Results 21 to 30 of about 5,213,633 (303)

Fictions, Conditionals, and Stellar Astrophysics [PDF]

, 2013
This article argues in favour of an inferential role for fictions in scientific modelling. The argument proceeds by means of a detailed case study, namely models of the internal structure of stars in stellar astrophysics.
Suárez, Mauricio, Mauricio Suárez
core   +1 more source

Synthetic stellar populations: single stellar populations, stellar interior models and primordial protogalaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2004
We present a new set of stellar interior and synthesis models for predicting the integrated emission from stellar populations in star clusters and galaxies of arbitrary age and metallicity. This work differs from existing spectral synthesis codes in a number of important ways, namely (1) the incorporation of new stellar evolutionary tracks, with ...
Jimenez, Raul, MacDonald, James, Dunlop, James, Padoan, Paolo, Peacock, John   +4 more
openaire   +2 more sources

cx2204/stellar-radius: stellar radius microphysics

, 2022
Full Changelog: https://github.com/cx2204/stellar-radius/commits/v1.
cx2204
core   +1 more source

Influence of surface stressing on stellar coronae and winds [PDF]

, 2013
STFC funding has supported this research.The large-scale field of the Sun is well represented by its lowest energy (or potential) state. Recent observations, by comparison, reveal that many solar-type stars show large-scale surface magnetic fields that ...
Morin, J., Fares, R., Jardine, Moira, Donati, J. -F., Jardine, M., Morin, Julien, Fares, Rim, Donati, J.-F., Vidotto, A. A., Donati, Jean-François, Gombosi, T. I., van Ballegooijen, A., Gombosi, Tamas I., Jardine, M.; id_orcid   +13 more
core   +1 more source

LEGA-C stellar population scaling relations

Astronomy & Astrophysics
We analysed the stellar population properties of a well-defined sample of 552 galaxies at redshift 0.6 
Gallazzi Anna R., Zibetti Stefano, van der Wel Arjen, Nersesian Angelos, Kaushal Yasha, Bezanson Rachel, D’Eugenio Francesco, Bell Eric F., Leja Joel, Scholz-Diaz Laura, Wu Po-Feng, Pacifici Camilla, Maseda Michael, Mattolini Daniele   +13 more
doaj   +3 more sources

Stellar population in bulge of spiral galaxies [PDF]

, 2007
Photometry and long-slit spectroscopy are presented for 14 S0 and spiral galaxies of the Fornax, Eridanus and Pegasus clusters and the NGC 7582 group. The age, metallicity and α/Fe enhancement of the stellar population in the centres and their gradients ...
Bertola, F., PIZZELLA, ALESSANDRO, COCCATO L., Corsini, E., Corsini, E. M., Méndez Abreu, J., MÉNDEZ ABREU J., Pizzella, A., Saglia, R., Pompei, E., Mendez-Abreu, J., Morelli, L., POMPEI E., BERTOLA, FRANCESCO, SAGLIA R. P., Mendez, J., Saglia, R. P., SARZI M., SAGLIA R., CORSINI, ENRICO MARIA, Coccato, L., Sarzi, M., MORELLI, LORENZO   +22 more
core   +1 more source

Galaxy masses [PDF]

, 2014
Galaxy masses play a fundamental role in our understanding of structure formation models. This review addresses the variety and reliability of mass estimators that pertain to stars, gas, and dark matter.
Courteau, Stephane, Cappellari, Michele, Hoekstra, Henk, Treu, Tommaso, Widrow, Lawrence M., Emsellem, Eric, Maraston, Claudia, Koopmans, L. V. E., Dutton, Aaron A., Mamon, Gary A., de Jong, Roelof S.   +10 more
core   +1 more source

Stellar populations of shell galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2017
Submitted to MNRAS.
Carlsten, S., Hau, G. K. T., Zenteno, A.
openaire   +2 more sources

Early assembly of the most massive galaxies [PDF]

, 2009
The current consensus is that galaxies begin as small density fluctuations in the early Universe and grow by in situ star formation and hierarchical merging(1).
Chris A. Collins, Scott T Kay (16045382), Nicola Mehrtens (16047884), Ed Lloyd-Davies, Hoyle, Ben, Hosmer, Mark, Christopher J. Miller, Ben Hoyle, Mehrtens, Nicola, Robert G. Mann, Pedro T. P. Viana, Martin Sahlén (267044), S Adam Stanford (16061237), Mark Hosmer (16070585), Robert C Nichol (16067396), John P Stott (16070582), Martin Sahlén, Sahlen, Martin, John P. Stott, Kathy Romer (4460893), Matt Hilton (6956609), Viana, Pedro T. P., Mann, Robert G., Ben Hoyle (6914513), Stott, John P., Matt Hilton, Robert G Mann (7965452), Andrew Liddle, Stanford, S. Adam, Christopher J Miller (16070591), A. Kathy Romer, Davidson, Michael, Ed Lloyd-Davies (16075100), Romer, A. Kathy, Robert C. Nichol, Andrew Liddle (16042793), Pedro T P Viana (16045379), Nichol, Robert C., Kay, Scott T., Michael J. West, Chris A Collins (16061234), Scott T. Kay, Collins, Chris A., Michael Davidson, Mark Hosmer, West, Michael J., Michael Davidson (699678), S. Adam Stanford, Michael J West (5524436), Liddle, Andrew, Nicola Mehrtens, Miller, Christopher J., Hilton, Matt, Lloyd-Davies, Ed   +53 more
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Disentangling planetary orbits from stellar activity in radial-velocity surveys [PDF]

, 2013
The majority of extra-solar planets have been discovered (or confirmed after follow-up) through radial-velocity (RV) surveys. Using ground-based spectrographs such as High Accuracy Radial Velocity Planetary Search (HARPS) and HARPS-North, it is now ...
Segransan, Damien, Pollacco, Don, Fares, R, Pollacco, D, Queloz, D., Haywood, R.D., Pollacco, D., Gillon, M, Gillon, M., Barros, SCC, Lanza, AF, Pepe, F., Cameron, A. Collier, Hatzes, A., Ségransan, D., Lovis, C, Lovis, Christophe, Moutou, C, Barros, S. C. C., Santerne, A., Unruh, Y., Haywood, R. D., Unruh, Y, Fares, R., Segransan, D, Moutou, C., Deleuil, M., Barros, S.C.C., Cameron, AC, Lanza, A.F., Pepe, F, Deleuil, M, Haywood, RD, Gillon, Michaël, Pepe, Francesco Alfonso, Santerne, A, Queloz, Didier, Lovis, C., Cameron, A.C., Hatzes, A, Lanza, A. F., Queloz, D, Cameron, A.C.; id_orcid   +42 more
core   +1 more source