Journal articles on the topic 'White dwarf stars Spectra'
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Kepler, S. O., Alejandra Daniela Romero, Ingrid Pelisoli, and Gustavo Ourique. "White Dwarf Stars." International Journal of Modern Physics: Conference Series 45 (January 2017): 1760023. http://dx.doi.org/10.1142/s2010194517600230.
Full textShipman, H. L. "Variable white dwarfs." Proceedings of the International Astronomical Union 15, S357 (October 2019): 107–9. http://dx.doi.org/10.1017/s1743921320001386.
Full textKepler, S. O., Ingrid Pelisoli, Detlev Koester, Nicole Reindl, Stephan Geier, Alejandra D. Romero, Gustavo Ourique, Cristiane de Paula Oliveira, and Larissa A. Amaral. "White dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 14." Monthly Notices of the Royal Astronomical Society 486, no. 2 (April 8, 2019): 2169–83. http://dx.doi.org/10.1093/mnras/stz960.
Full textHogg, M. A., S. L. Casewell, G. A. Wynn, E. S. Longstaff, I. P. Braker, M. R. Burleigh, R. H. Tilbrook, et al. "Confirming new white dwarf-ultracool dwarf binary candidates." Monthly Notices of the Royal Astronomical Society 498, no. 1 (August 10, 2020): 12–24. http://dx.doi.org/10.1093/mnras/staa2233.
Full textKepler, S. O., Detlev Koester, Ingrid Pelisoli, Alejandra D. Romero, and Gustavo Ourique. "White dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 16." Monthly Notices of the Royal Astronomical Society 507, no. 3 (August 24, 2021): 4646–60. http://dx.doi.org/10.1093/mnras/stab2411.
Full textSolheim, J. E. "Interacting Binary White Dwarf Stars." Symposium - International Astronomical Union 151 (1992): 461–64. http://dx.doi.org/10.1017/s0074180900122727.
Full textFinch, Nicolle L., S. P. Preval, M. A. Barstow, S. L. Casewell, T. Ayres, B. Welsh, M. Bainbridge, and N. Reindl. "What can ISM and non-photospheric highly ionised lines in white dwarf spectra reveal about the β CMa tunnel?" Proceedings of the International Astronomical Union 15, S357 (October 2019): 220–24. http://dx.doi.org/10.1017/s1743921320001374.
Full textFontaine, G., P. Brassard, P. Bergeron, and F. Wesemael. "White Dwarf Seismology at the Université de Montréal." International Astronomical Union Colloquium 139 (1993): 120. http://dx.doi.org/10.1017/s0252921100117063.
Full textAllard, N. F., J. F. Kielkopf, S. Blouin, P. Dufour, F. X. Gadéa, T. Leininger, and G. Guillon. "Line shapes of the magnesium resonance lines in cool DZ white dwarf atmospheres." Astronomy & Astrophysics 619 (November 2018): A152. http://dx.doi.org/10.1051/0004-6361/201834067.
Full textMajlinger, Zlatko, Milan S. Dimitrijević, and Vladimir A. Srećković. "Stark broadening of Co ii spectral lines in hot stars and white dwarf spectra." Monthly Notices of the Royal Astronomical Society 496, no. 4 (July 9, 2020): 5584–90. http://dx.doi.org/10.1093/mnras/staa1947.
Full textAloui, Rihab, Haykel Elabidi, and Sylvie Sahal-Bréchot. "Sr v–vi line widths in hot white dwarf atmospheres." Monthly Notices of the Royal Astronomical Society 512, no. 2 (February 22, 2022): 1598–607. http://dx.doi.org/10.1093/mnras/stac405.
Full textWerner, Klaus. "Central stars of planetary nebulae: The white dwarf connection." Proceedings of the International Astronomical Union 7, S283 (July 2011): 196–203. http://dx.doi.org/10.1017/s1743921312010952.
Full textMiller, David R., Ilaria Caiazzo, Jeremy Heyl, Harvey B. Richer, and Pier-Emmanuel Tremblay. "The Ultramassive White Dwarfs of the Alpha Persei Cluster." Astrophysical Journal Letters 926, no. 2 (February 1, 2022): L24. http://dx.doi.org/10.3847/2041-8213/ac50a5.
