Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Johannessen F."'
Autor:
Mukadam A. S., Kepler S. O., Winget D. E., Nather R. E., Kilic M., Mullally F., Hippel T. von, Kleinman S. J., Nitta A., Guzik J. A., Bradley P. A., Matthews J., Sekiguchi K., Sullivan D. J., Shobbrook R. R., Birch P., Jiang X. J., Xu D. W., Joshi S., Ashoka B.N., Ibbetson P., Leibowitz E., Ofek E. O., Meištas E. G., Janulis R., Ališauskas D., Kalytis R., Handler G., Kilkenny D., O’Donoghue D., Kurtz D. W., Müller M., Moskalik P., Ogłoza W., Zoła S., Krzesiński J., Johannessen F., Gonzalez-Perez J. M., Solheim J-E., Silvotti R., Bernabei S., Vauclair G., Dolez N., Fu J. N., Chevreton M., Manteiga M., Súarez O., Ulla A., Cunha M. S., Metcalfe T. S., Kanaan A., Fraga L., Costa A. F. M., Giovannini O., Fontaine G., Bergeron P., O’Brien M. S., Sanwal D., Wood M. A., Ahrens T. J., Silvestri N., Klumpe E. W., Kawaler S. D., Riddle R., Reed M. D., Watson T. K.
Publikováno v:
Open Astronomy, Vol 12, Iss 1, Pp 71-103 (2003)
We report our analysis of the stability of pulsation periods in the DAV star (pulsating hydrogen atmosphere white dwarf) ZZ Ceti, also called R548. Based on observations that span 31 years, we conclude that the period 213.132605 s observed in ZZ Ceti
Externí odkaz:
https://doaj.org/article/2f43468678c44bc7b5f349f3b424d8fd
Autor:
Kurtz D. W., Kawaler S.D., Riddle R. L., Reed M.D., Cunha M. S., Wood M., Silvestri N., Watson T.K., Dolez N., Moskalik P., Zola S., Pallier E., Guzik J.A., Metcalfe T. S., Mukadam A., Nather R.E., Winget D.E., Sullivan D. J., Sullivan T., Sekiguchi K., Jiang X.J., Shobbrook R.R., Birch P.V., Ashoka B. N., Seetha S., Joshi S., Girish V., O’Donoghue D., Handler G., Mueller M., Perez J.M. Gonzalez, Solheim J.-E., Johannessen F., Ulla A., Kepler S.O., Kanaan A., Costa A.da, Fraga L., Giovannini O., Matthews J. M., Cameron C., Vauclair G., Nitta A., Kleinman S. J.
Publikováno v:
Open Astronomy, Vol 12, Iss 1, Pp 105-117 (2003)
HR1217 is a prototypical rapidly oscillating Ap star that has presented a test to the theory of nonradial stellar pulsation. Prior observations showed a clear pattern of five modes with alternating frequency spacings of 33.3 μHz and 34.6 μHz, with
Externí odkaz:
https://doaj.org/article/4538bab4b5ef4b12b0054b3ec3821434
Autor:
Costa, J. E. S., Kepler, S. O., Winget, D. E., O'Brien, M. S., Kawaler, S. D., Costa, A. F. M., Giovannini, O., Kanaan, A., Mukadam, A. S., Mullally, F., Nitta, A., Provençal, J. L., Shipman, H., Wood, M. A., Ahrens, T. J., Grauer, A., Kilic, M., Bradley, P. A., Sekiguchi, K., Crowe, R., Jiang, X. J., Sullivan, D., Sullivan, T., Rosen, R., Clemens, J. C., Janulis, R., O'Donoghue, D., Ogloza, W., Baran, A., Silvotti, R., Marinoni, S., Vauclair, G., Dolez, N., Chevreton, M., Dreizler, S., Schuh, S., Deetjen, J., Nagel, T., Solheim, J. -E., Perez, J. M. Gonzalez, Ulla, A., Barstow, Martin, Burleigh, M., Good, S., Metcalfe, T. S., Kim, S. -L., Lee, H., Sergeev, A., Akan, M. C., Çakirli, Ö., Paparo, M., Viraghalmy, G., Ashoka, B. N., Handler, G., Hürkal, Özlem, Johannessen, F., Kleinman, S. J., Kalytis, R., Krzesinski, J., Klumpe, E., Larrison, J., Lawrence, T., Meištas, E., Martinez, P., Nather, R. E., Fu, J. -N., Pakštienė, E., Romero-Colmenero, E., Riddle, R., Seetha, S., Silvestri, N. M., Vučković, M., Warner, B., Zola, S., Althaus, L. G., Córsico, A. H., Montgomery, M. H.
