Search Results - "Shipman, H. L"

Evidence for Temperature Change and Oblique Pulsation from Light Curve Fits of the Pulsating White Dwarf GD 358 by Montgomery, M. H, Provencal, J. L, Kanaan, A, Mukadam, Anjum S, Thompson, S. E, Dalessio, J, Shipman, H. L, Winget, D. E, Kepler, S. O, Koester, D

“…Convective driving, the mechanism originally proposed by Brickhill for pulsating white dwarf stars, has gained general acceptance as the generic linear…”
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The pulsations of PG 1351+489 by Redaelli, M., Kepler, S. O., Costa, J. E. S., Winget, D. E., Handler, G., Castanheira, B. G., Kanaan, A., Fraga, L., Henrique, P., Giovannini, O., Provencal, J. L., Shipman, H. L., Dalessio, J., Thompson, S. E., Mullally, F., Brewer, M. M., Childers, D., Oksala, M. E., Rosen, R., Wood, M. A., Reed, M. D., Walter, B., Strickland, W., Chandler, D., Watson, T. K., Nather, R. E., Montgomery, M. H., Bischoff-Kim, A., Hansen, C. J., Nitta, A., Kleinman, S. J., Claver, C. F., Brown, T. M., Sullivan, D. J., Kim, S.-L., Chen, W.-P., Yang, M., Shih, C.-Y., Zhang, X., Jiang, X., Fu, J. N., Seetha, S., Ashoka, B. N., Marar, T. M. K., Baliyan, K. S., Vats, H. O., Chernyshev, A. V., Ibbetson, P., Leibowitz, E., Hemar, S., Sergeev, A. V., Andreev, M. V., Janulis, R., Meištas, E. G., Moskalik, P., Pajdosz, G., Baran, A., Winiarski, M., Zola, S., Ogloza, W., Siwak, M., Bognár, Zs, Solheim, J.-E., Sefako, R., Buckley, D., O'Donoghue, D., Nagel, T., Silvotti, R., Bruni, I., Fremy, J. R., Vauclair, G., Chevreton, M., Dolez, N., Pfeiffer, B., Barstow, M. A., Creevey, O. L., Kawaler, S. D., Clemens, J. C.

“…PG 1351+489 is one of the 20 DBVs - pulsating helium-atmosphere white dwarf stars - known and has the simplest power spectrum for this class of star, making it…”
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Procyon B: Outside the Iron Box by Provencal, J. L, Shipman, H. L, Koester, Detlev, Wesemael, F, Bergeron, P

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GD358: Three Decades of Observations for the In-depth Asteroseismology of a DBV Star by Bischoff-Kim, Agnès, Provencal, J. L., Bradley, P. A., Montgomery, M. H., Shipman, H. L., Harrold, Samuel T., Howard, B., Strickland, W., Chandler, D., Campbell, D., Arredondo, A., Linn, R., Russell, D. P., Doyle, D., Brickhouse, A., Peters, D., Kim, S.-L., Jiang, X. J., Mao, Y-N., Kusakin, A. V., Sergeev, A. V., Andreev, M., Velichko, S., Janulis, R., Pakstiene, E., Aliçavu, F., Horoz, N., Zola, S., Og oza, W., Koziel-Wierzbowska, D., Kundera, T., Jableka, D., Debski, B., Baran, A., Meingast, S., Nagel, T., Loebling, L., Heinitz, C., Hoyer, D., Bognár, Zs, Castanheira, B. G., Erdem, A.

“…We report on the analysis of 34 years of photometric observations of the pulsating helium atmosphere white dwarf GD358. The complete data set includes archival…”
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Testing the White Dwarf Mass-Radius Relation with Hipparcos by Provencal, J. L, Shipman, H. L, Høg, Erik, Thejll, P

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The Discovery of Oxygen-rich Chromospheres in Two Massive DQ White Dwarfs by Provencal, J. L, Shipman, H. L, MacDonald, James

“…We present HST observations of the massive DQ white dwarfs G227-5 and G35-26 in which we find the first clear evidence of chromospheric activity in cool field…”
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PERIODIC VARIATIONS IN THE O – C DIAGRAMS OF FIVE PULSATION FREQUENCIES OF THE DB WHITE DWARF EC 20058–5234 by Dalessio, J, Sullivan, D J, Provencal, J L, Shipman, H L, Sullivan, T, Kilkenny, D, Fraga, L, Sefako, R

“…Variations in the pulsation arrival time of five independent pulsation frequencies of the DB white dwarf EC 20058-5234 individually imitate the effects of…”
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EMPIRICAL DETERMINATION OF CONVECTION PARAMETERS IN WHITE DWARFS. I. WHOLE EARTH TELESCOPE OBSERVATIONS OF EC14012-1446 by Provencal, J L, Montgomery, M H, Kanaan, A, Thompson, S E, Dalessio, J, Shipman, H L, Childers, D, Clemens, J C, Rosen, R, Henrique, P

“…We report on an analysis of 308.3 hr of high-speed photometry targeting the pulsating DA white dwarf EC14012-1446. The data were acquired with the Whole Earth…”
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Carbon and Hydrogen in Hot DB White Dwarfs by Provencal, J. L, Shipman, H. L, Thejll, P, Vennes, Stéphane