Full textRohrmann, R. D., A. M. Serenelli, L. G. Althaus, and O. G. Benvenuto. "Improved synthetic spectra of helium-core white dwarf stars." Monthly Notices of the Royal Astronomical Society 335, no. 2 (September 2002): 499–511. http://dx.doi.org/10.1046/j.1365-8711.2002.05644.x.
Full textWesemael, F., J. L. Greenstein, James Liebert, R. Lamontagne, G. Fontaine, P. Bergeron, and J. W. Glaspey. "An atlas of optical spectra of white-dwarf stars." Publications of the Astronomical Society of the Pacific 105 (July 1993): 761. http://dx.doi.org/10.1086/133228.
Full textKepler, S. O., B. G. Castanheira, A. F. M. Costa, and D. Koester. "Gemini spectra of 12 000 K white dwarf stars." Monthly Notices of the Royal Astronomical Society 372, no. 4 (November 11, 2006): 1799–803. http://dx.doi.org/10.1111/j.1365-2966.2006.10992.x.
Full textChayer, P., G. Fontaine, and F. Wesemael. "Hervy Element Abundances Predicted by Radiative Support Theory in the Atmospheres of Hot White Dwarfs." International Astronomical Union Colloquium 114 (1989): 253–57. http://dx.doi.org/10.1017/s0252921100099656.
Full textReindl, Nicole, Veronika Schaffenroth, Semih Filiz, Stephan Geier, Ingrid Pelisoli, and Souza Oliveira Kepler. "Mysterious, variable, and extremely hot: White dwarfs showing ultra-high excitation lines." Astronomy & Astrophysics 647 (March 2021): A184. http://dx.doi.org/10.1051/0004-6361/202140289.
Full textFontaine, G., and F. Wesemael. "Successes and Challenges of the Theory of White Dwarf Spectral Evolution." Symposium - International Astronomical Union 145 (1991): 421–34. http://dx.doi.org/10.1017/s0074180900227551.
Full textWilson, Thomas G., Jay Farihi, Boris T. Gänsicke, and Andrew Swan. "The unbiased frequency of planetary signatures around single and binary white dwarfs using Spitzer and Hubble." Monthly Notices of the Royal Astronomical Society 487, no. 1 (April 13, 2019): 133–46. http://dx.doi.org/10.1093/mnras/stz1050.
Full textCastanheira, B. G., S. O. Kepler, G. Handler, and D. Koester. "Analysis of IUE spectra of helium-rich white dwarf stars." Astronomy & Astrophysics 450, no. 1 (April 2006): 331–37. http://dx.doi.org/10.1051/0004-6361:20054221.
Full textHollands, Mark A., Boris T. Gänsicke, Detlev Koester, Vadim Alekseev, and Emma L. Herbert. "Chemistry of the oldest white dwarf planetary systems." Proceedings of the International Astronomical Union 13, S332 (March 2017): 202–9. http://dx.doi.org/10.1017/s1743921317006779.
Full textSánchez Arias, Julieta P., Alejandra D. Romero, Alejandro H. Córsico, Ingrid Pelisoli, Victoria Antoci, S. O. Kepler, Leandro G. Althaus, and Mariela A. Corti. "Comparing the asteroseismic properties of pulsating pre-extremely low mass white dwarf and δ Scuti stars." Astronomy & Astrophysics 616 (August 2018): A80. http://dx.doi.org/10.1051/0004-6361/201731808.
Full textBrassard, P., G. Fontaine, F. Vesemael, and S. D. Kawaler. "Are Pulsations a Useful Probe of the Structure of the Outer Layers of White Dwarfs ?" International Astronomical Union Colloquium 114 (1989): 263–68. http://dx.doi.org/10.1017/s025292110009967x.
Full textLew, Ben W. P., Dániel Apai, Yifan Zhou, Mark Marley, L. C. Mayorga, Xianyu Tan, Vivien Parmentier, Sarah Casewell, and Siyi Xu (许偲艺). "Mapping the Pressure-dependent Day–Night Temperature Contrast of a Strongly Irradiated Atmosphere with HST Spectroscopic Phase Curve." Astronomical Journal 163, no. 1 (December 13, 2021): 8. http://dx.doi.org/10.3847/1538-3881/ac3001.
