ASI Science Data Center DC2 Catalog Results Carlotta Pittori

1. ASI Science Data Center DC2 Catalog Results Carlotta Pittori • GLAST DC2: 55 days worth of realistic simulated data • DC2 analysis group @ ASDC: • Paolo Giommi (ASDC director) • Elisabetta Cavazzuti, Sara Cutini, Dario Gasparrini, Carlotta Pittori

2. To-Do: from the Blazars and other AGN Confluence page: • Blazar catalog, sample definition • Once the list of GLAST sources is available, three steps are foreseen: • a) A source subset will readily be associated with known sources (e.g. blazars from existing catalogs); • b) Some new GLAST sources will be identified via cross-correlation with radio, X-ray... catalogs. • The candidate optical counterparts will be observed. The spectroscopy will confirm their identity as a blazar, and lead to the redshift and luminosity determination. • c) Some information about the blazar contents of the remaining subset can be obtained by statistical studies.

3. Work done and work in progress @ ASDC • GLAST DC2 source catalog integrated in the ASDC database system • Cross correlations of all DC2 sources with the ASDC blazars catalogue and with 3EG sources • Cross correlations with other local and web-accessed radio, infrared, optical and X-ray data, including Pulsars, SNR, X-ray Binaries and Galaxy Clusters catalogues • DC2 source identification • Blazar spectral studies • Interactive DC2 source catalog web page created @ ASDC: • http://www.asdc.asi.it/glast/dc2cat/

4. (see our suggestion to David) (latest addition)

5. Some ASDC cross correlation details: • cross all with egret cat with rad=60’ • cross all with blazar cats in the ASDC database with rad=15’ • cross with WMAP cat with rad=60’ only for not yet identified sources • 1st cross with radio NVSS rad =5’ , flux >100 mJy • cross with pulsar cat with rad=15’ • cross with snr ASCA cat rad=30’, f >30mJy • 2nd cross with radio NVSS and SUMS rad =30’ , flux >30 mJy (stronger source selected in case of multiple choice) • others (xrb cat, clusters cat, ...) • In the SEDs we interactively included: • optical data from sloan and gsc2 with rad=0,25’ • infrared data from 2mass with rad=0,25’

6. ASDC results: • (55 days) DC2 catalog v1 • Total of 380 sources • 71 with |b|<10º, 309 with |b| >10° • Cross-correlation results: • (205/380 with EGRET counterpart) • • 118 AGN: • 34 BL Lacs(20 with 3EG cntrp) • (notincluding BL Lac) • 84 FSRQs(63 with 3EG cntrp) • • 32 Pulsars/SNR • 11 radio Pulsars • 21 SNR(some spurious?) • 4 radio galaxies(including CenA) • 3 “GRB”?(including 1 solar flare?) • • 220 unidentified(96 with 3EG cntrp) • 3 others (2 starburst gal.+1 QSO steep) 3EG catalog (4 years) • Total of 271 sources • 80 with |b|<10º, 181 with |b| >10° • 93 AGN: • 66 high-conf. Blazars • 27 candidate AGN • • 5 Pulsars • 1 radio galaxy (CenA) • 1 solar flare • • 170 unidentified

7. Blazar Group F-to-F Meeting, March 04 “Preliminary list of monitored sources”: Sub-sample of 18 selected sources mentioned in the Year 1 data release plan

8. For this sub-sample of 18 selected sources, we quickly provided access to a set of Standard Products: Image, Count Map, XSPEC generated spectrum and unfolded spectrum, as well as LC (by B. Lott) and Likelihood spectral fits (by L. Reyes). We also provided the source SED, with and without DC2 simulated data. CLIK

9. Interactive page which allows to: • perform your own web searches around DC2 sources • get interactive MW data access CLIK

10. Two examples of FSRQ SEDs including DC2 simulated data (see Cutini/Gasparrini talk): MRF0294 MRF0224 (purple stars=DC2 data) PKS 0208-51 1JY1406-076

11. Same work done for the 18-blazars sample has been extended to the entire subsample of FSRQ (~ 60 sources) and BLLacs (~ 20 sources) with an EGRET counterpart: • Image • Count Map • Fitted spectra with bkgr subtraction (galactic and extragalactic) • SED with and without DC2 Data XSPEC folded model spectrum

12. STAT FSRQ (84 sources) BL Lacs (34 sources) CLIK Spectral index Redshift (8 BL Lacs with redshift unknown)

13. On the left: distribution of the distances from the counterpart for all DC2 sources identified as AGNs within 1 degree. On the right: distribution of the distances between DC2 source positions and brightest radio-sources (>30 mJy) within 30 arcmin.

14. Latest addition: integration of the Perugia Wavelet DC2 catalog (G. Tosti talk) at ASDC http://www.asdc.asi.it/glast/gino_dc2 -80°< dec <+80° 650 sources, 303 in common with DC2 catalog v1 Cross-correlation results: • 39 BL Lacs (34 in DC2 catalog v1) including BL Lac itself! • 90 FSRQs (84 in DC2 catalog v1) • 56 Pulsars/SNR (32 in DC2 catalog v1) • 457 unidentified (220 in DC2 catalog v1) Some sources in the Galactic plane may be spurious?

15. Link to the Perugia DC2 Wavelet catalog integrated at ASDC:

16. VERYPRELIMINARY: LogN-LogS DC2 MRF Source Cat v1 Wavelet PG Cat 3/2 euclidean slope 3/2 euclidean slope (154 PGWsources bii>30°) (135 MRF sources bii>30°)

17. Work in progress at ASDC: • Residual (particle) background subtraction at low (<100 MeV) and high (>10 GeV) energies (empirical cube by Riccardo Rando?) • Estimate of gamma-ray flux from microwave (94Ghz) data for FSRQ • XRB and low latitude gamma-ray sources studies (in collab. with P. Santolamazza, F. Verrecchia). Two candidate HMXRBs under study among DC2 sources: • MRF0057 possibly LS 5039 at d=60’, but most probably cross correlated with a radio pulsar at d=5’ (ASDC cat preliminary choice) • MRF0044 probably LSI +61303 at d=15’. But there is also a strong (~ 923 mJy) unidentified NVSS radio source at d=16’ (ASDC cat preliminary choice) • Galaxy Clusters search in Abell cat (in collab. with S. Colafrancesco) • GRBs studies (in collab. with A. Antonelli)

18. Thanks!

19. CONCLUSION: DC2 ASDC catalog Complete yes, but how accurate? We are eager to know.... In our preliminary analysis we made multi-wavelength cross correlations based almost on simple spatial criteria. We plan to improve source identifications with algorithms based on Bayesian statistical methods. ... in the meantime we are waiting for “The Truth Unveiled”!!