2004A&A...417L...5L


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.20CET06:56:02

2004A&A...417L...5L - Astronomy and Astrophysics, volume 417, L5-9 (2004/4-1)

VLT/NACO infrared adaptive optics images of small scale structures in OMC1.

LACOMBE F., GENDRON E., ROUAN D., CLENET Y., FIELD D., LEMAIRE J.L., GUSTAFSSON M., LAGRANGE A.-M., MOUILLET D., ROUSSET G., SERVAN B., MARLOT C. and FEAUTRIER P.

Abstract (from CDS):

Near-infrared observations of line emission from excited H2 and in the continuum are reported in the direction of the Orion molecular cloud OMC1, using the European Southern Observatory Very Large Telescope UT4, equipped with the NAOS adaptive optics system on the CONICA infrared array camera. Spatial resolution has been achieved at close to the diffraction limit of the telescope (0.08''-0.12'') and images show a wealth of morphological detail. Structure is not fractal but shows two preferred scale sizes of 2.'' (1100AU) and 1.2'' (540AU), where the larger scale may be associated with star formation.

Abstract Copyright:

Journal keyword(s): ISM: individual objects: OMC1 - ISM: circumstellar matter - ISM: kinematics and dynamics - ISM: molecules - infrared: ISM

CDS comments: Fig.1: Objects a, b, c not identified in SIMBAD.

Simbad objects: 5

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Number of rows : 5

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 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 1920 1
2 NAME OMC-1 MoC 05 35 14 -05 22.4           ~ 996 2
3 [RLK73] IRc 2 IR 05 35 14.51548 -05 22 30.5943           ~ 565 1
4 * tet01 Ori C ** 05 35 16.46375 -05 23 22.8486 4.20 5.15 5.13 4.91 4.73 O7Vp 1262 1
5 NGC 7023 BNe 21 01 36.9 +68 09 48   7.20       ~ 606 0

    Equat.    Gal    SGal    Ecl

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2020.01.20-06:56:02

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