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| DOI | 10.1093/MNRAS/STW1559 | ||||
| Año | 2016 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We attempt to find a progenitor for the ultrafaint object Segue 1 under the assumption that it formed as a dark matter free star cluster in the past. We look for orbits, using the elongation of Segue 1 on the sky as a tracer of its path. Those orbits are followed backwards in time to find the starting points of our N-body simulations. The successful orbit, with which we can reproduce Segue 1 has a proper motion of mu(alpha) = -0.19 mas yr(-1) and mu delta = -1.9 mas yr(-1), placing Segue 1 near its apogalacticon today. Our best-fitting model has an initial mass of 6224 M-circle dot and an initial scalelength of 5.75 pc.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | DOMINGUEZ-FIGUEROA, RAUL ESTEBAN | Hombre |
Universidad de Concepción - Chile
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| 2 | Fellhauer, Michael | Hombre |
Universidad de Concepción - Chile
Centro de Excelencia en Astrofísica y Tecnologías Afines - Chile |
| 3 | BLANA, MATIAS | Hombre |
Max Planck Inst Extraterr Phys - Alemania
Max Planck Institute for Extraterrestrial Physics - Alemania |
| 4 | FARIAS-OSSES, JUAN PABLO | Hombre |
Universidad de Concepción - Chile
UNIV FLORIDA - Estados Unidos University of Florida - Estados Unidos |
| 5 | Dabringhausen, Joerg | Hombre |
Universidad de Concepción - Chile
|
| 6 | CANDLISH, GRAEME NICHOLAS | Hombre |
Universidad de Concepción - Chile
Universidad de Valparaíso - Chile |
| 7 | Smith, R. | - |
Yonsei Univ - Corea del Sur
|
| 8 | CHOQUE-CHALLAPAS, NELVY CRISTINA | - |
Universidad de Concepción - Chile
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| Fuente |
|---|
| FONDECYT |
| CONICYT |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Comisión Nacional de Investigación Científica y Tecnológica |
| Basal |
| Comisión Nacional de Investigación CientÃfica y Tecnológica |
| Fondo Nacional de Desarrollo CientÃfico y Tecnológico |
| Brain Korea 21 Plus Program |
| Doyak Grant |
| Agradecimiento |
|---|
| MF acknowledges financial support of FONDECYT grant no. 1130521 and BASAL PFB-06/2007. RD and JPF are partly funded through a studentship of FONDECYT grant no. 1130521. JPF acknowledges funding through a CONICYT studentship for Magister students. JD is funded through FONDECYT grant no. 3140146 and GNC is funded through FONDECYT grant no. 3130480. RS acknowledges support from Brain Korea 21 Plus Program(21A20131500002) and the Doyak Grant (2014003730). |
| Acknowledgements MF acknowledges financial support of FONDECYT grant no. 1130521 and BASAL PFB-06/2007. RD and JPF are partly funded through a studentship of FONDECYT grant no. 1130521. JPF acknowledges funding through a CONICYT studentship for Magister students. JD is funded through FONDECYT grant no. 3140146 and GNC is funded through FONDECYT grant no. 3130480. RS acknowledges support from Brain Korea 21 Plus Program(21A20131500002) and the Doyak Grant (2014003730). |