40 years of the Kazan non-LTE School: achievements and problems

L. I. Mashonkina

Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 153 (2011) no. 2, pp. 7-19

Résumé

This paper reviews the non-local thermodynamic equilibrium (non-LTE) line formation studies of the pioneer of such astrophysical researches in our country N. A. Sakhibullin and his scientific group.

Détail

Keywords: stellar atmospheres, radiation transfer, statictical equilibrium of atoms, stellar spectra.

Bibliographie

[1] Sakhibullin N. A., Tsentralnye glubiny rezonansnykh linii Mg II 2800 Å, rasschitannye pri otkaze ot LTR, Astron. tsirkulyar No 733, 1972

[2] Sakhibullin N. A., “Interpretatsiya emissii v linii C III 9710 v spektrakh goryachikh zvezd”, Pisma v Astron. zhurn., 7 (1981), 224–227

[3] Sakhibullin N. A., Auer L. Kh., van der Khukht K., “Ne-LTR analiz linii ugleroda v spektrakh goryachikh zvezd. I – Linii C III 4650 i 9710 Åv spektrakh O zvezd”, Astron. zhurn., 59 (1982), 933–943

[4] Boyarchuk A. A., Lyubimkov L. S., Sakhibullin N. A., “Otkloneniya ot lokalnogo termodinamicheskogo ravnovesiya v atmosferakh F sverkhgigantov. I. Sverkhionizatsiya Fe I”, Astrofizika, 22 (1985), 339–356

[5] Mashonkina L., Gehren T., Shi J. R., Korn A. J., Grupp F., “A non-LTE study of neutral and singly-ionized iron line spectra in 1D models of the Sun and selected late-type stars”, Astron. Astrophys., 528 (2011), A87-1–A87-17 | DOI

[6] Mashonkina L., Sakhibullin N. A., Shimanskii V. V., “Spektralnye linii Na I v atmosferakh G-karlikov v otsutstvie LTR”, Astron. zhurn., 70 (1993), 372–380

[7] Bikmaev I. F., Bobritskii S., Sakhibullin N. A., “Sverkhionizatsiya neitralnogo zheleza v atmosferakh subkarlikov solnechnogo tipa”, Pisma v Astron. zhurn., 16 (1990), 213–222

[8] Nave G., Johansson S., Learner R. C. M., Thorne A. P., Brault J. W., “A new multiplet table for Fe I”, Astrophys. J. Suppl. Ser., 94:1 (1994), 221–459 | DOI

[9] Kurucz R. L., Atoms, 2009 URL: http://kurucz.harvard.edu/atoms/2600/

[10] Boyarchuk A. A., Gubeny I., Kubat I., Lyubimkov L. S., Sakhibullin N. A., “Ne-LTR effekty v atmosferakh F sverkhgigantov. III. Analiz linii Na I (rezultaty vychislenii)”, Astrofizika, 28 (1988), 343–353

[11] Sakhibullin N. A., “Linii Na I kak indikator khromosfery u zvezd pozdnego tipa”, Astron. zhurn., 64 (1987), 1269–1279

[12] Ivanova D. V., Shimanskii V. V., “Ne-LTR analiz formirovaniya linii K I v spektrakh A–K zvezd”, Astron. zhurn., 77 (2000), 432–444

[13] Shimanskii V. V., Bikmaev I. F., Galeev A. I., Shimanskaya N. N., Ivanova D. V., Sakhibullin N. A., Musaev F. A., Galazutdinov G. A., “Nablyudatelnye ogranicheniya na sintez kaliya pri formirovanii zvezd galakticheskogo diska”, Astron. zhurn., 80:9 (2003), 816–828

[14] Mashonkina L., Shimanskaya N. N., Sakhibullin N. A., “Analiz formirovaniya linii Mg I u zvezd pozdnikh tipov v otsutstvie LTR”, Astron. zhurn., 73 (1996), 212–220

[15] Mashonkina L., Korn A. J., Przybilla N., “Statistical equilibrium calculations for neutral and singly-ionized calcium in the atmospheres of late-type stars”, Astron. Astrophys., 461 (2007), 261–271 | DOI

[16] Shi J. R., Gehren T., Butler K., Mashonkina L., Zhao G., “Statistical equilibrium of silicon in the solar atmosphere”, Astron. Astrophys., 486 (2008), 303–311 | DOI

[17] Frebel A., Aoki W., Christlieb N., Ando H., Asplund M., Barklem P. S., Beers T. C., Eriksson K., Fechner C., Fujimoto M. Y., Honda S., Kajino T., Minezaki T., Nomoto K., Norris J. E., Ryan S.G., Takada-Hidai M., Tsangarides S., Yoshii Y., “Nucleosynthetic signatures of the first stars”, Nature, 434 (2005), 871–873 | DOI

