Results 21 to 30 of about 3,320,308 (251)

Galaxy And Mass Assembly (GAMA) : galaxy close pairs, mergers and the future fate of stellar mass [PDF]

, 2014
ASGR acknowledges STFC and SUPA funding that were used to do this work. GAMA is funded by the STFC (UK), the ARC (Australia), the AAO and the participating institutions.We use a highly complete subset of the Galaxy And Mass Assembly II (GAMA-II) redshift
De Propris, R., De Propis, R., T McNaught-Roberts (16161611), Pimbblet, K. A., A Moffett (7731959), Driver, S. P., M S Owers (16161563), Lara-Lopez, M. A., A M Hopkins (16143587), Lopez-Sanchez, Angel R., B W Holwerda (16219943), Jonathan Loveday (4460899), Owers, M. S., R De Propris (16161587), Obreschkow, D., Holwerda, Benne W., M Cluver (16191152), Baldry, I. K., J Bland-Hawthorn (16111139), Davies, L. J. M., Bauer, A. E., E N Taylor (16143620), Brown, M. J. I., A S G Robotham (16143614), M A Lara-Lopez (16161575), A E Bauer (16161566), Hopkins, A. M., E van Kampen (16112642), Brough, S., Loveday, J., McNaught-Roberts, T., I K Baldry (16072595), Moffett, A., Liske, J., Wilkins, S. M., P Norberg (16143575), Holwerda, B. W., Mahajan, S., L S Kelvin (16143602), K Pimbblet (16191149), Penny, S. J., Robotham, A. S. G., van Kampen, E., M Prescott (10000280), M J Drinkwater (16091732), Bland-Hawthorn, J., N K Agius (16219940), Agius, N. K., Prescott, M., M J I Brown (16143632), Cluver, M., Drinkwater, M. J., S J Penny (16219955), Taylor, E. N., Stephen Wilkins (4461910), Lopez-Sanchez, A. R., D Obreschkow (16219952), S Brough (16143590), S Mahajan (16219949), L J M Davies (16219937), Norberg, P., J Liske (7814738), Kelvin, L. S., Pimbblet, K., S P Driver (16143581), A R López-Sánchez (16219946)   +65 more
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The Mechanism and Timescale of Nodal Precession: Two Nuclear Stellar Disks in the Galactic Center

Open Astronomy, 2015
A dynamical model of interacting nuclear stellar rings in the central parsec of our Galaxy is constructed. We discuss the physical sources of nodal precession and of the associated time scales.
Kondratyev B. P.
doaj   +1 more source

Tracing kinematic (mis)alignments in CALIFA merging galaxies : Stellar and ionized gas kinematic orientations at every merger stage [PDF]

, 2015
J.M.A. and V.W. acknowledge support from the European Research Council Starting Grant (SEDmorph; P.I. V. Wild).We present spatially resolved stellar and/or ionized gas kinematic properties for a sample of 103 interacting galaxies, tracing all merger ...
Ziegler, Katharina B., Bekeraitė, S., D. Mast, Verdes-Montenegro, L., Mcintosh, D., Monreal-Ibero, A., González Delgado, R. M., Aguerri, J., Sánchez, S. F., Lyubenova, M., Kehrig, C., J. Falcón-Barroso, Vílchez, J., Sanchez, Sébastien, García-Benito, R., D. H. McIntosh, J. K. Barrera-Ballesteros, G. van de Ven, Ziegler, B., del Olmo, A., Wild, V., González Delgado, R., Barrera-Ballesteros, J., B. García-Lorenzo, R. García-Benito, García-Lorenzo, B., Méndez-Abreu, J., V. Wild, Cortijo-Ferrero, C., Bomans, D. J., J. Méndez-Abreu, A. Monreal-Ibero, B. Husemann, Iglesias-Paramo, J., Marquez, I., Mast, Damian, Bland-Hawthorn, J., L. Verdes-Montenegro, van de Ven, G., Marino, R. A., R. M. González Delgado, C. J. Walcher, M. Lyubenova, A. del Olmo, Mast, D., I. Marquez, S. Bekeraitė, McIntosh, D. H., Husemann, B., Barrera-Ballesteros, J.K., Aguerri, J. A. L., J. A. L. Aguerri, Barrera-Ballesteros, J. K., Marino, R., J. M. Vílchez, J. Iglesias-Paramo, Marino, R.A., D. J. Bomans, J. Bland-Hawthorn, Walcher, C. J., McIntosh, D.H., R. A. Marino, B. Ziegler, Walcher, C., S. F. Sánchez, Bomans, D., C. Kehrig, Vílchez, J. M., J. Masegosa, Falcón-Barroso, J., Masegosa, J., C. Cortijo-Ferrero   +71 more
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Dark matter in massive early-type galaxies: 100 years of the jeans equations [PDF]

