2002A&A...389..513M


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.13CET11:54:28

2002A&A...389..513M - Astronomy and Astrophysics, volume 389, 513-518 (2002/7-2)

The Eagle's EGGs: Fertile or sterile?

McCAUGHREAN M.J. and ANDERSEN M.

Abstract (from CDS):

We present a deep, high spatial resolution (0.35arcsec FWHM), near-infrared (1-2.5µm) imaging survey of the Eagle Nebula, M16, made with the VLT, centred on the famous elephant trunks. We compare these data with the existing HST optical images to search for evidence of ongoing or recent star formation in the trunks, and in particular in the 73 small evaporating gaseous globules (EGGs) on their surface. We find that two of the three HST trunks have relatively massive YSOs in their tips. Most of the EGGs appear to be empty, but some 15% of them do show evidence for associated young low-mass stars or brown dwarfs: in particular, there is a small cluster of such sources seen at the head of the largest trunk.

Abstract Copyright:

Journal keyword(s): stars: formation - stars: pre-main sequence - stars: low-mass, brown dwarfs - HII regions - infrared: stars

Nomenclature: Fig.1: [MA2002] YSON (Nos YSO1, YSO2).

CDS comments: The 3 columns C1 to C3 = [PAB98] pi1 to pi3.

Simbad objects: 18

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Number of rows : 18

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 M 16 Pillar II IR 18 18 48 -13 49.8           ~ 17 0
2 M 16 OpC 18 18 48 -13 48.4   6.58 6.0     ~ 919 2
3 2MASS J18184864-1349498 TT* 18 18 48.648 -13 49 49.83           ~ 11 0
4 JCMTSF J181850.7-134856 PoC 18 18 50.29 -13 48 55.2           O 9 0
5 EGG M16-E31 Y*O 18 18 52.3 -13 49 38           ~ 8 0
6 HH 216 HH 18 18 55.3 -13 51 47           ~ 16 0
7 EGG M16-E17 PoC ~ ~           ~ 2 0
8 EGG M16-E18 PoC ~ ~           ~ 2 0
9 EGG M16-E19 PoC ~ ~           ~ 2 0
10 EGG M16-E25 PoC ~ ~           ~ 4 0
11 EGG M16-E35 PoC ~ ~           ~ 3 0
12 EGG M16-E57 PoC ~ ~           ~ 2 0
13 EGG M16-E24 PoC ~ ~           ~ 2 0
14 [STN2002] T2 PoC ~ ~           ~ 6 0
15 NAME M 16 Pillar I IR ~ ~           ~ 16 0
16 NAME M 16 Pillar III IR ~ ~           ~ 16 0
17 EGG M16-E14 PoC ~ ~           ~ 2 0
18 EGG M16-E15 PoC ~ ~           ~ 2 0

    Equat.    Gal    SGal    Ecl

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2019.11.13-11:54:28

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