2018A&A...609A.135S


Query : 2018A&A...609A.135S

2018A&A...609A.135S - Astronomy and Astrophysics, volume 609A, 135-135 (2018/1-1)

The Carnegie Supernova Project I. Methods to estimate host-galaxy reddening of stripped-envelope supernovae.

STRITZINGER M.D., TADDIA F., BURNS C.R., PHILLIPS M.M., BERSTEN M., CONTRERAS C., FOLATELLI G., HOLMBO S., HSIAO E.Y., HOEFLICH P., LELOUDAS G., MORRELL N., SOLLERMAN J. and SUNTZEFF N.B.

Abstract (from CDS):

We aim to improve upon contemporary methods to estimate host-galaxy reddening of stripped-envelope (SE) supernovae (SNe). To this end the Carnegie Supernova Project (CSP-I) SE SN photometry data release, consisting of nearly three dozen objects, is used to identify a minimally reddened sub-sample for each traditionally defined spectroscopic sub-type (i.e., SNe IIb, SNe Ib, SNe Ic). Inspection of the optical and near-infrared (NIR) colors and color evolution of the minimally reddened sub-samples reveals a high degree of homogeneity, particularly between 0 d to +20 d relative to B-band maximum. This motivated the construction of intrinsic color-curve templates, which when compared to the colors of reddened SE SNe, yields an entire suite of optical and NIR color excess measurements. Comparison of optical/optical vs. optical/NIR color excess measurements indicates the majority of the CSP-I SE SNe suffer relatively low amounts of reddening (i.e., E(B-V)_host<0.20mag) and we find evidence for different RVhost values among different SE SN. Fitting the color excess measurements of the seven most reddened (i.e., E(B-V)_host>0.20mag) objects with the Fitzpatrick (1999, PASP, 111, 63) reddening law model provides robust estimates of the host visual-extinction AVhost and RVhost. In the case of the SE SNe with relatively low amounts of reddening, a preferred value of RVhost is adopted for each sub-type, resulting in estimates of AVhost through Fitzpatrick (1999PASP..111...63F) reddening law model fits to the observed color excess measurements. Our analysis suggests SE SNe reside in galaxies characterized by a range of dust properties. We also find evidence that SNe Ic are more likely to occur in regions characterized by larger RVhost values compared to SNe IIb/Ib and they also tend to suffer more extinction. The later finding is consistent with work in the literature suggesting SNe Ic tend to occur in regions of on-going star formation.

Abstract Copyright: © ESO, 2018

Journal keyword(s): supernovae: general

Simbad objects: 40

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Number of rows : 40
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 SN 2007kj SN* 00 01 19.58 +13 06 30.6     17.4     SNIb 21 1
2 SN 2004fe SN* 00 30 11.27 +02 05 23.5     18.1     SNIc 40 1
3 SN 2004ex SN* 00 38 10.19 +02 43 17.2     17.7     SNIIb 24 1
4 SN 2006ep SN* 00 41 24.88 +25 29 46.7     17.8     SNIb 32 1
5 SN 2008hh SN* 01 26 03.65 +11 26 26.5           SNIc 16 1
6 SN 2005Q SN* 01 30 03.51 -42 40 48.4     17.2     SNII 12 1
7 SN 2004ew SN* 02 05 06.17 -55 06 31.6     17.3     SNIb 11 1
8 SN 2008gc SN* 02 10 36.63 -53 45 59.5           SNIb/c 9 1
9 SN 2004gv SN* 02 13 37.42 -00 43 05.8     17.6     SNIb 28 1
10 SN 2006fo SN* 02 32 38.89 +00 37 03.0           SNIb 39 1
11 SN 2007Y SN* 03 02 35.92 -22 53 50.1     17.5     SNIb 94 1
12 SN 2005em SN* 03 13 47.74 -00 14 37.0     18.1     SNIIb: 22 2
13 SN 2007rz SN* 04 31 10.84 +07 37 51.5     16.9     SNIc 19 1
14 SN 2009K SN* 04 36 36.77 -00 08 35.6           ~ 16 1
15 SN 2004ff SN* 04 58 46.19 -21 34 12.0     18.0     SNIIb 18 1
16 SN 2004gq SN* 05 12 04.81 -15 40 54.2     15.5     SNIb 78 1
17 SN 2006ba SN* 09 43 13.40 -09 36 53.0     18.4     SNIIb 13 1
18 SN 2006T SN* 09 54 30.21 -25 42 29.3     17.2     SNIIb 46 1
19 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1302 1
20 SN 2007ag SN* 10 01 35.99 +21 36 42.0     18.0     SNIb 17 1
21 SN 2009bb SN* 10 31 33.92 -39 57 28.2           SNIc 147 1
22 SN 2004aw SN* 11 57 50.24 +25 15 55.1   18.06       SNIc 175 1
23 SN 2004gt SN* 12 01 50.37 -18 52 12.7   19.42 14.9     SNIc 64 1
24 SN 2013df SN* 12 26 29.33 +31 13 38.3           SNIIb 75 1
25 SN 2008ax SN* 12 30 40.80 +41 38 16.1   23.6 23.5 14.1 22.6 SNIIb 222 1
26 SN 2008aq SN* 12 50 30.36 -10 52 01.3     16.3     SNIIb 32 1
27 SN 2006bf SN* 12 58 50.68 +09 39 30.1     17.7     SNIIb 12 1
28 SN 2007C SN* 13 08 49.30 -06 47 01.0 18.1 17.1 15.9     SNIb 41 1
29 SN 2011dh SN* 13 30 05.10555 +47 10 10.9227           SNIIb 312 1
30 SN 2009Z SN* 14 01 53.61 -01 20 30.2           ~ 12 1
31 iPTF 13bvn SN* 15 00 00.152 +01 52 53.17           SNIb 123 0
32 SN 2010as SN* 15 49 49.23 -29 23 09.7           SNIb/c 25 1
33 SN 2005bj SN* 16 49 44.74 +17 51 48.7     17.7     SNIc: 16 1
34 SN 2005aw SN* 19 15 17.44 -54 08 24.9     15.3     SNIc 11 1
35 SN 2009dp SN* 20 26 52.69 -18 37 04.2           SNIc 7 1
36 SN 2007hn SN* 21 02 46.85 -04 05 25.2       18.6   SNIb/c 13 1
37 SN 2009ca SN* 21 26 22.20 -40 51 48.6           ~ 9 1
38 SN 2009dt SN* 22 10 09.18 -36 05 44.2           SNIc 8 1
39 SN 2006lc SN* 22 44 24.48 -00 09 53.5 18.3 18.3 17.2     SNIb 36 1
40 SN 2006ir SN* 23 04 35.68 +07 36 21.5         16.9 SNIb/c 16 1

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2021.10.27-06:59:15

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