Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Joncour, Isabelle"'
Autor:
Winter, Andrew J., Benisty, Myriam, Shuai, Linling, Dûchene, Gaspard, Cuello, Nicolás, Anania, Rossella, Cadiou, Corentin, Joncour, Isabelle
Publikováno v:
A&A 691, A43 (2024)
Stars and planets form in regions of enhanced stellar density, subjecting protoplanetary discs to gravitational perturbations from neighbouring stars. Observations in the Taurus star-forming have uncovered evidence of at least three recent, star-disc
Externí odkaz:
http://arxiv.org/abs/2409.13021
Autor:
Thomasson, Benjamin, Joncour, Isabelle, Moraux, Estelle, Motte, Fédérique, Louvet, Fabien, González, Marta, Nony, Thomas
Publikováno v:
A&A 689, A133 (2024)
Molecular clouds are the most important incubators of young stars clustered in various stellar structures whose spatial extension can vary from a few AU to several thousand AU. Although the reality of these stellar systems has been established, the p
Externí odkaz:
http://arxiv.org/abs/2408.02472
Autor:
González, Marta, Joncour, Isabelle, Buckner, Anne S. M., Khorrami, Zeinhab, Moraux, Estelle, Lumsden, Stuart L., Clark, Paul, Oudmaijer, René D., Blanco, José Manuel, de la Calle, Ignacio, Herrera-Fernandez, José María, Salgado, Jesús J., Valero-Martín, Luis, Torres, Zoe, Hacar, Álvaro, Ulla, Ana
Publikováno v:
A&A 647, A14 (2021)
The spatial and dynamical structure of star-forming regions can help provide insights on stellar formation patterns. The amount of data from current and upcoming surveys calls for robust and objective procedures to detect structure, so the results ca
Externí odkaz:
http://arxiv.org/abs/2011.10574
Autor:
Robitaille, Jean-François, Abdeldayem, Abdelhalim, Joncour, Isabelle, Moraux, Estelle, Motte, Frédérique, Lesaffre, Pierre, Khalil, André
Publikováno v:
A&A 641, A138 (2020)
We propose a new statistical model that can reproduce the hierarchical nature of the ubiquitous filamentary structures of molecular clouds. This model is based on the multiplicative random cascade, which is designed to replicate the multifractal natu
Externí odkaz:
http://arxiv.org/abs/2007.08206
Autor:
Buckner, Anne S. M., Khorrami, Zeinab, Gonzalez, Marta, Lumsden, Stuart L., Moraux, Estelle, Oudmaijer, Rene D., Clark, Paul, Joncour, Isabelle, Blanco, Jose Manuel, de la Calle, Ignacio, Hacar, Alvaro, Herrera-Fernandez, Jose M., Motte, Frederique, Salgado, Jesus, Valero-Martin, Luis
Publikováno v:
A&A 636, A80 (2020)
Aims. To demonstrate that `INDICATE' is a powerful spatial analysis tool which when combined with kinematic data from Gaia DR2 can be used to robustly probe star formation history. Methods. We compared the dynamic & spatial distributions of young ste
Externí odkaz:
http://arxiv.org/abs/2002.12673
Autor:
Khorrami, Zeinab, Khalaj, Pouria, Buckner, Anne S. M., Clark, Paul C., Moraux, Estelle, Lumsden, Stuart, Joncour, Isabelle, Oudmaijer, Rene D., de la Calle, Ignacio, Herrera-Fernandez, Jose M., Motte, Frederique, Blanco, Jose Manuel, Valero-Martin, Luis
We introduce our new code MYOSOTIS (Make Your Own Synthetic ObservaTIonS) which is designed to produce synthetic observations from simulated clusters. The code can synthesise observations from both ground- and spaced-based observatories, for a range
Externí odkaz:
http://arxiv.org/abs/1902.05525
Autor:
Buckner, Anne S. M., Khorrami, Zeinab, Khalaj, Pouria, Lumsden, Stuart L., Joncour, Isabelle, Moraux, Estelle, Clark, Paul, Oudmaijer, Rene D., Blanco, Jose Manuel, de la Calle, Ignacio, Herrera-Fernandez, Jose M., Motte, Frederique, Salgado, Jesus J., Valero-Martin, Luis
Publikováno v:
A&A 622, A184 (2019)
Aims. To present the new novel statistical clustering tool 'INDICATE' which assesses and quantifies the degree of spatial clustering of each object in a dataset, discuss its applications as a tracer of morphological stellar features in star forming r
Externí odkaz:
http://arxiv.org/abs/1901.02371
Multiplicity and clustering of young pre-main sequence stars appear as critical clues to constrain the star formation process. Taurus is the archetypical example of the most quiescent star forming regions that may still retain primeval signatures of
Externí odkaz:
http://arxiv.org/abs/1809.02380
Using new proper motion data from recently published catalogs, we revisit the membership of previously identified members of the Upper Scorpius association. We confirmed 750 of them as cluster members based on the convergent point method, compute the
Externí odkaz:
http://arxiv.org/abs/1803.01607
Publikováno v:
A&A 599, A14 (2017)
We collected the multiplicity data of stars in Taurus to build an up-to-date stellar/multiplicity catalog. After a general study of nearest-neighbor statistics on spatial random distribution, we introduce the one-point correlation $\Psi$ function to
Externí odkaz:
http://arxiv.org/abs/1612.02098