SOFIA observations of the planetary nebula NGC 7009
We report spectrophotometric observations made with SOFIA/FORCAST on 2011 June 2 UT. Optical measurements have previously shown that the abundance discrepancy...
Soft X-ray to Far Infrared luminosities ratio in star-forming galaxies
A good correlation has been found in star-forming galaxies between the soft X-ray and the far infrared or radio luminosities. In this work we analyze the...
Soft X-Ray Transient Light Curves as Standard Candles: Exponential Versus Linear Decays
A recent paper by King & Ritter (KR) proposed that the light curves of Soft X-ray Transients (SXTs) are dominated by the effect of irradiation of the accretion...
Software architecture and development plan for a 4m fully autonomous observatory (New Robotic Telescope)
The New Robotic Telescope (NRT) is a new UK/Spain 4-m optical telescope on La Palma. When complete it will be the world's largest and fastest, fully autonomous...
Software architecture of the high-level control of FRIDA
The instrument FRIDA (inFRared Imager and Dissector for Adaptive optics) is an integral field spectrograph (near infrared) operating at the wavelength range of...
Software Package for Preparing and Processing of an Astronomical Observation
This paper presents an astronomical software package which draws celestial charts. It was conceived taking into account the technical possibilities available...
Soi/soar Search For Short-Period Variable Stars In The Open Cluster Ngc 6531
In this work we report preliminary results of a search for shortperiod variable stars in the open cluster NGC 6531. In particular we looked for new roAp, Delta...
Soil and water conservation strategies and impact on sustainable livelihood in Cape Verde - Case study of Ribeira Seca watershed
Cape Verde, located off the coast of Senegal in western Africa, is a volcanic archipelago where a combination of human, climatic, geomorphologic and pedologic...