Search Results - "HEITER, U"

Atomic and molecular data for optical stellar spectroscopy by Heiter, U, Lind, K, Asplund, M, Barklem, P S, Bergemann, M, Magrini, L, Masseron, T, Mikolaitis, Š, Pickering, J C, Ruffoni, M P

“…High-precision spectroscopy of large stellar samples plays a crucial role for several topical issues in astrophysics. Examples include studying the chemical…”
Get full text

A major upgrade of the VALD database by Ryabchikova, T, Piskunov, N, Kurucz, R L, Stempels, H C, Heiter, U, Pakhomov, Yu, Barklem, P S

“…Vienna atomic line database (VALD) is a collection of critically evaluated laboratory parameters for individual atomic transitions, complemented by theoretical…”
Get full text

Fe i Oscillator Strengths for Transitions from High-lying Odd-parity Levels by Belmonte, M. T., Pickering, J. C., Ruffoni, M. P., Hartog, E. A. Den, Lawler, J. E., Guzman, A., Heiter, U.

“…We report new experimental Fe i oscillator strengths obtained by combining measurements of branching fractions measured with a Fourier Transform spectrometer…”
Get full text

OCCASO – II. Physical parameters and Fe abundances of red clump stars in 18 open clusters by Casamiquela, L., Carrera, R., Blanco-Cuaresma, S., Jordi, C., Balaguer-Núñez, L., Pancino, E., Anders, F., Chiappini, C., Díaz-Pérez, L., Aguado, D. S., Aparicio, A., Garcia-Dias, R., Heiter, U., Martínez-Vázquez, C. E., Murabito, S., del Pino, A.

“…Abstract Open clusters have long been used to study the chemodynamical evolution of the Galactic disc. This requires a homogeneously analysed sample covering a…”
Get full text

The Gaia-ESO Survey: evidence of atomic diffusion in M67? by Bertelli Motta, C, Pasquali, A, Richer, J, Michaud, G, Salaris, M, Bragaglia, A, Magrini, L, Randich, S, Grebel, E K, Adibekyan, V, Blanco-Cuaresma, S, Drazdauskas, A, Fu, X, Martell, S, Tautvaišienė, G, Gilmore, G, Alfaro, E J, Bensby, T, Flaccomio, E, Koposov, S E, Korn, A J, Lanzafame, A C, Smiljanic, R, Bayo, A, Carraro, G, Casey, A R, Costado, M T, Damiani, F, Franciosini, E, Heiter, U, Hourihane, A, Jofré, P, Lardo, C, Lewis, J, Monaco, L, Morbidelli, L, Sacco, G G, Sousa, S G, Worley, C C, Zaggia, S

“…ABSTRACT Investigating the chemical homogeneity of stars born from the same molecular cloud at virtually the same time is very important for our understanding…”
Get full text

The Gaia-ESO Survey: a quiescent Milky Way with no significant dark/stellar accreted disc by Ruchti, G. R., Read, J. I., Feltzing, S., Serenelli, A. M., McMillan, P., Lind, K., Bensby, T., Bergemann, M., Asplund, M., Vallenari, A., Flaccomio, E., Pancino, E., Korn, A. J., Recio-Blanco, A., Bayo, A., Carraro, G., Costado, M. T., Damiani, F., Heiter, U., Hourihane, A., Jofré, P., Kordopatis, G., Lardo, C., de Laverny, P., Monaco, L., Morbidelli, L., Sbordone, L., Worley, C. C., Zaggia, S.

“…According to our current cosmological model, galaxies like the Milky Way are expected to experience many mergers over their lifetimes. The most massive of the…”
Get full text

The Gaia-ESO Survey: matching chemodynamical simulations to observations of the Milky Way by Thompson, B. B., Few, C. G., Bergemann, M., Gibson, B. K., MacFarlane, B. A., Serenelli, A., Gilmore, G., Randich, S., Vallenari, A., Alfaro, E. J., Bensby, T., Francois, P., Korn, A. J., Bayo, A., Carraro, G., Casey, A. R., Costado, M. T., Donati, P., Franciosini, E., Frasca, A., Hourihane, A., Jofré, P., Hill, V., Heiter, U., Koposov, S. E., Lanzafame, A., Lardo, C., de Laverny, P., Lewis, J., Magrini, L., Marconi, G., Masseron, T., Monaco, L., Morbidelli, L., Pancino, E., Prisinzano, L., Recio-Blanco, A., Sacco, G., Sousa, S. G., Tautvaišienė, G., Worley, C. C., Zaggia, S.

