Alberto Buzzoni (1) & Magda Arnaboldi (2) (1) INAF – Oss. Astronomico di Bologna
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Transcript of Alberto Buzzoni (1) & Magda Arnaboldi (2) (1) INAF – Oss. Astronomico di Bologna
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)
PN lifetime
Stanghellini & Renzini (2000)
PN Specific Luminosity Ratein Template Galaxies
α2.5
SMC
M31
M32
LMC
PNe as luminosity tracers
Dorman et al. (1993)
Where to find all these data...and more
www.bo.astro.it/~eps/home.html