The impact of lossy data compression on the power spectrum of the high-redshift 21 cm signal with LOFAR

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Table 2.

Two nights of real LOFAR HBA observations analyzed in this work.

Parameter	L246297	L246309
Observation cycle	2	2
UTC ^(a) start date-time	2014-10-23	2014-10-16
	16:46:30	17:01:41
LST ^(b) start-time [hour]	19.3	19.1
Duration [hour]	13.0	12.6
SEFD ^(c) estimate	4294	4253
Number of stations ^(d)	62	62
Frequency range (MHz)	148–160	148–160
Frequency resolution ^(e) (kHz)	12.2, 61.0	12.2, 61.0
Time resolution (s)	2.0	2.0

Notes.

^(a)

Coordinated Universal Time.

^(b)

Local Sidereal Time.

^(c)

System Equivalent Flux density; as reported in Mertens et al. (2020).

^(d)

International stations not included.

^(e)

Values corresponding to data with 15 and 3 channel per sub-band, i.e., before and after frequency averaging.

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