Two-horn quiescent prominence observed in Hα and Mg II h&k lines with THEMIS and IRIS

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Volume 680 (December 2023)

A&A, 680 (2023) A63

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Table 4.

Characteristics of Mg II k and h line profiles of IRIS raster 5 (slit 42 at 12:48:07 UT) and simultaneous Hα line profiles obtained with the THEMIS.

			IRIS (Mg II)				MSDP (Hα)
Number	Y	E(Mg II k) ^(a)	E(Mg II h) ^(b)	R(k/h) ^(c)	Velocity	FWHM	E(Hα) ^(d)	Velocity	FWHM
	[px]				[km s⁻¹]	Å		[km s⁻¹]	Å
A1	249	0.71	0.51	1.40	−13.86	0.21	−	−	−
A2	250	1.01	0.73	1.40	−13.04	0.23	−	−	−
A3	251	1.18	0.82	1.44	−13.39	0.27	−	−	−
A4	252	1.07	0.76	1.41	−13.39	0.28	−	−	−
A5	253	0.72	0.53	1.36	−16.41	0.29	−	−	−
A6	283	1.40	0.92	1.53	15.14	0.39	−	−	−
A7	284	1.46	1.01	1.46	19.47	0.31	−	−	−
A8	285	1.66	1.13	1.47	20.41	0.30	−	−	−
A9	286	1.95	1.29	1.51	21.28	0.36	−	−	−
A10	287	2.23	1.47	1.52	23.39	0.40	−	−	−
A11	308	1.75	1.10	1.59	28.03	0.14	−	−	−
A12	309	1.61	1.03	1.56	27.95	0.15	−	−	−

B1	326	2.06	1.52	1.35	−4.87	0.31	2.91	3.31	0.62
B2	327	2.05	1.52	1.35	−4.78	0.32	2.41	3.56	0.62
B3	328	2.17	1.54	1.42	−4.73	0.33	2.08	3.34	0.64
B4	329	2.22	1.54	1.44	−3.82	0.31	2.03	2.89	0.65
B5	330	2.29	1.62	1.42	−2.18	0.31	1.60	0.82	0.59
B6	331	2.41	1.73	1.39	−2.45	0.32	1.49	0.60	0.53
B7	332	2.50	1.80	1.39	−2.35	0.33	1.46	0.50	0.52
B8	333	2.61	1.91	1.37	−2.12	0.34	1.29	1.82	0.51
B9	342	3.12	2.21	1.41	−3.08	0.35	1.37	0.27	0.57
B10	343	2.88	2.07	1.39	−0.37	0.32	1.33	−0.16	0.56
B11	346	3.21	2.15	1.49	−4.45	0.36	1.37	−2.18	0.55
B12	347	3.04	2.11	1.44	−2.63	0.33	1.30	−2.27	0.55
B13	348	2.90	2.02	1.44	−1.16	0.30	1.03	−2.12	0.53
B14	356	3.11	2.12	1.47	−0.27	0.35	0.77	−1.71	0.52
B15	396	2.96	1.95	1.52	16.03	0.31	0.66	−2.16	0.51
B16	397	2.90	1.86	1.56	16.19	0.33	0.45	−6.34	0.51

Notes. The selected points can be visualised in Fig. 10.

^(a)

Integrated intensity of Mg II k line between 2795.49 Å and 2797.53 Å in erg sr⁻¹ s⁻¹ cm⁻² × 10⁴.

^(b)

Integrated intensity of Mg II h line between 2802.57 Å and 2804.61 Å in erg sr⁻¹ s⁻¹ cm⁻² × 10⁴.

^(c)

Ratio between E(Mg II k) and E(Mg II h).

^(d)

Integrated intensity of Hα line in 10⁴ erg sr⁻¹ s⁻¹ cm⁻².

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