2008A&A...485..167L


Query : 2008A&A...485..167L

2008A&A...485..167L - Astronomy and Astrophysics, volume 485, 167-175 (2008/7-1)

High-mass star formation in the IRAS 17233-3606 region: a new nearby and bright hot core in the southern sky.

LEURINI S., HIERET C., THORWIRTH S., WYROWSKI F., SCHILKE P., MENTEN K.M., GUESTEN R. and ZAPATA L.

Abstract (from CDS):

We present molecular line observations of the massive star-forming region IRAS 17233-3606 aimed at studying the molecular core associated with the source. The observations were made using the Atacama Pathfinder Experiment telescope in the CO (3-2) and HCO+ (4-3) transitions and in the CH3OH (6K-5K), (7K-6K), and CH3CN (16K-15K) bands. For the CO(3-2) and HCO+ (4-3) transitions, we obtained maps with a size of 70''x70''. The typical angular resolution of the data is ∼18". Our observations reveal an exceptionally rich molecular spectrum, one signpost of hot core activity. Comparisons with two other prominent southern hot cores were made through observations in the same frequency setups. We also detected a bipolar outflow in CO (3-2) and HCO+ (4-3) lines. Modelling reveals a hot core of size ∼3" and a temperature of 150K in the IRAS17233-3606 region. The parameters of the molecular outflow are derived through the analysis of the CO (3-2) emission, and are typical of outflows driven by high-mass young stellar objects.

Abstract Copyright:

Journal keyword(s): ISM: jets and outflows - ISM: molecules - stars: individual: IRAS 17233-3606 - stars: formation

CDS comments: Paragraph 4.4 NGC 6344(I) is a probable misprint for NGC 6334(I).

Simbad objects: 9

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Number of rows : 9
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 Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2299 1
2 RCW 97 HII 15 53 05.0 -54 35 24           ~ 157 0
3 NAME NGC 6334-I Cl* 17 20 53.35 -35 47 01.5           ~ 344 0
4 [ZLM2008] VLA 2b Rad 17 26 42.540 -36 09 17.95           ~ 6 0
5 [ZLM2008] VLA 2a Rad 17 26 42.540 -36 09 17.95           ~ 6 0
6 [ZLM2008] VLA 2c Rad 17 26 42.609 -36 09 17.35           ~ 6 0
7 [ZLM2008] VLA 2d Rad 17 26 42.686 -36 09 17.05           ~ 5 0
8 IRAS 17233-3606 HII 17 26 42.8 -36 09 17           ~ 84 0
9 NAME Sgr B2 (North) Rad 17 47 20.2 -28 22 21           ~ 675 1

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