Evidence for magnetic activity at starbirth: a powerful X-ray flare from the Class 0 protostar HOPS 383

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Volume 638 (June 2020)

A&A, 638 (2020) L4

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Table D.1.

Log of SOAR observations with Spartan (proposal ID 2016B-0930, PI: N.G.; observers: K.H. and D.P.).

Filter	Wavelength	Width	Start time	DIT ^(a)	NDIT ^(b)	Exposure ^(c)	FWHM^(d)
	(microns)	(microns)	(UT)	(s)		(s)	(arcsec)
K	2.148	0.307	2017-12-14T01:01:22	179.98	37	6659.26	1.0
H₂	2.116	0.031	2017-12-14T03:47:50	240.09	11	2640.99	1.0

Notes. We also obtained standard infrared calibration data: dark exposures and dome flat exposures with the lamp on and off to account for the thermal emission from the telescope.

^(a)

Detector integration time.

^(b)

Number of frame exposures with the target.

^(c)

Total exposure of the stacked dithered frames.

^(d)

Image quality of the stacked dithered frames.

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