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| Query : 2006MNRAS.369.1497S |
2006MNRAS.369.1497S - Mon. Not. R. Astron. Soc., 369, 1497-1501 (2006/July-1)
Strong magnetic field in W75N OH maser flare.
SLYSH V.I. and MIGENES V.
Abstract (from CDS):
A flare of OH maser emission was discovered in W75N in 2000. Its location was determined with the Very Long Baseline Array (VLBA) to be within 110 au from one of the ultracompact Hii regions, Very Large Array 2 (VLA2). The flare consisted of several maser spots. Four of the spots were found to form Zeeman pairs, all of them with a magnetic field strength of about 40mG. This is the highest ever magnetic field strength found in OH masers, an order of magnitude higher than in typical OH masers. Three possible sources for the enhanced magnetic field are discussed: (i) the magnetic field of the exciting star dragged out by the stellar wind; (ii) the general interstellar field in the gas compressed by the magnetohydrodynamic shock; and (iii) the magnetic field of planets which orbit the exciting star and produce maser emission in gaseous envelopes.
Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS
Journal keyword(s): magnetic fields - masers - polarization - stars: formation - ISM: individual: W75N
CDS comments: Table 1: Zeeman pairs in W75N(OH) not in SIMBAD.
Simbad objects: 6
| Number of rows : 6 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 17432 | 0 | ||||
| 2 | * tet01 Ori C | SB* | 05 35 16.4662967280 | -05 23 22.921811880 | 4.20 | 5.15 | 5.13 | 4.91 | 4.73 | O7Vp | 1404 | 1 |
| 3 | NAME Cyg X FIR 33 | Y*O | 20 38 35.9 | +42 37 22 | B1.5 | 399 | 1 | |||||
| 4 | [HRB81] W75N(Ba) | HII | 20 38 36.445 | +42 37 34.82 | ~ | 51 | 0 | |||||
| 5 | [TGR97] VLA 2 | HII | 20 38 36.482 | +42 37 34.08 | ~ | 60 | 0 | |||||
| 6 | NAME W75(N)-OH | OH* | 20 38 36.6 | +42 37 34 | ~ | 17 | 0 |
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