SIMBAD references

2012AJ....143...43F - Astron. J., 143, 43 (2012/February-0)

Unveiling the new generation of stars in NGC 604 with Gemini-NIRI.


Abstract (from CDS):

We present a near-infrared study focused on the detection and characterization of the youngest stellar component of the NGC 604 giant star-forming region in the Triangulum galaxy (M 33). By means of color-color diagrams derived from the photometry of JHKs images taken with the Gemini Near Infrared Imaging and Spectrometer (NIRI), we have found 68 candidate massive young stellar objects. The spatial distribution of these sources matches the areas where previous studies suggested that star formation might be taking place, and the high spatial resolution of our deep NIRI imaging allows us to pinpoint the star-forming knots. An analysis of the fraction of objects that show infrared excess suggests that the star formation is still active, supporting the presence of a second generation of stars being born, although the evidence for or against sequential star formation does not seem to be conclusive.

Abstract Copyright:

Journal keyword(s): galaxies: starburst - galaxies: star clusters: individual: NGC 604 - H II regions - infrared: stars - stars: formation

VizieR on-line data: <Available at CDS (J/AJ/143/43): table2.dat>

Nomenclature: Table 2: [FBB2012] NNNN N=3627 among (Nos 53-4427). Paragr. 3.2: [FBB2012] DDD.ddddd+DD.ddddd N=2. Fig. 10, Table 4: [FBB2012] X N=1.

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

CDS comments: Caption Figure 9 : NGC 2024 IRS 4 & S106 IRS24 do not exist, misprint for NGC 2024 IRS2 & S106 IRS4 (text p.6). WR NNa are DMS NGC 604 NNa ; knots A to F are [CG99b] NGC 604 A in Simbad.

Simbad objects: 50

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