ASI Review Padova Scientific Activities 1

WP6200 : Padova Scientific Activities

StaffAlberto Franceschini (AF) [Full Professor]

Giulia Rodighiero (GR) & Mattia Vaccari (MV) [Research Fellows]Gabriele Mainetti (GM) & Lucia Marchetti (LM) [PhD Students]

Elena Ricciardelli (ER) & Svetlana Starikova (SS) [PhD Students]

WP 6200.1 - Partecipazione alla Definizione dei KP in GTWP 6200.2 – Partecipazione alla Preparazione dei KP in GT

WP 6200.3 – Sviluppo di algoritmi di riduzione dati e di modelli teoriciWP 6200.4 – Riduzione dati e analisi risultati

ASI Review Padova Scientific Activities 2

Long-Wavelength Cosmological Surveysin the Era of the Great Observatories

Padova has been involved into long-wavelength studies of extragalactic populations since the 1980s and has consistently

contributed to large-area survey projects carried out with IRAS, ISO, Spitzer and now Herschel

SWIRE ~ 50 ☐2

SWIRE Fields

observed by Spitzer & to be

observed by Herschel GT KPs

(PER & HERMES)

interplay of deep and shallow

observations in “nested” surveys

ASI Review Padova Scientific Activities 3

The Cosmic Star Formation History at 0 < z < 2.5

Deep 24 micron samples broken down into Luminosity BinsThe deepest Spitzer/MIPS

observations at 24 micron in the GOODS and other fields have

been combined to produce MIR & Luminosity Functions at 0 < z < 2.5 allowing an estimate of the contributions to the Bolometric

Luminosity Functions by sources of different luminosities

The space density of 24 micron selected galaxies as a function of

redshift in different luminosity classes. The colored labels by

each curve indicate the corresponding IR luminosity in

logarithmic solar units.

Rodighiero+ (in prep)GOODS & VVDS/SWIRE Fields

ASI Review Padova Scientific Activities 4

The SWIRE-SDSS Database and the FIR LLFsExtragalactic FIR Astronomy over ~10 deg2 SWIRE/HERMES

Areas

SDSS provides an optical spectro-photometric dataset well matched to SWIRE/MIPS depths, allowing to probe the properties of flux-limited samples of local (z<~0.5) FIR

galaxies in a complete and reliable manner. The use of Virtual Observatory tools which have recently been made available to the community greatly simplified the

assembly and cross-correlation of the otherwise sparsely available multi-wavelength datasets. The resulting SWIRE-SDSS database not only allows to reliably estimate the

Local Luminosity Functions at 24/70/160 micron but also provides an invaluable resource for science exploitation of HERMES data.

70 micron LLF

Vaccari+ 09 arXiv:0902.0248

24 micron Redshift Distribution

ASI Review Padova Scientific Activities 5

GECO : Galaxy Evolution CodeSemi-Analytical Models of Galaxy Formation & Evolution

SFR Density vs Redshift

Ricciardelli & Franceschini (sub)

Split by Halo Mass

ASI Review Padova Scientific Activities 6

Ancillary Observations of HERMES FieldsSpitzer Warm and Spectroscopic Observing Proposals

AF & MV were Co-Is of the 1400-hr Spitzer Warm approved proposal for IRAC 3.6 and 4.5 micron observations of ~20 deg2 within SWIRE/HERMES

fields 3 extra nights (adding to 6) were approved to expand spectroscopic

coverage of MIPS 70 & 160 micron sources within LH/EN1/EN2 SWIRE/HERMES fields Spitzer Warm

observations will allow much improved stellar mass estimates up to

z~6 over SWIRE/HERMES-like areas, providing an ideal counterpart to

the VISTA JHK & Herschel FIR/SMM

Surveys

Nov 08 Run

May 09 Run

Incremental Observing Runs2007/08/09/…

ASI Review Padova Scientific Activities 7

Preparing for PEP (PACS GT) & HERMES (SPIRE GT) KPs

We have been extensively and variously involved in finalizing the details of the

observations for the PEP and HERMES KP GTs, with a special emphasis on those

planned for SD

In particular we’ve contributed to• Modeling Extragalactic Populations (AF &

MV)• Simulating Catalogs & Images (GR & MV)• Studying HERMES Field Visibility during SD

Phase and Finalizing AORs accordingly (MV)

• Developing & Testing Frequentist & Bayesian Multi-Wavelength XID S/W (MV)

• Assembling VO-compliant Multi-Wavelength Ancillary Databases (GM & LM

& GR & MV)

• “Discussion” about SD Phase Papers

Simulated Extragalactic Skies at PACS wavelengths

enabling extensive PACS pipeline testing

HERMES Fields : Visibility vs Observability

ASI Review Padova Scientific Activities 8

AOB

ASI Review Padova Scientific Activities 9