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Spectral evolution of star clusters in the Large Magellanic Cloud: I. Blue concentrated clusters in the age range 40-300 Myr
J. F. C. Santos, J. J. Claria, A. V. Ahumada +3
Integrated spectroscopy of a sample of 17 blue concentrated Large Magellanic Cloud (LMC) clusters is presented and its spectral evolution studied. The spectra span the range ~3600-…
Integrated spectral analysis of 18 concentrated star clusters in the Small Magellanic Cloud
A. E. Piatti, J. F. C. Santos, J. J. Claria +3
We present in this study flux-calibrated integrated spectra in the range 3600-6800A for 18 concentrated SMC clusters. Cluster reddening values were estimated by interpolation betwe…
Photometric and spectroscopic study of low mass embedded star clusters in reflection nebulae
J. B. Soares, E. Bica, A. V. Ahumada +1
An analysis of the candidate embedded stellar systems in the reflection nebulae vdBH-RN26, vdBH-RN38, vdBH-RN53a, GGD20, ESO95-RN18 and NGC6595 is presented. Optical spectroscopic…
On the calibration of the COBE/IRAS dust emission reddening maps
C. M. Dutra, A. V. Ahumada, J. J. Claria +3
In this work we study the spectral properties (3600 - 6800 A) of the nuclear region of early-type galaxies at low (|b|<25, intermediate (including surroundings of the Magellanic Cl…
Background galaxies as reddening probes throughout the Magellanic Clouds
C. M. Dutra, E. Bica, J. J. Claria +2
We study the spectral properties in the range 3600 Å- 6800 Åof the nuclear region of galaxies behind the Magellanic Clouds. The radial velocities clarified the nature of the object…
Optical Light Curve of the Type Ia Supernova 1998bu in M96 and the Supernova Calibration of the Hubble Constant
Nicholas B. Suntzeff, M. M. Phillips, R. Covarrubias +15
We present the UBVRI light curves of the Type Ia supernova SN 1998bu which appeared in the nearby galaxy M96 (NGC 3368). M96 is a spiral galaxy in the Leo I group which has a Cephe…