Zobrazeno 1 - 10
of 526
pro vyhledávání: '"Odorico S"'
Autor:
Evans, T. M., Murphy, M. T., Whitmore, J. B., Misawa, T., Centurion, M., D'Odorico, S., Lopez, S., Martins, C. J. A. P., Molaro, P., Petitjean, P., Rahmani, H., Srianand, R., Wendt, M.
Large statistical samples of quasar spectra have previously indicated possible cosmological variations in the fine-structure constant, $\alpha$. A smaller sample of higher signal-to-noise ratio spectra, with dedicated calibration, would allow a detai
Externí odkaz:
http://arxiv.org/abs/1409.1923
Autor:
Bonifacio, P., Rahmani, H., Whitmore, J. B., Wendt, M., Centurion, M., Molaro, P., Srianand, R., Murphy, M. T., Petitjean, P., Agafonova, I. I., D'Odorico, S., Evans, T. M., Levshakov, S. A., Lopez, S., Martins, C. J. A. P., Reimers, D., Vladilo, G.
Absorption-line systems detected in high resolution quasar spectra can be used to compare the value of dimensionless fundamental constants such as the fine-structure constant, alpha, and the proton-to-electron mass ratio, mu = m_p/m_e, as measured in
Externí odkaz:
http://arxiv.org/abs/1310.6280
Autor:
Rahmani, H., Wendt, M., Srianand, R., Noterdaeme, P., Petitjean, P., Molaro, P., Whitmore, J. B., Murphy, M. T., Centurion, M., Fathivavsari, H., D'Odorico, S., Evans, T. M., Levshakov, S. A., Lopez, S., Martins, C. J. A. P., Reimers, D., Vladilo, G.
We present an accurate analysis of the H2 absorption lines from the zabs ~ 2.4018 damped Ly{\alpha} system towards HE 0027-1836 observed with the Very Large Telescope Ultraviolet and Visual Echelle Spectrograph (VLT/UVES) as a part of the European So
Externí odkaz:
http://arxiv.org/abs/1307.5864
Autor:
Molaro, P., Centurion, M., Whitmore, J. B., Evans, T. M., Murphy, M. T., Agafonova, I. I., Bonifacio, P., D'Odorico, S., Levshakov, S. A., Lopez, S., Martins, C. J. A. P., Petitjean, P., Rahmani, H., Reimers, D., Srianand, R., Vladilo, G., Wendt, M.
Absorption line systems detected in quasar spectra can be used to compare the value of the fine-structure constant, {\alpha}, measured today on Earth with its value in distant galaxies. In recent years, some evidence has emerged of small temporal and
Externí odkaz:
http://arxiv.org/abs/1305.1884
We present the analysis of new NIR, intermediate-resolution spectra of the gravitationally lensed galaxy "the 8 o'clock arc" at z_sys = 2.7350 obtained with VLT/X-shooter. These rest-frame optical data, combined with HST and Spitzer images, provide v
Externí odkaz:
http://arxiv.org/abs/1202.1745
Autor:
Vernet, Joel, Dekker, H., D'Odorico, S., Kaper, L., Kjaergaard, P., Hammer, F., Randich, S., Zerbi, F., Groot, P. M., Hjorth, J., Guinouard, I., Navarro, R., Adolfse, T., Albers, P. W., Amans, J. -P., Andersen, J. J., Andersen, M. I., Binetruy, P., Bristow, P., Castillo, R., Chemla, F., Christensen, L., Conconi, P., Conzelmann, R., Dam, J., De Caprio, V., Postigo, A. De Ugarte, Delabre, B., Di Marcantonio, P., Downing, M., Elswijk, E., Finger, G., Fischer, G., Flores, H., Francois, P., Goldoni, P., Guglielmi, L., Haigron, R., Hanenburg, H., Hendriks, I., Horrobin, M., Horville, D., Jessen, N. C., Kerber, F., Kern, L., Kiekebusch, M., Kleszcz, P., Klougart, J., Kragt, J., Larsen, H. H., Lizon, J. -L., Lucuix, C., Mainieri, V., Manuputy, R., Martayan, C., Mason, E., Mazzoleni, R., Michaelsen, N., Modigliani, A., Moehler, S., Møller, P., Sørensen, A. Norup, Nørregaard, P., Peroux, C., Patat, F., Pena, E., Pragt, J., Reinero, C., Riga, F., Riva, M., Roelfsema, R., Royer, F., Sacco, G., Santin, P., Schoenmaker, T., Spano, P., Sweers, E., Ter Horst, R., Tintori, M., Tromp, N., van Dael, P., van der Vliet, H., Venema, L., Vidali, M., Vinther, J., Vola, P., Winters, R., Wistisen, D., Wulterkens, G., Zacchei, A.
X-shooter is the first 2nd generation instrument of the ESO Very Large Telescope(VLT). It is a very efficient, single-target, intermediate-resolution spectrograph that was installed at the Cassegrain focus of UT2 in 2009. The instrument covers, in a
Externí odkaz:
http://arxiv.org/abs/1110.1944
We present the first detailed analysis of the rest-frame UV spectrum of the gravitationally lensed Lyman break galaxy (LBG), the `8 o'clock arc'. The spectrum of the 8 o'clock arc is rich in stellar and interstellar medium (ISM) features, and present
Externí odkaz:
http://arxiv.org/abs/0912.4384
Autor:
Bono, G., Stetson, P. B., VandenBerg, D. A., Calamida, A., Dall'Ora, M., Iannicola, G., Amico, P., Di Cecco, A., Marchetti, E., Monelli, M., Sanna, N., Walker, A. R., Zoccali, M., Buonanno, R., Caputo, F., Degl'Innocenti, S., D'Odorico, S., Ferraro, I., Gilmozzi, R., Melnick, J., Nonino, M., Ortolani, S., Piersimoni, A. M., Moroni, P. G. Prada, Pulone, L., Romaniello, M., Storm, J.
We present a new method to estimate the absolute ages of stellar systems. This method is based on the difference in magnitude between the main sequence turn-off (MSTO) and a well defined knee located along the lower main sequence (MSK). This feature
Externí odkaz:
http://arxiv.org/abs/0912.0824
Autor:
Postigo, A. de Ugarte, Goldoni, P., Thöne, C. C., Vergani, S. D., D'Elia, V., Piranomonte, S., Malesani, D., Covino, S., Flores, H., Fynbo, J. P. U., Hjorth, J., Wijers, R. A. M. J., D'Odorico, S., Hammer, F., Kaper, L., Kjærgaard, P., Randich, S., Andersen, M. I., Antonelli, L. A., Christensen, L., D'Avanzo, P., Fiore, F., Groot, P. J., Maiorano, E., Palazzi, E., Pian, E., Tagliaferri, G., Ancker, M. E. van den, Vernet, J.
Publikováno v:
Astron.Astrophys.513:42-48, 2010
Context. X-shooter is the first second-generation instrument to become operative at the ESO Very Large Telescope (VLT). It is a broad-band medium-resolution spectrograph designed with gamma-ray burst (GRB) afterglow spectroscopy as one of its main sc
Externí odkaz:
http://arxiv.org/abs/0911.3901
Aims:We have studied the bulge and the disk kinematics of the giant low surface brightness galaxy ESO 323-G064 in order to investigate its dynamical properties and the radial mass profile of the dark matter (DM) halo. Methods:We observed the galaxy w
Externí odkaz:
http://arxiv.org/abs/0809.1785