Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Ashoka B"'
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:
Reed M. D., Kilkenny D., Kawaler S. D., Mukadam A., Kleinman S. J., Nitta-Kleinman A., Provencal J. L., Watson T., Sullivan D., Sullivan T., Shobbrook B., Jiang X. J., Ashoka B. N., Seetha S., Leibowitz E., Ibbetson P., Mendelson H., Meistas E. G., Kalytis R., Alisauskas D., O'Donoghue D., Martinez P., Wyk F. van, Stobie R., Marang F., Zola S., Krzesinski J., Ogloza W., Mosaklik P., Silvotti R., Piccioni A., Vauclair G., Dolez N., Rene-Fremy J., Chevreton M., Ulla A., Dreizler S., Schuh S., Deetjen J., Solheim J. E., Perez J., Suarez O., Manteiga M., Burleigh M., Barstow M., Kepler S. O., Kanaan A., Giovannini O., Metcalfe T., Ostensen R.
Publikováno v:
Open Astronomy, Vol 9, Iss 2, Pp 183-196 (2000)
Externí odkaz:
https://doaj.org/article/f42f34d7ff6d4a258bcb3310c4f4ac0d
Autor:
Marar Τ. Μ. K., Seetha S., Ashoka B. N., Kasturirangan K., Mahra H. S., Bhattacharyya J. C., Leibowitz Ε. M., Hemar S., Mendelson H., Ibbetson P. A., O’Donoghue D., Buckley D. A. H., Βreger M., Handler G., Sperl M., Serkowitsch E., Reegen P., Moskalik P., Zola S., Pajdosz G., Krzesinski J., Silvotti R., Vauclair G., Dolez N., Solheim J. E., Pfeiffer B., Kepler S. O., Kanaan A., Provencal J., Kawaler S. D., O'Brien M. S., Nather R. E., Winget D. E., Kleinman S., Nitta A., Bradley P. A., Guzik J. A., Clemens C., Sullivan D. J., Jiang X.
Publikováno v:
Open Astronomy, Vol 7, Iss 2, Pp 287-292 (1998)
Externí odkaz:
https://doaj.org/article/f0267597886441339ee2f98870c6d1c7
Autor:
Vauclair G., Moskalik P., Pfeiffer B., Chevreton M., Dolez N., Serre B., Kleinman S. J., Sansom A. E., Solheim J.-E., Belmonte J. A., Barstow M. A., Kepler S.O., Kanaan A., Winget D.E., Watson T. K., Nather R. E., Clemens J. C., Provencal J. L., Grauer A. D., Bradley P. A., Yang Jian Shi, Marar T. M. K., Ashoka B. N., Meištas E., Chernyshev A. V., Matzeh T., Leibowitz E. M., Krzesiński J., Pajdosz G., Zoła S.
Publikováno v:
Open Astronomy, Vol 7, Iss 1, Pp 99-104 (1998)
Externí odkaz:
https://doaj.org/article/633f04e265bc4fdc8ed6c95c2998ce5f
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