Full textHernandez, M. S., M. R. Schreiber, S. G. Parsons, B. T. Gänsicke, F. Lagos, R. Raddi, O. Toloza, et al. "The White Dwarf Binary Pathways Survey – IV. Three close white dwarf binaries with G-type secondary stars." Monthly Notices of the Royal Astronomical Society 501, no. 2 (December 14, 2020): 1677–89. http://dx.doi.org/10.1093/mnras/staa3815.
Full textKenyon, Scott J. "Symbiotic Binary Stars." Symposium - International Astronomical Union 151 (1992): 137–46. http://dx.doi.org/10.1017/s0074180900122132.
Full textWang, Kun, Péter Németh, Yangping Luo, Xiaodian Chen, Qingquan Jiang, and Xingmei Cao. "Extremely Low-mass White Dwarf Stars Observed in Gaia DR2 and LAMOST DR8." Astrophysical Journal 936, no. 1 (August 25, 2022): 5. http://dx.doi.org/10.3847/1538-4357/ac847c.
Full textEscorza, A., D. Karinkuzhi, A. Jorissen, L. Siess, H. Van Winckel, D. Pourbaix, C. Johnston, et al. "Barium and related stars, and their white-dwarf companions." Astronomy & Astrophysics 626 (June 2019): A128. http://dx.doi.org/10.1051/0004-6361/201935390.
Full textPrice, C. W., and H. L. Shipman. "Balmer-line spectra of white dwarf stars with chemically stratified atmospheres." Astrophysical Journal 295 (August 1985): 561. http://dx.doi.org/10.1086/163399.
Full textAllard, Nicole F., John F. Kielkopf, Siyi Xu, Grégoire Guillon, Bilel Mehnen, Roberto Linguerri, Muneerah Mogren Al Mogren, Majdi Hochlaf, and Ivan Hubeny. "H–He collision-induced satellite in the Lyman α profile of DBA white dwarf stars." Monthly Notices of the Royal Astronomical Society 494, no. 1 (March 13, 2020): 868–75. http://dx.doi.org/10.1093/mnras/staa707.
Full textVauclair, Gérard. "Diffusion and Metal Abundances in Hot White Dwarfs Gerard Vauclair." International Astronomical Union Colloquium 114 (1989): 176–87. http://dx.doi.org/10.1017/s0252921100099541.
Full textKawaler, Steven D. "Probing the Extraordinary Ends of Ordinary Stars: White Dwarf Seismology with the Whole Earth Telescope." International Astronomical Union Colloquium 155 (1995): 81–91. http://dx.doi.org/10.1017/s0252921100036800.
Full textHandler, G., M. A. Wood, and A. Nitta. "Towards Ensemble Asteroseismology of the Pulsating DB White Dwarf Stars." International Astronomical Union Colloquium 185 (2002): 608–9. http://dx.doi.org/10.1017/s0252921100017231.
Full textGänsicke, Boris T., Pablo Rodríguez-Gil, Nicola P. Gentile Fusillo, Keith Inight, Matthias R. Schreiber, Anna F. Pala, and Pier-Emmanuel Tremblay. "Single magnetic white dwarfs with Balmer emission lines: a small class with consistent physical characteristics as possible signposts for close-in planetary companions." Monthly Notices of the Royal Astronomical Society 499, no. 2 (September 29, 2020): 2564–74. http://dx.doi.org/10.1093/mnras/staa2969.
Full textBerdyugin, Andrei V., Vilppu Piirola, Stefano Bagnulo, John D. Landstreet, and Svetlana V. Berdyugina. "Highly sensitive search for magnetic fields in white dwarfs using broad-band circular polarimetry." Astronomy & Astrophysics 657 (January 2022): A105. http://dx.doi.org/10.1051/0004-6361/202142173.
Full textWerner, K., T. Rauch, and J. W. Kruk. "Metal abundances in hot white dwarfs with signatures of a superionized wind." Astronomy & Astrophysics 609 (January 2018): A107. http://dx.doi.org/10.1051/0004-6361/201731740.
