Search Results - "HENTUNEN, V. P"

A massive binary black-hole system in OJ 287 and a test of general relativity by Valtonen, M. J, Lehto, H. J, Nilsson, K, Heidt, J, Takalo, L. O, Sillanpää, A, Villforth, C, Kidger, M, Poyner, G, Pursimo, T, Zola, S, Wu, J.-H, Zhou, X, Sadakane, K, Drozdz, M, Koziel, D, Marchev, D, Ogloza, W, Porowski, C, Siwak, M, Stachowski, G, Winiarski, M, Hentunen, V.-P, Nissinen, M, Liakos, A, Dogru, S

“…Tests of Einstein's general theory of relativity have mostly been carried out in weak gravitational fields where the space-time curvature effects are…”
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A low-energy core-collapse supernova without a hydrogen envelope by Ferrando, R, Turatto, M, Pastorello, A, Nissinen, M, Manteca, J, Benetti, S, Elias-Rosa, N, Harutyunyan, A, Pian, E, Cappellaro, E, Taubenberger, S, Zampieri, L, Mazzali, P. A, Valenti, S, Smartt, S. J, Hentunen, V. P

“…The final fate of massive stars depends on many factors. Theory suggests that some with initial masses greater than 25 to 30 solar masses end up as Wolf-Rayet…”
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Discovery of a young low-mass brown dwarf transiting a fast-rotating F-type star by the Galactic Plane eXoplanet (GPX) survey by Benni, P, Burdanov, A Y, Krushinsky, V V, Bonfanti, A, Hébrard, G, Almenara, J M, Dalal, S, Demangeon, O D S, Tsantaki, M, Pepper, J, Stassun, K G, Vanderburg, A, Belinski, A, Kashaev, F, Barkaoui, K, Kim, T, Kang, W, Antonyuk, K, Dyachenko, V V, Rastegaev, D A, Beskakotov, A, Mitrofanova, A A, Pozuelos, F J, Kuznetsov, E D, Popov, A, Kiefer, F, Wilson, P A, Ricker, G, Vanderspek, R, Latham, D W, Seager, S, Jenkins, J M, Sokov, E, Sokova, I, Marchini, A, Papini, R, Salvaggio, F, Banfi, M, Baştürk, Ö, Torun, Ş, Yalçınkaya, S, Ivanov, K, Valyavin, G, Jehin, E, Gillon, M, Pakštienė, E, Hentunen, V-P, Shadick, S, Bretton, M, Wünsche, A, Garlitz, J, Jongen, Y, Molina, D, Girardin, E, Grau Horta, F, Naves, R, Benkhaldoun, Z, Joner, M D, Spencer, M, Bieryla, A, Stevens, D J, Jensen, E L N, Collins, K A, Charbonneau, D, Quintana, E V, Mullally, S E, Henze, C E

“…ABSTRACT We announce the discovery of GPX-1 b, a transiting brown dwarf with a mass of 19.7 ± 1.6 MJup and a radius of 1.47 ± 0.10 RJup, the first substellar…”
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SN 2009N: linking normal and subluminous Type II-P SNe by Takáts, K., Pumo, M. L., Elias-Rosa, N., Pastorello, A., Pignata, G., Paillas, E., Zampieri, L., Anderson, J. P., Vinkó, J., Benetti, S., Botticella, M.-T., Bufano, F., Campillay, A., Cartier, R., Ergon, M., Folatelli, G., Foley, R. J., Förster, F., Hamuy, M., Hentunen, V.-P., Kankare, E., Leloudas, G., Morrell, N., Nissinen, M., Phillips, M. M., Smartt, S. J., Stritzinger, M., Taubenberger, S., Valenti, S., Van Dyk, S. D., Haislip, J. B., LaCluyze, A. P., Moore, J. P., Reichart, D.

