1 / 40

Testing microphysics data

Przemysław Walczak Jadwiga Daszyńska-Daszkiewicz Uniwersytet Wrocławski Instytut Astronomiczny, Poland Wrocław, 21.08.2013. Testing microphysics data. β Cephei stars. θ Ophiuchi ν Eridani γ Pegasi 12 Lacertae. Asteroseismic tools. ν pulsational frequency f -parameter.

lynnea
Download Presentation

Testing microphysics data

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Przemysław Walczak Jadwiga Daszyńska-Daszkiewicz Uniwersytet Wrocławski Instytut Astronomiczny, Poland Wrocław, 21.08.2013 Testing microphysics data

  2. βCepheistars • θOphiuchi • νEridani • γPegasi • 12 Lacertae

  3. Asteroseismictools νpulsationalfrequency f-parameter

  4. fresultsfromlinear, nonadiabaticcomputations of stellaroscillations the nonadiabatic, complex parameter f a ratio of thebolometricfluxperturbation to theradialdisplacementatthephotospherelevel

  5. frequency,  stellar parameters, M, Teff shape of eigenfunctions chemical composition, (X, Z, mixture) opacity subphotosphericconvection rotation, if  Values of f depend on:

  6. Method of determination of f Daszyńska-Daszkiewicz, J., Dziembowski, W. A., Pamyatnykh, A. A, 2003, A&A 407, 999 (for δScutistars) Daszyńska-Daszkiewicz, J., Dziembowski, W. A., Pamyatnykh, A. A, 2005, A&A 441, 641 (for βCepheistars)

  7. Method of determination of f Daszyńska-Daszkiewicz, J., Dziembowski, W. A., Pamyatnykh, A. A, 2003, A&A 407, 999 (for δScutistars) Daszyńska-Daszkiewicz, J., Dziembowski, W. A., Pamyatnykh, A. A, 2005, A&A 441, 641 (for βCepheistars)

  8. OP: H, He, C, N, O, Ne, Na, Mg, Al, Si, S, Ar, Ca, Cr, Mn, Fe, Ni OPACITY TABLES (Seaton, 2005, MNRAS, 362, L1)

  9. OP: H, He, C, N, O, Ne, Na, Mg, Al, Si, S, Ar, Ca, Cr, Mn, Fe, Ni OPAL:H, He, C, N, O, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca, Ti, Cr, Mn, Fe, Ni OPACITY TABLES (Iglesias & Rogers 1996, ApJ 464, 943)

  10. OP: H, He, C, N, O, Ne, Na, Mg, Al, Si, S, Ar, Ca, Cr, Mn, Fe, Ni OPAL:H, He, C, N, O, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca, Ti, Cr, Mn, Fe, Ni LA: H, He, Li,Be,B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K, Ca, Sc, Ti, V, Cr, Mn, Fe,Co, Ni, Cu, Zn OPACITY TABLES (Magee et al. 1995, in ASP Conf. Ser. 78, 51)

  11. 5M

  12. 10M

  13. HD157056 V = 3.25 mag B2IV θOphiuchi Briquet, M., Lefever, K., Uytterhoeven, K., Aerts, C. , 2005, MNRAS, 362, 619 Handler, G., Shobbrook, R. R., Mokgwetsi, T., 2005, MNRAS 362, 612

  14. HD157056 V = 3.25 mag B2IV θOphiuchi Briquet, M., Lefever, K., Uytterhoeven, K., Aerts, C. , 2005, MNRAS, 362, 619 Handler, G., Shobbrook, R. R., Mokgwetsi, T., 2005, MNRAS 362, 612

  15. ν3= 7.4677 c/d l=0, ν6= 7.8742 c/d l=1 θOphiuchi

  16. ν3= 7.4677 c/d l=0, ν6= 7.8742 c/d l=1 θOphiuchi OP (Seaton 2005)

