Progress Report onProgress Report on

Automatic classification of light Automatic classification of light

curvescurves Rafael GarridoRafael Garrido

HISTORICAL SKETCHHISTORICAL SKETCH::

-At CW7 (Granada) the SC decided to identify the people that could -At CW7 (Granada) the SC decided to identify the people that could

be interested on LC classification, a part of the N3 final product.be interested on LC classification, a part of the N3 final product.

1.-Classificator itself1.-Classificator itself

2.-How to feed it2.-How to feed it

-Two teams were identified to be interested on the first activity: -Two teams were identified to be interested on the first activity:

the Leuven team (Jonas Debosscher) and the Madrid team (Luis M. the Leuven team (Jonas Debosscher) and the Madrid team (Luis M.

Sarro). Sarro).

-Both groups agreed to carry out an exercise to test their -Both groups agreed to carry out an exercise to test their

classificators.classificators.

HISTORICAL SKETCH (Cont.)HISTORICAL SKETCH (Cont.)::

Rules of the exercise :Rules of the exercise :

1.-The Hipparcos data base is the source to learn from1.-The Hipparcos data base is the source to learn from

2.-I choose a subsample of the Hipparcos catalogue, which 2.-I choose a subsample of the Hipparcos catalogue, which

should not to be included to teach the classifier, and then should not to be included to teach the classifier, and then

used to compare the performance of the codes.used to compare the performance of the codes.

3.-A sample of the OGLE catalogue was proposed for 3.-A sample of the OGLE catalogue was proposed for

classification by both teams. classification by both teams.

-Results were available at the CW8 (Toulouse) only from the -Results were available at the CW8 (Toulouse) only from the

Madrid team.Madrid team.

-One week later I received the first results (corresponding to -One week later I received the first results (corresponding to

the Hipparcos catalogue) from the Leuven teamthe Hipparcos catalogue) from the Leuven team

HISTORICAL SKETCH (Cont.)HISTORICAL SKETCH (Cont.)::

-New results from the Leuven team are available -New results from the Leuven team are available

now now

(Nov ’05: last week).(Nov ’05: last week).

ResultsResults

Star type Hipparcos Leuven(May’05-Nov’05) Madrid Star type Hipparcos Leuven(May’05-Nov’05) Madrid

(May ’05)(May ’05)

ββ CepheiCephei 4 2 2 34 2 2 3

Cepheids 48 44 46 Cepheids 48 44 46 48 48

δδ Scuti 18 5 16 Scuti 18 5 16 17 17

Mira 37 24 37 Mira 37 24 37 36 36

RR Lyr 33 26 30 RR Lyr 33 26 30 30 30

SPB 13 7 8 SPB 13 7 8 10 10

EB Algol 83 68 59 EB Algol 83 68 59 81 81

EB EB ββ Lyrae 58 11 27 Lyrae 58 11 27 25 25

EB W UMa 19 0 11 EB W UMa 19 0 11 16 16

Ellipsoidal 6 0 0 Ellipsoidal 6 0 0 6 6

CommentsComments

-Problems with -Problems with ββ Lyrae eclipsing binaries.Lyrae eclipsing binaries.

-Ellipsoidal variables with the Leuven code ? -Ellipsoidal variables with the Leuven code ?

Beta Lyrae

Algol

W UMa

Suggestions :Suggestions :

-Organized into two (closely collaborative) groups :-Organized into two (closely collaborative) groups :

A) Physical definition of new (and existing ?) types of A) Physical definition of new (and existing ?) types of

variablesvariables

led by the Leuven team led by the Leuven team

B) Mathematical and technical issues led by the Madrid team B) Mathematical and technical issues led by the Madrid team

--New types of variables have to be included in the original --New types of variables have to be included in the original

Hipparcos classification: Hipparcos classification: γγ Dor Dor, WD, solar-like, active stars, , WD, solar-like, active stars,

etc…etc…

-”Official” classification tool will be finished before launch -”Official” classification tool will be finished before launch

Improve classification scheme after each long run Improve classification scheme after each long run

-Everybody is invited to participate, particularly PI of the AP.-Everybody is invited to participate, particularly PI of the AP.

(I’ll send an e-mail with details ...) (I’ll send an e-mail with details ...)