Decay of the GRB 990123 Optical Afterglow: Implications for the Fireball Model
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Castro-Tirado, Alberto J. et al.
Advertised on:
3
1999
This section contains the publications database that collects IAC articles published in scientific journals. Please, click on the arrow to see full search filter and sort options: author, journal, year, etc..
It also provides access to IAC Preprints Repository here: https://research.iac.es/preprints/
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Condiciones Físicas en Nebulosas GaseosasEl presente trabajo se ha enfocado a determinar y entender las condiciones físicas en una variedad de objetos nebulares, prestando particular atención al problema de la determinación de las abundancias químicas. Para este fin, hemos utilizado métodos analíticos en algunos casos, y modelos numéricos de fotoionización en otros. El objetivo generalLuridiana, V.
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31999 -
COMPARATIVE KINEMATICS OF GAS AND STARS IN DISC GALAXIESEn este trabajo se presenta un conjunto de datos espectroscópicos obtenidos de una muestra de galaxias de diferentes tipos morfológicos. Estos datos se discuten con la intención de analizar comparativamente la cinemática del gas y de las estrellas. Los resultados son muy heterogéneos pero conducen a una conclusión fundamental la cinemática del gasJUAN CARLOS VEGA BELTRAN
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31999 -
Circumstellar PAHs in IRAS 16594-4656: a new proto-planetary nebula with a strong 21mum dust featureBased on ISO SWS+LWS observations, we identify IRAS 16594-4656 as a new member of the rare class of C-rich proto-planetary nebulae with the 21 μm dust feature in emission. In addition, the major PAHs emission bands at 3.3, 6.2, 7.7, 8.6 and 11.3 μm are detected, together with unusually strong features at 12.6 and 13.4 μm , very rarely observedGarcia-Lario, P. et al.
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31999 -
Basaltic Lunar Meteorite EET96008 and Evidence for Pairing with EET87521Geochemical study of lunar meteorite EET96008 shows that it is a heterogeneous basaltic breccia containing matrix and clasts of variable composition. Comparison with EET87521 shows that the two breccias are almost certainly paired meteorites.Lindstrom, M. M. et al.
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31999 -
A narrowband imaging survey of symbiotic starsNarrowband images of 51 symbiotic stars were obtained at the ESO and ORM observatories to search for resolved optical nebulae. Ionized nebulae much larger than previously known are found around CH Cyg, HM Sge and V1016 Cyg, and they will be discussed in detail in forthcoming papers. A nebula with a deconvolved size between 0farcs9 and 1farcs5 isCorradi, Romano L. M. et al.
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31999