Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni(1) & Magda Arnaboldi(2)

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Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)

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Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni(1) & Magda Arnaboldi(2) (1) INAF – Oss. Astronomico di Bologna (2) INAF – Oss. Astronomico di Torino

ℓ (PAGB) / L(tot) = В x Fuel N(PN) / L(tot) = B x τ Fuel / L(hot-PAGB) N(PN) / M(tot) = B x τ / (M/L) Renzini & Buzzoni (1986)

Hot-PAGB Fuel Consumption

Bolometric correction vs. Galaxy morphology (Buzzoni 2002)

PN Luminosity Function N(m) = A e0.307m[1-e3(m-m*)] (Ciardullo et al. 1989)

PN Specific Luminosity Rate (SSP)

Stanghellini & Renzini (2000) PN lifetime Stanghellini & Renzini (2000)

PN Specific Luminosity Rate in Template Galaxies SMC LMC α2.5

PNe as luminosity tracers Dorman et al. (1993)

Where to find all these data...and more www.bo.astro.it/~eps/home.html