“…Abstract The typical methodology for comparing simulated galaxies with observational surveys is usually to apply a spatial selection to the simulation to mimic…”
Get full text

The Gaia-ESO Survey: the most metal-poor stars in the Galactic bulge by Howes, L. M., Asplund, M., Casey, A. R., Keller, S. C., Yong, D., Gilmore, G., Lind, K., Worley, C., Bessell, M. S., Casagrande, L., Marino, A. F., Nataf, D. M., Owen, C. I., Da Costa, G. S., Schmidt, B. P., Tisserand, P., Randich, S., Feltzing, S., Vallenari, A., Allende Prieto, C., Bensby, T., Flaccomio, E., Korn, A. J., Pancino, E., Recio-Blanco, A., Smiljanic, R., Bergemann, M., Costado, M. T., Damiani, F., Heiter, U., Hill, V., Hourihane, A., Jofré, P., Lardo, C., de Laverny, P., Magrini, L., Maiorca, E., Masseron, T., Morbidelli, L., Sacco, G. G., Minniti, D., Zoccali, M.

“…We present the first results of the EMBLA survey (Extremely Metal-poor BuLge stars with AAOmega), aimed at finding metal-poor stars in the Milky Way bulge,…”
Get full text

Accurate effective temperatures of the metal-poor benchmark stars HD 140283, HD 122563, and HD 103095 from CHARA interferometry by Karovicova, I, White, T R, Nordlander, T, Lind, K, Casagrande, L, Ireland, M J, Huber, D, Creevey, O, Mourard, D, Schaefer, G H, Gilmore, G, Chiavassa, A, Wittkowski, M, Jofré, P, Heiter, U, Thévenin, F, Asplund, M

“…Abstract Large stellar surveys of the Milky Way require validation with reference to a set of ‘benchmark’ stars whose fundamental properties are well…”
Get full text

HD 210111: a new λ Bootis-type spectroscopic binary system by Paunzen, E., Heiter, U., Fraga, L., Pintado, O.

“…The small group of λ Bootis stars comprises late B- to early F-type stars, with moderate to extreme (up to a factor of 100) surface underabundances of most…”
Get full text

A spectral atlas of λ Bootis stars by Paunzen, E., Heiter, U.

“…Since the discovery of ? Bootis stars, a permanent confusion about their classification can be found in literature. This group of non-magnetic, Population I,…”
Get full text

Asteroseismology of the β Cephei star ν Eridani - III. Extended frequency analysis and mode identification by De Ridder, J., Telting, J. H., Balona, L. A., Handler, G., Briquet, M., Daszyńska-Daszkiewicz, J., Lefever, K., Korn, A. J., Heiter, U., Aerts, C.

“…ABSTRACT Using the large photometric and spectroscopic data sets of the ν Eridani multisite campaign given in our two recent papers (Aerts et al. and Handler…”
Get full text

The design and performance of the Gaia photometric system by Jordi, C., Høg, E., Brown, A. G. A., Lindegren, L., Bailer-Jones, C. A. L., Carrasco, J. M., Knude, J., Straižys, V., De Bruijne, J. H. J., Claeskens, J.-F., Drimmel, R., Figueras, F., Grenon, M., Kolka, I., Perryman, M. A. C., Tautvaišiene, G., Vansevičius, V., Willemsen, P. G., Bridžius, A., Evans, D. W., Fabricius, C., Fiorucci, M., Heiter, U., Kaempf, T. A., Kazlauskas, A., Kučinskas, A., Malyuto, V., Munari, U., Reylé, C., Torra, J., Vallenari, A., Zdanavičius, K., Korakitis, R., Malkov, O., Smette, A.

“…The European Gaia astrometry mission is due for launch in 2011. Gaia will rely on the proven principles of the ESA Hipparcos mission to create an all-sky…”
Get full text

How unique is the local region of the Galaxy disk? by Heiter, U, Luck, R E

“…We present the results of a spectroscopic study of over 500 dwarf and giant stars within 100 pc of the Sun. Using stellar metallicity data, the goal of this…”
Get full text

Asteroseismology of the β Cephei star ν Eridani – II. Spectroscopic observations and pulsational frequency analysis by Aerts, C., de Cat, P., Handler, G., Heiter, U., Balona, L. A., Krzesinski, J., Mathias, P., Lehmann, H., Ilyin, I., de Ridder, J., Dreizler, S., Bruch, A., Traulsen, I., Hoffmann, A., James, D., Romero-Colmenero, E., Maas, T., Groenewegen, M. A. T., Telting, J. H., Uytterhoeven, K., Koen, C., Cottrell, P. L., Bentley, J., Wright, D. J., Cuypers, J.