“…We present ultraviolet, optical, near-infrared photometry and spectroscopy of SN 2009N in NGC 4487. This object is a Type II-P supernova with spectra…”
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The bright Type IIP SN 2009bw, showing signs of interaction by Inserra, C., Turatto, M., Pastorello, A., Pumo, M. L., Baron, E., Benetti, S., Cappellaro, E., Taubenberger, S., Bufano, F., Elias-Rosa, N., Zampieri, L., Harutyunyan, A., Moskvitin, A. S., Nissinen, M., Stanishev, V., Tsvetkov, D. Y., Hentunen, V. P., Komarova, V. N., Pavlyuk, N. N., Sokolov, V. V., Sokolova, T. N.

“…We present photometry and spectroscopy of the Type IIP supernova (SN IIP) 2009bw in UGC 2890 from a few days after the outburst to 241 d. The light curve of SN…”
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The nature of supernovae 2010O and 2010P in Arp 299 - I. Near-infrared and optical evolution by Kankare, E., Mattila, S., Ryder, S., Fraser, M., Pastorello, A., Elias-Rosa, N., Romero-Cañizales, C., Alberdi, A., Hentunen, V.-P., Herrero-Illana, R., Kotilainen, J., Pérez-Torres, M.-A., Väisänen, P.

“…We present near-infrared and optical photometry, plus optical spectroscopy of two stripped-envelope supernovae (SNe) 2010O and 2010P that exploded in two…”
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Tidally Induced Outbursts in OJ 287 during 2005-2008 by Valtonen, M. J, Nilsson, K, Villforth, C, Lehto, H. J, Takalo, L. O, Lindfors, E, Sillanpää, A, Hentunen, V.-P, Mikkola, S, Zola, S, Drozdz, M, Koziel, D, Ogloza, W, Kurpinska-Winiarska, M, Siwak, M, Winiarski, M, Heidt, J, Kidger, M, Pursimo, T, Wu, J.-H, Zhou, X, Sadakane, K, Marchev, D, Nissinen, M, Niarchos, P, Liakos, A, Gazeas, K, Dogru, S, Poyner, G, Dietrich, M, Assef, R, Atlee, D, Bird, J, DePoy, D, Eastman, J, Peeples, M, Prieto, J, Watson, L, Yee, J, Mattingly, A, Ohlert, J

“…The blazar OJ 287 has produced two major optical outburst events during the years 2005-2008. These are the latest in a series of outbursts that have occurred…”
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Ephemeris Updates for Seven Selected Hatnet Survey Transiting Exoplanets by Poro, A., Farahani, F. A., Jahangiri, E., Sarostad, A., Gozarandi, M., Haghgou, M., Abolhassani, F., Fakhrabadi, A., Jongen, Y., Wünsche, A., Naves, R, Guerra, P., Marchini, A., Salisbury, M., Ehrenberger, R., Hentunen, V-P.

“…We refined the ephemeris of seven transiting exoplanets HAT-P-6b, HAT-P-12b, HAT-P-18b, HAT-P-22b, HAT-P-32b, HAT-P-33b, and HAT-P-52b. We observed 11 transits…”
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Asteroid shape and spin statistics from convex models by Torppa, J., Hentunen, V.-P., Pääkkönen, P., Kehusmaa, P., Muinonen, K.

“…We introduce techniques for characterizing convex shape models of asteroids with a small number of parameters, and apply these techniques to a set of 87 models…”
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Variability and stability in blazar jets on time-scales of years: optical polarization monitoring of OJ 287 in 2005–2009 by Villforth, C., Nilsson, K., Heidt, J., Takalo, L. O., Pursimo, T., Berdyugin, A., Lindfors, E., Pasanen, M., Winiarski, M., Drozdz, M., Ogloza, W., Kurpinska-Winiarska, M., Siwak, M., Koziel-Wierzbowska, D., Porowski, C., Kuzmicz, A., Krzesinski, J., Kundera, T., Wu, J.-H., Zhou, X., Efimov, Y., Sadakane, K., Kamada, M., Ohlert, J., Hentunen, V.-P., Nissinen, M., Dietrich, M., Assef, R. J., Atlee, D. W., Bird, J., DePoy, D. L., Eastman, J., Peeples, M. S., Prieto, J., Watson, L., Yee, J. C., Liakos, A., Niarchos, P., Gazeas, K., Dogru, S., Donmez, A., Marchev, D., Coggins-Hill, S. A., Mattingly, A., Keel, W. C., Haque, S., Aungwerojwit, A., Bergvall, N.