Publikováno v:
2008A&A...477..627
PG 1159-035, a pre-white dwarf with T_eff=140,000 K, is the prototype of both two classes: the PG1159 spectroscopic class and the DOV pulsating class. Previous studies of PG 1159-035 photometric data obtained with the Whole Earth Telescope (WET) show
Externí odkaz:
http://arxiv.org/abs/0711.2244
Autor:
Kepler, S. O., Nather, R. E., Winget, D. E., Nitta, A., Kleinman, S. J., Metcalfe, T., Sekiguchi, K., Xiaojun, J., Sullivan, D., Sullivan, T., Janulis, R., Meistas, E., Kalytis, R., Krzesinski, J., Ogloza, W., Zola, S., O'Donoghue, D., Romero-Colmenero, E., Martinez, P., Dreizler, S., Deetjen, J., Nagel, T., Schuh, S. L., Vauclair, G., Ning, Fu J., Chevreton, M., Solheim, J. -E., Perez, J. M. Gonzalez, Johannessen, F., Kanaan, A., Costa, J. E., Costa, A. F. M., Wood, M. A., Silvestri, N., Ahrens, T. J., Jones, A. K., Collins, A. E., Boyer, M., Shaw, J. S., Mukadam, A., Klumpe, E. W., Larrison, J., Kawaler, S., Riddle, R., Ulla, A., Bradley, P.
Publikováno v:
Astron.Astrophys. 401 (2003) 639-654
We report 323 hours of nearly uninterrupted time series photometric observations of the DBV star GD 358 acquired with the Whole Earth Telescope (WET) during May 23rd to June 8th, 2000. We acquired more than 232 000 independent measurements. We also r
Externí odkaz:
http://arxiv.org/abs/astro-ph/0301477
Autor:
Drechsel, H., Heber, U., Napiwotzki, R., Ostensen, R., Solheim, J. -E., Johannessen, F., Schuh, S. L., Deetjen, J., Zola, S.
We report the discovery of an eclipsing binary - HS 0705+6700 - being an sdB star with a faint companion. From its light curve the orbital period of 8263.87 s, the mass ratio of the system q = 0.28, the inclination of 84.4 deg and other system parame
Externí odkaz:
http://arxiv.org/abs/astro-ph/0110217
Autor:
Costa, J. E. S., Solheim, Jan Erik, Kepler, S. O., Winget, D. E., O’Brien, M. S., Kawaler, S. D., Costa, A. F. M., Giovannini, O., Kanaan, A., Mukadam, A. S., Mullally, F., Nitta, A., Provenc, J. L., Shipman, H., Wood, M. A., Ahrens, T. J., Grauer, A., Kilic, M., Bradley, P. A., Sekiguchi, K., Crowe, R., Jiang, X. J., Sullivan, D., Sullivan, T., Rosen, R., Clemens, J. C., Janulis, R., O’Donoghue, D., Ogloza, W., Baran, A., Silvotti, R., Marinoni, S., Vauclair, G., Dolez, N., Chevreton, M., Dreizler, S., Schuh, S., Deetjen, J., Nagel, T., Gonzalez Perez, J. M., Ulla, A., Barstow, Martin, Burleigh, M., Good, S., Metcalfe, T.S., Kim, S.-L., Lee, H., Sergeev, A., Akan, M.C., Çakırlı, Ö., Paparo, M., Viraghalmy, G., Ashoka, B. N., Handler, G., Hürkal, Özlem, Johannessen, F., Kleinman, S. J., Kalytis, R., Krzesinski, J., Klumpe, E., Larrison, J., Lawrence, T., Meištas, E., Martinez, P., Nather, R. E., Fu, J.-N., Pakštienė, E., Romero-Colmenero, E., Riddle, R., Seetha, S., Silvestri, N. M., Vučković, M., Warner, B., Zola, S., Althaus, L. G., Córsico, A. H., Montgomery, M. H.
