on the 2.2 m Coudé Spectrograph

MAGIC can be adapted to the 2.2 m Coude Spectrograph  (in combination with f/12 camera only).
The spectral resolution is lambda / deltalambda = 34000 with the High Resolution Optic.
The VHR optic can also be used and in all probability it has a spectral resolution of about lambda / deltalambda = 50000. But this mode is not tested yet.

Observations can be done in the wavelength range of <1µm to 1.8 µm (J- and H-band).

Conntact Tom Herbst for more information.
herbst@mpia-hd.mpg.de


 

Black MAGIC mounted on the 2.2 m Coude Spectrograph.

First Results

Data taken by Eike W. Guenter, Tautenburg - many thanks to him for the following data.

Setup:
2.2m Coude' Spectrograph + Grating III + f/12 camera + 1:1 relay optic + Magic in HighRes

Parameters:
Slit width  60 µm, corresponding to 1.37 " 
Resolution  8.8 km/sec, corresponding to 34000 lambda/deltalambda 
Dispersion  0.024 nm/pixel 
Center wavelength  1.565 µm 
Delta lambda  6.1 nm 
Image scale, 
perpendicular to dispersion 		 0.42 "/pixel 

Observing Parameters
T Tau:
J = 7.3 mag; H = 6.4 mag - variable
Integration time = 3480 sec

 Lambda Andromeda:
1.97 mag @ 1.25 µm; 1.32 mag @ 2.2 µm
Integration time = 1740 sec

 Conditions: no clouds, seeing 0.8 arcsec 

Peter Bizenberger
biz@mpia-hd.mpg.de
Tel. (+49) 6221 / 528 311