San Pedro Mártir Mid-Infrared Photometric System

Details San Pedro Mártir Mid-Infrared Photometric System San Pedro Mártir Mid-Infrared Photometric System

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rmxaa..42..273s&link_type=abstract

Revista Mexicana de Astronomía y Astrofísica Vol. 42, pp. 273-289 (2006)

Astronomy and Astrophysics

Astronomy

6

Instrumentation: Photometers, Site Testing, Stars: Fundamental Parameters, Techniques: Photometric

Scientific paper

With the goal of defining the San Pedro Martir Mid-infrared Photometric System (SPM-MIR), observations of well-defined calibration stars were carried out on 9 photometric runs from 2000 to 2005. The mid-infrared (2 - 28 μm) camera CID-BIB of the Observatorio Astronómico Nacional was used. A set of 9 filters, the ``silicate'' series SiN, SiO, SiP, SiQ, SiR, SiS, the broad-band N (10.8 μm) filter, and the narrow-band QH2 (17.15 μm) and Q2 (18.7 μm), was used to derive the extinction coefficients and zero magnitude points. Atmospheric extinction corrections were carried out making use of Padé approximants and we found a linear dependence on the parameters with the low air mass extinction coefficient. The atmospheric transmission curves and extinction coefficients of SPM were compared with those obtained for the Mauna Kea site. Color terms were derived using a set of IRAS LSR sources observed with the CID-BIB.

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