Zobrazeno 1 - 10
of 267
pro vyhledávání: '"Kawaler, S"'
Autor:
Townsend, R. H. D., Kawaler, S. D.
Publikováno v:
RNAAS, 7, 166 (023)
Kawaler et al. (1985) present a variational expression for the eigenfrequencies associated with stellar oscillations. We highlight and correct a typographical error in the weight functions appearing in these expressions, and validate the correction n
Externí odkaz:
http://arxiv.org/abs/2308.00785
Publikováno v:
A&A 674, A204 (2023)
Context. In 2020, a publication presented the first-light results for 18 known ZZ Ceti stars observed by the TESS space telescope during the first survey observations of the southern ecliptic hemisphere. However, in the meantime, new measurements hav
Externí odkaz:
http://arxiv.org/abs/2305.05246
Autor:
da Rosa, Gabriela Oliveira, Kepler, S. O., Córsico, Alejandro H., Costa, J. E. S., Hermes, J. J., Kawaler, S. D., Bell, Keaton J., Montgomery, M. H., Provencal, J. L., Winget, D. E., Handler, G., Dunlap, Bart, Clemens, J. C., Uzundag, Murat
PG 1159-035 is the prototype of the DOV hot pre-white dwarf pulsators. It was observed during the Kepler satellite K2 mission for 69 days in 59 s cadence mode and by the TESS satellite for 25 days in 20 s cadence mode. We present a detailed asterosei
Externí odkaz:
http://arxiv.org/abs/2208.04791
Autor:
Bognár, Zs., Kawaler, S. D., Bell, K. J., Schrandt, C., Baran, A. S., Bradley, P. A., Hermes, J. J., Charpinet, S., Handler, G., Mullally, S. E., Murphy, S. J., Raddi, R., Sódor, Á., Tremblay, P. -E., Uzundag, M., Zong, W.
Publikováno v:
A&A 638, A82 (2020)
Context. We present our findings on 18 formerly known ZZ Ceti stars observed by the TESS space telescope in 120s cadence mode during the survey observation of the southern ecliptic hemisphere. Aims. We focus on the frequency analysis of the space-bas
Externí odkaz:
http://arxiv.org/abs/2003.11481
Autor:
Charpinet, S., Brassard, P., Fontaine, G., Van Grootel, V., Zong, W., Giammichele, N., Heber, U., Bognár, Zs., Geier, S., Green, E. M., Hermes, J. J., Kilkenny, D., Østensen, R. H., Pelisoli, I., Silvotti, R., Telting, J. H., Vučković, M., Worters, H. L., Baran, A. S., Bell, K. J., Bradley, P. A., Debes, J. H., Kawaler, S. D., Kołaczek-Szymański, P., Murphy, S. J., Pigulski, A., Sódor, À., Uzundag, M., Handberg, R., Kjeldsen, H., Ricker, G. R., Vanderspek, R. K.
Publikováno v:
A&A 632, A90 (2019)
We present the discovery and asteroseismic analysis of a new g-mode hot B subdwarf (sdB) pulsator, EC 21494-7018 (TIC 278659026), monitored in TESS first sector using 120-second cadence. The light curve analysis reveals that EC 21494-7018 is a sdB pu
Externí odkaz:
http://arxiv.org/abs/1910.04234
Autor:
Schofield, M., Chaplin, W. J., Huber, D., Campante, T. L., Davies, G. R., Miglio, A., Ball, W. H., Appourchaux, T., Basu, S., Bedding, T. R., Christensen-Dalsgaard, J., Creevey, O., Garcia, R. A., Handberg, R., Kawaler, S. D., Kjeldsen, H., Latham, D. W., Lund, M. N., Metcalfe, T. S., Ricker, G. R., Serenelli, A., Aguirre, V. Silva, Stello, D., Vanderspek, R.
