Zobrazeno 1 - 10
of 60
pro vyhledávání: '"R. F. STELLINGWERF"'
Autor:
Marco Castellani, R. F. Stellingwerf, Vittorio F. Braga, Marcella Marconi, Giuseppe Bono, Adriano Pietrinferni
We constructed new sets of He-enhanced (Y = 0.30, Y = 0.40) nonlinear, time-dependent convective hydrodynamical models of RR Lyrae (RRL) stars covering a broad range in metal abundances (Z from 0.0001 to 0.02). The increase in He content from the can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bf7bd6b2f6e129179f8f653c8800c3d
http://repositorio.unab.cl/xmlui/handle/ria/11121
http://repositorio.unab.cl/xmlui/handle/ria/11121
Publikováno v:
Astronomische Nachrichten. 335:1018-1036
A unique short-period (P = 0.65356(1) d) Mercury-size Kepler exoplanet candidate KIC012557548b has been discovered recently by Rappaport et al. (2012). This object is a transiting disintegrating exoplanet with a circum-planetary material–comet-like
Autor:
Jillian R. Neeley, M. Fabrizio, R. da Silva, A. Di Cecco, P. Prada-Moroni, Marco Castellani, R. F. Stellingwerf, Elena Valenti, R. Buonanno, L. M. Freyhammer, S. Marinoni, Scilla Degl'Innocenti, J. Lub, Barry F. Madore, Massimo Dall'Ora, Noriyuki Matsunaga, S. E. Persson, G. Giuffrida, Peter B. Stetson, Marcella Marconi, Adriano Pietrinferni, I. Ferraro, V. F. Braga, Annalisa Calamida, Alistair R. Walker, Giuseppe Bono, M. Marengo, Giuliana Fiorentino, M. Monelli, Emanuele Tognelli, A. M. Piersimoni, Wendy L. Freedman, G. Iannicola, L. Pulone
Publikováno v:
The Astronomical Journal, 152, 170
The Astronomical Journal
The Astronomical Journal
New accurate and homogeneous optical UBVRI photometry has been obtained for variable stars in the Galactic globular $\omega$ Cen (NGC 5139). We secured 8202 CCD images covering a time interval of 24 years and a sky area of 84x48 arcmin. The current d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74f9b09f10c1613a0d002a0175469095
http://adsabs.harvard.edu/abs/2016AJ....152..170B
http://adsabs.harvard.edu/abs/2016AJ....152..170B
Autor:
Adriano Pietrinferni, Vincenzo Ripepi, Vittorio F. Braga, G. Coppola, R. F. Stellingwerf, Giuseppe Bono, R. Buonanno, Marcella Marconi, Marco Castellani, I. Musella
We present new nonlinear, time-dependent convective hydrodynamical models of RR Lyrae stars computed assuming a constant helium-to-metal enrichment ratio and a broad range in metal abundances (Z=0.0001--0.02). The stellar masses and luminosities adop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10a4dad2fb0d1d211d511375a1dc2a28
http://hdl.handle.net/2108/241049
http://hdl.handle.net/2108/241049
Autor:
R. F. Stellingwerf, Thomas G. Barnes, Luca Fossati, Katrien Kolenberg, Robert L. Kurucz, Pawel Moskalik, J. M. Nemec
Publikováno v:
Proceedings of the International Astronomical Union
Four years into the Kepler mission, an updated review on the results for RR Lyrae stars is in order. More than 50 RR Lyrae stars in the Kepler field are observed with Kepler and each one of them can provide us with new insight into this class of puls
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3de08f04c81ad36bf81cdd9f7a329a03
Publikováno v:
The Astrophysical Journal Supplement Series. 122:167-205
The pulsation properties and modal stability of Cepheid models are investigated in both linear and nonlinear regimes. The linear survey is based on nonadiabatic, radiative models, whereas the nonlinear one relies on full-amplitude models that include
Autor:
R. F. Stellingwerf, B. P. Shafer, C. E. Rosenkilde, M. D. Garcia, C. M. Snell, John L. Remo, R. A. Managan, R. J. Scammon
Publikováno v:
Annals of the New York Academy of Sciences. 822:552-565
We considered the coupling of momentum to near-Earth objects (NEOs) for the purposes of collision avoidance or collision damage mitigation through trajectory modification. The momentum sources considered were pulsed lasers, kinetic energy impactors,
Autor:
Marcella Marconi, Santi Cassisi, Vittorio Castellani, Filippina Caputo, R. F. Stellingwerf, Giuseppe Bono
Publikováno v:
The Astrophysical Journal. 477:346-355
We investigate the modal stability of stellar models at masses and luminosity levels corresponding to post main sequence luminous delta scuti pulsators. The envelope models have been computed at fixed mass value, luminosity level and chemical composi
Autor:
Dariusz Graczyk, Piotr Konorski, Giuseppe Bono, Roberto Molinaro, Radosław Smolec, Marek Górski, R. F. Stellingwerf, Grzegorz Pietrzyński, Wolfgang Gieren, Ksenia Suchomska, Marcella Marconi, Bogumił Pilecki, Paulina Karczmarek
Publikováno v:
The Astrophysical Journal Letters
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
We performed a new and accurate fit of light and radial velocity curves of the Large Magellanic Cloud (LMC) Cepheid --OGLE-LMC-CEP-0227-- belonging to a detached double-lined eclipsing binary system. We computed several sets of nonlinear, convective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35443fcec3a7f42fa650afaf22635713
http://hdl.handle.net/2108/300975
http://hdl.handle.net/2108/300975