2004AJ....128.2364R

Query : 2004AJ....128.2364R

2004AJ....128.2364R - Astron. J., 128, 2364-2373 (2004/November-0)

A rich star-forming region in the direction of RCW 95.

ROMAN-LOPES A. and ABRAHAM Z.

Abstract (from CDS):

Near-IR imaging in the direction of the IRAS 15408-5356 point source, which is associated with the RCW 95 H II region, revealed a young and massive stellar cluster. We detected 136 member candidates up to our completeness limit, embedded in an infrared nebula and concentrated in an area of about 3 pc². About 60% of the candidates detected in all three of the J, H, and K bands present infrared excess at 2.2 µm. The UV photons provided by the most massive stars are enough to explain the observed free-free emission at radio wavelengths and the integrated infrared luminosity produced by the heated dust. The near-IR counterpart of the IRAS point source was identified using a more accurate position from the Midcourse Space Experiment (MSX) catalog; it coincides with the peak of emission in the MSX mid-IR bands. The measured integrated flux density of the infrared nebula at the K band is compatible with the expected free-free emission derived from the radio data, but an excess at the J and H bands was detected and may be due to either nonhomogeneous absorption across the nebula or to the presence of scattered stellar light, more prominent at smaller wavelengths.

Abstract Copyright: ∼

Journal keyword(s): ISM: Dust, Extinction - ISM: H II Regions - Infrared: Stars - Stars: Formation - Stars: Pre-Main-Sequence

VizieR on-line data: <Available at CDS (J/AJ/128/2364): table1.dat>

Nomenclature: Table 1: [RA2004b] IRS NNN (Nos 1-136).

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

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	[DBS2003] 95	HII	15 44 42.8	-54 05 56						~	61	0

Query : 2004AJ....128.2364R

Basic data :

[DBS2003] 95 -- HII Region
Other object types:	`HII (1996A&AS,[BNM96],...)`, `Cl* ([DBS2003])`, `Rad (GRS)`, `IR (IRAS)`
ICRS coord. (ep=J2000) :	`15 44 42.8 -54 05 56 [ ] D 2002ApJ...566..880G`
FK4 coord. (ep=B1950 eq=1950) :	`15 40 53.0 -53 56 31 [ ]`
Gal coord. (ep=J2000) :	`326.6551 +00.5919 [ ]`
VLSR :	`-38.8 -42.6 -35.0 [0.13] (Rad)` `1996A&AS..115...81B`

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`GAL 326.65+00.59`	`GRS G326.60 +00.60`	`[CH87] 326.645+0.589`	`[GSL2002] 36`
`GAL 326.7+00.6`	`IRAS 15408-5356`	`[DBS2003] 95`	`[WBH98] 15408-5356`
`GAL 326.7+00.5`	`[BNM96] 326.655+0.592`	`[GDM2001] G326.7+0.5`	`[WHR97] 15408-5356`

References (61 between 1850 and 2026) (Total 61)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : [DBS2003] 95

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IRAS 15408-5356

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