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2006 Whole Earth Telescope Observations of GD358: A New Look at the Prototype DBV by Provencal, J. L, Montgomery, M. H, Kanaan, A, Shipman, H. L, Childers, D, Baran, A, Kepler, S. O, Reed, M, Zhou, A, Eggen, J, Watson, T. K, Winget, D. E, Thompson, S. E, Riaz, B, Nitta, A, Kleinman, S. J, Crowe, R, Slivkoff, J, Sherard, P, Purves, N, Binder, P, Knight, R, Kim, S. -L, Chen, Wen-Ping, Yang, M, Lin, H. C, Lin, C. C, Chen, C. W, Jiang, X. J, Sergeev, A. V, Mkrtichian, D, Andreev, M, Janulis, R, Siwak, M, Zola, S, Koziel, D, Stachowski, G, Paparo, M, Bognar, Zs, Handler, G, Lorenz, D, Steininger, B, Beck, P, Nagel, T, Kusterer, D, Hoffman, A, Reiff, E, Kowalski, R, Vauclair, G, Charpinet, S, Chevreton, M, Solheim, J. E, Pakstiene, E, Fraga, L, Dalessio, J

“…We report on the analysis of 436.1 hr of nearly continuous high-speed photometry on the pulsating DB white dwarf GD358 acquired with the Whole Earth Telescope…”
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The Mass and Radius of 40 Eridani B from HIPPARCOS: An Accurate Test of Stellar Interior Theory by Shipman, H. L, Provencal, J. L, Høg, Erik, Thejll, P

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Wide Field Planetary Camera 2 Photometry of the Bright, Mysterious White Dwarf Procyon B by Provencal, J. L, Shipman, H. L, Wesemael, F, Bergeron, P, Bond, H. E, Liebert, James, Sion, E. M

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The temperature of the hot DB GD 190 by Provencal J. L., Shipman H. L.

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A spectrophotometric study of the emission lines in the quiescent dwarf nova Z Chamaeleontis by MARSH, T. R, HORNE, K, SHIPMAN, H. L

“…We present time-resolved echelle spectrophotometry of Z Cha covering the Balmer series over 2.5 binary orbits and three eclipses. Broad absorption wings…”
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HST observations of carbon and hydrogen in DB white dwarfs by Provencal J. L., Shipman H. L.

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EMPIRICAL DETERMINATION OF CONVECTION PARAMETERS IN WHITE DWARFS. I. WHOLE EARTH TELESCOPE OBSERVATIONS OF EC14012-1446 by PROVENCAL, J. L, MONTGOMERY, M. H, BISCHOFF-KIM, A, STRICKLAND, W, CHANDLER, D, WALTER, B, WATSON, T. K, CASTANHEIRA, B, WANG, S, HANDLER, G, WOOD, M, VENNES, S, KANAAN, A, NEMETH, P, KEPLER, S. O, REED, M, NITTA, A, KLEINMAN, S. J, BROWN, T, KIM, S.-L, SULLIVAN, D, CHEN, W. P, YANG, M, THOMPSON, S. E, SHIH, C. Y, JIANG, X. J, SERGEEV, A. V, MAKSIM, A, JANULIS, R, BALIYAN, K. S, VATS, H. O, ZOLA, S, BARAN, A, WINIARSK, M, DALESSIO, J, OGLOZA, W, PAPARO, M, BOGNAR, Z, PAPICS, P, KILKENNY, D, SEFAKO, R, BUCKLEY, D, LOARING, N, KNIAZEV, A, SILVOTTI, R, SHIPMAN, H. L, GALLETI, S, NAGEL, T, VAUCLAIR, G, DOLEZ, N, FREMY, J. R, PEREZ, J, ALMENARA, J. M, FRAGA, L, CHILDERS, D, CLEMENS, J. C, ROSEN, R, HENRIQUE, P

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Diversity of Students' Views about Evidence, Theory, and the Interface between Science and Religion in an Astronomy Course by Brickhouse, Nancy W., Dagher, Zoubeida R., Letts IV, William J., Shipman, Harry L.

“…Arguments for teaching about the nature of science have been made for several decades. The most recent science education policy documents continue to assert…”
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BUTTERFLY STATISTICS, ASTRONOMICAL SURVEYS, AND THE DISCOVERY OF NEW CLASSES OF OBJECTS by THEJLL, PETER, SHIPMAN, H. L.

“…It is possible to calculate how many new "species" one expects to find when resampling a previously sampled population. By applying the statistical method of…”
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THE EFFECTIVE TEMPERATURE OF THE WHITE-DWARF STAR AND ZZ CETI CANDIDATE WOLF 485A by DIGEL, SETH W., SHIPMAN, HARRY L.

“…Previous multichannel observations of W485A (WD 1327-08) have placed it in the "instability strip," the effective temperature range 11,000 K-13,000 K. In the…”
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GD358: three decades of observations for the in-depth asteroseismology of a DBV star by Bischoff-Kim, Agnes, Provencal, J. L, Bradley, P. A, Montgomery, M. H, Shipman, H. L, Harrold, Samuel T, Howard, B, Strickland, W, Chandler, D, Campbell, D, Arredondo, A, Linn, R, Russell, D. P, Doyle, D, Brickhouse, A, Peters, D, Kim, S. -L, Jiang, X. J, Mao, Y-N, Kusakin, A. V, Sergeev, A. V, Andreev, M, Velichko, S, Janulis, R, Pakstiene, E, Alicavus, F, Horoz, N, Zola, S, Ogloza, W, Koziel-Wierzbowska, D, Kundera, T, Jableka, D, Debski, B, Baran, A, Meingast, S, Nagel, T, Loebling, L, Heinitz, C, Hoyer, D, Bognar, Zs, Castanheira, B. G

“…We report on the analysis of 34 years of photometric observations of the pulsating helium atmosphere white dwarf GD358. The complete data set includes archival…”
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