Measuring the diffuse interstellar bands at 5780, 5797, and 6614 Å in low-resolution spectra of cool stars from LAMOST

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Table 4

Correlation between DIB and E(B − V).

	Common sources ⁽¹⁾			All HQ sources ⁽²⁾
DIB	Number	m	n	Number	m	n
λ5780		0.606	0.088	118 157	0.565	0.087
λ5797	6514	0.200	0.054	9760	0.176	0.069
λ6614		0.274	0.044	73 234	0.256	0.042

Notes. Coefficients for EW [Å] = m × E(B − V)[mag] + n. ⁽¹⁾Common sources at d > 0.5 kpc.⁽²⁾ HQ sources at d > 0.5 kpc.

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