Table 4: SALT2 estimates and $EW_{w}\{{\rm Si}~{\rm II}\}$ for high-z sample.
SN name $z_{{\rm CMB}}$ mB x1 c $EW_{w}\{{\rm Si}~{\rm II}\}$ Reference
03D1ax 0.496 $22.9691\pm0.0160$ $-1.0045\pm0.1715$ $-0.0304\pm0.0285$ $9.01\pm3.95$ 1
03D1bk 0.865 $\cdots$ $\cdots$ $\cdots$ $13.50\pm5.36$ 1
03D1co 0.68 $24.1069\pm0.0481$ $ 0.9602\pm0.6335$ $-0.0229\pm0.0539$ $8.21\pm5.94$ 1
03D1ew 0.868 $24.3489\pm0.0576$ $ 0.4624\pm0.4097$ $-0.0762\pm0.1830$ $ 9.94\pm8.66$ 1
03D1fq 0.80 $24.5299\pm0.0343$ $-1.8585\pm0.5215$ $-0.2695\pm0.1905$ $31.30\pm4.38$ 1
03D4cn 0.818 $24.6580\pm0.0401$ $-2.3380\pm0.6214$ $ 0.1416\pm0.1758$ $17.25\pm4.15$ 1
03D4cy 0.9271 $24.6993\pm0.0873$ $ 0.2584\pm0.4974$ $-0.3657\pm0.1862$ $21.11\pm8.40$ 1
03D4cz 0.695 $24.0406\pm0.0413$ $-2.3515\pm0.4144$ $-0.0699\pm0.0605$ $ 6.09\pm4.62$ 1
03D4fd 0.791 $24.2177\pm0.0248$ $-0.1670\pm0.4221$ $-0.0418\pm0.0527$ $23.54\pm6.08$ 1
03D4gl 0.56 $23.1869\pm0.0428$ $-0.8379\pm0.5806$ $-0.0111\pm0.0426$ $ 5.58\pm6.56$ 1
04D1de 0.7677 $\cdots$ $\cdots$ $\cdots$ $ 5.73\pm5.24$ 1
04D1hd 0.3685 $\cdots$ $\cdots$ $\cdots$ $15.86\pm3.87$ 1
04D3dd 1.01 $25.0592\pm0.1625$ $ 1.1167\pm0.6553$ $-0.1155\pm0.2196$ $44.42\pm8.38$ 1
04D3fq 0.73 $24.1009\pm0.0262$ $-0.7710\pm0.4011$ $-0.0168\pm0.0480$ $14.31\pm7.25$ 1
04D3gx 0.91 $24.6957\pm0.0732$ $-0.1806\pm0.5141$ $-0.1816\pm0.1746$ $29.07\pm10.80$ 1
04D3kr 0.3373 $21.9321\pm0.0207$ $ 1.0967\pm0.1851$ $ 0.0131\pm0.0167$ $10.69\pm4.27$ 1
04D3lp 0.983 $24.8964\pm0.1414$ $-1.4766\pm0.5405$ $ 0.1080\pm0.2277$ $20.86\pm6.11$ 1
04D3mk 0.813 $\cdots$ $\cdots$ $\cdots$ $ 4.70\pm4.37$ 1
04D3ml 0.95 $24.5060\pm0.0725$ $ 1.4300\pm0.7394$ $ 0.0824\pm0.1447$ $10.99\pm8.40$ 1
04D3nh 0.3402 $22.0925\pm0.0161$ $ 0.5018\pm0.1758$ $ 0.0350\pm0.0148$ $20.07\pm4.24$ 1
04D3ny 0.81 $24.3118\pm0.0418$ $ 2.4869\pm1.2655$ $-0.1175\pm0.1758$ $ 8.91\pm6.51$ 1
04D4dm 0.811 $24.3974\pm0.0404$ $ 0.8626\pm1.1636$ $-0.1282\pm0.1661$ $11.50\pm7.09$ 1
04D4hu 0.7027 $\cdots$ $\cdots$ $\cdots$ $14.21\pm3.89$ 1
04D4ic 0.68 $\cdots$ $\cdots$ $\cdots$ $15.33\pm4.63$ 1
04D4ii 0.866 $\cdots$ $\cdots$ $\cdots$ $14.24\pm4.74$ 1
