... 287

Based partly on observations made with the Nordic Optical Telescope, operated on the island of La Palma jointly by Denmark, Finland, Iceland, Norway and Sweden in the Spanish Observatorio del Roque de Los Muchachos of the Instituto de Astrofísica de Canarias.

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Based partly on observations collected at the German-Spanish Astronomical Center, Calar Alto, operated by the Max-Planck-Institute für Astronomie, Heidelberg, jointly with the Spanish National Commission for Astronomy.

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Based partly on observations carried out at Observatorio Astronomico National, San Pedro Martir, Baja California, Mexico.

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Based partly on observations made with the IAC-80 Telescope and the Carlos Sánchez Telescope operated on the island of Tenerife by the Instituto de Astrofísica de Canarias at the Spanish Observatorio del Teide.

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...

Visiting Astronomer, on leave from Abastumani Observatory.

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