Search Results - "Thompson, I. B."

A distance to the Large Magellanic Cloud that is precise to one per cent by Pietrzyński, G., Graczyk, D., Gallenne, A., Gieren, W., Thompson, I. B., Pilecki, B., Karczmarek, P., Górski, M., Suchomska, K., Taormina, M., Zgirski, B., Wielgórski, P., Kołaczkowski, Z., Konorski, P., Villanova, S., Nardetto, N., Kervella, P., Bresolin, F., Kudritzki, R. P., Storm, J., Smolec, R., Narloch, W.

“…In the era of precision cosmology, it is essential to determine the Hubble constant empirically with an accuracy of one per cent or better 1 . At present, the…”
Get full text

An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent by Pietrzyński, G., Graczyk, D., Gieren, W., Thompson, I. B., Pilecki, B., Udalski, A., Soszyński, I., Kozłowski, S., Konorski, P., Suchomska, K., Bono, G., Moroni, P. G. Prada, Villanova, S., Nardetto, N., Bresolin, F., Kudritzki, R. P., Storm, J., Gallenne, A., Smolec, R., Minniti, D., Kubiak, M., Szymański, M. K., Poleski, R., Wyrzykowski, Ł., Ulaczyk, K., Pietrukowicz, P., Górski, M., Karczmarek, P.

“…Observations of eight long-period, late-type eclipsing-binary systems composed of cool, giant stars are used to determine a distance to the Large Magellanic…”
Get full text

The dynamical mass of a classical Cepheid variable star in an eclipsing binary system by Pietrzyński, G., Thompson, I. B., Gieren, W., Graczyk, D., Bono, G., Udalski, A., Soszyński, I., Minniti, D., Pilecki, B.

“…Cepheid variable mass Cepheid variable stars have been important in the development of modern astrophysics through their use in establishing cosmic distances,…”
Get full text

Circumstellar material in type Ia supernovae via sodium absorption features by Sternberg, A, Gal-Yam, A, Simon, J D, Leonard, D C, Quimby, R M, Phillips, M M, Morrell, N, Thompson, I B, Ivans, I, Marshall, J L, Filippenko, A V, Marcy, G W, Bloom, J S, Patat, F, Foley, R J, Yong, D, Penprase, B E, Beeler, D J, Allende Prieto, C, Stringfellow, G S

“…Type Ia supernovae are key tools for measuring distances on a cosmic scale. They are generally thought to be the thermonuclear explosion of an accreting white…”
Get full text

ASASSN-15lh: A highly super-luminous supernova by Dong, Subo, Shappee, B. J., Prieto, J. L., Jha, S. W., Stanek, K. Z., Holoien, T. W.-S., Kochanek, C. S., Thompson, T. A., Morrell, N., Thompson, I. B., Basu, U., Beacom, J. F., Bersier, D., Brimacombe, J., Brown, J. S., Bufano, F., Chen, Ping, Conseil, E., Danilet, A. B., Falco, E., Grupe, D., Kiyota, S., Masi, G., Nicholls, B., E, F. Olivares, Pignata, G., Pojmanski, G., Simonian, G. V., Szczygiel, D. M., Woźniak, P. R.

“…We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an…”
Get full text

Toward Early-type Eclipsing Binaries as Extragalactic Milestones. III. Physical Properties of the O-type Eclipsing Binary OGLE LMC-ECL-21568 in a Quadruple System by Taormina, Mónica, Kudritzki, R.-P., Pilecki, B., Pietrzyński, G., Thompson, I. B., Puls, J., Górski, M., Zgirski, B., Graczyk, D., Gieren, W., Hajdu, G.

