HR spectra of symbiotic stars

[Christian Buil]

Taken last night with VHIRES-MO spectrograph (R=48000) linked to a C11 telescope (by 50 microns fiber) :

TX CVn (one hour exposure, some cloud and... a faint objet for the resolution (V=9.5):



CQ Dra (no clear emission):



and the famous AG Dra:



Christian Buil

[Francois Teyssier]

Par coïncidence j'ai un spectre de CQ Dra la nuit passée à R =11000

cqdra_20170410_comp.png (48.03 KiB) Viewed 6164 times

La différence de résolution est significactive
Ca permet de voir aussi à quel point la notion de "continuum" est relative.


François

[Christian Buil]

Très chouette comparaison François !

Christian

[Paolo Berardi]

A coincidence again! With so many objects in the sky, on April 9 I observed the same stars with Lhires III 2400 (R ~16000).

CQ Dra (3 x 480 s):



TX CVn (10 x 960 s):



Clear sky,
Paolo

[Christian Buil]

T CrB at R=48000 (14/04/2017) :







Another TX CVn spectrum (16 x 600 sec exposure) :



Christian Buil

[Christian Buil]

Improved version of TX CVn (V=9.5) by adding 10.8/04 and 13.8/04 observation and by applied a special wavelet filtering processing on the data (only valid because my VHIRES-MO spectra are oversampled) (telluric lines are also removed):



Comparison with Paolo spectrum:



Christian Buil