92 citations · 164 across the 7 of their papers we have counts for
4 papers · 1 filter
Filling Factors of Sunspots in SODISM Images
Amro F. Alasta, Abdrazag Algamudi, Fatma Almesrati +2
Received: 1st December 2018; Accepted: 18th February 2019; Published: 1st April 2019 Abstract: The calculated filling factors (FFs) for a feature reflect the fraction of the solar…
Investigation of faint galactic carbon stars from the first Byurakan spectral survey. III. Infrared characteristics
K. S. Gigoyan, A. Sarkissian, C. Rossi +5
Infra-Red(IR) astronomical databases, namely, IRAS, 2MASS, WISE, and Spitzer, are used to analyze photometric data of 126 carbon stars whose spectra are visible in the First Byurak…
On the importance of astronomical refraction for modern Solar astrometric measurements
T. Corbard, R. Ikhlef, F. Morand +2
In this work we study in details the influence of pure astronomical refraction on solar metrologic measurements made from ground-based full disk imagery and provide the tools for c…
Helioseismology with PICARD
T. Corbard, D. Salabert, P. Boumier +10
PICARD is a CNES micro-satellite launched in June 2010 (Thuillier at al. 2006). Its main goal is to measure the solar shape, total and spectral irradiance during the ascending phas…