“…Abstract We present the results from a complex study of an eclipsing O-type binary (Aa+Ab) with the orbital period of  P A = 3.2254367 days that forms part of…”
Get full text

RR-Lyrae-type pulsations from a 0.26-solar-mass star in a binary system by Pietrzyński, G., Thompson, I. B., Gieren, W., Graczyk, D., Stępień, K., Bono, G., Moroni, P. G. Prada, Pilecki, B., Udalski, A., Soszyński, I., Preston, G. W., Nardetto, N., McWilliam, A., Roederer, I. U., Górski, M., Konorski, P., Storm, J.

“…The pulsating star OGLE-BLG-RRLYR-02792 is known to be a member of an eclipsing binary system, and its mass is now determined to be only 0.26 times that of the…”
Get full text

ON THE EVOLUTIONARY AND PULSATION MASS OF CLASSICAL CEPHEIDS. III. THE CASE OF THE ECLIPSING BINARY CEPHEID CEP0227 IN THE LARGE MAGELLANIC CLOUD by PRADA MORONI, P. G, GENNARO, M, BONO, G, PIETRZYNSKI, G, GIEREN, W, PILECKI, B, GRACZYK, D, THOMPSON, I. B

“…We present a new Bayesian approach to constrain the intrinsic parameters (stellar mass and age) of the eclipsing binary system-CEP0227-in the Large Magellanic…”
Get full text

An Intermediate Luminosity Transient in NGC 300: The Eruption of a Dust-Enshrouded Massive Star by Berger, E, Soderberg, A. M, Chevalier, R. A, Fransson, C, Foley, R. J, Leonard, D. C, Debes, J. H, Diamond-Stanic, A. M, Dupree, A. K, Ivans, I. I, Simmerer, J, Thompson, I. B, Tremonti, C. A

“…We present multi-epoch high-resolution optical spectroscopy, UV/radio/X-ray imaging, and archival Hubble and Spitzer observations of an intermediate luminosity…”
Get full text

A proper motion study of the globular cluster M55 by Zloczewski, K., Kaluzny, J., Thompson, I. B.

“…We have derived the absolute proper motion (PM) of the globular cluster M55 using a large set of CCD images collected with the du Pont telescope between 1997…”
Get full text

Cluster AgeS Experiment (CASE): deficiency of observed dwarf novae in globular clusters by Pietrukowicz, P., Kaluzny, J., Schwarzenberg-Czerny, A., Thompson, I. B., Pych, W., Krzeminski, W., Mazur, B.

“…We present the results of a search for dwarf novae (DNe) in globular clusters (GCs). It is based on the largest available homogeneous sample of observations,…”
Get full text

Astronomy. ASASSN-15lh: A highly super-luminous supernova by Dong, Subo, Shappee, B J, Prieto, J L, Jha, S W, Stanek, K Z, Holoien, T W-S, Kochanek, C S, Thompson, T A, Morrell, N, Thompson, I B, Basu, U, Beacom, J F, Bersier, D, Brimacombe, J, Brown, J S, Bufano, F, Chen, Ping, Conseil, E, Danilet, A B, Falco, E, Grupe, D, Kiyota, S, Masi, G, Nicholls, B, Olivares E, F, Pignata, G, Pojmanski, G, Simonian, G V, Szczygiel, D M, Woźniak, P R

“…We report the discovery of ASASSN-15lh (SN 2015L), which we interpret as the most luminous supernova yet found. At redshift z = 0.2326, ASASSN-15lh reached an…”
Get full text

Photometric study of the variable star population in the globular cluster NGC 6397 by Kaluzny, J., Thompson, I. B., Krzeminski, W., Schwarzenberg-Czerny, A.

“…We present the results of a photometric survey for variable stars in the central region of the nearby globular cluster NGC 6397. Time-series photometry was…”
Get full text

Variable stars in the field of the old open cluster Melotte 66 by Zloczewski, K., Kaluzny, J., Krzeminski, W., Olech, A., Thompson, I. B.

