Zobrazeno 1 - 10
of 242
pro vyhledávání: '"Ashoka B"'
Autor:
Joshi, S., Semenko, E., Martinez, P., Sachkov, M., Joshi, Y. C., Seetha, S., Chakradhari, N. K., Mary, D. L., Girish, V., Ashoka, B. N.
In this paper we present a high-resolution spectroscopic analysis of the chemically peculiar star HD207561. During a survey programme to search for new roAp stars in the Northern hemisphere, Joshi et al. (2006) observed significant photometric variab
Externí odkaz:
http://arxiv.org/abs/1205.4805
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:
Joshi, Santosh, Mary, D. L., Martinez, Peter, Kurtz, D. W., Girish, V., Seetha, S., Sagar, Ram, Ashoka, B. N.
To search photometric variability in chemically peculiar A type stars in the northern hemisphere. High-speed photometric observations of Ap and Am star candidates have been carried out from ARIES (Manora Peak, Nainital) using a three-channel fast pho
Externí odkaz:
http://arxiv.org/abs/astro-ph/0605443
Autor:
Joshi, Santosh, Girish, V., Sagar, R., Kurtz, D. W., Martinez, P., Kumar, B., Seetha, S., Ashoka, B. N., Zhou, A.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 344 (2003) 431
The chemically peculiar (CP) stars HD 98851 and HD 102480 have been discovered to be unusual pulsators during the ``Naini Tal Cape Survey'' programme to search for pulsational variability in CP stars. Time series photometric and spectroscopic observa
Externí odkaz:
http://arxiv.org/abs/astro-ph/0305371
Autor:
Girish, V., Seetha, S., Martinez, P., Joshi, S., Ashoka, B. N., Kurtz, D. W., Chaubey, U. S., Gupta, S. K., Sagar, Ram
We present the analysis of 65 hours of high speed photometric observations of HD 12098 taken from State Observatory, Naini Tal and Gurushikhar Observatory, Mt.Abu on sixteen nights spanning from November 1999 to November 2000. HD 12098 is the first r
Externí odkaz:
http://arxiv.org/abs/astro-ph/0108382
Autor:
Ramadevi, M. C., Seetha, S., Bhattacharya, Dipankar, Ravishankar, B. T., Sitaramamurthy, N., Meena, G., Sharma, M. Ramakrishna, Kulkarni, Ravi, Babu, V. Chandra, Singh, Brajpal, Jain, Anand, Yadav, Reena, Vaishali, S., Ashoka, B. N., Agarwal, Anil, Balaji, K., Kumar, Manoj, Kulshresta, Prashanth, Agarwal, Pankaj, Sebastian, Mathew
Publikováno v:
Current Science, 2017 Aug . 113(4), 599-601.
Externí odkaz:
http://www.jstor.org/stable/26293895
Autor:
Kleinman, S. J., Nather, R. E., Winget, D. E., Clemens, J. C., Bradley, P. A., Kanaan, A., Provencal, J. L., Claver, C. F., Watson, T. K., Yanagida, K., Nitta, A., Dixson, J. S., Wood, M. A., Grauer, A. D., Hine, B. P., Fontaine, G., Liebert, James, Sullivan, D. J., Wickramasinghe, D. T., Marar, N. Achilleos. T. M. K., Seetha, S., Ashoka, B. N., Meistas, E., Leibowitz, E. M., Moskalik, P., Krzesinski, J., Solheim, J. -E., Bruvold, A., Kurtz, D. W., Warner, B., Martinez, Peter, Vauclair, G., Dolez, N., Chevreton, M., Barstow, M. A., Kepler, S. O., Giovannini, O., Augusteijn, T., Hansen, C. J., Kawaler, S. D.
Publikováno v:
Astrophys.J.495:424-434,1998
The white dwarfs are promising laboratories for the study of cosmochronology and stellar evolution. Through observations of the pulsating white dwarfs, we can measure their internal structures and compositions, critical to understanding post main seq
Externí odkaz:
http://arxiv.org/abs/astro-ph/9711123
Autor:
Ashoka B L
Publikováno v:
Emperor International Journal of Library and Information Technology Research. :01-05
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa7aa1464ee3f5f247c6cf66056b0c6f
https://doi.org/10.35337/eijlitr.2021.1201
https://doi.org/10.35337/eijlitr.2021.1201
Publikováno v:
In Journal of Forensic and Legal Medicine 2011 18(7):302-305
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