04D4jy 0.93 $\cdots$ $\cdots$ $\cdots$ $22.66\pm11.59$ 1
b010 0.591 $23.4054\pm0.0790$ $ 1.9986\pm0.9094$ $-0.1171\pm0.0948$ $ 6.16\pm3.17$ 2
b013 0.426 $22.6230\pm0.0427$ $-0.5961\pm0.4047$ $ 0.0244\pm0.0524$ $32.85\pm2.88$ 2
b016 0.329 $22.5340\pm0.1385$ $ 0.2256\pm0.7683$ $ 0.2086\pm0.1276$ $ 7.50\pm3.21$ 2
b020 0.425 $22.4605\pm 0.2181$ $-1.4169\pm 1.8301$ $0.0434\pm0.1987$ $13.51\pm2.72$ 2
d033 0.531 $23.0873\pm0.0802$ $3.8152\pm 1.1886$ $-0.2914\pm 0.0986$ $18.13\pm3.92$ 2
d058 0.583 $23.5307\pm0.0418$ $ 0.1674\pm0.6575$ $ 0.1711\pm0.0754$ $36.00\pm3.91$ 2
d083 0.333 $21.0031\pm0.0333$ $ 1.2251\pm 0.2224$ $-0.0512\pm 0.0349$ $9.39\pm2.64$ 2
d085 0.401 $22.4501\pm0.0480$ $ 0.6541\pm0.3903$ $ 0.0428\pm0.0590$ $13.87\pm2.99$ 2
d093 0.363 $21.8967\pm0.0480$ $ 1.0120\pm0.2783$ $-0.0994\pm0.0482$ $ 7.89\pm7.35$ 2
d117 0.309 $22.3667\pm0.0997$ $-1.8445\pm0.3583$ $ 0.0968\pm0.0916$ $21.98\pm2.76$ 2
d149 0.342 $22.0957\pm0.0455$ $ 0.3705\pm0.3584$ $ 0.0109\pm0.0436$ $ 9.52\pm3.10$ 2
e020 0.159 $21.0616\pm0.1498$ $ 0.0291\pm 0.3768$ $ 0.3722\pm 0.1266$ $13.18\pm2.35$ 2
e029 0.332 $22.4054\pm0.0803$ $-2.3762\pm1.0506$ $ 0.0532\pm0.0810$ $15.36\pm2.60$ 2
e108 0.469 $22.5728\pm0.0815$ $ 2.0057\pm1.5990$ $-0.1079\pm0.0887$ $14.85\pm3.32$ 2
e132 0.239 $21.7710\pm0.0645$ $-0.3371\pm0.2480$ $ 0.3003\pm0.0605$ $21.33\pm2.47$ 2
e138 0.612 $23.7475\pm0.0501$ $-3.8738\pm0.7231$ $ 0.2588\pm0.0996$ $18.40\pm3.21$ 2
e147 0.645 $23.3283\pm0.0463$ $-0.3841\pm0.4340$ $-0.1072\pm0.0570$ $18.86\pm2.90$ 2
e148 0.429 $22.6329\pm0.0335$ $-1.1050\pm0.3499$ $-0.0489\pm0.0448$ $15.42\pm2.66$ 2
f011 0.539 $23.2794\pm0.0363$ $-1.4498\pm0.4991$ $ 0.0598\pm0.0620$ $23.81\pm2.91$ 2
f041 0.561 $23.1138\pm0.0479$ $ 2.4526\pm1.2001$ $-0.0763\pm0.0650$ $15.07\pm3.00$ 2
f076 0.410 $22.3460\pm0.0641$ $-1.0001\pm0.6384$ $ 0.0600\pm0.0899$ $15.94\pm3.44$ 2
f096 0.412 $22.8398\pm0.2053$ $ 0.1328\pm2.0466$ $ 0.2771\pm0.1320$ $ 8.35\pm2.76$ 2
f216 0.599 $23.7736\pm0.0775$ $-3.2479\pm1.0666$ $-0.0383\pm0.1316$ $12.44\pm3.15$ 2
f231 0.619 $23.4465\pm0.0355$ $ 1.2394\pm0.3607$ $-0.0759\pm0.0623$ $17.03\pm3.30$ 2