“…OJ 287 is a BL Lac object at redshift z= 0.306 that has shown double-peaked bursts at regular intervals of ∼12 yr during the last ∼40 yr. We analyse optical…”
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Homogeneously derived transit timings for 17 exoplanets and reassessed TTV trends for WASP-12 and WASP-4 by Baluev, R V, Sokov, E N, Jones, H R A, Shaidulin, V Sh, Sokova, I A, Nielsen, L D, Benni, P, Schneiter, E M, Villarreal D’Angelo, C, Fernández-Lajús, E, Di Sisto, R P, Baştürk, Ö, Bretton, M, Wunsche, A, Hentunen, V-P, Shadick, S, Jongen, Y, Kang, W, Kim, T, Pakštienė, E, Qvam, J K T, Knight, C R, Guerra, P, Marchini, A, Salvaggio, F, Papini, R, Evans, P, Salisbury, M, Garcia, F, Molina, D, Garlitz, J, Esseiva, N, Ogmen, Y, Karavaev, Yu, Rusov, S, Ibrahimov, M A, Karimov, R G

“…ABSTRACT We homogeneously analyse ∼3.2 × 105 photometric measurements for ∼1100 transit light curves belonging to 17 exoplanet hosts. The photometric data…”
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A massive binary black-hole system in OJ287 and a test of general relativity by Valtonen, M.J, Lehto, H.J, Nilsson, K, Heidt, J, Takalo, L.O, Sillanpaa, A, Villforth, C, Kidger, M, Poyner, G, Pursimo, T, Zola, S, Wu, J.-H, Zhou, X, Sadakane, K, Drozdz, M, Koziel, D, Marchev, D, Ogloza, W, Porowski, C, Siwak, M, Stachowski, G, Winiarski, M, Hentunen, V.-P, Nissinen, M, Liakos, A, Dogru, S

“…Tests of Einstein's general theory of relativity have mostly been carried out in weak gravitational fields where the space-time curvature effects are…”
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Massive search of spot- and facula-crossing events in 1598 exoplanetary transit lightcurves by Baluev, R. V, Sokov, E. N, Sokova, I. A, Shaidulin, V. Sh, Veselova, A. V, Aitov, V. N, Mitiani, G. Sh, Valeev, A. F, Gadelshin, D. R, Gutaev, A. G, Beskin, G. M, Valyavin, G. G, Antonyuk, K, Barkaoui, K, Gillon, M, Jehin, E, Delrez, L, Guðmundsson, S, Dale, H. A, Fernández-Lajús, E, Di Sisto, R. P, Bretton, M, Wunsche, A, Hentunen, V. -P, Shadick, S, Jongen, Y, Kang, W, Kim, T, Pakštienė, E, Qvam, J. K. T, Knight, C. R, Guerra, P, Marchini, A, Salvaggio, F, Papini, R, Evans, P, Salisbury, M, Garlitz, J, Esseiva, N, Ogmen, Y, Bosch-Cabot, P, Selezneva, A, Hinse, T. C

