Astronomical Ring for Access to Spectroscopy

Discover ARAS!...
 

BeSS data base
The database of Be stars spectra

Spectrograph conception
Parameters for design of a spectrograph
LHIRES project
Barèges, a ready-to-build spectrograph
A Barèges type spectrograph
SBIG SGS Spectrograph Review

Some astrophysics
Spectral types
Diagram HR
Be stars
S & C stars 
Wolf-Rayet stars 
Carbon Stars
Supernovae
Planetary Nebulae
Quasars

Softwares
VisualSpec
SpIRIS
SpcAudace
PRiSM
Astro-Linux

Nova Vulpeculae 2007 (New!)

LHIRES spectrograph is available from Shelyak !

 
LHIRES III project - Description

COROT Be stars survey project

 
Use LHIRES III with a digital SRL

Technical note: Processing of DSLR RAW images

Technical note: Intermediate resolution with LHIRES 

Technical notices

List of test stars for LHIRES III spectrograph
Definition of LHIRES III data products
LHIRES III - SpIris processing tutorial
Working session with the 1200 g/mm grating 
Adjustment of the "Exposure Time Calculator" parameters
Extraction of the spectral response
How to take a flat-field? 
Accomodation of LHIRES III on the 0.6 m telescope of Pic du Midi observatory
LHIRES III on a Takahashi FS128 refractor
Image quality of LHIRES III
Focusing stars methods on the entrance slit of Lhires III
OHP 2007 spectroscopic school  New!