Spectroscopic data of two relatively [O III]-luminous planetary nebulae (PNe) have been obtained with the 10.4 m Gran Telescopio Canarias. M174 and M2496 are each ~1° from the center of M31 along opposite sides of its minor axis. The ensemble of these 2 distant PNe plus 16 similarly luminous outer-disk PNe published previously by Kwitter et al
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Metal-rich Planetary Nebulae in the Outer Reaches of M31Balick, B. et al.92013
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Metallicity dependence of some parameters of Cepheids
Dependence of phenomenological properties of Cepheids on the heavy element abundance is studied. It is found that the amplitude of the pulsation depends on the metallicity of the stellar atmosphere.
Klagyivik, P. et al.Fecha de publicación:
92006 -
Metallicity of the Monoceros Stream from A/F-type Stars
We have obtained metallicity estimates for a sample of A/F-type stars that appear to be members of the recently discovered Monoceros Stream. This sample of candidate main-sequence turn-off stars was chosen from the Sloan Digitized Sky Survey southern program spectra. The average metallicity, = -1.37 ± 0.04, is consistent with the abundance of six
Wilhelm, R. et al.Fecha de publicación:
92005 -
Meteor studies in the framework of the JEM-EUSO program
We summarize the state of the art of a program of UV observations from space of meteor phenomena, a secondary objective of the JEM-EUSO international collaboration. Our preliminary analysis indicates that JEM-EUSO, taking advantage of its large FOV and good sensitivity, should be able to detect meteors down to absolute magnitude close to 7. This
Abdellaoui, G. et al.Fecha de publicación:
92017 -
Meteorite Bulk Density Measurements: A Test of the Glass Bead Immersion Method
Not Available
Soto, A. et al.Fecha de publicación:
91997 -
Micro-simulations Inside the VO: the BaSTI Case
A generalization of the Theoretical Spectral Access Protocol (TSAP) standard called Simple Self-described Service Protocol (S3P) has been used to search and access stellar model data. In particular, a Web server has been implemented that searches for synthetic isochrones and tracks computed using the FRANEC code and stored inside the BaSTI (a Bag
Manzato, P. et al.Fecha de publicación:
92009