Scanning Photometer (SPM) at Syowa Station
Instrument name	Scanning Photometer (SPM)
Observation site	Syowa Station, Antarctica
Observation location	Geographic latitude (deg): -69.00, longitude (deg): 39.58
Observation start	4 March, 2009
Instrument details	- Photometers: 8ch with 8 different interference filters & photomultipliers - Filter wavelength (FWHM) (nm): (A) 2009-2012, (B) 2013- (A) 485.5(3.0) / 484.5(0.6) / 485.5(0.6) / 486.5(0.6) / 487.5(0.6) / 630.0(0.5) / 670.5(4.3) / 844.6(0.7) (B) 482.5(0.6) / 483.5(0.6) / 484.5(0.6) / 485.5(0.6) / 486.5(0.6) / 487.5(0.6) / 670.5(4.3) / 844.6(0.7) - Photomultiplier: Hamamatsu R928, R636-10 (for 630.0,670.0,844.6 nm) - FOV: 3.0 deg - Scan speed: 180deg/10sec - Scanning direction: along magnetic meridian: 0 deg: MN, 180 deg: MS - Data recording: Sampling rate: 20Hz, A/D resolution: 16bit - Manufacturer: TECHNICA Co.
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Principal Investigator	Name: Akira Kadokura Affiliation: National Institute of Polar Research, Tokyo, Japan E-mail: kadokura(at) nipr.ac.jp
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