“…Acta Astronomica, 2021, Vol. 71, No. 1, pp. 25-53 We developed a dedicated statistical test for a massive detection of spot- and facula-crossing anomalies in…”
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Variability and stability in blazar jets on time-scales of years: optical polarization monitoring of OJ 287 in 2005-2009 by Villforth, C., Nilsson, K., Heidt, J., Takalo, L. O., Pursimo, T., Berdyugin, A., Lindfors, E., Pasanen, M., Winiarski, M., Drozdz, M., Ogloza, W., Kurpinska-Winiarska, M., Siwak, M., Koziel-Wierzbowska, D., Porowski, C., Kuzmicz, A., Krzesinski, J., Kundera, T., Wu, J.-H., Zhou, X., Efimov, Y., Sadakane, K., Kamada, M., Ohlert, J., Hentunen, V.-P., Nissinen, M., Dietrich, M., Assef, R. J., Atlee, D. W., Bird, J., DePoy, D. L., Eastman, J., Peeples, M. S., Prieto, J., Watson, L., Yee, J. C., Liakos, A., Niarchos, P., Gazeas, K., Dogru, S., Donmez, A., Marchev, D., Coggins-Hill, S. A., Mattingly, A., Keel, W. C., Haque, S., Aungwerojwit, A., Bergvall, N.

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ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations by Kokori, A., Tsiaras, A., Jones, A., Pantelidou, G., Tinetti, G., Iliadou, A., Nastasi, A., Wünsche, A., Abraham, R., Agnihotri, V. K., Albanesi, R., Arce-Mansego, E., Aumasson, C., Belinski, A. A., Brandebourg, P., Brát, L., Brincat, S. M., Brouillard, S., Bruzas, A., Campos, F., Carreño, A., Carrion Rodrigo, J. A., Casali, R., Casalnuovo, G., Changeat, L., Chowdhury, V., Conzo, G., Correa, M., Curtis, I. A., Daniel, D., Dawes, S., Dransfield, G., Eenmäe, T., Falco, C., Farfán, R. G., Fernández-Lajús, E., Ferreira, S. L., Gainey, T., Gaitan, J., Gillier, C., Gorshanov, D., Guillot, T., Hentunen, V.-P., Hynek, T., Irzyk, M., Jannetta, A. L., Johnson, K., Jóźwik-Wabik, P., Kiiskinen, H., Lasota, S., Liakos, G.-I., Lomoz, F., Lopresti, C., Majewski, R., Mannucci, M., Marchini, A., Marino, A., Mario, J.-C., Marquette, J.-B., Martínez-Bravo, F. A., Mašek, M., Michel, P., Michelet, J., Miller, M., Molina, D., Monteleone, B., Morvan, M., Naponiello, L., Naves, R., Néel, D., Neito, R., Noschese, A., Ohshima, O., Orbanic, Z., Pace, E. P., Pantacchini, C., Phillips, M., Pintr, P., Plazas, J., Rees, D., Regembal, F., Rocchetto, M., Roth, R., Rubia, X., Ruocco, N., Russo, E., Salvaggio, F., Santos, A., Sioulas, N., Školník, V., Smolka, M., Stanbury, N., Stouraitis, D., Theusner, M., Tifner, F. P., Trnka, J., Tylšar, M., Sureda, A. Vives, Zambelli, R., Zhang, M.

“…Abstract The ExoClock project has been created to increase the efficiency of the Ariel mission. It will achieve this by continuously monitoring and updating…”
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Transit timing analysis of the exoplanet TrES-5 b. Possible existence of the exoplanet TrES-5 c by Sokov, Eugene N, Sokova, Iraida A, Dyachenko, Vladimir V, Rastegaev, Denis A, Burdanov, Artem, Rusov, Sergey A, Benni, Paul, Shadick, Stan, Hentunen, Veli-Pekka, Salisbury, Mark, Esseiva, Nicolas, Garlitz, Joe, Bretton, Marc, Ogmen, Yenal, Karavaev, Yuri, Ayiomamitis, Anthony, Mazurenko, Oleg, Alonso, David, Velichko, Sergey F

