First stars XIII. Two extremely metal-poor RR Lyrae stars?

First Stars XIV. Sulfur abundances in extremely metal-poor (EMP) stars

First Stars. I. Evolution without mass loss

First Stars. II. Evolution with mass loss

First sub-millimeter detection of the TWA brown dwarf disc 2MASSW J1207334-393254

First Sunquake of Solar Cycle 24 Observed by Solar Dynamics Observatory

First visual orbit for the prototypical colliding-wind binary WR 140

First VLT/X-shooter spectroscopy of early-type stars outside the Local Group

First, Second and Third Massive Stars in Open Clusters

Fitting of dust spectra with genetic algorithms - I. Perspectives & Limitations

Five colour photometry of the RRd star V372 Ser

Five-Year Optical and Near Infrared Observations of the Extremely Slow Nova V1280 Scorpii

FLAMINGOS Near Infra-Red Survey of The Serpens Cloud Main Core

Flare and CME Properties and Rates at Sunspot Minimum

Flare induced penumbra formation in the sunspot of NOAA 10838

Flaring Solar Hale Sector Boundaries

Flash Mixing on the White Dwarf Cooling Curve: Spectroscopic Confirmation in NGC 2808

Flavor stability analysis of supernova neutrino fluxes compared with simulations

Flavours of variability: 29 RR Lyrae stars observed with Kepler

Flickering study of nova like systems KR Aur and UU Aqr