2012MNRAS.420.1656U

Query : 2012MNRAS.420.1656U

2012MNRAS.420.1656U - Mon. Not. R. Astron. Soc., 420, 1656-1672 (2012/February-3)

The RMS survey: resolving kinematic distance ambiguities towards a sample of compact H II regions using H I absorption.

URQUHART J.S., HOARE M.G., LUMSDEN S.L., OUDMAIJER R.D., MOORE T.J.T., MOTTRAM J.C., COOPER H.D.B., MOTTRAM M. and ROGERS H.C.

Abstract (from CDS):

We present high-resolution H I data obtained using the Australia Telescope Compact Array to resolve the near/far distance ambiguities towards a sample of compact H II regions from the Red MSX Source (RMS) survey. The high-resolution data are complemented with lower resolution archival H I data extracted from the Southern and Very Large Array (VLA) Galactic Plane surveys. We resolve the distance ambiguity for nearly all of the 105 sources where the continuum was strong enough to allow analysis of the H I absorption line structure. This represents another step in the determination of distances to the total RMS sample, which with over 1000 massive young stellar objects and compact H II regions is the largest and most complete sample of its kind. The full sample will allow the distribution of massive star formation in the Galaxy to be examined.

Full versions of [Figs 3] and [4] are only available in electronic form of the journal.


Abstract Copyright: 2011 CSIRO Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): stars: early-type - stars: formation - ISM: clouds - Galaxy: kinematics and dynamics

VizieR on-line data: <Available at CDS (J/MNRAS/420/1656): table1.dat table2.dat table3.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 14

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Number of rows : 14
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 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
2 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
3 NAME Nor Arm PoG 16 00 -50.0           ~ 485 0
4 GAL 332.98+00.79 HII 16 15 00.4 -49 49 11           ~ 12 0
5 GAL 332.80-00.60 HII 16 19 47 -51 04.1           ~ 103 1
6 GAL 339.58-00.12 HII 16 45 56.8 -45 38 55           ~ 11 0
7 GAL 345.56-00.04 HII 17 06 11.4 -40 56 11           ~ 5 1
8 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
9 W 31 SFR 18 10 28.6 -19 55 51           ~ 280 0
10 NAME Sgr Arm PoG 19 00 -30.0           ~ 710 1
11 NAME Outer Arm PoG 21 48 +69.4           ~ 370 0
12 NAME Sct-Cen PoG ~ ~           ~ 286 0
13 NAME Galactic Bar reg ~ ~           ~ 1458 0
14 NAME Local Arm reg ~ ~           ~ 649 0

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