Optical Seeing at Sierra Negra | Zendy

Esperanza Carrasco | Zendy; A. Carramiñana | Zendy; José Luis Avilés | Zendy; O. Yam | Zendy

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Optical Seeing at Sierra Negra

Author(s) -

Esperanza Carrasco,

A. Carramiñana,

José Luis Avilés,

O. Yam

Publication year - 2003

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/376396

Subject(s) - geography , telescope , optical telescope , remote sensing , physical geography , environmental science , physics , astronomy

Optical seeing measurements carried out at Sierra Negra, the site of theLarge Millimeter Telescope, are reported. The site, one of the highest peaks ofCentral Mexico, offers good coverage of Northern and Southern hemispheres andwe have undertaken several campaigns to investigate the astronomical potentialof the site in the optical. Here we report on our campaign aimed atestablishing the seeing quality of the site. We present data of the first threecampaigns of optical seeing monitoring covering from February 2000 to May 2002,carried out with a Differential Image Motion Monitor. The results clearlyindicate a sub-arcsec seeing, better statistics during the dry season and nodependence with the time of night. We find no dependence of our results withthe integration time used.Comment: Accepted for publication in the July 2003 issue of the PAS

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