[18] Korn A. J., Richard O., Mashonkina L., Bessell M. S., Frebel A., Aoki W., “HE 1327–2326, an unevolved star with $[\mathrm{Fe/H}]-5$. III. Does its atmosphere reflect its natal composition?”, Astrophys. J., 698:1 (2009), 410–416 | DOI

[19] Sakhibullin N. A., Shimanskii V. V., “Ne-LTR effekty dlya linii Na I v obluchaemykh rentgenovskim izlucheniem atmosferakh zvezd”, Pisma v Astron. zhurn., 26 (2000), 369–379

[20] Ivanova D. V., Sakhibullin N. A., Shimanskii V. V., “Formirovanie linii Ca II v obluchaemykh atmosferakh”, Astron. zhurn., 81 (2004), 523–540

[21] Ryabchikova T., Piskunov N., Kochukhov O., Tsymbal V., Mittermayer P., Weiss W. W., “Abundance stratification and pulsation in the atmosphere of the roAp star boldmath gamma Equulei”, Astron. Astrophys., 384:2 (2002), 545–553 | DOI

[22] Mashonkina L., Ryabchikova T., Ryabtsev A., Kildiyarova R., “Non-LTE line formation for Pr II and Pr III in A and Ap stars”, Astron. Astrophys., 495:1 (2009), 297–311 | DOI

[23] Mashonkina L., Ryabchikova T., Ryabtsev A., “NLTE ionization equilibrium of Nd II and Nd III in cool A and Ap stars”, Astron. Astrophys., 441:1 (2005), 309–318 | DOI

[24] Mashonkina L., Zhao G., Gehren T., Aoki W., Bergemann M., Noguchi K., Shi J. R., Takada-Hidai M., Zhang H. W., “Non-LTE line formation for heavy elements in four very metal-poor stars”, Astron. Astrophys., 478:2 (2008), 529–541 | DOI

[25] Sakhibullin N. A., Shabert V. Ya., “Rol blendirovaniya pri formirovanii singletnykh linii geliya v atmosferakh Bp zvezd”, Pisma v Astron. zhurn., 16 (1990), 539–544

[26] Mashonkina L., Shavrina A. V., Khalak V., Polosukhina N. S., Tsimbal V., Vygonets V., “Vliyanie pyatennoi struktury linii redkozemelnykh elementov i ne-LTR effektov na otsenki soderzhaniya litiya dlya dvukh roAp zvezd”, Astron. zhurn., 79:1 (2002), 31–37

[27] Sakhibullin N. A., “Ne-LTR analiz linii ugleroda v spektrakh goryachikh zvezd. – Rezonansnye linii i liniya C II 4267.2 A v spektrakh B zvezd”, Astron. zhurn., 64 (1987), 291–305

[28] Sakhibullin N. A., van der Khukht K., “Ne-LTR analiz linii ugleroda v spektrakh goryachikh zvezd”, Astron. zhurn., 60 (1983), 917–930

[29] Soloveva L. I., “Issledovanie atmosfer O zvezd glavnoi posledovatelnosti pri otkaze ot LTR”, Astron. zhurn., 63 (1986), 310–316

[30] Soloveva L. I., “Raschety linii iona N IV pri otkaze ot LTR”, Astron. zhurn., 60 (1983), 717–726

[31] Abia C., Mashonkina L., “Magnesium abundances in mildly metal-poor stars from different indicators”, Mon. Not. R. Astron. Soc., 350:3 (2004), 1127–1140 | DOI

[32] Ivanova D. V., Sakhibullin N. A., Shimanskii V. V., “Metod modelirovaniya formirovaniya linii Ca II v spektrakh obluchaemykh zvezdnykh atmosfer”, Astron. zhurn., 79 (2002), 433–448

[33] Belyakova E. V., Mashonkina L. I., “Analiz statisticheskogo ravnovesiya iona Sr II v atmosferakh F, G zvezd”, Astron. zhurn., 74 (1997), 601–610

[34] Velichko A. B., Mashonkina L. I., Nilsson Kh., “Formirovanie linii Zr I–II v neravnovesnykh usloviyakh zvezdnykh atmosfer”, Pisma v Astron. zhurn., 36 (2010), 698–713

[35] Mashonkina L., Bikmaev I. F., “Opredelenie soderzhaniya bariya u zvezd solnechnogo tipa v otsutstvie LTR. I. Metodika neLTR vychislenii”, Astron. zhurn., 73 (1996), 109–118

[36] Mashonkina L., “Ne-LTR analiz formirovaniya linii Eu II v atmosferakh zvezd solnechnogo tipa”, Astron. zhurn., 77 (2000), 630–640

[37] Mashonkina L., Ryabtsev A. N., Ryabchikova T. A., “Sily ostsillyatorov Eu III i soderzhanie evropiya v Ar zvezdakh”, Pisma v Astron. zhurn., 28 (2002), 41–55