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Institution

Royal Institute and Observatory of the Spanish Navy

FacilitySan Fernando, Spain
About: Royal Institute and Observatory of the Spanish Navy is a facility organization based out in San Fernando, Spain. It is known for research contribution in the topics: Gamma-ray burst & Magnetic anomaly. The organization has 50 authors who have published 106 publications receiving 2565 citations. The organization is also known as: Instituto y Observatorio de Marina de San Fernando.


Papers
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Journal ArticleDOI
TL;DR: The optical afterglow of the intense gamma-ray burst GRB 991208 was observed for 2.1 days after the event and continued until 4 Apr 2000.
Abstract: Broad-band optical observations of the extraordi- narily bright optical afterglow of the intense gamma-ray burst GRB 991208 started � 2.1 days after the event and continued until 4 Apr 2000. The flux decay constant of the optical after- glow in the R-band is 2.30 ± 0.07 up to � 5 days, which

96 citations

Journal ArticleDOI
TL;DR: In this paper, the analytic continuation of periodic orbits of conservative dynamical systems with three degrees of freedom is studied, where a predictor-corrector algorithm is used to compute the initial conditions of the periodic orbits pertaining to the family.
Abstract: This paper deals with the analytic continuation of periodic orbits of conservative dynamical systems with three degrees of freedom. For variations of any parameter (or integral), it relies on numerical analysis in order to implement a predictor-corrector algorithm to compute the initial conditions of the periodic orbits pertaining to the family. The method proposed here is not restricted to symmetric problems and, since the procedure involves the computation of the variational equations, a side effect is the trivial computation of the linear stability of the periodic orbits. As an illustration of the robustness of the method, several families of periodic orbits of the Restricted Three-Body Problem are computed.

81 citations

Journal ArticleDOI
01 Jul 2001
TL;DR: In this paper, the optical transient of the long-duration gamma-ray burst GRB 000926 was detected independently with the Nordic Optical Telescope and at Calar Alto 22.2 hours after the burst.
Abstract: We present the discovery of the Optical Transient (OT) of the long{duration gamma-ray burst GRB 000926. The optical transient was detected independently with the Nordic Optical Telescope and at Calar Alto 22.2 hours after the burst. At this time the magnitude of the transient was R =1 9:36. The transient faded with ad ecay slope of about 1:7 during the rst two days after which the slope increased abruptly (within a few hours) to about 2:4. The light-curve started to flatten o after about a week indicating the presence of an underlying extended object. This object was detected in a deep image obtained one month after the GRB at R =2 3:87 0:15 and consists of several compact knots within about 5 arcsec. One of the knots is spatially coin- cident with the position of the OT and hence most likely belongs to the host galaxy. Higher resolution imaging is needed to resolve whether all the compact knots belong to the host galaxy or to several independent objects. In a separate paper we present a discussion of the optical spectrum of the OT, and its inferred redshift (Mller et al., in prep.).

72 citations

Journal ArticleDOI
01 Mar 2003
TL;DR: In this paper, a grid of spectral templates have been fitted to the Spectral Energy Distribution (SED) of the host galaxy of the dark gamma-ray burst (GRB) of February 10, 2000.
Abstract: We present UBVRIZJsHKs broad band photometry of the host galaxy of the dark gamma-ray burst (GRB) of February 10, 2000. These observations represent the most exhaustive photometry given to date of any GRB host galaxy. A grid of spectral templates have been fitted to the Spectral Energy Distribution (SED) of the host. The derived photometric redshift is z = 0.842 +0.054 −0.042 , which is in excellent agreement with the spectroscopic redshift (z = 0.8463 ± 0.0002) proposed by Piro et al. (2002) based on a single emission line. Furthermore, we have determined the photometric redshift of all the galaxies in an area of 6 ' × 6 ' around the host galaxy, in order to check for their overdensity in the environment of the host. We find that the GRB 000210 host galaxy is a subluminous galaxy (L � 0.5 ± 0.2L ⋆ ), with no companions above our detection threshold of 0.18 ± 0.06L ⋆ . Based on the restframe ultraviolet flux a star formation rat e of 2.1 ± 0.2M⊙ yr −1 is estimated. The best fit to the SED is obtained for a starburst template with an age of 0.181 +0.037 −0.026 Gyr and a very low extinction (AV � 0). We discuss the implications of the inferred low value of AV and the age of the dominant stellar population for the non detection of the GRB 000210 optical afterglow.

70 citations

Journal ArticleDOI
TL;DR: In this article, a Global Positioning System (GPS) derived horizontal crustal deformation obtained from five occupations of the CuaTeNeo GPS network (1997, 2002, 2006, 2009 and 2011) is presented.

69 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20233
20223
20212
20201
20195
20184