2009A&A...501L...1M


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.06CEST23:43:17

2009A&A...501L...1M - Astronomy and Astrophysics, volume 501, L1-4 (2009/7-1)

Evidence of triggered star formation in G327.3-0.6. Dust-continuum mapping of an infrared dark cloud with P-ArTeMiS.

MINIER V., ANDRE P., BERGMAN P., MOTTE F., WYROWSKI F., LE PENNEC J., RODRIGUEZ L., BOULADE O., DOUMAYROU E., DUBREUIL D., GALLAIS P., HAMON G., LAGAGE P.-O., LORTHOLARY M., MARTIGNAC J., REVERET V., ROUSSEL H., TALVARD M., WILLMANN G. and OLOFSSON H.

Abstract (from CDS):

Expanding HII regions and propagating shocks are common in the environment of young high-mass star-forming complexes. They can compress a pre-existing molecular cloud and trigger the formation of dense cores. We investigate whether these phenomena can explain the formation of high-mass protostars within an infrared dark cloud located at the position of G327.3-0.6 in the Galactic plane, in between two large infrared bubbles and two HII regions. The region of G327.3-0.6 was imaged at 450µm with the CEA P-ArTeMiS bolometer array on the Atacama Pathfinder EXperiment telescope in Chile. APEX/LABOCA and APEX-2A, and Spitzer/IRAC and MIPS archives data were used in this study. Ten massive cores were detected in the P-ArTeMiS image, embedded within the infrared dark cloud seen in absorption at both 8 and 24µm. Their luminosities and masses indicate that they form high-mass stars. The kinematical study of the region suggests that the infrared bubbles expand toward the infrared dark cloud. Under the influence of expanding bubbles, star formation occurs in the infrared dark areas at the border of HII regions and infrared bubbles.

Abstract Copyright:

Journal keyword(s): star: formation - HII region

Nomenclature: Fig. 2, Table 1: [MAB2009] SMMNN (Nos 1-10). Fig. 2: [MAB2009] IRSN (Nos 1-2).

Simbad objects: 26

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Number of rows : 26

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 [JCC87] IRAS 4A Y*O 03 29 10.49 +31 13 30.8           ~ 596 1
2 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 465 0
3 [JCC87] IRAS 4B Y*O 03 29 12.058 +31 13 02.05           ~ 553 0
4 IRAS 03282+3035 cor 03 31 20.98 +30 45 30.1           ~ 160 0
5 NGC 2264 OpC 06 40 58 +09 53.7     3.9     ~ 1587 1
6 RAFGL 989 Y*O 06 41 10.1592954288 +09 29 33.635497596   17.4 16.8 18.26 17.28 B2 241 0
7 [WZM2000] MMS 3 mm 06 41 12.3 +09 29 12           ~ 28 0
8 NGC 3576 HII 11 11 49.8 -61 18 14           ~ 225 2
9 NAME Coalsack Nebula DNe 12 31 19 -63 44.6           ~ 242 0
10 BBW 29401 HII 15 52.2 -54 37           ~ 2 0
11 [MAB2009] SMM10 cor 15 52 59.1 -54 37 52           ~ 1 0
12 [MAB2009] SMM6 cor 15 53 00.9 -54 37 40           ~ 3 0
13 [MAB2009] SMM5 cor 15 53 01.4 -54 35 20           ~ 1 0
14 [MAB2009] SMM9 cor 15 53 03.3 -54 34 58           ~ 1 0
15 [MAB2009] SMM3 cor 15 53 04.0 -54 35 34           ~ 2 0
16 GAL 327.30-00.60 HII 15 53 05.0 -54 35 24           ~ 122 0
17 [MAB2009] SMM1 cor 15 53 08.6 -54 37 09           ~ 2 0
18 [MAB2009] SMM2 cor 15 53 10.1 -54 37 01           ~ 2 0
19 [MAB2009] SMM4 cor 15 53 11.5 -54 36 46           ~ 2 0
20 [MAB2009] SMM8 cor 15 53 12.1 -54 36 31           ~ 2 0
21 [MAB2009] SMM7 cor 15 53 12.8 -54 36 11           ~ 2 0
22 IRAS 15502-5424 OH* 15 54 10.9 -54 33 27           ~ 10 0
23 RCW 98 HII 15 55.4 -54 39           ~ 15 1
24 MSX6C G327.5761-00.8497 Cld 15 55 50.4 -54 38 58           ~ 13 1
25 NAME VLA 1623-243 Y*O 16 26 26.42 -24 24 30.0           ~ 373 0
26 [SSG2006] MMS002 smm 16 26 26.50 -24 24 30.9           ~ 241 0

    Equat.    Gal    SGal    Ecl

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2020.07.06-23:43:17

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