Table 2
GMRT, ATCA (Urquhart et al. 2007a), and 1.4 GHz (Zoonematkermani et al. 1990) results.
Peak coordinates | Peak flux (mJy beam−1) | Integrated flux (mJy) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
RA (J2000) | DEC (J2000) | 610 MHz | 1280 MHz | 1400 MHz | 4.8 GHz | 8.6 GHz | 610 MHz‡ | 1280 MHz‡ | 1400 MHz | 4.8 GHz | 8.6 GHz |
G346.056−0.021 | |||||||||||
17:07:42.50 | −40:31:23.00 | 44.7 | 17.3 | 22 | – | – | 339±34 | 271±27 | 101 | – | – |
40.4 | 268±27 | ||||||||||
(11.37) | (4.02) | (245±24.5) | (178±18) | ||||||||
G346.077−0.056 | |||||||||||
17:07:54.00 | −40:31:35.40 | 67.8 | 35.7 | 36 | 8.3 | 3.2 | 225±22 | 173±17 | 62 | 46.2 | 15.7 |
68.6 | 174±17 | ||||||||||
(23.7) | (8.47) | (197±19) | (159±16) | ||||||||
Notes. Thepeak coordinates (from 1280 MHz
map⋆ ),
peak and integrated flux densities of the two H II
regions are listed. The integrated flux density in
GMRT maps are calculated by integrating above
3σ
level. Valuesfor the convolved 1280 MHz map are listed in the
second line. For the integrated flux densities, the area probed is
kept same as in 610 MHz. Values in parentheses are from the
radio maps, generated by setting the “robustness parameter” to
−5 and no uv
tapering.(⋆) The
peak positions of the GMRT maps are consistent
with the 1400 MHz (VLA) map (within
5.5′′)
and the 4.8 and 8.6 GHz (ATCA) maps (within
2.5′′).
‡
Error in integrated flux has been calculated following
the equation from Sánchez-Monge et al. (2013),
, where
σ is the rms noise
level of the map, θsource
and θbeam
are the size of the source and the beam, respectively, and
σflux-scale
is the error in the flux scale, which takes into account the
uncertainty on the calibration applied to the integrated flux of
the source. For GMRT maps uncertainty in the flux calibration
is 5% (Lal & Rao 2007).
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