2006MNRAS.369.1880E

Query : 2006MNRAS.369.1880E

2006MNRAS.369.1880E - Mon. Not. R. Astron. Soc., 369, 1880-1900 (2006/July-2)

Anomalous extinction behaviour towards the Type Ia SN 2003cg.

ELIAS-ROSA N., BENETTI S., CAPPELLARO E., TURATTO M., MAZZALI P.A., PATAT F., MEIKLE W.P.S., STEHLE M., PASTORELLO A., PIGNATA G., KOTAK R., HARUTYUNYAN A., ALTAVILLA G., NAVASARDYAN H., QIU Y., SALVO M. and HILLEBRANDT W.

Abstract (from CDS):

We present optical and near-infrared photometry and spectroscopy of the Type Ia SN 2003cg, which exploded in the nearby galaxy NGC 3169. The observations cover a period between -8.5 and +414d post-maximum. SN 2003cg is a normal but highly reddened Type Ia event. Its B magnitude at maximum Bmax= 15.94±0.04 and Δm15(B)obs= 1.12 ± 0.04 [Δm15(B)intrinsic= 1.25±0.05]. Allowing RV to become a free parameter within the Cardelli et al. extinction law, simultaneous matches to a range of colour curves of normal SNe Ia yielded E(B - V) = 1.33±0.11, and RV = 1.80±0.19. While the value obtained for RV is small, such values have been invoked in the past, and may imply a grain size which is small compared with the average value for the local interstellar medium.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): supernovae: general - supernovae: individual: SN 2003cg - dust, extinction

VizieR on-line data: <Available at CDS (J/MNRAS/369/1880): tables 1 to 7>

CDS comments: Fig. 1 and Table 2: Local sequence stars not in simbad.

Simbad objects: 26

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Number of rows : 26
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 2002ic SN* 01 30 02.55 +21 53 06.9     18.5     SNIapec 252 1
2 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 409 1
3 SN 1994aj SN* 09 06 11.25 -10 40 00.1     18.0     SNII 38 1
4 SN 1984E SN* 10 14 11.0 +03 28 12   15.2       SNIIL 71 1
5 NGC 3169 SyG 10 14 15.0379414272 +03 27 57.941639856   13.46 12.41     ~ 381 1
6 SN 2003cg SN* 10 14 15.97 +03 28 02.5   15.94       SNIa 146 1
7 SN 2002bo SN* 10 18 06.51 +21 49 41.7   13.95       SNIa 325 1
8 SN 2001ba SN* 11 38 01.76 -32 19 51.0   16.44       SNIa 74 1
9 SN 1996L SN* 11 38 37.80 -43 25 13.8   18.5       SNIIn 47 1
10 SN 1979C SN* 12 22 58.58 +15 47 52.7   11.6       SNIIL 609 1
11 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 559 1
12 SN 1990N SN* 12 42 56.68 +13 15 23.4   12.69 12.62     SNIa 406 1
13 SN 2001cg SN* 12 55 40.87 +27 15 03.9     17.8     SNIa 16 1
14 SN 2002dj SN* 13 13 00.34 -19 31 08.7     17.0     SNIa 134 1
15 SN 2002cx SN* 13 13 49.72 +06 57 31.9   17.68       SNIapec 240 1
16 SN 1996X SN* 13 18 01.13 -26 50 45.3   12.99 13.00     SNIa 198 1
17 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 422 1
18 SN 2000ca SN* 13 35 22.98 -34 09 37.0   15.90       SNIa 57 2
19 SN 2003du SN* 14 34 35.80 +59 20 03.8   13.46       SNIa 374 1
20 SN 2002er SN* 17 11 29.88 +07 59 44.8   14.25       SNIa 144 1
21 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0V 2787 1
22 SN 2001bt SN* 19 13 46.75 -59 17 22.8   15.51       SNIa 49 1
23 HD 183143 s*b 19 27 26.5636061496 +18 17 45.193019136 8.25 8.08 6.86 5.74 4.79 B7Ia+ 464 0
24 SN 2004eo SN* 20 32 54.19 +09 55 42.7   15.07 17.8     SNIa 225 1
25 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 201 1
26 SN 1996al SN* 23 33 16.1 -54 05 02     14.0     SNII 43 1

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