Search Results - "Clementini, G"

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  1. 1

    Cepheid metallicity in the Leavitt law (C-metall) survey – I. HARPS-N@TNG spectroscopy of 47 classical Cepheids and 1 BL Her variables by Ripepi, V, Catanzaro, G, Molinaro, R, Gatto, M, De Somma, G, Marconi, M, Romaniello, M, Leccia, S, Musella, I, Trentin, E, Clementini, G, Testa, V, Cusano, F, Storm, J

    “…ABSTRACT Classical Cepheids (DCEPs) are the most important primary indicators of the extragalactic distance scale. Establishing the dependence on metallicity…”
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  2. 2

    The VMC survey – XXIII. Model fitting of light and radial velocity curves of Small Magellanic Cloud classical Cepheids by Marconi, M., Molinaro, R., Ripepi, V., Cioni, M.-R. L., Clementini, G., Moretti, M. I., Ragosta, F., de Grijs, R., Groenewegen, M. A. T., Ivanov, V. D.

    “…Abstract We present the results of the χ2 minimization model fitting technique applied to optical and near-infrared photometric and radial velocity data for a…”
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  3. 3

    NEW NEAR-INFRARED PERIOD–LUMINOSITY–METALLICITY RELATIONS FOR RR LYRAE STARS AND THE OUTLOOK FOR GAIA by Muraveva, T, Palmer, M, Clementini, G, Luri, X, Cioni, M-R L, Moretti, M I, Marconi, M, Ripepi, V, Rubele, S

    Published in The Astrophysical journal (10-07-2015)
    “…We present results of the analysis of 70 RR Lyrae stars located in the bar of the Large Magellanic Cloud (LMC). Combining the spectroscopically determined…”
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  4. 4

    New LZ and PW(Z) relations of RR Lyrae stars calibrated with Gaia EDR3 parallaxes by Garofalo, A, Delgado, H E, Sarro, L M, Clementini, G, Muraveva, T, Marconi, M, Ripepi, V

    “…ABSTRACT We present new luminosity–metallicity (LZ; $M_{V}\!-\!\rm [Fe/H]$ and $M_{G}\!-\!\rm [Fe/H]$) relations and, for the first time, empirical, Gaia…”
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  5. 5

    Chemical abundances of solar neighbourhood RR Lyrae stars by Pancino, E, Britavskiy, N, Romano, D, Cacciari, C, Mucciarelli, A, Clementini, G

    “…We have analysed a sample of 18 RR Lyrae stars (17 fundamental-mode -- RRab -- and one first overtone -- RRc) and three Population II Cepheids (two BL Her…”
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  6. 6

    STEP survey – II. Structural analysis of 170 star clusters in the SMC by Gatto, M, Ripepi, V, Bellazzini, M, Tosi, M, Cignoni, M, Tortora, C, Leccia, S, Clementini, G, Grebel, E K, Longo, G, Marconi, M, Musella, I

    “…ABSTRACT We derived surface brightness profiles in the g band for 170 Small Magellanic Cloud (SMC) star clusters (SCs) mainly located in the central region of…”
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    The VMC Survey – XIII. Type II Cepheids in the Large Magellanic Cloud by Ripepi, V, Moretti, M I, Marconi, M, Clementini, G, Cioni, M-R L, de Grijs, R, Emerson, J P, Groenewegen, M A T, Ivanov, V D, Muraveva, T, Piatti, A E, Subramanian, S

    “…The VISTA (Visible and Infrared Survey Telescope for Astronomy) survey of the Magellanic Clouds System (VMC) is collecting deep K...-band time-series…”
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  9. 9

    The VMC Survey - VIII. First results for anomalous Cepheids by Ripepi, V., Marconi, M., Moretti, M. I., Clementini, G., Cioni, M.-R. L., de Grijs, R., Emerson, J. P., Groenewegen, M. A. T., Ivanov, V. D., Oliveira, J. M.

    “…The VISTA near-infrared YJK s survey of the Magellanic Clouds System (VMC, PI M.-R. L. Cioni) is collecting deep K s-band time-series photometry of the…”
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  10. 10

    The VMC survey - V. First results for classical Cepheids by Ripepi, V., Moretti, M. I., Marconi, M., Clementini, G., Cioni, M.-R. L., Marquette, J. B., Girardi, L., Rubele, S., Groenewegen, M. A. T., de Grijs, R., Gibson, B. K., Oliveira, J. M., van Loon, J. Th, Emerson, J. P.

