the right ascension gear is seven (7) arcseconds or less

 

CCD

Model: Apogee Altra U9000 with L, R, G, Bfilter

 

Array Size (pixels)

3056 x 3056

Pixel Size

12 x 12 microns

Imaging Area

36.7 x 36.7mm (1345mm2)

Imaging Diagonal

51.9mm

Linear Full Well (typical)

110K electrons

Dynamic Range

84dB

QE at 400nm

37%

Peak QE (550nm)

64%

Anti-blooming

>100X

 

 

  

   

Apogee U9000 with filter wheel mounted to telescope