Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands

C. C. Ngeow; M. Marconi; I. Musella; M. Cignoni; M. Marengo; S. M. Kanbur

doi:10.1007/978-3-642-29630-7_26

Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands

C. C. Ngeow, M. Marconi, I. Musella, M. Cignoni, M. Marengo, S. M. Kanbur

Graduate Institute of Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The mid-infrared period–luminosity (P–L) relation for Cepheids will be important in the JWST era, as it holds the promise of deriving the Hubble constant within 2% accuracy. We present the synthetic P–L and period–color (P–C) relations, derived from a series of stellar pulsation models with varying helium and metallicity abundance, in the Spitzer IRAC bands. Selected synthetic P–L and P–C relations were compared to the empirical relations derived from Galactic and Large Magellanic Cloud Cepheids. We also present the empirical P–L relations based on the latest distance measurements using infrared surface brightness techniques.

Original language	English
Title of host publication	Stellar Pulsations - Impact of New Instrumentation and New Insights
Editors	L.A. Balona, J.C. Suarez, R. Garrido, J. Christensen-Dalsgaard
Publisher	Springer Netherlands
Pages	131-135
Number of pages	5
ISBN (Print)	9783642296291
DOIs	https://doi.org/10.1007/978-3-642-29630-7_26
State	Published - 2013
Event	20th Conference on Stellar Pulsations, 2011 - Granada, Spain Duration: 5 Sep 2011 → 9 Sep 2011

Publication series

Name	Astrophysics and Space Science Proceedings
Volume	31
ISSN (Print)	1570-6591
ISSN (Electronic)	1570-6605

Conference

Conference	20th Conference on Stellar Pulsations, 2011
Country/Territory	Spain
City	Granada
Period	5/09/11 → 9/09/11

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10.1007/978-3-642-29630-7_26

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Ngeow, C. C., Marconi, M., Musella, I., Cignoni, M., Marengo, M., & Kanbur, S. M. (2013). Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands. In L. A. Balona, J. C. Suarez, R. Garrido, & J. Christensen-Dalsgaard (Eds.), Stellar Pulsations - Impact of New Instrumentation and New Insights (pp. 131-135). (Astrophysics and Space Science Proceedings; Vol. 31). Springer Netherlands. https://doi.org/10.1007/978-3-642-29630-7_26

Ngeow, C. C. ; Marconi, M. ; Musella, I. et al. / Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands. Stellar Pulsations - Impact of New Instrumentation and New Insights. editor / L.A. Balona ; J.C. Suarez ; R. Garrido ; J. Christensen-Dalsgaard. Springer Netherlands, 2013. pp. 131-135 (Astrophysics and Space Science Proceedings).

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abstract = "The mid-infrared period–luminosity (P–L) relation for Cepheids will be important in the JWST era, as it holds the promise of deriving the Hubble constant within 2% accuracy. We present the synthetic P–L and period–color (P–C) relations, derived from a series of stellar pulsation models with varying helium and metallicity abundance, in the Spitzer IRAC bands. Selected synthetic P–L and P–C relations were compared to the empirical relations derived from Galactic and Large Magellanic Cloud Cepheids. We also present the empirical P–L relations based on the latest distance measurements using infrared surface brightness techniques.",

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Ngeow, CC, Marconi, M, Musella, I, Cignoni, M, Marengo, M & Kanbur, SM 2013, Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands. in LA Balona, JC Suarez, R Garrido & J Christensen-Dalsgaard (eds), Stellar Pulsations - Impact of New Instrumentation and New Insights. Astrophysics and Space Science Proceedings, vol. 31, Springer Netherlands, pp. 131-135, 20th Conference on Stellar Pulsations, 2011, Granada, Spain, 5/09/11. https://doi.org/10.1007/978-3-642-29630-7_26

Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands. / Ngeow, C. C.; Marconi, M.; Musella, I. et al.
Stellar Pulsations - Impact of New Instrumentation and New Insights. ed. / L.A. Balona; J.C. Suarez; R. Garrido; J. Christensen-Dalsgaard. Springer Netherlands, 2013. p. 131-135 (Astrophysics and Space Science Proceedings; Vol. 31).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Ngeow, C. C.

AU - Marconi, M.

AU - Musella, I.

AU - Cignoni, M.

AU - Marengo, M.

AU - Kanbur, S. M.

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AB - The mid-infrared period–luminosity (P–L) relation for Cepheids will be important in the JWST era, as it holds the promise of deriving the Hubble constant within 2% accuracy. We present the synthetic P–L and period–color (P–C) relations, derived from a series of stellar pulsation models with varying helium and metallicity abundance, in the Spitzer IRAC bands. Selected synthetic P–L and P–C relations were compared to the empirical relations derived from Galactic and Large Magellanic Cloud Cepheids. We also present the empirical P–L relations based on the latest distance measurements using infrared surface brightness techniques.

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BT - Stellar Pulsations - Impact of New Instrumentation and New Insights

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A2 - Suarez, J.C.

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T2 - 20th Conference on Stellar Pulsations, 2011

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ER -

Ngeow CC, Marconi M, Musella I, Cignoni M, Marengo M, Kanbur SM. Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands. In Balona LA, Suarez JC, Garrido R, Christensen-Dalsgaard J, editors, Stellar Pulsations - Impact of New Instrumentation and New Insights. Springer Netherlands. 2013. p. 131-135. (Astrophysics and Space Science Proceedings). doi: 10.1007/978-3-642-29630-7_26

Synthetic cepheid period–luminosity and period–color relations in spitzer’s IRAC bands

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