Cool and hot emission in a recurring active region jet

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Table 3

Plasma parameters for the spire and footpoint of the jet 4.

Plasma parameters	Jet-spire	Jet-footpoint

(using AIA and IRIS)
First slit time (UT)	08:20:29	08:28:03
Last slit time (UT)	08:21:00	08:28:18
log T (K) for peak DEM	5.6–5.9	6.5
Peak DEM (cm^-5 K^-1)	1.3×10²¹	7×10²¹
Electron density from O IV (cm^-3)	2.0×10¹⁰	7.6×10¹⁰
Doppler velocity (km s^-1)	−32.0	13.4
Total EM (cm^-5) (4.1 < log T< 7.0)	9.7×10³⁰	9.7×10³¹
Electron pressure (P = N_eT_e) (cm^-3 K)	2.8×10¹⁵	1.1×10¹⁶

(using AIA only)
log T (K) for peak DEM	5.7	6.5
Peak DEM (cm^-5 K^-1)	1.6×10²¹	1.1×10²²
Total EM (cm^-5) (5.2 < log T < 7.0)	4.5×10²⁷	3.1×10²⁸

Notes. The time indicates the start times for the first and last slit exposures corresponding to the box regions for which we calculated DEMs in the region of the spire (green box) and the footpoint (yellow box; Fig. 8) of jet 4 (for details see Sect. 3.6.2). T_e = 10^5.15 K for O IV.

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