Serbian Astronomical Journal, 2019
In 1919 James Jeans published the book Problems of Cosmogony and Stellar Dynamics in which he summarized his work on dynamics of stellar systems based on his papers published from 1915 onwards.
Samurović S.
doaj   +1 more source

M-dwarf stellar winds : the effects of realistic magnetic geometry on rotational evolution and planets [PDF]

, 2014
AAV acknowledges support from a Royal Astronomical Society Fellowship. JM acknowledges support from a fellowship of the Alexander von Humboldt foundation.We perform three-dimensional numerical simulations of stellar winds of early-M-dwarf stars.
Morin, J., Gombosi, T.I., Donati, J.F., Opher, M., Gombosi, Tamás, Jardine, M., Morin, Julien, Gombosi, T. I., Vidotto, A. A., Vidotto, A.A., Donati, J. F., Gombosi, Tamas I.   +11 more
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Some Self-consistent Models of Infinitely thin Stellar Disks with an Elliptical Velocity Distribution

Open Astronomy, 2014
Distribution functions are found for some models of mass distribution in infinitely thin disks with an elliptical velocity distribution (Maclaurin, Kuzmin-Toomre, Hénon and Mestel disks).
Ossipkov L. P.
doaj   +1 more source

A Study of Eight Visual-spectroscopic Southern Binaries Using Recent SOAR Observations

The Astronomical Journal, 2023
Speckle observations performed between 2019 and 2022 with the HRCam attached to the 4.1 m SOAR telescope (Cerro Pachón, Chile) permitted to improve visual orbits of the southern binaries WDS 01243-0655 (BU 1163), WDS 09275-5806 (CHR 240), WDS 12114-1647 (
José A. Docobo, Pedro P. Campo, Jorge Gómez, René A. Méndez, Edgardo Costa   +4 more
doaj   +1 more source

Astrophysical Properties of 600 Bona Fide Single Stars in the Hyades Open Cluster

The Astronomical Journal, 2023
The determination of the astrophysical properties of stars remains challenging and frequently relies on the application of stellar models. Stellar sequences in nearby open clusters provide some of the best means to test and calibrate stellar evolutionary
Wolfgang Brandner, Per Calissendorff, Taisiya Kopytova   +2 more
doaj   +1 more source

A ring system detected around the Centaur (10199) Chariklo [PDF]

