Cepheids as Swiss army knives for Milky Way archaeology

Urheber:
Lemasle, B.¹, Autor
Kovtyukh, V.¹, Autor
da Silva, R.¹, Autor
Mor, R.¹, Autor
Bono, G.¹, Autor
Figueras, F.¹, Autor
François, P.¹, Autor
Inno, L.¹, Autor
Magurno, D.¹, Autor
Matsunaga, N.¹, Autor
McWilliam, A.¹, Autor
Robin, A. C.¹, Autor

Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692

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Schlagwörter: stars: variables: Cepheids / stars: abundances / Galaxy: disk / stars: mass function

Zusammenfassung: Cepheids are excellent stellar tracers: they are bright enough to be observed even at large distances; their distances can be accurately determined via period-luminosity relations; their spectra contain numerous lines that enable us to derive abundances for many α, iron-peak or neutron-capture elements. Classical Cepheids are yellow supergiants that trace the young populations (<= 300 Myr) Type II Cepheids are post Horizontal Branch, low-mass, Population II stars (>= 10 Gyr). Both can be used for many purposes in Milky Way archaeology.

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Datum: Erschienen: 2018

Publikationsstatus: Erschienen

Seiten: 329-330

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Titel: Rediscovering Our Galaxy

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Start-/Enddatum: 2018

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