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Home All issues Volume 495 / No 3 (March I 2009) A&A, 495 3 (2009) 869-879 Full HTML
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Table 3:

Overview of the results for WW Cha.
Obs. date Wavelength Fluxa rmsa Beam sizeb
  (mm) (mJy) (mJy/beam) (arcsec)
ATCA 7 mm band
5 Oct 2007 7.0 $5.41\pm0.32$ 0.313 $11 \times 11$
5 Oct 2007 7.3 $3.93\pm0.29$ 0.350 $11 \times 11$
31 Mar 2008 7.0 $5.10\pm0.19$ 0.231 $5.8 \times 5.3$
31 Mar 2008 7.3 $5.19\pm0.17$ 0.194 $6.1 \times 5.6$
ATCA 12 mm band
8 May 2006 16.1 $1.16\pm0.31$ 0.329 $23 \times 6$
8 May 2006 16.2 $1.04\pm0.30$ 0.158 $23 \times 6$
13 Oct. 2006 16.1 <0.921 0.307 $25 \times 9$
13 Oct. 2006 16.2 $1.08\pm0.21$ 0.217 $26 \times 9$
18 Oct. 2006 16.1 $0.81\pm0.20$ 0.222 $38 \times 7$
18 Oct. 2006 16.2 $1.23\pm0.19$ 0.110 $39 \times 7$
24 Oct. 2007 15.4 $1.01\pm0.16$ 0.209 $12 \times 8$
24 Oct. 2007 16.2 $0.95\pm0.13$ 0.181 $13 \times 9$
2 Nov. 2007 15.4 $0.55\pm0.20^{c}$ 0.125 $1.9 \times 1.3$
2 Nov. 2007 16.2 $0.48\pm0.13^{c}$ 0.089 $2.0 \times 1.4$
31 Mar. 2008 15.4 $0.88\pm0.12$ 0.232 $14 \times 13$
31 Mar. 2008 16.2 $1.07\pm0.10$ 0.227 $15 \times 13$
ATCA 3 cm band
18 Oct. 2006 34.7 <0.222 0.074 $71 \times 20$
9 June 2007 34.7 $0.63\pm0.06$ 0.076 $53 \times 16$
ATCA 6 cm band
18 Oct. 2006 62.5 <0.202 0.067 $125 \times 32$
9 June 2007 62.5 <0.399 0.133 $91 \times 26$
a Continuum fluxes are from point-source fits in the (u, v) plane. If the source was not detected at 3$\sigma $, a 3$\sigma $ upper limit is quoted. rms calculated from the cleaned image; b restored beam, using natural weighting. Note that the exact beam size depends on frequency and location of the source in the sky, as well as on the time of the observations, over which time range the data were taken, and exactly which data/baselines were included; c the 16 mm values from the 2 November 2007 data were obtained with antenna 6 included, causing the significantly lower point-source flux. Note that a Gaussian fit recovers the full flux, indicating that the source is probably extended.

Source LaTeX | All tables | In the text

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