2008ApJ...680.1137R

Query : 2008ApJ...680.1137R

2008ApJ...680.1137R - Astrophys. J., 680, 1137-1148 (2008/June-3)

Spectral identification of an ancient supernova using light echoes in the Large Magellanic Cloud.

REST A., MATHESON T., BLONDIN S., BERGMANN M., WELCH D.L., SUNTZEFF N.B., SMITH R.C., OLSEN K., PRIETO J.L., GARG A., CHALLIS P., STUBBS C., HICKEN M., MODJAZ M., WOOD-VASEY W.M., ZENTENO A., DAMKE G., NEWMAN A., HUBER M., COOK K.H., NIKOLAEV S., BECKER A.C., MICELI A., COVARRUBIAS R., MORELLI L., PIGNATA G., CLOCCHIATTI A., MINNITI D. and FOLEY R.J.

Abstract (from CDS):

We report the successful identification of the type of the supernova (SN) responsible for the supernova remnant SNR 0509-675 in the Large Magellanic Cloud (LMC) using Gemini spectra of surrounding light echoes. The ability to classify outbursts associated with centuries-old remnants provides a new window into several aspects of SN research and is likely to be successful in providing new constraints on additional LMC SNe, as well as their historical counterparts in the Milky Way (MW). The combined spectrum of echo light from SNR 0509-675 shows broad emission and absorption lines consistent with a SN spectrum. We create a spectral library consisting of 28 SNe Ia and 6 SNe Ib/c that are time-integrated, dust-scattered by LMC dust, and reddened by the LMC and MW. We fit these SN templates to the observed light echo spectrum using χ2 minimization, as well as correlation techniques, and we find that overluminous 1991T-like SNe Ia with Δm15<0.9 match the observed spectrum best.

Abstract Copyright: ∼

Journal keyword(s): ISM: Individual: Alphanumeric: SNR 0509-67.5 - Galaxies: Magellanic Clouds - Stars: Supernovae: General - ISM: Supernova Remnants

Simbad objects: 48

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Number of rows : 48
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SN 1572A SN* 00 25 21.5 +64 08 27           B8 1254 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 SN 2000dk SN* 01 07 23.52 +32 24 23.2   15.63 15.2     SNIa 109 1
4 SN 1999ej SN* 01 22 57.38 +33 27 58.0   15.65       SNIa 77 1
5 SN 1998dm SN* 01 26 13.97 -06 06 14.0   14.70       SNIa 71 1
6 SN 1998es SN* 01 37 17.60 +05 52 50.6   13.99       SNIapec 128 1
7 SN 2005hg SN* 01 55 41.87 +46 47 47.4     18.6     SNIb 42 1
8 SN 1999gp SN* 02 31 39.15 +39 22 52.3   16.04       SNIa 98 1
9 SN 1999dq SN* 02 33 59.68 +20 58 30.4   14.68       SNIapec 126 1
10 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 409 1
11 LHA 120-N 103B EmO 05 08 47.8 -68 45 39           ~ 244 1
12 SNR J050854-684447 SNR 05 08 59.26 -68 43 33.9           ~ 157 2
13 SNR B0509-67.5 SNR 05 09 31 -67 31.3           ~ 248 0
14 SNR B0519-69.0 SNR 05 19 35.14 -69 02 00.5           ~ 172 0
15 NAME LMC Bar PoG 05 22 08 -69 23.5           ~ 343 0
16 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
17 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
18 SN 1998ec SN* 06 53 06.11 +50 02 22.1   16.16       SNIa 60 1
19 V* V838 Mon CV* 07 04 04.8221494992 -03 50 50.648894412       15.181 14.51 M10+B3V 462 1
20 SN 2000fa SN* 07 15 29.88 +23 25 42.4   15.85       SNIa 90 1
21 SN 1997do SN* 07 26 42.50 +47 05 36.0   14.27       SNIa 74 1
22 SN 1997ef SN* 07 57 02.87 +49 33 41.3     16.5     SNIc-BL 281 1
23 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 274 1
24 SN 1999gd SN* 08 38 24.61 +25 45 33.1   16.94       SNIa 72 1
25 SN 2005mf SN* 09 08 42.33 +44 48 51.4     17.4     SNIc 31 1
26 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 307 1
27 SN 1999gh SN* 09 44 19.75 -21 16 25.0   14.46       SNIa 50 1
28 SN 2005bf SN* 10 23 56.99 -03 11 29.3     18.0     SNIb 225 1
29 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 328 1
30 LAWD 37 WD* 11 45 42.9169346379 -64 50 29.461957832 11.08 11.725 11.513 11.34 11.163 DQ 287 0
31 SN 1998aq SN* 11 56 25.87 +55 07 43.2   12.31 14.9     SNIa 197 1
32 SN 2001V SN* 11 57 24.910 +25 12 09.51   14.62       SNIa 115 1
33 SN 2004aw SN* 11 57 50.24 +25 15 55.1   18.06       SNIc 209 1
34 SN 1999cl SN* 12 31 56.01 +14 25 35.3   14.92       SNIa 125 1
35 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
36 SN 1998ab SN* 12 48 47.24 +41 55 28.3   15.94       SNIapec 76 1
37 SN 1994I SN* 13 29 54.072 +47 11 30.50     12.9     SNIc 645 1
38 SN 2000cf SN* 15 52 56.19 +65 56 12.7   17.15       SNIa 57 1
39 SN 1999cc SN* 16 02 42.03 +37 21 34.4   16.78       SNIa 83 1
40 SN 1999ac SN* 16 07 15.01 +07 58 20.4   14.34       SNIap 144 1
41 NAME Kepler's SN SNR 17 30 40.51 -21 29 14.4           ~ 851 3
42 SN 1998bp SN* 17 54 50.74 +18 19 50.5   15.73       SNIa 77 1
43 V* V732 Sgr No* 17 56 07.5083403672 -27 22 15.934179396           ~ 50 0
44 SN 2000cn SN* 17 57 40.42 +27 49 58.1   16.82       SNIa 83 1
45 SN 1998V SN* 18 22 37.40 +15 42 08.4   15.07       SNIa 72 1
46 SN 1998eg SN* 22 39 30.29 +08 36 20.6   16.11       SNIa 68 1
47 SN 1998dh SN* 23 14 40.31 +04 32 14.1   13.85       SNIa 92 1
48 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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