Full textBlouin, Simon, and Patrick Dufour. "The spectral evolution of cool white dwarfs." Proceedings of the International Astronomical Union 15, S357 (October 2019): 166–69. http://dx.doi.org/10.1017/s1743921320000277.
Full textKuuttila, J., and M. Gilfanov. "Optical emission-line spectra of symbiotic binaries." Monthly Notices of the Royal Astronomical Society 507, no. 1 (August 18, 2021): 594–607. http://dx.doi.org/10.1093/mnras/stab2025.
Full textHolberg, J. B., M. A. Barstow, and M. R. Burleigh. "An Archive of IUE Low‐Dispersion Spectra of the White Dwarf Stars." Astrophysical Journal Supplement Series 147, no. 1 (July 2003): 145–66. http://dx.doi.org/10.1086/374886.
Full textBell, K. J., I. Pelisoli, S. O. Kepler, W. R. Brown, D. E. Winget, K. I. Winget, Z. Vanderbosch, et al. "The McDonald Observatory search for pulsating sdA stars." Astronomy & Astrophysics 617 (September 2018): A6. http://dx.doi.org/10.1051/0004-6361/201833279.
Full textWerner, Klaus, Nicole Reindl, Stephan Geier, and Max Pritzkuleit. "Discovery of hot subdwarfs covered with helium-burning ash." Monthly Notices of the Royal Astronomical Society: Letters 511, no. 1 (February 11, 2022): L66—L71. http://dx.doi.org/10.1093/mnrasl/slac005.
Full textBédard, A., P. Brassard, P. Bergeron, and S. Blouin. "On the Spectral Evolution of Hot White Dwarf Stars. II. Time-dependent Simulations of Element Transport in Evolving White Dwarfs with STELUM." Astrophysical Journal 927, no. 1 (March 1, 2022): 128. http://dx.doi.org/10.3847/1538-4357/ac4497.
Full textMoehler, S., W. B. Landsman, T. Lanz, and M. M. Miller Bertolami. "Hot UV-bright stars of galactic globular clusters." Astronomy & Astrophysics 627 (June 27, 2019): A34. http://dx.doi.org/10.1051/0004-6361/201935694.
Full textJorissen, A., H. M. J. Boffin, D. Karinkuzhi, S. Van Eck, A. Escorza, S. Shetye, and H. Van Winckel. "Barium and related stars, and their white-dwarf companions." Astronomy & Astrophysics 626 (June 2019): A127. http://dx.doi.org/10.1051/0004-6361/201834630.
Full textWunner, G., F. Geyer, and H. Ruder. "Atomic Data Relevant to Line Formation in Strongly Magnetized White Dwarf Stars." International Astronomical Union Colloquium 93 (1987): 595–99. http://dx.doi.org/10.1017/s025292110010538x.
Full textCraig, N., A. Fruscione, J. Dupuis, M. Mathioudakis, J. J. Drake, M. Abbott, C. Christian, R. Green, T. Boroson, and S. B. Howell. "TheEUVEOptical Identification Campaign II: Late-Type and White Dwarf Stars." International Astronomical Union Colloquium 152 (1996): 491–96. http://dx.doi.org/10.1017/s0252921100036447.
Full textLam, M. C., N. C. Hambly, N. Lodieu, S. Blouin, E. J. Harvey, R. J. Smith, M. C. Gálvez-Ortiz, and Z. H. Zhang. "First discovery of an ultra-cool white dwarf benchmark in common proper motion with an M dwarf." Monthly Notices of the Royal Astronomical Society 493, no. 4 (February 27, 2020): 6001–10. http://dx.doi.org/10.1093/mnras/staa584.
Full textPelletier, C., G. Fontaine, and F. Wesemael. "Finite Element Analysis of Diffusion Processes in White Dwarfs." International Astronomical Union Colloquium 114 (1989): 249–52. http://dx.doi.org/10.1017/s0252921100099644.
Full textGreenstein, Jesse L. "White Dwarfs as Observed at High Signal to Noise." Symposium - International Astronomical Union 132 (1988): 175–83. http://dx.doi.org/10.1017/s0074180900034987.
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