Table 2
DIB correlation with color excess with ordinary least square (OLS) fitting and orthogonal distance regression (ODR) fitting, where E(B − V) = a + b ∗ EW.
| λc(Å) | LOS | Corr. coeff. | Corr. coeff.* | OLS | ODR | ||||
|
|
|||||||||
| (OLS) | (OLS) | a (mag) | b (mag/mÅ) | a* (mag) | b* (mag/mÅ) | a (mag) | b (mag/mÅ) | ||
|
|
|||||||||
| 4726.83 | 28 | 0.92 | 0.92 | 0.0479 ± 0.0188 | 0.0126 ± 0.0011 | 0.0446 ± 0.0188 | 0.0127 ± 0.0011 | 0.0130 ± 0.0193 | 0.0196 ± 0.0022 |
| 4762.61 | 63 | 0.87 | 0.88 | −0.0937 ± 0.0175 | 0.0248 ± 0.0018 | −0.0945 ± 0.0175 | 0.0247 ± 0.0017 | −0.1497 ± 0.0420 | 0.0326 ± 0.0057 |
| 4963.88 | 23 | 0.93 | 0.92 | 0.0638 ± 0.0213 | 0.0249 ± 0.0022 | 0.0637 ± 0.0213 | 0.0249 ± 0.0023 | 0.0302 ± 0.0189 | 0.0331 ± 0.0042 |
| 5780.38 | 76 | 0.94 | 0.94 | 0.0024 ± 0.0071 | 0.0025 ± 0.0001 | 0.0006 ± 0.0071 | 0.0025 ± 0.0001 | 0.0086 ± 0.0054 | 0.0023 ± 0.0001 |
| 5797.06 | 32 | 0.94 | 0.94 | 0.0306 ± 0.0151 | 0.0055 ± 0.0004 | 0.0291 ± 0.0151 | 0.0055 ± 0.0004 | 0.0203 ± 0.0172 | 0.0063 ± 0.0005 |
| 5849.81 | 97 | 0.92 | 0.92 | −0.0072 ± 0.0065 | 0.0117 ± 0.0005 | −0.0073 ± 0.0065 | 0.0116 ± 0.0005 | −0.0163 ± 0.0056 | 0.0127 ± 0.0005 |
| 6089.85 | 19 | 0.92 | 0.93 | −0.0429 ± 0.0373 | 0.0705 ± 0.0075 | −0.0566 ± 0.0373 | 0.0722 ± 0.0073 | −0.1162 ± 0.0752 | 0.0875 ± 0.0198 |
| 6195.98 | 76 | 0.94 | 0.95 | −0.0269 ± 0.0076 | 0.0205 ± 0.0008 | −0.0277 ± 0.0076 | 0.0204 ± 0.0008 | −0.0349 ± 0.0086 | 0.0217 ± 0.0012 |
| 6204 | 31 | 0.94 | 0.94 | −0.0457 ± 0.0198 | 0.0119 ± 0.0008 | −0.0475 ± 0.0198 | 0.0119 ± 0.0008 | −0.1290 ± 0.0767 | 0.0174 ± 0.0044 |
| 6204ci | 31 | 0.93 | 0.92 | −0.0269 ± 0.0209 | 0.0084 ± 0.0006 | −0.0267 ± 0.0213 | 0.0084 ± 0.0007 | −0.0801 ± 0.0436 | 0.0114 ± 0.0019 |
| 6269.85 | 44 | 0.89 | 0.89 | 0.0377 ± 0.0141 | 0.0116 ± 0.0009 | 0.0377 ± 0.0141 | 0.0116 ± 0.0009 | 0.0204 ± 0.0104 | 0.0151 ± 0.0009 |
| 6283.84** | 44 | 0.83 | 0.84 | −0.014 ± 0.020 | 0.00081 ± 0.00008 | −0.010 ± 0.016 | 0.00076 ± 0.00007 | −0.036 ± 0.019 | 0.00089 ± 0.00009 |
| 6379.32 | 41 | 0.93 | 0.93 | 0.0401 ± 0.0126 | 0.0094 ± 0.0006 | 0.0383 ± 0.0126 | 0.0094 ± 0.0006 | 0.0359 ± 0.0080 | 0.0101 ± 0.0004 |
| 6445.28 | 60 | 0.91 | 0.91 | −0.0783 ± 0.0130 | 0.0363 ± 0.0022 | −0.0783 ± 0.0130 | 0.0363 ± 0.0022 | −0.0956 ± 0.0185 | 0.0418 ± 0.0036 |
| 6613.62 | 69 | 0.94 | 0.95 | 0.0059 ± 0.0075 | 0.0051 ± 0.0002 | 0.0051 ± 0.0075 | 0.0051 ± 0.0002 | 0.0008 ± 0.0063 | 0.0051 ± 0.0002 |
| 6660.71 | 24 | 0.95 | 0.95 | −0.0640 ± 0.0211 | 0.0359 ± 0.0026 | −0.0640 ± 0.0211 | 0.0359 ± 0.0026 | −0.0953 ± 0.0458 | 0.0428 ± 0.0088 |
| 6699.32 | 44 | 0.89 | 0.89 | −0.0718 ± 0.0203 | 0.0380 ± 0.0030 | −0.0737 ± 0.0203 | 0.0380 ± 0.0030 | −0.1284 ± 0.0333 | 0.0527 ± 0.0065 |
Notes.From the first to the last column, respectively: center wavelength of DIB, number of stars or line-of-sights (LOS) data used in the correlation determination, correlation coefficient (p-value) determined by including all LOS data, correlation coefficient (p-value) determined by removing peculiar stars, fitting parameter a and b from OLS method and from ODR method.
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