Population study of Galactic supernova remnants at very high γ-ray energies with H.E.S.S.

H.E.S.S. phase-I observations of the plane of the Milky Way

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Table A.2.

Literature estimates on source ages, distances, and ambient densities.

Source	Distance	Age	Density	References
	(kpc)	(kyr)	(cm⁻³)
Cassiopeia A	3.3–3.7	0.316–0.352	0.6–1.2/ ~10*	DeLaney & Rudnick (2003), Lee et al. (2014), Hwang & Laming (2003)
Tycho’s SNR	1.7–5	0.441	0.3	Slane et al. (2014), Völk et al. (2002)
RX J0852.0−4622	0.5–1	2.4–5.1	0.022/ ~10*	Allen et al. (2015), Moriguchi et al. (2001)
RCW 86	2.3–3.2	1.83	0.3	Broersen et al. (2014)
SN 1006	1.6–2.2	1.01	0.045	Winkler et al. (2014)
RX J1713.7−3946	1	1.6	<0.02/ ~130*	Cassam-Chenaï et al. (2004), Acero et al. (2009), Fukui et al. (2012)
H.E.S.S. J1731−347	2.4–4	2.5	<0.01/ ~40–100*	Abramowski et al. (2011), Fukuda et al. (2014)
Kepler’s SNR	2.9–4.9	0.412	0.4–5	Vink (2008)
G1.9+0.3	8.5	0.15–0.22	0.022–0.04	Reynolds et al. (2008), Carlton et al. (2011), Zoglauer et al. (2015)
G15.9+0.2	8.5	1–3	0.7	Reynolds et al. (2006)
G38.7−1.3	4	14–15	0.025–0.034	Huang et al. (2014)
G53.6−2.2	2.3–6.7	15	0.79–1.36	Long et al. (1991), Broersen & Vink (2015)
G67.7+1.8	7–17	5–13	0.06–0.1	Hui & Becker (2009)
G69.7+1.0	2.5	34–40	0.06	Yoshita et al. (2000)
G272.2−3.2	2.5–5	2–5.2	0.1	Sánchez-Ayaso et al. (2013)
G290.1−0.8	3.5–11	10–20	9.2	Auchettl et al. (2015)
G296.1−0.5	2	2.8	0.22	Castro et al. (2011)
G296.7−0.9	9.1–10.9	5.8–7.6	0.63–0.91	Prinz & Becker (2013)
G296.8−0.3	9	10	0.2	Sánchez-Ayaso et al. (2012)
G299.2−2.9	5	8.7	0.3	Busser et al. (1996)
G306.3−0.9	8	1.3–4.6	1–49.1	Reynolds et al. (2013)
G308.4−1.4	9.1–10.7	5–7.5	0.86–1.06	Hui et al. (2012), Prinz & Becker (2012)
G309.2−0.6	2–6	0.7–4	0.01–0.05	Rakowski et al. (2001)
G311.5−0.3	12.5	25–42	0.17	Pannuti et al. (2014)
G327.4+0.4	4.3–6.5	7–90	0.2–0.4	Chen et al. (2008)
G330.2+1.0	>5	1–3	0.1	Park et al. (2009)
G337.2−0.7	2–9.3	0.75–3.5	0.6	Rakowski et al. (2006)
G350.1−0.3	4.5–9	0.6–1.2	0.3	Lovchinsky et al. (2011)
G351.7+0.8	12.7–13.7	<68	<0.4	Tian et al. (2007)
G355.6−0.0	13	20	0.85	Minami et al. (2013)

Notes. Some of the ambient density values are not direct measurements but are derived from fits to the X-ray spectra. In some cases correlations with high density gas clumps are observed or inferred. The corresponding densities inside the clumps are denoted by an asterisk.

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