2015ApJ...800...64F

Query : 2015ApJ...800...64F

2015ApJ...800...64F - Astrophys. J., 800, 64 (2015/February-2)

Probing the Local Bubble with diffuse interstellar bands. II. The DIB properties in the northern hemisphere.

FARHANG A., KHOSROSHAHI H.G., JAVADI A., VAN LOON J.Th., BAILEY M., MOLAEINEZHAD A., TAVASOLI S., HABIBI F., KOURKCHI E., REZAEI S., SABERI M. and HARDY L.

Abstract (from CDS):

We present a new high signal-to-noise ratio spectroscopic survey of the Northern hemisphere to probe the Local Bubble and its surroundings using the λ5780 Å and λ5797 Å diffuse interstellar bands (DIBs). We observed 432 sightlines to a distance of 200 pc over a duration of three years. In this study, we establish the λ5780 and λ5797 correlations with Na I, Ca II and EB–V, for both inside and outside the Local Bubble. The correlations show that among all neutral and ionized atoms, the correlation between Ca II and λ5780 is stronger than its correlation with λ5797, suggesting that λ5780 is more associated with regions where Ca+ is more abundant. We study the λ5780 correlation with λ5797, which shows a tight correlation within and outside the Local Bubble. In addition, we investigate the DIB properties in UV irradiated and UV shielded regions. We find that, within and beyond the Local Bubble, λ5797 is located in denser parts of clouds, protected from UV irradiation, while λ5780 is located in the low-density regions of clouds.

Abstract Copyright: ∼

Journal keyword(s): ISM: abundances - ISM: bubbles - ISM: clouds - ISM: lines and bands - stars: atmospheres

Simbad objects: 50

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Number of rows : 50
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 * 41 And PM* 01 08 00.8526611352 +43 56 31.525367820       4.9   A3m 80 0
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
4 HD 18055 SB* 02 52 43.5774459096 -41 23 31.358892552   6.84 6.67     A4V 13 0
5 HD 18484 ** 02 58 53.07176 +21 37 03.8426           A3 95 0
6 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
7 HD 20809 * 03 23 13.1970566400 +49 12 47.774817972   5.23 5.30     B5V 150 0
8 * 7 Tau ** 03 34 26.62704 +24 27 51.8294   8.59 8.56 7.32   A3IVs 132 0
9 * 13 Tau Be* 03 42 18.9476782488 +19 42 00.918475956 5.41 5.68 5.69     B7Ve 107 0
10 * 27 Tau SB* 03 49 09.7430578114 +24 03 12.301679809 3.18 3.54 3.63 3.62 3.68 B8III 387 0
11 HD 24076 * 03 50 52.4294239848 +23 57 41.294242296   7.02 6.92   6.81 A2V 94 0
12 HD 24899 SB* 03 58 20.9001693648 +24 04 52.004716176   7.225 7.202     B9V 72 0
13 * lam Per * 04 06 35.0425894267 +50 21 04.541423730 4.27 4.31 4.29 4.21 4.19 A0IVn 116 0
14 * c Per Be* 04 08 39.6935695869 +47 42 45.038007366 3.45 4.00 4.03 3.91 3.93 B3Ve 394 0
15 * mu. Tau * 04 15 32.0568707393 +08 53 32.491567629 3.74 4.205 4.279     B3IV 160 0
16 * r Tau ** 04 23 51.82553 +09 27 39.4939   5.175 5.098     A3V 130 0
17 HD 28780 * 04 36 24.1980155472 +64 15 41.760866448 5.850 5.880 5.910     A1V 50 0
18 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
19 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1276 2
20 * 141 Tau Be* 06 01 41.6294553048 +22 24 03.583304244   6.286 6.355     B8IVe 65 0
21 HD 42088 * 06 09 39.5728368936 +20 29 15.450599580 6.73 7.58 7.57 8.45   O6V((f))z 257 0
22 * 42 Cam * 06 50 57.0890928144 +67 34 18.963203232 4.32 4.961 5.122     B4IV 78 0
23 * 28 Lyn SB* 08 07 09.9491374488 +43 15 37.293362784 6.240 6.320 6.350     A1V 48 0
24 * alf Cnc PM* 08 58 29.2042107048 +11 51 27.649450080   4.388 4.249   4.13 kA7VmF0/2III/IVSr 152 0
25 HD 77770 * 09 06 22.5324044280 +49 36 41.009396472 6.54 7.301 7.485     B2IV 60 0
26 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
27 * tau Boo PM* 13 47 15.7381720026 +17 27 24.809555600 5.02 4.98 4.49 4.09 3.85 F7IV-V 1049 1
28 * gam CrB ** 15 42 44.56551 +26 17 44.2847           A0V 212 0
29 V* BP Boo a2* 15 42 50.7602109000 +52 21 39.243860316   5.430 5.482     A0VpSiCr 140 0
30 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
31 * sig Sco bC* 16 21 11.3157134 -25 35 34.051476 2.32 3.02 2.89 1.69 1.58 B1III+B1:V 898 0
32 NAME Sco-Oph Region reg 16 30.0 -21 00           ~ 76 0
33 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
34 * l Her a2* 16 47 46.4200216512 +05 14 48.291336960 5.20 5.22 5.24     A1VpSi 138 0
35 HD 159332 PM* 17 33 22.8242819328 +19 15 24.040331928   6.130 5.648     F4V 150 0
36 * 68 Oph ** 18 01 45.1974936313 +01 18 18.306278873   4.453 4.429     A0.5Van 153 0
37 HD 164825 * 18 02 10.0325830872 +20 58 21.654196500   8.42 8.25     A0 14 0
38 * 102 Her * 18 08 45.4919267342 +20 48 52.404584093 3.38 4.177 4.347     B2IV 194 0
39 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
40 * f01 Cyg Be* 20 59 49.5541247496 +47 31 15.363746436 3.77 4.71 4.75 4.62 4.63 B1.5Vnne 514 0
41 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
42 HD 204862 * 21 31 09.6293651688 +12 08 14.912561976   6.050 6.093     B9.5V 56 0
43 HD 208108 * 21 53 37.3886477424 +19 40 06.479949432   5.693 5.676     A0Vs 69 0
44 * omi Peg * 22 41 45.4041684504 +29 18 27.631023336 4.77 4.78 4.79 4.75 4.77 A1IV 296 0
45 HD 216057 Be* 22 48 47.8965323832 +54 24 53.612429976 5.54 6.037 6.124     B7V 95 0
46 HD 218200 * 23 05 56.6248326504 +18 05 14.060332608   7.85 7.53     F0 38 0
47 * 67 Peg * 23 24 50.8325128824 +32 23 05.570367648 5.22 5.470 5.548     B9III 71 0
48 HD 222602 V* 23 41 56.6897957112 +07 15 01.974945852   5.985 5.891     A3Vn 42 0
49 NAME Local Chimney reg ~ ~           ~ 28 0
50 NAME Local Bubble ISM ~ ~           ~ 1059 0

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