XMM-Newton observations of RR Telescopii: evidence for wind signatures and shocked gas emission

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Table 4

Determinations of temperature and radius of RR Tel.

Year	Temperature	Radius	Luminosity	E(B − V)	Reference
	kK	R _⊙	L _⊙

1978−1984	150−200	0.07	2200−6900	0.09	IUE, Hayes & Nussbaumer (1996)
1978	135	0.17	8800	0.10	IUE, Mürset et al. (1991)
1983	140	0.12	4900	0.10	IUE, Mürset et al. (1991)
1992	140	0.09	2700	0.10	IUE, Mürset & Nussbaumer (1994)
1992^a	142	0.09	3500	0.03	IUE+VOYAGER+ROSAT, Jordan et al. (1994)
1992	135	0.09	2500	0.06	IUE+VOYAGER+ROSAT, Jordan et al. (1994)
1995	140	0.11	3700	0.08	HST+ORFEUS+HUT, Nussbaumer & Dumm (1997)
2009^a	154	0.10	5000	0.06	This work

Notes.Distance is in all cases assumed to be 2.6 kpc, except in the first one, where it is assumed to be 3.6 kpc.

^(a)

Temperature and extinction from fit to model atmosphere. Otherwise they are derived from fits to a blackbody.

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