First observation of H redshifted emission in RR Lyr - Evidence of a supersonic infalling motion of the atmosphere

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Table 1

Characteristics of the RR Lyr spectra.

Night	JD	Tel.	Obs.	Spectro.	Resolving	RE	λ_start−λ_end	T _exp	S/N	N	ϕ _start	ϕ _end	ψ
(yyyy-mm-dd)	(-2 400 000)				power	(pixel)	(Å)	(min)

1997-08-09	50 670	193	OHP	ELODIE	42 000	2.1	3800−6 800	8	70	1	0.311	0.321	0.61
1997-08-30	50 691	193	OHP	ELODIE	42 000	2.1	3800−6800	5	98	4	0.277	0.301	0.14
2013-09-04	56 540	152	OHP	AURELIE	22 700	2.8	6500−6700	10	80	16	0.074	0.289	0.95
2014-09-14	56 915	152	OHP	AURELIE	22 700	2.8	6500−6700	10	90	12	0.332	0.471	0.86
2016-12-03	57 726	35	CHELLES	eShel	11 000	3.2	4300−7100	30	114	2	0.207	0.281	0.54
2017-03-26	57 838	35	CHELLES	eShel	11 000	3.2	4300−7100	30	98	1	0.227	0.264	0.44
2017-03-29	57 842	35	CHELLES	eShel	11 000	3.2	4300−7100	10	52	2	0.231	0.256	0.54
2017-04-02	57 846	35	CHELLES	eShel	11 000	3.2	4300−7100	10	70	4	0.255	0.304	0.64

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