Main Lectures

All School presentations can be downloaded from the following links.

Speaker Title Format
Brian P. Schmidt Principles in Data Reduction PPT
Stefano Benetti Data Reduction for Optical Imaging and Spectroscopy PPT
Chris L. Gerardy Observing Supernovae in the IR PPT,PDF,MAC
Pierre Antilogus Integral Field Spectroscopy PDF
Ferdi[nando] Patat Polarimetry and Spectropolarimetry of Supernovae PPT


Stefano Benetti illustrates the problems one can have with instrumental reflections.

Contributed Lectures

Speaker Title Format
Nancy Elias de la Rosa The Reddening Correction PPT
Maximilian Stritzinger The S-Correction PDF
Stefano Valenti The Template Subtraction Technique PPT


A Portrait done by Andrea Pastorello during one of the lectures. Stefano Benetti, Chris Gerardy, Avet Harutyunyan and Massimo Turatto can be easily recognized

Test Data Downloads

Observing Sessions

Due to a problem in AFOSC cryostat we could not use it at the 1.82m telescope and therefore we lost the two nights which were scheduled for the School. Fortunately and thanks to the great help of Francesco Di Mille, we could however observe a few objects at the 1.22m equipped with the Boller & Chivens Spectrograph. In particular, during the first night, we managed to classify one new candidate, SN 2005ab in NGC 4617, which was announced in IAU Circ. n. 8478:

S. Nakano, Sumoto, Japan, reports the discovery by Koichi Itagaki (Teppo-cho, Yamagata, Japan) of an apparent supernova (red mag 16.7) on numerous unfiltered CCD frames taken around Feb. 5.638 UT with a 0.30-m f/7.8 reflector. The new object is located at R.A. = 12h41m05s.18, Decl. = +50o22'56".2 (equinox 2000.0), which is 7" west and 40" south of the center of NGC 4617. Nothing was visible at this location on CCD frames taken by Itagaki back to 2001 (limiting mag 19.5) or on the Digitized Sky Survey. Nakano adds that K. Kadota (Ageo, Saitama-ken, Japan) has confirmed the presence of a new star (mag 16.8) at position end figures 05s.19, 55".8 on a CCD frame taken with a 0.25-m reflector on Feb. 5.771.

We have taken three exposures of 20 minutes each and, thanks to the IRAF reduction done by Andrea Pastorello, we could classify the SN as a type II after maximum. The report, which was sent immediately to Dan Green on behalf of the RTN School, was then published in IAU Circ. n. 8480:
Stefano Benetti and Stefano Valenti inspecting the spectrum of SN 2005ab.

During the remaining time we have observed SN2005W (one of the current RTN targets) and 2204dj, a type II which is being followed by the Padua Supernova Group. Also, we observed one smooth standard from the list discussed by Brian. Unfortunately, the best standard in the sky, i.e. EG131 was not visible... Part of the data was used during the public reduction session held on Thursday afternoon.

Francesco observing at the 1.22m telescope, assisted by Milena, Nancy and Giuseppe.

Reduction Sessions

Some of the participants could profit of the nights at the telescope to practice with the data reduction (yes, Abouazza, well done!!), using IRAF on the spectra just obtained. Known also as the reduction-man, Andrea did a great job.
Some of the SN2005W data were then used during the public IRAF reduction session chaired by Brian and mastered by Claire Juramy. This was quite an experience, where we have seen many interesting and entertaining things.
Claire was led by Brian, with the help of the whole audience, through all the reduction steps, from object extraction to flux calibration.



Claire working with IRAF under the supervision of Brian.

Here you can listen to the final step of the reduction, when Claire performed the final flux calibration and splotted the resulting spectrum (mp3 audio file).


Claire identifying Arc lines with the help of Brian, Sebastien and Gabriele. Not clear what Max was doing.

Wait a bit for the Video to upload (Macromedia Flash Player required). To replay/stop/rewind the movie, use the mouse right button while on the image.

School Certificate

To get an example of the School Attendance Certificate, just click
here. The certificate has been signed by all lecturers.

School Questionnaire

At the end of lectures, an anonymous questionnaire was distributed in order to assess the opinion of participants. A g-zipped postscript version
can be downloaded here. The results can be found here.

Questionnaire Results

The statistical results obtained from the questionnaires can be found
here. The page includes several plots and very short comments.

Picture Galleries

Here you can find a selction of the pictures taken by some of the participants. Feel free to download them.

Nancy Matthias1 Matthias2 Serena Faces

The two official School Photos (courtesy of Matthias Stehle) can be downloaded directly here:

Bonus Material

Here you can find some AVI movies which were taken during the public data reduction session using a webcam.

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Sponsored by The Physics of Type Ia Supernovae - a European Research and Training Network


fpatat@eso.org - Last Modified: Tue Feb 15 11:51:50 CET 2005

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