2013MNRAS.432.1502S

Query : 2013MNRAS.432.1502S

2013MNRAS.432.1502S - Mon. Not. R. Astron. Soc., 432, 1502-1512 (2013/June-3)

Magnetic fields in cometary globules - IV. LBN 437.

SOAM A., MAHESWAR G., BHATT H.C., LEE C.W. and RAMAPRAKASH A.N.

Abstract (from CDS):

We present results of our R-band polarimetry of a cometary globule, LBN 437 (Gal 96-15, ℓ = 96°, b = -15°), to study the magnetic field geometry of the cloud. We estimated a distance of 360±65 pc to LBN 437 (also one additional cloud, CB 238) using a near-IR photometric method. The foreground contribution to the observed polarization values was subtracted by making polarimetric observations of stars that are located in the direction of the cloud and with known distances from the Hipparcos parallax measurements. The magnetic field geometry of LBN 437 is found to follow the curved shape of the globule head. This could be due to the drag that the magnetic field lines could have experienced because of the ionization radiation from the same exciting source that caused the cometary shape of the cloud. The orientation of the outflow from the Herbig A4e star, LkHα 233 (or V375 Lac), located at the head of LBN 437, is found to be parallel to both the initial (prior to the ionizing source was turned on) ambient magnetic field (inferred from a star HD 214243 located just in front of the cloud) and the Galactic plane.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): polarization - ISM: magnetic fields

Nomenclature: Table 3: [SMB2013] NN (Nos 1-70).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 32

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Number of rows : 32
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 236633 Pu* 01 09 12.3404400384 +60 37 40.963644444 8.96 9.49 9.2     B0 59 0
2 HD 236928 * 02 02 42.0929404728 +60 15 26.433482364   10.00 9.07     A4Ib 108 0
3 HD 236954 * 02 13 37.3335410088 +59 10 14.800218780 9.82 9.95 9.42     B3Ib-II 34 0
4 CG 1 CGb 07 19 21.5 -44 35 03           ~ 40 1
5 NAME GUM Nebula ISM 07 43 -42.1           ~ 454 1
6 NAME IRAS Vela Shell IR 07 44 -42.4           ~ 42 0
7 CG 31 CGb 08 08 57 -35 59.4           ~ 33 0
8 CG 30 CGb 08 09 32.8 -36 05 00           ~ 136 0
9 NAME ESO 210-6A CGb 08 25.8 -51 02           ~ 15 1
10 [DB2002b] G253.60+2.94 MoC 08 28 44.0 -33 45 12           ~ 34 0
11 CG 12 CGb 13 57 42.2 -39 56 21           ~ 51 1
12 M 16 OpC 18 18 45.1 -13 47 31           ~ 1084 1
13 LDN 663 DNe 19 36 55 +07 34.4           ~ 698 0
14 LDN 810 DNe 19 45 23.8630 +27 50 57.840           ~ 62 0
15 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
16 [DB2002b] G93.46-12.63 MoC 22 13 23 +41 01.5           ~ 10 0
17 HD 213421 SB* 22 30 29.8886481672 +40 12 03.905771400   8.37 8.24     Ap 27 0
18 BD+39 4868 * 22 32 02.8653591648 +40 23 40.619482908   9.73 9.63     A2 12 0
19 LBN 096.26-14.97 RNe 22 32.2 +40 35           ~ 17 0
20 HD 213659 * 22 32 21.3990530280 +40 36 53.905273272   8.16 8.01     A2V 23 0
21 HD 213835 * 22 33 34.6161635304 +40 49 08.482684224   7.77 6.53     K0 15 0
22 HD 213976 * 22 34 30.1849059912 +40 46 29.635106412 6.83 6.883 7.022     B1.5V 67 0
23 LBN 094.98-16.95 HII 22 34 37.9 +40 40 00           ~ 26 0
24 EM* LkHA 233 Ae* 22 34 40.984104 +40 40 04.19520   14.356 13.527 13.673   A7Ve 150 0
25 HD 214022 * 22 34 50.4645429864 +40 43 57.135542484   8.45 8.51     B7V 26 0
26 BD+39 4890 * 22 35 48.0546313968 +40 05 27.405411180   9.48 9.47     A0V 25 0
27 HD 214243 * 22 36 16.6657393272 +40 05 19.555374228 7.620 8.210 8.310     B6IV 36 0
28 HD 214283 * 22 36 22.2306853896 +40 23 03.512786856   9.23 9.02     A2V 16 1
29 HD 214524 * 22 38 08.9860201704 +41 07 15.041388072 6.8 7.410 7.463     B8 25 0
30 * 10 Lac ** 22 39 15.6786372 +39 03 00.971152 3.650 4.670 4.880 4.98 5.19 O9V 790 0
31 NAME I Lac As* 22 41 +38.5           ~ 158 0
32 [K60] 149 DNe ~ ~           ~ 3 0

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