1. Progress Report on Automatic classification of light curves Rafael Garrido Progress Report on Automatic classification of light curves Rafael Garrido

2. HISTORICAL SKETCH : -At CW7 (Granada) the SC decided to identify the people that could be interested on LC classification, a part of the N3 final product. 1.-Classificator itself 2.-How to feed it -Two teams were identified to be interested on the first activity: the Leuven team (Jonas Debosscher) and the Madrid team (Luis M. Sarro). -Both groups agreed to carry out an exercise to test their classificators.

3. HISTORICAL SKETCH (Cont.) : Rules of the exercise : 1.-The Hipparcos data base is the source to learn from 2.-I choose a subsample of the Hipparcos catalogue, which should not to be included to teach the classifier, and then used to compare the performance of the codes. 3.-A sample of the OGLE catalogue was proposed for classification by both teams. -Results were available at the CW8 (Toulouse) only from the Madrid team. -One week later I received the first results (corresponding to the Hipparcos catalogue) from the Leuven team

4. HISTORICAL SKETCH (Cont.) : -New results from the Leuven team are available now (Nov ’05: last week).

5. Results Star type Hipparcos Leuven(May’05-Nov’05) Madrid (May ’05) Star type Hipparcos Leuven(May’05-Nov’05) Madrid (May ’05) β Cephei4 2 2 3 β Cephei4 2 2 3 Cepheids 48 44 46 48 Cepheids 48 44 46 48 δ Scuti 18 5 16 17 δ Scuti 18 5 16 17 Mira 37 24 37 36 Mira 37 24 37 36 RR Lyr 33 26 30 30 RR Lyr 33 26 30 30 SPB 13 7 8 10 SPB 13 7 8 10 EB Algol 83 68 59 81 EB Algol 83 68 59 81 EB β Lyrae 58 11 27 25 EB β Lyrae 58 11 27 25 EB W UMa 19 0 11 16 EB W UMa 19 0 11 16 Ellipsoidal 6 0 0 6 Ellipsoidal 6 0 0 6

6. Comments -Problems with β Lyrae eclipsing binaries. -Ellipsoidal variables with the Leuven code ? Beta Lyrae Algol W UMa

7. Suggestions : -Organized into two (closely collaborative) groups : A) Physical definition of new (and existing ?) types of variables led by the Leuven team B) Mathematical and technical issues led by the Madrid team --New types of variables have to be included in the original Hipparcos classification: γ Dor, WD, solar-like, active stars, etc… -”Official” classification tool will be finished before launch Improve classification scheme after each long run -Everybody is invited to participate, particularly PI of the AP. (I’ll send an e-mail with details...)