BACHES: Standard Calibration-Set

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BACHES: Standard Calibration-Set

# 2458615

€ 1,650.00 Price excl. German VAT tax (19%): € 1,386.55

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BACHES Standard Calibration-Set for wavelength calibration
Consists of: Thorium-Argon-Lamp in shock-proof housing with power cable, Spezial-Netzteil CPS (Calibration Power Supply) für HK-Lampen, special power supply CPS (Calibration Power Supply) for HK lamps, coupling lens incl. Holder and mounting adapter with screws for lamp mounting on the BACHES.

Product Questions

When I order the BACHES standard calibration set (Thorium-Argon lamp) instead of the Remote Calibration Unit RCU, can I use my existing LED flatfield screen at the front of the telescope for flatfielding BACHES echelle spectra?

Question by: Jamie K. on Oct 24, 2016 3:33:00 PM | 1 Answer(s)

The RCU is a versatile calibration unit. In general: A flat unit is necessary to recognize the spectral orders for calibration, and to correct for pixel-to-pixel variations within the spectrum.

If you use a flatfield unit in front of your telescope instead of the RCU, that unit should not have a green-blue emission gap. Why? For calibration of the ThAr spectrum, the calibration script of MIDAS scans the flatfield spectrum to recognize as much spectral orders as possible. Order detection could fail with a non-uniform flatfield illumination. That depeds on your given unit.

Also important is the brightness of the flat unit in front of the telescope. It must be very bright to provide the same intensity level at the slit as the RCU which directly illuminates the slit of BACHES.

Also, please consider remote control of the calibration unit. This can only be accomplished by the RCU which contains a LAN female connector for connection to your local network. A fixed IP address can be assigned. You are able to control the RCU with any web browser, the web interface is implemented in the RCU. The standard calibration set with ThAr lamp only can not be controlled remotely!

We recommend the RCU to you, because we are sure that you will like the additional features as compared to the standard unit.

Answer by: Baader Web Team (Admin) on Oct 24, 2016 3:34:00 PM

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Specifications

Additional Information

Manufacturer	Baader Planetarium
SKU (#)	2458615

Downloads

Downloads

Testberichte

Abenteuer Astronomie - Interview zu Mark III Coma Corrector, UFC-Filter Changer, BBHS Spiegel, Baches

(Size: 253.9 KB) Downloads: 100

Instruction manuals

BACHES Tutorial (76 pages) ENGLISH VERSION COMING SOON

(Size: 10 MB) Downloads: 49

Callibration of BACHES Echelle-Spectra with ESO-MIDAS Software (75 pages)

(Size: 6.8 MB) Downloads: 10

BACHES Presentation from ATT show 2016 (58 pages)

(Size: 9.4 MB) Downloads: 8

Other

Exercise files of a BACHES solar spectrum obtained with a ST-8300M CCD camera

(Size: 6.6 MB) Downloads: 8

for calibration with ESO-MIDAS. The ZIP file includes:

sun240s.fit: Solar spectrum image, 240s exposed
thar60s.fit: Thorium-Argon reference spectrum image of the RCU ThAr lamp, 60s exposed
ff150s.fit: Flatfield spectrum image of the RCU Halogen lamp with 25 Orders from 392nm to 710nm, 150s exposed
sun240s_npwrm.fit: BACHES solar spectral profile, calibrated with MIDAS

Exercise files of a BACHES solar spectrum obtained with a ST-8300M CCD camera

(Size: 13.6 MB) Downloads: 4

for calibration with ESO-MIDAS. The ZIP file includes:

sun360s.fit: solar spectrum image, 360s exposed
thar80sav.fit: Thorium-Argon refence spectrum image of the RCU ThAr lamp, average of ten 60s exposures
ff20sav.fit: Flatfield spectrum image of the RCU Halogen lamp with 27 Orders from 392nm to 760nm, average of fifty 20s exposures
sun360s_npwrm.fit: BACHES solar spectral profile, calibrated with MIDAS

Product Information

Baader DADOS, BACHES Spectrographs & Accessories

(Size: 323.6 KB) Downloads: 1

List Pirces September 2018

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BACHES: Standard Calibration-Set

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# 2458615

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