IGRINS Instrument Information

With the 2.7m Harlan J. Smith Telescope at McDonald Observatory (30° 40' 17.4" N, 104° 01' 21.4" W)

Wavelength Coverage	H: 1.47-1.81μm, K: 1.95-2.48μm
Spectral Resolution	R = λ/Δλ = ~45,000 (1.164x10^-5 μm/pixel; 2km/s per pixel)
Resolution Element (3.3 pixels)	3.84x10^-5 μm ; ~6.6 km/s
Slit Scale	1" x 14.8" (8.6 x 124 pixels)
SVC Field of View	~187" x 112" (Slit Viewer Field-of-View)
Pixel Scale	0.119" per pixel (SVC)
Detectors	2k x 2k Teledyne HgCdTe HAWAII-2RG CMOS
Detector Gain	H: ~2.05 e-/ADU, K: ~2.21 e-/ADU
Full Well	H: ~9.1x10⁴ e-, K: ~10⁵ e-
Minimum Data Taking Time	1.63 sec exposure with Fowler number 1
Read Noise	H: ~10.92 e-, K: ~8.93 e-

Detector information is based on the results in Jeong et al. (2014) and Park et al. (2014).

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