Publikováno v:
Astronomy and Astrophysics, Volume 477, Issue 2, January II 2008, pp.627-640 (A&A Homepage) 10.1051/0004-6361:20053470
Externí odkaz:
https://hdl.handle.net/10037/1845
Autor:
Kurtz, D.W., Cameron, C., Cunha, M.S., Dolez, N., Vauclair, G., Pallier, E., Ulla, A., Kepler, S.O., Da Costa, A., Kanaan, A., Fraga, L., Giovannini, O., Wood, M.A., Silvestri, N., Kawaler, S.D., Riddle, R.L., Reed, M.D., Watson, T.K., Metcalfe, T.S., Mukadam, A., Nather, R.E., Winget, D.E., Nitta, A., Kleinman, S.J., Guzik, J.A., Bradley, P.A., Matthews, J.M., Sekiguchi, K., Sullivan, D.J., Sullivan, T., Shobbrook, R., Jiang, X., Birch, P.V., Ashoka, B.N., Seetha, S., Girish, V., Joshi, S., Moskalik, P., Zola, S., O'Donoghue, D., Handler, G., Mueller, M., Perez, J.M.G., Solheim, J.E., Johannessen, F., Bigot, Lionel
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2005, 358, pp.651-664
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2005, 358, pp.651-664
Monthly Notices of the Royal Astronomical Society, 358, pp. 651-664; International audience; HR 1217 is one of the best-studied rapidly oscillating Ap (roAp) stars, with a frequency spectrum of alternating even-and odd-f modes that are distorted by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d3e4602bb6a2d5eadd041ab9d7875e04
https://hal.archives-ouvertes.fr/hal-00388285
https://hal.archives-ouvertes.fr/hal-00388285
Autor:
Kepler, S. O., Nather, R. E., Winget, D. E., Nitta, A., Kleinman, S. J., Metcalfe, Travis S., Sekiguchi, Kazuhiro, Xiaojun, Jiang, Sullivan, D., Sullivan, T., Janulis, R., Meistas, E. G., Kalytis, R., Krzesinski, J., Ogoza, W., Zola, S., O'Donoghue, Darragh, Romero-Colmenero, E., Martinez, Patrice, Dreizler, Stefan, Deetjen, J., Nagel, T., Schuh, S. L., Vauclair, Gérard, Fu, J.-N., Chevreton, Michel, Solheim, J.-E., Gonzalez Perez, J. M., Johannessen, F., Kanaan, A., Costa, José Eduardo, Murillo Costa, A. F., Wood, M. A., Silvestri, N., Ahrens, T. J., Jones, A. Kyle, Collins, A. E., Boyer, M., Shaw, J. S., Mukadam, Anjum S., Klumpe, E. W., Larrison, J., Kawaler, Steven D., Riddle, R. L., Ulla, A., Bradley, P.
Publikováno v:
Baltic Astronomy
Baltic Astronomy, 2003, 12, pp.45-53
Baltic Astronomy, 2003, 12, pp.45-53
International audience
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2417::bb065784570911e593fa2d75be8262a0
https://hal.science/hal-03801299
https://hal.science/hal-03801299
Autor:
Kurtz, Donald W., Kawaler, Steven D., Riddle, Reed L., Reed, M. D., Cunha, Margarida S., Wood, Matthew A., Silvestri, Nicole M., Watson, Todd K., Dolez, Noël, Moskalik, Pawel, Zola, Staszek, Pallier, E., Guzik, Joyce Ann, Metcalfe, Travis S., Mukadam, Anjum Shagufta, Nather, R. Edward, Winget, Donald Earl, Sullivan, Denis J., Sullivan, Terry, Sekiguchi, Kazuhiro, Jiang, Xiaojun, Shobbrook, Robert R., Ashoka, B.N., Seetha, S., Joshi, Santosh, O'Donoghue, Darragh, Handler, Gerald, Mueller, M., Gonzalez Perez, Jose Miguel, Solheim, Jan-Eric, Johannessen, F., Ulla, Ana, Kepler, Souza Oliveira, Kanaan Neto, Antonio Nemer, Costa, Alex Fabiano Murillo da, Fraga, Luciano, Giovannini Junior, Odilon, Matthews, Jaymie M., WET collaboration
Publikováno v:
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
HR1217 is a prototypical rapidly oscillating Ap star that has presented a test to the theory of non-radial stellar pulsation. Prior observations showed a clear pattern of five modes with alternating frequency spacings of 33.3 and 34.6 μmHz, with a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::89c69a3060e6f8853061be161d7e06dd
This is the authors' manuscript We report the discovery of an eclipsing binary – HS 0705+6700 – being an sdB star with a faint companion. From its light curve the orbital period of 8263.87 s, the mass ratio of the system q = 0.28, the inclination
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c02764ff4a888edcb12078b1a5eac038
https://hdl.handle.net/10037/2040
https://hdl.handle.net/10037/2040