2016AJ....151..156J


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.16CEST09:20:01

2016AJ....151..156J - Astron. J., 151, 156-156 (2016/June-0)

SOFIA mid-infrared imaging and CSO submillimeter polarimetry observations of G034.43+00.24 MM1.

JONES T.J., GORDON M., SHENOY D., GEHRZ R.D., VAILLANCOURT J.E. and KREJNY M.

Abstract (from CDS):

We present 11.1 to 37.1 µm imaging observations of the very dense molecular cloud core MM1 in G034.43+00.24 using FORCAST on SOFIA and submillimeter (submm) polarimetry using SHARP on the Caltech Submillimeter Observatory. We find that at the spatial resolution of SOFIA, the point-spread function (PSF) of MM1 is consistent with being a single source, as expected based on millimeter (mm) and submm observations. The spectral energy distributions (SEDs) of MM1 and MM2 have a warm component at the shorter wavelengths not seen in mm and submm SEDs. Examination of H(1.65 µm) stellar polarimetry from the Galactic Plane Infrared Polarization Survey shows that G034 is embedded in an external magnetic field aligned with the Galactic Plane. The SHARP polarimetry at 450 µm shows a magnetic field geometry in the vicinity of MM1 that does not line up with either the Galactic Plane or the mean field direction inferred from the CARMA interferometric polarization map of the central cloud core, but is perpendicular to the long filament in which G034 is embedded. The CARMA polarimetry does show evidence for grain alignment in the central region of the cloud core, and thus does trace the magnetic field geometry near the embedded Class 0 YSO.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): ISM: magnetic fields - stars: formation - stars: pre-main sequence

Simbad objects: 17

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Number of rows : 17

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 Barnard 216 DNe 04 24.0 +26 37           ~ 44 0
2 Barnard 217 DNe 04 27 46.5 +26 17 52           ~ 88 0
3 LDN 1551 DNe 04 31 30.0 +18 12 30           ~ 780 1
4 NAME OMC-1 MoC 05 35 14 -05 22.4           ~ 1051 2
5 V* V2254 Ori Or* 05 35 14.11296 -05 22 22.7316           B 298 2
6 NAME Trapezium Cluster As* 05 35 16.5 -05 23 14           ~ 1505 1
7 M 42 HII 05 35 17.3 -05 23 28           ~ 3787 0
8 NAME North Polar Spur ISM 12 00 +00.0           ~ 314 1
9 NAME Loop I SR? 15 01 -38.7           ~ 339 2
10 LDN 183 MoC 15 54 12.2 -02 49 42           ~ 702 1
11 NAME the Pipe Nebula DNe 17 30 -25.0           ~ 351 1
12 AGAL G034.411+00.234 Y*O 18 53 18.0 +01 25 24           ~ 52 0
13 [ZYL2017] G34-2 cor 18 53 18.6 +01 24 40           ~ 39 0
14 MSXDC G034.43+0.24 MoC 18 53 18.9 +01 26 39           ~ 68 0
15 [RJS2006] MSXDC G034.43+00.24 MM3 mm 18 53 20.4 +01 28 23           ~ 36 0
16 SNR G035.2-01.8 SNR 19 01.6 +01 14           ~ 147 0
17 * bet Peg LP* 23 03 46.45746 +28 04 58.0336 6.05 4.09 2.42 0.92 -0.40 M2.5II-III 581 0

    Equat.    Gal    SGal    Ecl

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2021.04.16-09:20:01

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