“…We undertook a multisite spectroscopic campaign for the β Cephei star ν Eridani. A total of 2294 high-resolution spectra were obtained from telescopes at 11…”
Get full text

The Böhm-Vitense Gap: The Role of Turbulent Convection by D’Antona, F, Montalbán, J, Kupka, F, Heiter, U

Get full text

Accurate effective temperatures of the metal-poor benchmark stars HD140283, HD122563, and HD103095 from CHARA interferometry by Karovicova, I., White, T. R., Nordlander, T., Lind, Karin, Casagrande, L., Ireland, M. J., Huber, D., Creevey, O., Mourard, D., Schaefer, G. H., Gilmore, G., Chiavassa, A., Wittkowski, M., Jofre, P., Heiter, Ulrike, Thevenin, F., Asplund, M.

“…Large stellar surveys of the MilkyWay require validation with reference to a set of 'benchmark' stars whose fundamental properties are well determined. For…”
Get full text

PLATO as it is: A legacy mission for Galactic archaeology by Miglio, A., Chiappini, C., Mosser, B., Davies, G. R., Freeman, K., Girardi, L., Jofré, P., Kawata, D., Rendle, B. M., Valentini, M., Casagrande, L., Chaplin, W. J., Gilmore, G., Hawkins, K., Holl, B., Appourchaux, T., Belkacem, K., Bossini, D., Brogaard, K., Montalbán, J., Noels, A., Anders, F., Rodrigues, T., Piotto, G., Pollacco, D., Rauer, H., Prieto, C. Allende, Avelino, P. P., Babusiaux, C., Barban, C., Barbuy, B., Basu, S., Baudin, F., Benomar, O., Bienaymé, O., Binney, J., Bland‐Hawthorn, J., Bressan, A., Cacciari, C., Campante, T. L., Cassisi, S., Christensen‐Dalsgaard, J., Combes, F., Creevey, O., Cunha, M. S., Jong, R. S., Laverny, P., Degl'Innocenti, S., Deheuvels, S., Ridder, J., Matteo, P. Di, Mauro, M. P. Di, Dupret, M.‐A., Eggenberger, P., Elsworth, Y., Famaey, B., Feltzing, S., Gerhard, O., Gibson, B. K., Gizon, L., Haywood, M., Handberg, R., Heiter, U., Hekker, S., Huber, D., Ibata, R., Katz, D., Kawaler, S. D., Kurtz, D. W., Lagarde, N., Lebreton, Y., Lund, M. N., Majewski, S. R., Marigo, P., Martig, M., Mathur, S., Minchev, I., Morel, T., Ortolani, S., Pinsonneault, M. H., Plez, B., Moroni, P. G. Prada, Pricopi, D., Recio‐Blanco, A., Reylé, C., Robin, A., Roxburgh, I. W., Salaris, M., Schiavon, R., Serenelli, A., Sharma, S., Aguirre, V. Silva, Soubiran, C., Steinmetz, M., Stello, D., Strassmeier, K. G., Ventura, P., Ventura, R., Walton, N. A., Worley, C. C.

“…Deciphering the assembly history of the Milky Way is a formidable task, which becomes possible only if one can produce high‐resolution chrono‐chemo‐kinematical…”
Get full text

A spectral atlas of [lambda] Bootis stars by Paunzen, E, Heiter, U

“…Since the discovery of [lambda] Bootis stars, a permanent confusion about their classification can be found in literature. This group of non-magnetic,…”
Get full text

KINEMATICS AND CHEMISTRY OF RECENTLY DISCOVERED RETICULUM 2 AND HOROLOGIUM 1 DWARF GALAXIES by Koposov, Sergey E., Casey, Andrew R., Belokurov, Vasily, Lewis, James R., Gilmore, Gerard, Worley, Clare, Hourihane, Anna, Randich, S., Bensby, T., Bragaglia, A., Bergemann, M., Carraro, G., Costado, M. T., Flaccomio, E., Francois, P., Heiter, U., Hill, V., Jofre, P., Lando, C., Lanzafame, A. C., Laverny, P. de, Monaco, L., Morbidelli, L., Sbordone, L., Mikolaitis, Š., Ryde, N.

“…ABSTRACT We report on VLT/GIRAFFE spectra of stars in two recently discovered ultra-faint satellites, Reticulum 2 and Horologium 1, obtained as part of the…”
Get full text