    “…Abstract The VISTA Magellanic Cloud (VMC; PI: M.-R. L. Cioni) survey is collecting deep K s-band time series photometry of the pulsating variable stars hosted…”
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    The VMC survey – XX. Identification of new Cepheids in the Small Magellanic Cloud by Moretti, M. I., Clementini, G., Ripepi, V., Marconi, M., Rubele, S., Cioni, M.-R. L., Muraveva, T., Groenewegen, M. A. T., Cross, N. J. G., Ivanov, V. D., Piatti, A. E., de Grijs, R.

    “…We present K s-band light curves for 299 Cepheids in the Small Magellanic Cloud (SMC) of which 288 are new discoveries that we have identified using…”
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  13. 13

    I Zw 18 Revisited with HST ACS and Cepheids: New Distance and Age by Aloisi, A, Clementini, G, Tosi, M, Annibali, F, Contreras, R, Fiorentino, G, Mack, J, Marconi, M, Musella, I, Saha, A, Sirianni, M, van der Marel, R. P

    Published in The Astrophysical journal (01-10-2007)
    “…We present new V- and I-band HST ACS photometry of I Zw 18, the most metal-poor blue compact dwarf (BCD) galaxy in the nearby universe. It has been argued in…”
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    Eclipsing binary stars in the Large Magellanic Cloud: results from the EROS-2, OGLE and VMC surveys by Muraveva, T., Clementini, G., Maceroni, C., Evans, C. J., Moretti, M. I., Cioni, M.-R. L., Marquette, J. B., Ripepi, V., de Grijs, R., Groenewegen, M. A. T., Piatti, A. E., van Loon, J. Th

    “…We present a catalogue of 1768 eclipsing binary stars (EBs) detected in the Large Magellanic Cloud (LMC) by the second generation of the EROS survey…”
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  17. 17

    Preliminary results for RR Lyrae stars and Classical Cepheids from the Vista Magellanic Cloud (VMC) survey by Ripepi, V., Moretti, M. I., Clementini, G., Marconi, M., Cioni, M. R., Marquette, J. B., Tisserand, P.

    Published in Astrophysics and space science (01-09-2012)
    “…The Vista Magellanic Cloud (VMC, PI M.R. Cioni) survey is collecting K S -band time series photometry of the system formed by the two Magellanic Clouds (MC)…”
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  18. 18

    Multi-Epoch Hubble Space Telescope Observations of IZw18: Characterization of Variable Stars at Ultra-Low Metallicities by Fiorentino, G, Ramos, R. Contreras, Clementini, G, Marconi, M, Musella, I, Aloisi, A, Annibali, F, Saha, A, Tosi, M, van der Marel, R. P

    Published in The Astrophysical journal (10-03-2010)
    “…Variable stars have been identified for the first time in the very metal-poor blue compact dwarf galaxy IZw18, using deep multi-band (F606W, F814W) time-series…”
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    Spatial Distribution and Evolution of the Stellar Populations and Candidate Star Clusters in the Blue Compact Dwarf I Zwicky 18 by Contreras Ramos, R, Annibali, F, Fiorentino, G, Tosi, M, Aloisi, A, Clementini, G, Marconi, M, Musella, I, Saha, A, van der Marel, R. P

    Published in The Astrophysical journal (01-10-2011)
    “…The evolutionary properties and spatial distribution of I Zwicky 18 (IZw18) stellar populations are analyzed by means of Hubble Space Telescope/Advanced Camera…”
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    Ultra long period Cepheids: a primary standard candle out to the Hubble flow by Fiorentino, G., Clementini, G., Marconi, M., Musella, I., Saha, A., Tosi, M., Contreras Ramos, R., Annibali, F., Aloisi, A., van der Marel, R.

    Published in Astrophysics and space science (01-09-2012)
    “…The cosmological distance ladder crucially depends on classical Cepheids (with P =3–80 days), which are primary distance indicators up to 33 Mpc. Within this…”
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