  17. ν3= 7.4677 c/d l=0, ν6= 7.8742 c/d l=1 θOphiuchi

  18. ν3= 7.4677 c/d l=0, ν6= 7.8742 c/d l=1 θOphiuchi OP (Seaton 2005)

  19. HD 886 V=2.83 mag B2IV γPegasi Handler, G.: 2009, MNRAS 398, 1339; Handler, G., Matthews, J.M., Eaton, J.A. et al.: 2009, ApJ 698, 56

  20. HD 886 V=2.83 mag B2IV γPegasi Handler, G.: 2009, MNRAS 398, 1339; Handler, G., Matthews, J.M., Eaton, J.A. et al.: 2009, ApJ 698, 56

  21. ν1=6.58974 c/d l=0, ν5=6.01616 c/d l=1 γPegasi

  22. ν1=6.58974 c/d l=0, ν5=6.01616 c/d l=1 γPegasi

  23. ν1=6.58974 c/d l=0, ν5=6.01616 c/d l=1 γPegasi

  24. HD 214993 V = 5.228 mag B2III 12 Lacertae Desmet M., Briquet M., Thoul A., et al., 2009, MNRAS,396, 1460 Handler, G., Jerzykiewicz, M., Rodriguez, E., at al., 2006, MNRAS, 365, 327

  25. HD 214993 V = 5.228 mag B2III 12 Lacertae Desmet M., Briquet M., Thoul A., et al., 2009, MNRAS,396, 1460 Handler, G., Jerzykiewicz, M., Rodriguez, E., at al., 2006, MNRAS, 365, 327

  26. ν4=5.334357 c/d l=0, ν2=5.066346 c/d l=1 12 Lacertae

  27. ν4=5.334357 c/d l=0, ν2=5.066346 c/d l=1 12 Lacertae

  28. ν4=5.334357 c/d l=0, ν2=5.066346 c/d l=1 12 Lacertae

  29. ν4=5.334357 c/d l=0, ν2=5.066346 c/d l=1 12 Lacertae Morel T., Butler K., Aerts C., Neiner C., Briquet M., 2006, A&A, 457, 651

  30. 12 Lacertae ν4=5.334357 c/d l=0, ν2=5.066346 c/d l=1 50%

  31. 12 Lacertae ν4=5.334357 c/d l=0, ν2=5.066346 c/d l=1 50%

  32. HD 29248 • V = 3.92 mag • B2III ν ERIDANI Aerts C., de Cat P., Handler G., et al., 2004, MNRAS, 347, 463 Jerzykiewicz M., Handler G., Shobbrook R. R., et al., 2005, MNRAS 360, 619

  33. HD 29248 • V = 3.92 mag • B2III ν ERIDANI Aerts C., de Cat P., Handler G., et al., 2004, MNRAS, 347, 463 Jerzykiewicz M., Handler G., Shobbrook R. R., et al., 2005, MNRAS 360, 619

  34. ν1 = 5.7632828 c/d l=0, ν4 = 5.6372470 c/d l=1, ν6 = 6.243847 c/d l=1 ν ERIDANI

  35. ν1 = 5.7632828 c/d l=0, ν4 = 5.6372470 c/d l=1, ν6 = 6.243847 c/d l=1 ν ERIDANI

  36. ν1 = 5.7632828 c/d l=0, ν4 = 5.6372470 c/d l=1, ν6 = 6.243847 c/d l=1 ν ERIDANI

  37. ν1 = 5.7632828 c/d l=0 ν ERIDANI

  38. νB=0.61440 c/d, l=2 ν ERIDANI

  39. θ Oph: OPAL(LA) • γ Peg: no preferences • 12 Lac: OP • ν Eri: • High frequency modes: OPAL/LA • Low frequency mode: OP • LA – excitationproblems Summary

  40. βCepheistars Mass: 8-17 Msun • Spectral type:O8-B6 • Light amplitudes: 0.01 - 0.3 magnitudes • Periods: 0.1 - 0.6 days (~2 – 15 hours)

More Related