2005A&A...438..663M

Query : 2005A&A...438..663M

2005A&A...438..663M - Astronomy and Astrophysics, volume 438, 663-673 (2005/8-1)

L-band (3.5 µm) IR-excess in massive star formation. I. 30 Doradus.

MAERCKER M. and BURTON M.G.

Abstract (from CDS):

L-band data of 30 Doradus at 3.5µm taken with SPIREX (South Pole Infrared Explorer) is presented. The photometry was combined with 2MASS JHK data at 1.25-2.2µm. Colour-colour and colour-magnitude diagrams are constructed and used to determine the sources with infrared excess. These are interpreted as circumstellar disks, and enable the fraction of sources with disks (the cluster disk fraction or CDF) to be determined. We find that ∼42% of the sources detected at L-band in 30 Doradus have an IR-excess.

Abstract Copyright: ∼

Journal keyword(s): stars: circumstellar matter - stars: formation - stars: evolution - Hertzsprung-Russell (HR) and C-M diagrams - planetary systems: protoplanetary disks - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/A+A/438/663): table6.dat>

Nomenclature: Table 6: [MB2005] NNN (Nos 1-215).

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

Simbad objects: 12

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Number of rows : 12
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 IC 348 OpC 03 44 31.7 +32 09 32           ~ 1393 1
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17438 0
3 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1619 1
4 M 36 OpC 05 36 20.2 +34 08 06   6.09 6.0     ~ 187 2
5 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1190 2
6 NGC 2070 Cl* 05 38 42 -69 06.0     7.25     ~ 378 1
7 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2019 2
8 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1154 1
9 * del Dor * 05 44 46.3699967519 -65 44 07.793159129 4.69 4.57 4.36 4.10 3.93 A7V 128 0
10 NGC 2264 OpC 06 40 52.1 +09 52 37           ~ 1793 0
11 NGC 2362 OpC 07 18 41.0 -24 57 14           ~ 409 0
12 NAME Local Group GrG ~ ~           ~ 8393 0

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