Darko Jevremovic

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The ever–expanding depth and quality of photometric and spectroscopic observations of stellar populations increase the need for theoretical models in regions of age–composition parameter space that are largely unexplored at present. Stellar evolution models that employ the most advanced physics and cover a wide range of compositions are needed to extract(More)
The genetic diversity of plum pox virus strain M (PPV-M) was assessed by analyzing 28 isolates collected in 8 European countries. Two genomic fragments spanning the (Cter)P3-6K1-(Nter)CI coding region as well as the full coat protein coding region were sequenced directly from PCR products. Phylogenetic analysis showed that the geographical origin of the(More)
The work on SerVO - Serbian virtual observatory (http://servo.aob.rs/~darko) started in 2008, with aims 1) To establish SerVO and join the EuroVO - European Virtual Observatory and IVOA - Inetrnational Virtual Observatory Alliance; 2) To create SerVO data Center for digitalization and archiving in VO format photo-plates from Belgrade Astronomical(More)
In this lecture we review recent developments in Serbian Virtual Observatory (SerVO) as well as its relation with the European FP7 project: Virtual Atomic and Molecular Data Center-VAMDC. Main components of SerVO are going to be the archive of photographic plates, database of Stark broadening parameters and stellar evolution database. Photographic plates(More)
More than 40 different aphid species (Hemiptera: Aphididae) landing on plum and apricot trees were captured with Sticky shoot method and identified in the experimental orchards in Western Serbia during 2009–2011. The most abundant species found in 2009 and 2011 belongs to the genus Aphis. In 2010, Myzocallis spp. were most abundant. Specimens of the genus(More)
The development of space born astronomy, providing a huge amount of high quality astronomical data created an information avalanche and leaded to the formation of huge data collections. In order to address the problem how to analyse such amount of data, the idea of Virtual Observatory was formulated at the end of 2000, and from 2001 the FP5 project(More)
We review the newly established project of Serbian Virtual Observatory. In the last few years Virtual Observatories are becoming a new concept in the world of astronomy. The main aim of Virtual Observatories is to make accessible astronomical data to astronomers regardless of their geographical location as well as provide them with tools for analysis. The(More)
We show that in order to minimize the uncertainties in the N and O abundances of low mass, low metallicity (O/H ≤ solar/5) emission-line galaxies, it is necessary to employ separate parameterizations for inferring T e (N +) and T e (O +) from T e (O +2). In addition, we show that for the above systems, the ion-ization correction factor (ICF) for obtaining(More)
The recent observation of the frequent occurrence of natural recombinant Plum pox virus (PPV) isolates has led to the identification of a distinct PPV subgroup, named PPV-Rec. The diversity, origin and geographical spread of the recombinant PPV isolates belonging to this subgroup remain, however, relatively poorly known. In an effort to further our(More)
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