We present the target list of solar-type stars to be observed in short-cadence (2-min) for asteroseismology by the NASA Transiting Exoplanet Survey Satellite (TESS) during its 2-year nominal survey mission. The solar-like Asteroseismic Target List (A
Externí odkaz:
http://arxiv.org/abs/1901.10148
Autor:
Miglio, A., Chiappini, C., Mosser, B., Davies, G. R., Freeman, K., Girardi, L., Jofre, P., Kawata, D., Rendle, B. M., Valentini, M., Casagrande, L., Chaplin, W. J., Gilmore, G., Hawkins, K., Holl, B., Appourchaux, T., Belkacem, K., Bossini, D., Brogaard, K., Goupil, M. -J., Montalban, J., Noels, A., Anders, F., Rodrigues, T., Piotto, G., Pollacco, D., Rauer, H., Prieto, C. Allende, Avelino, P. P., Babusiaux, C., Barban, C., Barbuy, B., Basu, S., Baudin, F., Benomar, O., Bienayme, O., Binney, J., Bland-Hawthorn, J., Bressan, A., Cacciari, C., Campante, T. L., Cassisi, S., Christensen-Dalsgaard, J., Combes, F., Creevey, O., Cunha, M. S., de Jong, R. S., de Laverny, P., Degl'Innocenti, S., Deheuvels, S., Depagne, E., DeRidder, J., DiMatteo, P., Di Mauro, M. P., Dupret, M. -A., Eggenberger, P., Elsworth, Y., Famaey, B., Feltzing, S., Garcia, R. A., Gerhard, O., Gibson, B. K., Gizon, L., Haywood, M., Handberg, R., Heiter, U., Hekker, S., Huber, D., Ibata, R., Katz, D., Kawaler, S. D., Kjeldsen, H., Kurtz, D. W., Lagarde, N., Lebreton, Y., Lund, M. N., Majewski, S. R., Marigo, P., Martig, M., Mathur, S., Minchev, I., Morel, T., Ortolani, S., Pinsonneault, M. H., Plez, B., Moroni, P. G. Prada, Pricopi, D., Recio-Blanco, A., Reyle, C., Robin, A., Roxburgh, I. W., Salaris, M., Santiago, B. X., Schiavon, R., Serenelli, A., Sharma, S., Aguirre, V. Silva, Soubiran, C., Steinmetz, M., Stello, D., Strassmeier, K. G., Ventura, P., Ventura, R., Walton, N. A., Worley, C. C.
Deciphering the assembly history of the Milky Way is a formidable task, which becomes possible only if one can produce high-resolution chrono-chemo-kinematical maps of the Galaxy. Data from large-scale astrometric and spectroscopic surveys will soon
Externí odkaz:
http://arxiv.org/abs/1706.03778
Autor:
Lundkvist, M. S., Kjeldsen, H., Albrecht, S., Davies, G. R., Basu, S., Huber, D., Justesen, A. B., Karoff, C., Aguirre, V. Silva, Van Eylen, V., Vang, C., Arentoft, T., Barclay, T., Bedding, T. R., Campante, T. L., Chaplin, W. J., Christensen-Dalsgaard, J., Elsworth, Y. P., Gilliland, R. L., Handberg, R., Hekker, S., Kawaler, S. D., Lund, M. N., Metcalfe, T. S., Miglio, A., Rowe, J. F., Stello, D., Tingley, B., White, T. R.
Publikováno v:
Nature Communications, Volume 7, id. 11201 (2016)
Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photo-evaporation, which would present itself as a lack of these exoplanets. However, this absence in the exoplanet population has escaped a firm detection
Externí odkaz:
http://arxiv.org/abs/1604.05220
Autor:
Chaplin, W. J., Lund, M. N., Handberg, R., Basu, S., Buchhave, L. A., Campante, T. L., Davies, G. R., Huber, D., Latham, D. W., Latham, C. A., Serenelli, A., Antia, H. M., Appourchaux, T., Ball, W. H., Benomar, O., Casagrande, L., Christensen-Dalsgaard, J., Coelho, H. R., Creevey, O. L., Elsworth, Y., Garc, R. A., Gaulme, P., Hekker, S., Kallinger, T., Karoff, C., Kawaler, S. D., Kjeldsen, H., Lundkvist, M. S., Marcadon, F., Mathur, S., Miglio, A., Mosser, B., R, C., Roxburgh, I. W., Aguirre, V. Silva, Stello, D., Verma, K., White, T. R., Bedding, T. R., Barclay, T., Buzasi, D. L., Deheuvels, S., Gizon, L., Houdek, G., Howell, S. B., Salabert, D., Soderblom, D. R.
We present the first detections by the NASA K2 Mission of oscillations in solar-type stars, using short-cadence data collected during K2 Campaign\,1 (C1). We understand the asteroseismic detection thresholds for C1-like levels of photometric performa
Externí odkaz:
http://arxiv.org/abs/1507.01827
Autor:
Aguirre, V. Silva, Davies, G. R., Basu, S., Christensen-Dalsgaard, J., Creevey, O., Metcalfe, T. S., Bedding, T. R., Casagrande, L., Handberg, R., Lund, M. N., Nissen, P. E., Chaplin, W. J., Huber, D., Serenelli, A. M., Stello, D., Van Eylen, V., Campante, T. L., Elsworth, Y., Gilliland, R. L., Hekker, S., Karoff, C., Kawaler, S. D., Kjeldsen, H., Lundkvist, M. S.
We present a study of 33 {\it Kepler} planet-candidate host stars for which asteroseismic observations have sufficiently high signal-to-noise ratio to allow extraction of individual pulsation frequencies. We implement a new Bayesian scheme that is fl
Externí odkaz:
http://arxiv.org/abs/1504.07992