Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Baran Andrzej"'
Autor:
Reed Michael D., Baran Andrzej S., Telting John H., Østensen Roy H., Jeffery Christopher S., Kern Joshua W., Ketzer Laura, Crooke John, Slayton A.
Publikováno v:
Open Astronomy, Vol 27, Iss 1, Pp 157-166 (2018)
This paper reviews recent seismic findings from Kepler and K2 data. Using three years of short cadence Kepler (K1) data, it is possible to examine time evolution of pulsations in an unprecedented way. While K2 observations are shorter, only three mon
Externí odkaz:
https://doaj.org/article/e80dde93682f457c80a3fc560a8961df
Autor:
Green, Matthew J., Hermes, J. J., Barlow, Brad N., Marsh, T. R., Pelisoli, Ingrid, Gänsicke, Boris T., Kaiser, Ben C., Romero, Alejandra, Amaral, Larissa Antunes, Corcoran, Kyle, Grupe, Dirk, Kennedy, Mark R., Kepler, S. O., Munday, James, Ashley, R. P., Baran, Andrzej S., Breedt, Elmé, Brown, Alex J., Dhillon, V. S., Dyer, Martin J., Kerry, Paul, King, George W., Littlefair, S. P., Parsons, Steven G., Sahman, David I.
AM CVn-type systems are ultracompact, helium-accreting binary systems which are evolutionarily linked to the progenitors of thermonuclear supernovae and are expected to be strong Galactic sources of gravitational waves detectable to upcoming space-ba
Externí odkaz:
http://arxiv.org/abs/2311.01255
Publikováno v:
Open Astronomy, Vol 26, Iss 1, Pp 199-201 (2016)
We present our analysis of K2 observations of the binary system, HWVir. We processed the raw Kepler data and used Fourier analysis to search for periodic signals that could be associated with pulsations. We detect the binary frequency and its harmoni
Externí odkaz:
https://doaj.org/article/1b49887ad69d40cc818c41038f938beb
Autor:
Munday, James, Tremblay, P. -E., Hermes, J. J., Barlow, Brad, Pelisoli, Ingrid, Marsh, T. R., Parsons, Steven G., Jones, David, Kepler, S. O., Brown, Alex, Littlefair, S. P., Hegedus, R., Baran, Andrzej, Breedt, Elmé, Dhillon, V. S., Dyer, Martin J., Green, Matthew J., Kennedy, Mark R., Kerry, Paul, Lopez, Isaac D., Romero, Alejandra D., Sahman, Dave, Worters, Hannah L.
We present the discovery of the eclipsing double white dwarf (WD) binary WDJ 022558.21-692025.38 that has an orbital period of 47.19 min. Following identification with the Transiting Exoplanet Survey Satellite, we obtained time-series ground based sp
Externí odkaz:
http://arxiv.org/abs/2308.00036
Autor:
Sanjayan, Sachu, Baran, Andrzej S, Nemeth, Peter, Kinemuchi, Karen, Ostrowski, Jakub, Sahoo, Sumanta Kumar
Publikováno v:
2022AcA....72...77S
We present the list of variable stars we found in the Kepler superstamp data covering approximately 9 arcminutes from the central region of NGC 6791. We classified the variable stars based on the variability type and we established their cluster memb
Externí odkaz:
http://arxiv.org/abs/2303.07422
Autor:
Guzik, Joyce A., Baran, Andrzej S., Sanjayan, Sachu, Németh, Péter, Hedlund, Anne M., Jackiewicz, Jason, Dauelsberg, Lori R.
NGC 6819 is an open cluster of age 2.4 Gyr that was in the NASA Kepler spacecraft field of view from 2009 to 2013. The central part of the cluster was observed in a 200 x 200 pixel `superstamp' during these four years in 30-minute cadence photometry,
Externí odkaz:
http://arxiv.org/abs/2303.01581
Autor:
Dudek Jerzy, Dedes Irene, Gaamouci Abdelghafar, Yang Jie, Baran Andrzej, Curien Dominique, Dickel Timo, Wang Hua-Lei
Publikováno v:
EPJ Web of Conferences, Vol 223, p 01014 (2019)
In a recent article [1] group-theory representation-methods have been combined with the realistic mean-field calculation results to elaborate new, specifically designed methods of experimental identification of the tetrahedral/octahedral symmetries i
Externí odkaz:
https://doaj.org/article/5899a54d4e7d4af9a298a9900d13df3a
Autor:
Uzundag, Murat, Silvotti, Roberto, Baran, Andrzej S., Vuckovic, Maja, Nemeth, Péter, Sahoo, Sumanta K., Reed, Mike
TIC033834484 and TIC309658435 are long-period pulsating subdwarf B star, which were observed extensively (675 and 621 days, respectively) by the Transiting Exoplanet Survey Satellite (TESS). The high-precision photometric light curve reveals the pres
Externí odkaz:
http://arxiv.org/abs/2212.02950
Autor:
Córsico, Alejandro H., Uzundag, Murat, Kepler, S. O., Althaus, Leandro G., Silvotti, Roberto, Bradley, Paul A., Baran, Andrzej S., Koester, Detlev, Bell, Keaton J., Romero, Alejandra D., Hermes, J. J., Fusillo, Nicola P. Gentile
The {\sl TESS} space mission has recently demonstrated its great potential to discover new pulsating white dwarf and pre-white dwarf stars, and to detect periodicities with high precision in already known white-dwarf pulsators. We report the discover
Externí odkaz:
http://arxiv.org/abs/2210.05486
Autor:
Silvotti, Roberto, Németh, Péter, Telting, John H., Baran, Andrzej S., Østensen, Roy H., Ostrowski, Jakub, Sahoo, Sumanta K., Prins, Saskia
TIC137608661/TYC4544-2658-1/FBS0938+788 is a new sdBV+dM reflection-effect binary discovered by the TESS space mission with an orbital period of 7.21 hours. In addition to the orbital frequency and its harmonics, the Fourier transform of TIC137608661
Externí odkaz:
http://arxiv.org/abs/2201.06559