Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis...
Transcript of Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis...
![Page 1: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/1.jpg)
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
![Page 2: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/2.jpg)
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)
![Page 3: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/3.jpg)
Hot-PAGB Fuel Consumption
![Page 4: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/4.jpg)
Bolometric correction vs. Galaxy morphology
(Buzzoni 2002)
![Page 5: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/5.jpg)
PN Luminosity Function
N(m) = A e0.307m[1-e3(m-m*)]
(Ciardullo et al. 1989)
![Page 6: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/6.jpg)
PN Specific Luminosity Rate (SSP)
![Page 7: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/7.jpg)
PN lifetime
Stanghellini & Renzini (2000)
![Page 8: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/8.jpg)
PN Specific Luminosity Ratein Template Galaxies
α2.5
SMC
M31
M32
LMC
![Page 9: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/9.jpg)
PNe as luminosity tracers
Dorman et al. (1993)
![Page 10: Planetary Nebulae as tracers of the diffuse IG stellar background: a population synthesis theoretical approach Alberto Buzzoni (1) & Magda Arnaboldi (2)](https://reader035.fdocuments.us/reader035/viewer/2022070305/5513e44e55034646298b5a31/html5/thumbnails/10.jpg)
Where to find all these data...and more
www.bo.astro.it/~eps/home.html