|
|
Radio Data
Access: AVO Aladin 0.946 VOdemo tab IDHA trees for VLA CDFS and HDFN
HDF(N) MERLIN+VLA data, 92 sources in 10' field (about a dozen in HDF itself), many with CHANDRA counterparts (300 CHANDRA sources in 10' field, 100 ISO sources in slightly smaller ISO field). Faint (tens of microJy) radio sources are thought to be approx 1/3 AGN where ID'd; of the brighter sources ~2/3 are AGN.
At least two of the candidates in Paolo's list "absorbed sources (hardness ratio >= -0.2), with no broad lines or suspicious spectra (comment "B" and "s" in Barger et al.), counterpart in the ACS-I band images, log fx_hard/f_I > -1.4 (to get rid of the galaxies), and estimated Lx from this ratio > 10^44 erg/s." in the HNF(N) have radio counterparts:
| x-ray pos | merlin+vla counterpart |
| 12 36 06.84 62 10 21.4 | J123606+621021 |
| 12 36 16.11 62 15 13.7 | J123616+621513 |
Interestingly in both cases the radio paper Muxlow et al. suggests that they are starburst candidates, this is actually not unusual for the very faint sources to have both radio and x-ray emission but not correlated in luminosity and often slightly offset or with diferent morphology. More details to follow....
For CDFS(S), VLA images at 2 freqs are available.
In CDFS there are VLA radio counterparts to some of the sources selected by Paolo:
which I guess is consistent with obscured/non-obscured!
Also:
- Szokolay Nos 51a, 112a classified as QSO-2 are VLA detections - clear at 1.6 GHz, very faint/non at 5 GHz
- Szokolay Nos classified as AGN-2 which are VLA detections: 268a, 538, 66, 98a, 25, 1a, 65a
|
|
Edit menu