“…We report the results of photometric monitoring of the Melotte 66 field in BVI filters. 10 variables were identified with nine being new discoveries. The…”
Get full text

The Cluster AgeS Experiment (CASE) – VIII. Age and distance of the Globular Cluster 47 Tuc from the analysis of two detached eclipsing binaries by Thompson, I B, Udalski, A, Dotter, A, Rozyczka, M, Schwarzenberg-Czerny, A, Pych, W, Beletsky, Y, Burley, G S, Marshall, J L, McWilliam, A, Morrell, N, Osip, D, Monson, A, Persson, S E, Szymański, M K, Soszyński, I, Poleski, R, Ulaczyk, K, Wyrzykowski, Ł, Kozłowski, S, Mróz, P, Pietrukowicz, P, Skowron, J

“…ABSTRACT We use photometric and spectroscopic observations of the eclipsing binary E32 in the globular cluster 47 Tuc to derive the masses, radii, and…”
Get full text

The loudest stellar heartbeat: characterizing the most extreme amplitude heartbeat star system by Jayasinghe, T, Kochanek, C S, Strader, J, Stanek, K Z, Vallely, P J, Thompson, Todd A, Hinkle, J T, Shappee, B J, Dupree, A K, Auchettl, K, Chomiuk, L, Aydi, E, Dage, K, Hughes, A, Shishkovsky, L, Sokolovsky, K V, Swihart, S, Voggel, K T, Thompson, I B

“…ABSTRACT We characterize the extreme heartbeat star system MACHO 80.7443.1718 in the Large Magellanic Cloud using Transiting Exoplanet Survey Satellite (TESS)…”
Get full text

The Cluster Ages Experiment (CASE) – IX. Analysis of four detached eclipsing binaries in the globular cluster NGC 3201 by Rozyczka, M, Thompson, I B, Dotter, A, Mazur, B, Narloch, W, Pych, W, Hełminiak, K G, Moharana, A, Beletsky, Y, Burley, G S, Marshall, J L, Morrell, N, Osip, D, Shectman, S A, Bernstein, R, Pilecki, B, Zgirski, B

“…ABSTRACT We use photometric and spectroscopic observations of four detached eclipsing binaries in the globular cluster NGC 3201 to derive masses, radii, and…”
Get full text

Cluster Ages Experiment (CASE): Detection of a dwarf nova in the globular cluster M55 by Kaluzny, J., Pietrukowicz, P., Thompson, I. B., Krzeminski, W., Schwarzenberg-Czerny, A., Pych, W., Stachowski, G.

“…We report the detection of a dwarf nova (DN) in the core region of the globular cluster M55. Six outbursts were observed during eight observing seasons…”
Get full text

Physical parameters and the projection factor of the classical Cepheid in the binary system OGLE-LMC-CEP-0227 by Pilecki, B., Graczyk, D., Pietrzy ski, G., Gieren, W., Thompson, I. B., Freedman, W. L., Scowcroft, V., Madore, B. F., Udalski, A., Soszy ski, I., Konorski, P., Smolec, R., Nardetto, N., Bono, G., Prada Moroni, P. G., Storm, J., Gallenne, A.

“…A novel method of analysis of double-lined eclipsing binaries containing a radially pulsating star is presented. The combined pulsating-eclipsing light curve…”
Get full text

Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf by Anglada-Escudé, G., Arriagada, P., Tuomi, M., Zechmeister, M., Jenkins, J. S., Ofir, A., Dreizler, S., Gerlach, E., Marvin, C. J., Reiners, A., Jeffers, S. V., Butler, R. P., Vogt, S. S., Amado, P. J., Rodríguez-López, C., Berdiñas, Z. M., Morin, J., Crane, J. D., Shectman, S. A., Thompson, I. B., Díaz, M., Rivera, E., Sarmiento, L. F., Jones, H. R. A.

“…Exoplanets of a few Earth masses can be now detected around nearby low-mass stars using Doppler spectroscopy. In this Letter, we investigate the radial…”
Get full text