, 2014
Hitherto, rings have been found exclusively around the four giant planets in the Solar System1. Rings are natural laboratories in which to study dynamical processes analogous to those that take place during the formation of planetary systems and galaxies.
Vanzi, L., Frank, N.R., Spagnotto, Julio, H. Monteiro, Harpsøe, Kennet Bomann West, J. Lecacheux, M. Emilio, Braga-Ribas, Felipe, F. Roques, M. Gillon, E. Jehin, Vanzi, Leonardo, Machado, D. I., Roques, Françoise, Lellouch, Emmanuel, Vachier, Frédéric, R. Sfair, Almenares, L., Colazo, C., Colas, F., D. G. Lambas, Jørgensen, U., Jehin, E., Lemos, Pablo, J. L. Ortiz, J. B. Haislip, J. P. Moore, Gil Hutton, Ricardo Alfredo, Wang, X.-b., Gil-Hutton, Ricardo, Ivarsen, Kevin, Opitom, C., R. Melia, Ortiz, J. L., Moore, J., A. Ceretta, Harpsoe, K., Schneiter, E. M., Lambas, Diego García, Lacluyze, A.P., Braga-Ribas, F., Lorenzini, L., Schneiter, E.M., B. Sicardy, Gu, S.-h., L. Almenares, Melia, R., L. Maquet, Reichart, Daniel E., LaCluyze, A. P., Haislip, J. B., Ivarsen, K. M., L. Vanzi, Benedetti-Rossi, G., R. G. Sandness, Haislip, J.B., Garcia Lambas, Diego Rodolfo, G. Tancredi, Perez, V., J. Spagnotto, Sicardy, Bruno, Wang, Xiaobin, Martinez, N., Colas, François, P. Kervella, P. Lemos, Benedetti-Rossi, Gustavo, C. Colazo, Gil-Hutton, R., LaCluyze, A., Tancredi, G., Frank, N. R., Gu, S. -H., Snodgrass, Colin, Maury, A., Gillon, Michaël, Gomes, A. Ramos, Manfroid, Jean, MacHado, D.I., Gomes Jr., A., F. Char, Widemann, Thomas, Ceretta, Alberto, Maury, A. J., M. Dominik, Schneiter, E., Tancredi, Gonzalo, Char, F., Opitom, Cyrielle, Gillon, M., Brage-Ribas, F., Roland, S., Lacluyze, Aaron P., Moutamid, M. El, Lambas, D., Roques, F., Ceretta, A., Manfroid, J., Ligier, N., Lecacheux, J., V. Perez, Monteiro, H., Lambas, D. G., S. Roland, U. G. Jørgensen, El Moutamid, Maryame, Harpsøe, Kennet, Machado, D., J. Pollock, Leiva, R., R. Gil-Hutton, Colazo, Carlos, Benedetti Rossi, G., Mehret, Leandro Cesar, Braga Ribas, F., Frank, Nathan R., El Moutamid, M., Assafin, Marcelo, A. Ramos Gomes, Emilio, M., Gu, S., Jorgensen, U. G., Gu, Shenghong, N. Ligier, M. Rabus, Camargo, Julio, L. Lorenzini, Rabus, Markus, Skottfelt, Jesper Mirsa, Camargo, J. I. B., Sicardy, B., Skottfelt, J., Vieira-Martins, R., Lemos, P., Moore, Justin, Char, Farid, Moore, J.P., Rabus, M., Roig, F., Ivarsen, K., Vachier, F., Sandness, R. G., Wang, X. -B., Camargo, J., K. M. Ivarsen, Haislip, Joshua, Skottfelt, Jesper, Assafin, M., Lellouch, E., Vierira-Martins, R., Sandness, R.G., Vieira Martins, R., Ivarsen, K.M., Reichart, D.E., D. I. Machado, Gomes, A. R., J. Manfroid, Camargo, J., I B, Sfair, R. [UNESP], E. Lellouch, Frank, N., N. Morales, Reichart, D., F. Colas, Ortiz, J.L., X.-b. Wang, C. Opitom, S.-h. Gu, F. Braga-Ribas, Emilio, Marcelo, N. R. Frank, K. Harpsøe, Roland, Santiago, Vieira-Martins, Roberto, J. Skottfelt, Harpsøe, K., Jorgensen, U., N. Martinez, Moore, J. P., Ligier, Nicolas, J. I. B. Camargo, Pollock, J., Camargo, J.I.B., Reichart, D. E., Melia, Raul Roberto, Lecacheux, Jean, Jørgensen, Uffe Gråe, C. Snodgrass, Jørgensen, U.G., G. Benedetti-Rossi, Haislip, J., M. El Moutamid, Camargo, J.,, Sfair, R., Maquet, L., Sfair, Rafael, Mehret, L., Duffard, R., Jørgensen, U. G., Dominik, M., Duffard, R,, Kervella, Patrick, Dominik, Martin, R. Vieira-Martins, Snodgrass, C., Spagnotto, J., Widemann, T., Duffard, René, A. P. LaCluyze, Pollock, Joseph, E. M. Schneiter, Maquet, Lucie, Sandness, R., Morales, N., Kervella, P., Wang, X., L. Mehret, A. Maury, Ramos Gomes, A., F. Vachier, Jehin, Emmanuel, T. Widemann, R. Duffard, Schneiter, E. Matías, F. Roig, R. Leiva, M. Assafin, Ortiz, J., D. E. Reichart, Ortiz, José Luis, Morales, Nicolás, Duffard, René D., Gomes, A. Ramos, Jr.   +232 more
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The Schwarzschild Precession of S-Stars as a Probe for General Relativity: The Possible Presence of a Fifth Force at the Galactic Center

Universe
In this paper, we investigated the capability of Yukawa gravity to explain the Schwarzschild precession of S-stars as a probe for General Relativity and to map the allowed parameter space of a potential fifth force.
Predrag Jovanović, Vesna Borka Jovanović, Duško Borka   +2 more
doaj   +1 more source