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Table A.1

Diffuse interstellar bands in Tc 1 and HR 6334.

Tc 1 HR 6334
λ c Components FWHM EQW S/N EQW/E BV λc Components FWHM EQW S/N EQW/E BV
(Å) (Å) (Å) (mÅ) (Å/mag) (Å) (Å) (Å) (mÅ) (Å/mag)

4427.51ab ... 19.35 860.0 403 3.74 4429.71 ... 23.42 470.2 391 1.12
5776.22 ... 1.14 7.2 402 0.03 5776.11 ... 1.21 5.3 535 0.01
5780.65b ... 2.02 112.1 420 0.49 5780.59 ... 2.17 119.0 586 0.28
5797.21 ... 0.82 25.7 536 0.11 5797.19 ... 1.15 45.7 590 0.11
5849.74 ... 0.89 2.2 437 0.01 5849.74 ... 0.76 12.7 536 0.03
6196 6196.06c 1.11 10.7 525 0.05 6196 6196.05c 0.96 16.0 692 0.04
6195.88 0.48 6.0 0.03 6195.89 0.40 10.4 0.02
6196.54 0.39 2.6 0.01 6196.56 0.36 4.3 0.01
6203.33 ... 2.03 36.7 560 0.16 6203.17 ... 1.28 29.1 758 0.07
6250.36 ... 1.74 8.7 610 0.04 6250.62 ... 2.45 14.7 727 0.03
6270.08 ... 1.66 15.0 618 0.06 6270 6269.98 1.47 25.8 494 0.06
6284.18 ... 4.41 630 380 1.66 6284.15 ... 4.55 309.8 693 0.74
6376 6376.22c 1.38 2.6 559 0.01 6376 6376.40c 1.36 12.7 612 0.03
6376.05 0.57 1.7 0.01 6375.92 0.41 3.6 0.01
6376.76 0.48 1.6 0.01 6376.65 0.76 6.4 0.01
6379 6379.41c 1.13 8.7 625 0.04 6379 6379.47c 1.26 56.4 812 0.13
6379.14 0.56 4.9 0.02 6379.14 0.46 21.0 0.05
6379.82 0.93 4.7 0.02 6379.78 1.08 35.4 0.08
6597.18 ... 0.48 4.1 529 0.02 6597.14 ... 0.45 5.0 338 0.01
6613.77 ... 1.47 32.5 432 0.14 6613.74 ... 1.40 91.8 464 0.22
6661 6661.09c 1.12 3.5 341 0.01 6661 6660.81c 1.09 22.8 337 0.05
6660.64 0.64 2.5 0.01 6660.61 0.54 14.4 0.03
6661.40 0.24 1.9 0.01 6661.35 0.30 5.4 0.01
6792.22 ... 1.16 12.6 360 0.05 6792.07 ... 1.10 15.2 329 0.04
7828.75 ... 1.49 8.8 382 0.04 7828.45 ... 1.07 6.1 572 0.01
7832.50 ... 1.76 10.3 475 0.04 7832.63 ... 2.11 14.5 636 0.03
8038.14 ... 0.96 5.4 396 0.02 8038.01 ... 0.81 7.0 460 0.02
8621.12 ... 4.52 63.4 348 0.28 8621.15 ... 4.50 51.7 626 0.12

Notes. The 3σ errors in the EQWs scale as ~3 ×FWHM/(S/N), while we estimate that the FHWMs in Tc 1 are precise to the 0.03 Å level (less for M 1-20 and IC 418).

(a)

The parameters of this DIB are estimated by adopting a Lorentzian profile (see, e.g., Snow et al. 2002).

(b)

Circumstellar absorption features (or diffuse circumstellar bands) may be possibly detected at these wavelengths (see Sect. 4).

(c)

Undeblended DIB.

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