2024RNAAS...8...90X

Query : 2024RNAAS...8...90X

2024RNAAS...8...90X - Research Notes of the AAS, 8, 90 (2024/March-0)

Extinction along Sightlines Sampled by the APO Catalog of DIBs.

XING H., SULLIVAN A., SEURET H., MORERA-BOADO C., HARRIOTT T.A., MAJAESS D., MASSA L. and MATTA C.F.

Abstract (from CDS):

Identification of molecular carriers for diffuse interstellar bands (DIBs) may stem in part from the determination of interrelated lines using the Apache Point Observatory Catalog of DIBs. However, Pearson correlations may be impacted by the number of interstellar clouds along the sightlines. The trend of extinction with distance was constrained using Bayestar19 and Gaia DR3, and clouds were identified via step-functions and extended increasing linear progressions may be indicative of traversal through dense spiral arms. Thirteen sightlines are likely observed through more than one cloud. The hypergiants HD168625 and VI Cyg 12 are contaminated by local nebulosity and circumstellar disks. New findings presented here support the reddenings cited within the Apache Point Observatory catalog of DIBs.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Diffuse interstellar bands

Simbad objects: 25

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Number of rows : 25
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 20041 * 03 15 47.9705004096 +57 08 26.243459556 6.61 6.52 5.79     A0Ia 146 1
2 BD+31 640 ** 03 43 00.374352 +31 58 26.65020   12.497 11.442 11.181 9.78 A3V 29 0
3 * omi Per SB* 03 44 19.1337687984 +32 17 17.687367960 3.13 3.91 3.91 3.71 3.71 B1III 628 0
4 HD 281159 Y*O 03 44 34.1873929 +32 09 46.137563 9.19 9.21 8.53 8.85 7.850 B5V 234 0
5 HD 23512 PM* 03 46 34.1921924832 +23 37 26.494987584 8.72 8.44 8.09 7.79 7.49 A2V 158 0
6 V* X Per HXB 03 55 23.0777456088 +31 02 45.039836148 6.090 6.840 6.720     O9.5III 1037 0
7 * ksi Per ** 03 58 57.9024302099 +35 47 27.709515737 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 850 0
8 HD 28482 * 04 30 22.4408664240 +23 35 19.886808156   7.53 7.19     B8III 32 0
9 HD 37061 Or* 05 35 31.3649044920 -05 16 02.582064192 6.44 7.09 6.83     O9.5V 376 0
10 HD 37903 Em* 05 41 38.3891026008 -02 15 32.479650720 7.32 7.94 7.83 7.64 7.52 B3IV 385 0
11 * 9 Gem s*b 06 16 58.7058631680 +23 44 27.284070336 6.31 6.70 6.25 5.78 5.38 B3Iab 253 0
12 * omi Sco V* 16 20 38.1737722092 -24 10 09.495477665 5.99 5.40 4.57 3.69 2.93 A5II 269 0
13 HD 147889 Or* 16 25 24.3163637976 -24 27 56.569805208 8.56 8.73 7.90     B2V 512 1
14 HD 148579 * 16 29 59.1970010928 -25 08 52.061984376 7.56 7.58 7.32     B9V 79 0
15 HD 166734 s*b 18 12 24.6551425392 -10 43 53.060750040 9.36 9.49 8.42 7.33 6.47 O7.5Iabf 193 0
16 HD 168625 s*b 18 21 19.5484021368 -16 22 26.075142156 10.15 9.78 8.37 8.76   B8Ia+ 293 2
17 HD 175156 * 18 54 43.1136473552 -15 36 10.932683925   5.208 5.086     B3II 136 0
18 HD 183143 s*b 19 27 26.5636061496 +18 17 45.193019136 8.25 8.08 6.86 5.74 4.79 B7Ia+ 464 0
19 HD 190603 s*b 20 04 36.1742825304 +32 13 06.953333016 5.73 6.19 5.65 5.13 4.71 B1.5Ia+ 357 0
20 HD 194279 s*b 20 23 18.1647782064 +40 45 32.598481500 8.01 8.04 7.01 5.98 5.17 B2Ia 200 0
21 BD+40 4220 s*b 20 32 22.4238071594 +41 18 18.942475904 11.32 10.61 9.185     O7Iafep 414 0
22 Schulte 12 s*b 20 32 40.9572199728 +41 14 29.279036940 16.1 14.45 11.702     B3-4Ia+ 453 0
23 HD 204827 SB* 21 28 57.7592315784 +58 44 23.238427956 8.63 8.74 7.94 7.25 6.76 O9.5IV 372 0
24 HD 206267 Y*O 21 38 57.6195772032 +57 29 20.554016280 5.09 5.83 5.62   5.56 O6.0V((f))+O9:V 520 0
25 * 6 Cas ** 23 48 50.17052 +62 12 52.2577       6.60   A2.5(I)+O9.8II 199 0

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