“…In this work, we present transit timing variations detected for the exoplanet TrES-5b. To obtain the necessary amount of photometric data for this exoplanet,…”
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Homogeneously derived transit timings for 17 exoplanets and reassessed TTV trends for WASP-12 and WASP-4 by Baluev, R. V, Sokov, E. N, Jones, H. R. A, Shaidulin, V. Sh, Sokova, I. A, Nielsen, L. D, Benni, P, Schneiter, E. M, D'Angelo, C. Villarreal, Fernández-Lajús, E, Di Sisto, R. P, Baştürk, Ö, Bretton, M, Wunsche, A, Hentunen, V. -P, Shadick, S, Jongen, Y, Kang, W, Kim, T, Pakštienė, E, Qvam, J. K. T, Knight, C. R, Guerra, P, Marchini, A, Salvaggio, F, Papini, R, Evans, P, Salisbury, M, Garcia, F, Molina, D, Garlitz, J, Esseiva, N, Ogmen, Y, Karavaev, Yu, Rusov, S, Ibrahimov, M. A, Karimov, R. G

“…Mon. Not. R. Astron. Soc., 2019, V. 490 (1), P. 1294-1312 We homogeneously analyse $\sim 3.2\times 10^5$ photometric measurements for $\sim 1100$ transit…”
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The beta Pictoris association: Catalog of photometric rotational periods of low-mass members and candidate members by Messina, S, Millward, M, Buccino, A, Zhang, L, Medhi, B. J, Jofre', E, Petrucci, R, Pi, Q, Hambsch, F. -J, Kehusmaa, P, Harlingten, C, Artemenko, S, Curtis, I, Hentunen, V. -P, Malo, L, Mauas, P, Monard, B, Serrano, M. Muro, Naves, R, Santallo, R, Savuskin, A, Tan, T. G

“…Astronomy and Astrophysics, 2016 We intended to compile the most complete catalog of bona fide members and candidate members of the beta Pictoris association,…”
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The nature of supernovae 2010O and 2010P in Arp 299 - I. Near-infrared and optical evolution by Kankare, E, Mattila, S, Ryder, S, Fraser, M, Pastorello, A, Elias-Rosa, N, Romero-Canizales, C, Alberdi, A, Hentunen, V. -P, Herrero-Illana, R, Kotilainen, J, Perez-Torres, M. -A, Vaisanen, P

“…2014, MNRAS, 440, 1052 We present near-infrared and optical photometry, plus optical spectroscopy of two stripped-envelope supernovae (SNe) 2010O and 2010P…”
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PANCHROMATIC OBSERVATIONS OF THE TEXTBOOK GRB 110205A: CONSTRAINING PHYSICAL MECHANISMS OF PROMPT EMISSION AND AFTERGLOW by ZHENG, W, SHEN, R. F, POZANENKO, A, NISSINEN, M, SAHU, D. K, IM, M, UKWATTA, T. N, ANDREEV, M, KLUNKO, E, VOLNOVA, A, AKERLOF, C. W, ANTO, P, SAKAMOTO, T, BARTHELMY, S. D, BREEVELD, A, CARSENTY, U, CASTILLO-CARRION, S, CASTRO-TIRADO, A. J, CHESTER, M. M, CHUANG, C. J, CUNNIFFE, R, DE UGARTE POSTIGO, A, DUFFARD, R, BEARDMORE, A. P, FLEWELLING, H, GEHRELS, N, GÜVER, T, GUZIY, S, HENTUNEN, V. P, HUANG, K. Y, JELINEK, M, KOCH, T. S, KUBANEK, P, KUIN, P, DE PASQUALE, M, MCKAY, T. A, MOTTOLA, S, OATES, S. R, O'BRIEN, P, OHNO, M, PAGE, M. J, PANDEY, S. B, PEREZ DEL PULGAR, C, RUJOPAKARN, W, RYKOFF, E, WU, X. F, SALMI, T, SANCHEZ-RAMIREZ, R, SCHAEFER, B. E, SERGEEV, A, SONBAS, E, SOTA, A, TELLO, J. C, YAMAOKA, K, YOST, S. A, YUAN, F, GOROSABEL, J, URATA, Y, SUGITA, S, ZHANG, B

“…We present a comprehensive analysis of a bright, long-duration (T sub(90) ~ 257 s) GRB 110205A at redshift z = 2.22. The optical prompt emission was detected…”
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