f235 0.422 $22.4017\pm0.0552$ $-1.1912\pm0.4730$ $-0.0813\pm0.0652$ $14.07\pm2.46$ 2
f244 0.540 $23.2981\pm0.0524$ $-0.5891\pm0.7566$ $-0.0055\pm0.0801$ $16.24\pm3.27$ 2
1997G 0.763 $24.2807\pm0.2579$ $-0.8583\pm1.3793$ $-0.4161\pm0.2310$ $ 7.08\pm3.37$ 3
1997S 0.612 $23.4756\pm0.0639$ $ 3.6292\pm1.7033$ $ 0.1103\pm0.1169$ $21.70\pm2.72$ 3
1997af 0.579 $23.5343\pm0.0796$ $-1.0871\pm0.4901$ $-0.2081\pm0.1852$ $ 7.78\pm3.04$ 3
1997ai 0.454 $22.8788\pm0.0627$ $-2.6928\pm0.9158$ $-0.0040\pm0.0787$ $21.42\pm2.74$ 3
1997aj 0.581 $23.1959\pm0.0822$ $ 0.7138\pm0.7974$ $ 0.1991\pm0.1123$ $ 6.23\pm2.60$ 3
1997ap 0.831 $24.3496\pm0.0633$ $ 0.3579\pm0.5601$ $-0.0115\pm0.0384$ $17.21\pm3.82$ 3
2000fr 0.543 $23.0376\pm0.0263$ $ 0.7208\pm0.2533$ $-0.0359\pm0.0281$ $ 7.81\pm2.70$ 4
2001gm 0.478 $\cdots$ $\cdots$ $\cdots$ $15.52\pm7.74$ 4
2001go 0.552 $\cdots$ $\cdots$ $\cdots$ $27.15\pm4.34$ 4
2001gw 0.363 $\cdots$ $\cdots$ $\cdots$ $ 9.57\pm3.77$ 4
2001gy 0.511 $\cdots$ $\cdots$ $\cdots$ $ 3.66\pm3.23$ 4
2001ha 0.58 $\cdots$ $\cdots$ $\cdots$ $21.80\pm5.40$ 4
2001hc 0.35 $\cdots$ $\cdots$ $\cdots$ $ 7.28\pm2.93$ 4
2002gl 0.510 $\cdots$ $\cdots$ $\cdots$ $16.25\pm3.30$ 4
2002km 0.606 $\cdots$ $\cdots$ $\cdots$ $15.05\pm4.37$ 4
2002ks 1.181 $\cdots$ $\cdots$ $\cdots$ $20.79\pm6.45$ 4
1999ff 0.455 $23.2026\pm0.0516$ $-1.4400\pm0.6801$ $-0.0109\pm0.0698$ $21.45\pm8.25$ 5
1999fh 0.369 $\cdots$ $\cdots$ $\cdots$ $18.47\pm2.76$ 5
1999fj 0.816 $24.1845\pm0.0621$ $ 0.2386\pm0.5735$ $-0.0833\pm0.1807$ $16.82\pm3.33$ 5
1999fk 1.057 $24.7553\pm0.0609$ $-0.2806\pm0.9992$ $-0.0586\pm0.0707$ $14.60\pm6.08$ 5
1999fm 0.950 $24.2363\pm0.0445$ $ 1.5816\pm0.4610$ $ 0.0279\pm0.0904$ $ 5.81\pm7.05$ 5
1999fn 0.477 $22.7513\pm0.0393$ $ 0.7821\pm0.3983$ $ 0.0230\pm0.0415$ $12.51\pm2.98$ 5
1999fw 0.278 $21.6893\pm0.0671$ $-1.2738\pm0.6348$ $ 0.0975\pm0.0616$ $12.85\pm2.84$ 5
References: (1) Howell et al. (2005); (2) Matheson et al. (2005); (3) Hook et al. (2005);
(4) Lidman et al. (2005); (5) Tonry et al. (2003).

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