Browsing by Author "Mérand, A."

Now showing items 1-7 of 7

    • Cepheid distances from the SpectroPhoto-Interferometry of Pulsating Stars (SPIPS) Application to the ... 
      Mérand, A.; Kervella, Pierre; Breitfelder, J.; Gallenne, A.; Coudé du Foresto, V.; Brummelaar, T. A. ten; McAlister, H. A.; Ridgway, S.; Sturmann, L.; Sturmann, J.; Turner, N. H. (EDP Sciences, 2015)
      Context. The parallax of pulsation, and its implementations such as the Baade-Wesselink method and the infrared surface brightness technique, is an elegant method to determine distances of pulsating stars in a quasi-geometrical ...
    • Investigating Cepheid l Carinae' s cycle-to-cycle variations via contemporaneous velocimetry and ... 
      Anderson, R. I.; Mérand, A.; Kervella, Pierre; Breitfelder, J.; Le Bouquin, J. B.; Eyer, L.; Gallenne, A.; Palaversa, L.; Semaan, T.; Saesen, S.; Mowlavi, N. (Oxford University Press, 2016)
      Baade-Wesselink-type (BW) techniques enable geometric distance measurements of Cepheid variable stars in the Galaxy and the Magellanic clouds. The leading uncertainties involved concern projection factors required to ...
    • MATISSE, the VLTI mid-infrared imaging spectro-interferometer 
      López, B.; Lagarde, S.; Ptrov, R. G.; Jaffe, W.; Antonelli, P.; Allouche, F.; Berio, P.; Matter, A.; Meilland, A.; Millour, F.; Robbe-Dubois, S.; Henning, Th.; Weigelt, G.; Glindemann, A.; Agocs, T.; Bailet, Ch.; Beckmann, U.; Bettonvil, F.; van Boekel, R.; Bourget, P.; Bresson, Y.; Bristow, P.; Cruzalèbes, P.; Eldswijk, E.; Fanteï Caujolle, Y.; González Herrera, J. C.; Graser, U.; Guajardo, P.; Heininger, M.; Hofmann, K. H.; Kroes, G.; Laun, W.; Lehmitz, M.; Leinert, C.; Meisenheimer, K.; Morel, S.; Neumann, U.; Paladini, C.; Percheron, I.; Riquelme, M.; Schoeller, M.; Stee, Ph.; Venema, L.; Woillez, J.; Zins, G.; Ábrahám, P.; Abadie, S.; Abuter, R.; Accardo, M.; Adler, T.; Alonso, J.; Augereau, J. C.; Böhm, A.; Bazin, G.; Beltran, J.; Bensberg, A.; Boland, W.; Brast, R.; Burtscher, L.; Castillo, R.; Chelli, A.; Cid, C.; Clausse, J. M.; Connot, C.; Conzelmann, R. D.; Danchi, W. C.; Delbo, M.; Drevon, J.; Dominik, C.; van Duin, A.; Ebert, M.; Eisenhauer, F.; Flament, S.; Frahm, R.; Gámez Rosas, V.; Gabasch, A.; Gallenne, Alexandre; Garces, E.; Girard, P.; Glazenborg, A.; Gonté, F. Y. J.; Guitton, F.; de Haan, M.; Hanenburg, H.; Haubois, X.; Hocdé, V.; Hogerheijde, M.; ter Horst, R.; Hron, J.; Hummel, C. A.; Hubin, N.; Huerta, R.; Idserda, J.; Isbell, J. W.; Ives, D.; Jakob, G.; Jaskó, A.; Jochum, L.; Klarmann, L.; Klein, R.; Kragt, J.; Kuindersma, S.; Kokoulina, E.; Labadie, L.; Lacour, S.; Leftley, J.; Le Poole, R.; Lizon, J. L.; Lopez, M.; Lykou, F.; Mérand, A.; Marcotto, A.; Mauclert, N.; Maurer, T.; Mehrgan, L. H.; Meisner, J.; Meixner, K.; Mellein, M.; Menut, J. L.; Mohr, L.; Mosoni, L.; Navarro, R.; Nußbaum, E.; Pallanca, L.; Pantin, E.; Pasquini, L.; Duc, T. Phan; Pott, J. U.; Pozna, E.; Richichi, A.; Ridinger, A.; Rigal, F.; Rivinius, Th.; Roelfsema, R.; Rohloff, R. R.; Rousseau, S.; Salabert, D.; Schertl, D.; Schuhler, N.; Schuil, M.; Shabun, K.; Soulain, A.; Stephan, C.; Toledo, P.; Tristram, K.; Tromp, N.; Vakili, F.; Varga, J.; Vinther, J.; Waters, L. B. F. M.; Wittkowski, M.; Wolf, S.; Wrhel, F.; Yoffe, G. (EDP Sciences, 2022)
      Context. Optical interferometry is at a key development stage. The Very Large Telescope Interferometer (VLTI) has established a stable, robust infrastructure for long-baseline interferometry that is usable by general ...
