2006MNRAS.371..619N

Query : 2006MNRAS.371..619N

2006MNRAS.371..619N - Mon. Not. R. Astron. Soc., 371, 619-625 (2006/September-2)

OH masers associated with bipolar outflow in ON1.

NAMMAHACHAK S., ASANOK K., HUTAWARAKORN KRAMER B., COHEN R.J., MUANWONG O. and GASIPRONG N.

Abstract (from CDS):

Multi-Element Radio-Linked Interferometer Network polarization measurements of the OH 18-cm masers in ON1 are presented. OH maser emission is detected in all four ground state lines. The bulk of the masers lie in an elongated distribution covering 2 arcsec at position angle 130°, near the southern edge of the ultracompact Hii region. The maser distribution is orthogonal to the bipolar outflow seen in HCO+ at position angle (PA) 44°. An isolated group of 1720-MHz masers is also seen 6 arcsec to the east. The magnetic field deduced from Zeeman splitting of the OH maser lines shows a large-scale order, with field values ranging from -0.4 to -4.6 mG.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): magnetic fields - masers - polarization - stars: formation - ISM: individual: ON1 - ISM: jets and outflows

CDS comments: Maser features in Table 1 are not in SIMBAD.

Simbad objects: 6

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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 - 2026 		#notes
1 [KCW94] 069.540-00.975 HII 20 10 08.95 +31 31 35.4           ~ 168 1
2 IRAS 20081+3122 Y*O 20 10 09.036 +31 31 34.14           ~ 172 0
3 Onsala 1 cor 20 10 09.2036 +31 31 36.090           ~ 194 0
4 NAME Cyg X FIR 33 Y*O 20 38 35.9 +42 37 22           B1.5 423 1
5 NAME Cepheus A SFR 22 56 17.9 +62 01 49           ~ 760 2
6 NGC 7538 OpC 23 13 37 +61 30.0           ~ 920 1

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