    • Mid-infrared circumstellar emission of the long-period Cepheid Carinae resolved with VLTI/MATISSE 
      Hocdé, V.; Nardetto, N.; Matter, A.; Lagadec, E.; Mérand, A.; Cruzalèbes, P.; Meilland, A.; Millour, F.; Lopez, B.; Berio, P.; Weigelt, G.; Petrov, R.; Isbell, J.W.; Jaffe, W.; Kervella, P.; Glindemann, A.; Schöller, M.; Allouche, F.; Gallenne, Alexandre; De Souza, A. Domiciano; Niccolini, G.; Kokoulina, E.; Varga, J.; Lagarde, S.; Augereau, J.C.; Van Boekel, R.; Bristow, P.; Henning, Th.; Hofmann, K.-H.; Zins, G.; Danchi, W.-C; Delbo, M.; Dominik, C.; Gámez Rosas, V.; Klarmann, L.; Hron, J.; Hogerheijde, M. R.; Meisenheimer, K.; Pantin, E.; Paladini, C.; Robbe Dubois, S.; Schertl, D.; Stee, P.; Waters, R.; Lehmitz, M.; Bettonvil, F.; Heininger, M.; Bristow, P.; Woillez, J.; Wolf, S.; Yoffe, G.; Szabados, L.; Chiavassa, A.; Borgniet, S.; Breuval, L.; Javanmardi, B.; Ábrahám, P.; Abadie, S.; Abuter, R.; Accardo, M.; Adler, T.; Agócs, T.; Alonso, J.; Antonelli, P.; Böhm, A.; Bailet, C.; Bazin, G.; Beckmann, U.; Beltrán, J.; Boland, W.; Bourget, P.; Brast, R.; Bresson, Y.; Burtscher, L.; Buter, R.; Castillo, R.; Chelli, A.; Cid, C.; Clausse, J. M.; Connot, C.; Conzelmann, R.D.; Haan, M. de; Ebert, M.; Elswijk, E.; Fantei, Y.; Frahm, R.; Gabasch, A.; Garcés, E.; Girard, P.; Glazenborg, A.; Gonté, F. Y. J.; González Herrera, J. C.; Graser, U.; Guajardo, P.; Guitton, F.; Hanenburg, H.; Haubois, X.; Hubin, N.; Huerta, R.; Idserda, J.; Ives, D.; Jakob, G.; Jaskó, A.; Jochum, L.; Klein, R.; Kragt, J.; Kroes, G.; Kuindersma, S.; Labadie, L.; Laun, W.; Le Poole, R.; Leinert, C.; Lizon, J. L.; López, M.; Marcotto, A.; Mauclert, N.; Maurer, T.; Mehrgan, L. H.; Meisner, J.; Meixner, K.; Mellein, M.; Mohr, L.; Morel, S.; Mosoni, L.; Navarro, R.; Neumann, U.; Nußbaum, E.; Pallanca, L.; Pasquini, L.; Percheron, I.; Phan Duc, T.; Pott, J.U.; Pozna, E.; Ridinger, A.; Rigal, F.; Riquelme, M.; Rivinius, Th.; Roelfsema, R.; Rohloff, R. R.; Rousseau, S.; Schuhler, N.; Schuil, M.; Shabun, K.; Soulain, A.; Stephan, C.; Horst, R. ter; Tromp, N.; Vakili, F.; Van Duin, A.; Venema, L.B.; Vinther, J.; Wittkowski, M.; Wrhel, F. (EDP Sciences, 2021)
      Context. The nature of circumstellar envelopes (CSEs) around Cepheids is a matter of ongoing debate. The physical origin of their infrared (IR) excess could be shown to either be made up of a shell of ionized gas, a dust ...
    • Observational calibration of the projection factor of Cepheids 
      Breitfelder, J.; Kervella, Pierre; Mérand, A.; Gallenne, A.; Szabados, L.; Anderson, R. I.; Willson, M.; Le Bouquin, J.-B. (EDP SCIENCES, 2015)
      Context. The distance of pulsating stars, in particular Cepheids, are commonly measured using the parallax of pulsation technique. The different versions of this technique combine measurements of the linear diameter variation ...
    • Resolving asymmetries along the pulsation cycle of the Mira star X Hydrae 
      Haubois, X.; Wittkowski, M.; Perrin, G.; Kervella, Pierre; Mérand, A.; Thiébaut, E.; Ridgway, S.; Ireland, M.; Scholz, M. (EDP Sciences, 2015)
      Context. The mass-loss process in Mira stars probably occurs in an asymmetric way where dust can form in inhomogeneous circumstellar molecular clumps. Following asymmetries along the pulsation cycle can give us clues about ...
    • Robust high-contrast companion detection from interferometric observations. The CANDID algorithm and an ... 
      Gallenne, A.; Mérand, A.; Kervella, Pierre; Monnier, J. D.; Schaefer, G. H.; Baron, F.; Breitfelder, J.; Le Bouquin, J. B.; Roettenbacher, R. M.; Gieren, W.; Pietrzynski, G.; McAlister, H.; Brummelaar, T. ten; Sturmann, J.; Sturmann, L.; Turner, N.; Ridgway, S.; Kraus, S. (EDP Sciences, 2015)
      Context. Long-baseline interferometry is an important technique to spatially resolve binary or multiple systems in close orbits. By combining several telescopes together and spectrally dispersing the light, it is possible ...